US20070062898A1 - Prefabricating rack frame - Google Patents
Prefabricating rack frame Download PDFInfo
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- US20070062898A1 US20070062898A1 US10/553,313 US55331304A US2007062898A1 US 20070062898 A1 US20070062898 A1 US 20070062898A1 US 55331304 A US55331304 A US 55331304A US 2007062898 A1 US2007062898 A1 US 2007062898A1
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- United States
- Prior art keywords
- column
- hook
- cross member
- rack frame
- set forth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
- A47B57/30—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports
- A47B57/40—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of hooks coacting with openings
- A47B57/408—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of hooks coacting with openings with a security device
Definitions
- This invention relates to a prefabricating rack frame that can be installed at a store, warehouse, or a library, and on which different types of goods can be placed.
- the invention specially, relates to the prefabricating rack frame that is made of only a column and a cross member without additional components, therefore, shakes can be prevented and structural stability can be attained.
- the shelf has a structure in which several plates are stacked at a predetermined interval, and was prefabricated for facility of portage, assembly and disassembly.
- an angle having plural slots can be cut at a predetermined length, and can be fastened by bolts and nuts through the bracket attached to the angle, thus making a shelf frame.
- a shelf, made of thin steel or wood plate, is placed on the horizontal angle.
- angles can be distorted by load of goods placed on the shelf after long-term usage. That causes plenty of problems such as an ugly appearance and instability.
- This technology has the advantage of easy assembly and disassembly since no additional fastening means is required.
- the conventional art needs to have a gap between the hook and the slot when the hook is inserted into the slot, because it would lead to a difficult assembly if there was no gap.
- the gap causes a shaking of the cross member fitted into the column, and it brings structural instability of the prefabricating rack.
- the rack frame 3 is comprised of plural columns 1 and plural cross members 2 , by which rectangular frame is shaped as shown in FIG. 1 .
- a shelf supporter 4 is provided at the column at a predetermined height, and a glass shelf 5 is placed on the shelf supporter 4 , thereby supporting plural glass shelves 5 .
- each of the hooks 2 a , 2 b formed at the cross member 2 an inner end of the hook is inclined outward along a direction from top to bottom of the hook.
- Each hook 2 a , 2 b fits into each slot 1 a , 1 b so as to obtain the rigid assembly force.
- the slot 1 a , 1 b has a trapezoid, in which the lower side S 2 is smaller than the upper side S 1 .
- the assembly force of the side surface of each hook 2 a , 2 b can be increased, which prevents the forward/backward and the right/left shake.
- the hook 2 a , 2 b is point-contacted on a very partial lower portion of the column 1 , which causes problems of low assembly force.
- an object of the present invention is to provide a prefabricating rack frame in which the column is fixed with the cross member utilizing minimum fastening means, thus attaining simple and fast assembly and disassembly.
- the coupling portion of both column and cross member has reinforcement, which causes more rigid assembly force than any prior art and secures the isolation of a shaking of forward/backward, right/left direction and the structural stability, and also shows a satisfactory appearance.
- a prefabricating rack frame comprises a column made of a steel square tube, a cross member made of a bent steel plate, by which a square is formed, and multiple shelf plates are placed.
- the prefabricating rack frame is comprised of; the column having plural slots along a longitudinal direction at an even interval; and the cross member having a pair of hooks to be inserted into respective slot, and a location restrictor formed between the upper and the lower hook and bent rectangular to the hook, and tightly contracted on the outer surface of the column.
- the slot is comprised of an upper portion having enough room for the hook to be inserted and having vertical side which is parallel to each other; a lower portion having narrower width than that of the upper portion and which is force-fitted into the hook, and having vertical side which is parallel to each other; and a slant portion formed between the upper portion and the lower portion.
- the slot has an inverse trapezoid shape in which a distance of the upper area is longer than that of the lower area, and has respective parallel portion that is measured from the bottom of each slot, and the hook is force-fitted into the parallel portion.
- the column has a pair of round openings formed at each right and left of the slot in a parallel way
- the location restrictor has a hole at the center thereof and the hole overlaps any of the round openings, in which a screw is inserted to any round opening through the hole.
- the column further has a fixing pin that is comprised of a pin member inserted into any one of the round openings, and a head formed at an end of the pin member that is contacted at the location restrictor of the cross member.
- an inner vertical end of the hook is inclined outward along a direction from top to bottom, and when each hook fits into each slot, the inner vertical end of the hook contrapsoes the outer side of the location restrictor against the wall of the column so as to squash.
- the cross member is comprised of a vertical web having the hook and the location restrictor at each longitudinal of the vertical web, and an upper/lower horizontal flange formed at the upper/lower vertical end of the vertical web and bent perpendicular to the vertical web and opposite to the extending direction of the location restrictor.
- FIG. 1 is schematic views illustrating a configuration of a conventional prefabricating rack frame
- FIGS. 2 and 3 are views illustrating assembly process of a column and a cross member of FIG. 1 ;
- FIG. 4 is a perspective view showing an assembly of a column and a cross member according to a first embodiment of the present invention
- FIG. 5 is a perspective view showing an assembly of a prefabricating rack frame, on which a shelf is placed;
- FIG. 6 is a front view of a slot of the column according to first/second embodiment
- FIGS. 7 and 8 are a perspective view and a side sectional view of the cross member according to a first embodiment, respectively.
- FIG. 9 is a perspective view showing an assembly of a column and a cross member according to a fourth embodiment.
- FIGS. 10 and 11 are is a side sectional view and a top plan view showing an assembly of a column and a cross member of FIG. 9 , respectively,
- FIG. 12 is a perspective view showing an assembly of a column and a cross member according to a second embodiment of the present invention.
- FIGS. 13 and 14 are a perspective view and a side sectional view of the cross member according to a second embodiment, respectively;
- FIG. 15 is a perspective view showing an assembly of a column and a cross member according to a second embodiment
- FIG. 16 is a perspective view showing an assembly of a column and a cross member according to a third embodiment
- FIG. 17 is a front view of a slot of the column according to a third embodiment.
- FIGS. 18 and 19 are a side sectional view and a top plan view showing an assembly of a column and a cross member of FIG. 16 , respectively;
- FIGS. 20 and 21 are plan views showing the assembly of a column and a cross member of FIG. 16 ;
- FIGS. 22 and 23 are plan views showing the assembly of a column and a cross member according to a fourth embodiment
- FIGS. 4 to 11 illustrate a prefabricating rack frame and its accompanying components according to a first embodiment of the present invention
- FIGS. 12 to 15 illustrate a prefabricating rack frame and its accompanying components according to a second embodiment of the present invention
- FIGS. 16 to 21 illustrate a prefabricating rack frame and its accompanying components according to a third embodiment of the present invention
- FIGS. 22 to 23 illustrate a prefabricating rack frame and its accompanying components according to a first embodiment of the present invention.
- the same components of the embodiments designate the same reference numbers.
- the prefabricating rack frame of the present invention is comprised of a column 10 having slot 11 along a longitudinal direction at an even interval, and a cross member 20 in which a pair of the hooks is formed at each end of the body of the cross member 20 .
- a shelf plate P is installed on each cross member 20 in a multistage.
- a square pipe is used as the column 10 as shown in the Figure, but a round pipe can be employed.
- the slot 11 plays a role as a fitter for the cross member 20 , but is used as a receiver of a shelf supporter S to support the shelf plate P.
- the slot 11 can be arranged along from top to bottom at a predetermined interval, and can be formed at a matchable position to the cross member or the shelf plate P.
- the slot has an upper portion 11 a , a lower portion 11 b , and a slant portion 11 c as shown FIG. 6 .
- the upper portion 11 a has enough room for the hook 21 of the cross member 20 to be inserted and each vertical side is parallel to each other.
- the lower portion 11 b has narrower width than that of the upper portion 11 a into which the hook 21 is force-fitted, and also each vertical side is parallel to each other.
- the slant portion 11 c is formed between the upper portion 11 a and the lower portion 11 b.
- the upper portion 11 a makes easy for the hook 21 to be inserted, the slant portion 1 c leads the hook 21 smoothly into the lower portion 11 b , and the lower portion 11 b takes a firm hold of the neck of the hook 21 , thereby satisfying the assembly easiness and the structural stability.
- a round opening 12 is symmetrically provided through which a screw 30 is passed in order to connect the cross member 20 to the column 10 .
- the symmetric formation of the slot is for inserting the screw 30 into the designated slot depending on the installation position of the cross member 20 or the assembly place of the location restrictor 22 .
- the slot 11 and the round opening 12 are formed at the same height of the opposite surface or the adjacent surface of the square pipe.
- the cross member 20 is assembled continually in forward/backward or left/right direction to make up a large shelf.
- a pair of hooks 21 is bent at each longitudinal end of the cross member 20 to be inserted into respective slot 11 of the column 10 .
- an inner vertical end of the hook 21 is inclined outward along a direction from top to bottom of the hook, which facilitates easy fit. More, when each hook fits into each slot, the inner vertical end of the hook 21 contraposes the outer side end of the location restrictor 22 and the upper/lower horizontal flange 27 , 28 against the wall of the column 10 so as to squash, which prevents the forward-backward free movement.
- the location restrictor 22 is formed between the upper and the lower hook 21 and is bent rectangular to the hook 21 .
- the location restrictor 22 is tightly contacted to the outer surface of the column 10 so as to prevent the left/right movement of the cross member 20 .
- a hole is provided that can be matched with any of the round openings 12 .
- the hole 23 is used for engaging the hole 12 of the column 10 with the hole of the cross member by the screw 30 .
- the thread fit prevents the unintentional separation of the column 10 from the cross member 20 .
- a buckling prevention means is provided at a portion where the location restrictor 22 is extended from the body of the cross member 20 .
- a pit 24 is formed at the outer corner where each longitudinal end of the cross member 20 meets the foot of the location restrictor 22 .
- a reinforcement rib 25 is provided at the inner corner of the location restrictor 22 , and its configuration counterposes that of the pit 24 , by which the contractual strength of the corner is reinforced. It has greater reinforce effect that the pit 24 and the reinforcement rib 25 are formed perpendicular to the border line of the location restrictor 22 .
- FIGS. 7 and 8 illustrate the cross member 20 adapted to a first embodiment of the present invention.
- the cross member 20 is comprised of a vertical web 26 and an upper/lower horizontal flange 27 , 28 .
- the vertical web 26 has the hook 21 and the location restrictor 22 at each longitudinal of the vertical web 26 .
- the upper/lower horizontal flanges 27 , 28 are formed at the upper/lower vertical end of the vertical web 26 and bent perpendicular to the vertical web 26 and opposite to the extending direction of the location restrictor 22 .
- FIGS. 13 and 14 illustrate the cross member 20 adapted to a second embodiment of the present invention.
- the cross member 20 is comprised of a vertical web 26 , an upper horizontal flange 27 , and a lower horizontal flange 28 .
- the vertical web 26 has a hook 21 and a location restrictor 22 at each longitudinal side of the vertical web 26 .
- the upper horizontal flange 27 is formed at the upper vertical end of the vertical web 26 and bent perpendicular to the vertical web 26 and opposite to the extending direction of the location restrictor 22 .
- the lower horizontal flange 28 is formed at the lower vertical end of the vertical web 26 and bent perpendicular to the vertical web 26 and at the same direction of the location restrictor 22 .
- the upper/lower horizontal flange 27 , 28 increase the bending strength of the cross member 20 by the reinforcement of the vertical web 26 . Furthermore, each longitudinal end of the upper/lower horizontal flange 28 , 28 contact the outer surface of the column 10 accompanying with the location restrictor 22 , thereby preventing the left/right movement of the cross member 20 .
- a pair of hooks 21 is inserted into the slot 11 , and the hook 21 is pressed down.
- the assembly is accomplished as shown in FIG. 10 .
- the hole 23 formed at the location restrictor 22 is matched with any of the round openings 12 .
- the shelf frame having a rectangular shape is formed.
- a shelf supporter S is attached at the middle position of the column 10 , and the shelf plate P is laid on the shelf supporter S.
- the column 10 has a distance determining means comprised of a pair of slots 11 and a pair of round openings 12 .
- the slots 11 are formed along the centerline of the column 10 at a predetermined interval.
- a pair of round openings 12 is formed adjacent to the point where the middle between each slot 11 is perpendically intersected.
- the distance determining means can change the distance of each shelf.
- the distance determining means are provided at two side surfaces of the column 10 or at two surfaces adjacent to each of the square pipe column 10 .
- each slot 11 has a respective parallel portion H 1 , H 2 that is measured from the bottom of each slot, and a distance of the upper area D 1 , D 2 is a little bit larger than that of the lower area d 1 , d 2 .
- the parallel portion H 1 , H 2 increases the contact size of both slot 11 and hook 21 when the hook 21 is inserted into the slot 11 . While the coupling of the column and the cross member depends on point contact in any prior art, the hook 21 of the cross member can be surface-contacted with the parallel portion H 1 , H 2 to obtain large fastening force.
- Each slot 12 has a distance L 1 , L 2 from the point where the middle between each slot 11 is perpendically intersected
- a pin member 41 of the fixing pin 40 is inserted selectively into any of a pair of round openings 12 depending on the installation direction of the cross member 20 or the position of the location restrictor 22 ; a head 42 of the fixing member 40 pushes the location restrictor 22 .
- the cross member 20 has a pair of hooks 21 formed at each longitudinal end of the body and inserted into the slot 11 , and a location restrictor 22 provided between the hook 21 that is bent toward any direction perpendicular to the vertical web 26 .
- an inner vertical end of the hook is inclined outward along a direction from top to bottom of the hook, which facilitates easy fit into the slot 11 .
- the cross member 20 has a vertical web 26 and the upper/lower horizontal flanges 27 , 28 that are bent perpendicular to the vertical web 26 and are opposite to the extending direction of the location restrictor 22 .
- any of the upper/lower horizontal flanges 27 , 28 can be bent at the same direction to the extending direction of the location restrictor 22 .
- the cross section of the location restrictor 22 and the upper/lower horizontal flange 27 , 28 has a rectangular shape that is fully contacted on the one surface of the square pipe column.
- the fixing pin 40 is coupled into the round opening 12 to push in the location restrictor 22 . That is, the hook 21 is coupled with the slot 11 and the pin member 41 of the fixing pin 40 is inserted into the round opening 12 provided above the location restrictor 22 . The head 42 of the fixing pin 40 presses the location restrictor 22 so as to prevent the free movement of the location restrictor 22 .
- the pin member 41 has a fastigiated shape to facilitate easy fit, and the thread portion is formed around the pin member 41 so it will not free from the round opening 12 .
- a pair of hooks 21 is inserted into the slots 11 and is pressed down as shown in FIG. 16 , the assembly is accomplished as shown in FIGS. 18 and 19 . At this time, both sides of the hook 21 are tightly contacted to the parallel portion H 1 , H 2 of the slot 11 , and no free movement takes place owing to the upper/lower horizontal flange 27 , 28 and the location restrictor 22 pressing the area below the round opening 12 .
- a tool such as a flat driver is inserted into a gap between the head 42 and the outside surface of the cross member 20 so as to push aside the fixing pin 40 .
- the fixing pin 40 can pulled out from the round opening 12 .
- the cross member 10 is pushed upward so as to extract the hook 21 from the slot 11 .
- the cross member 20 is easily separated from the column 10 .
- FIGS. 22 and 23 illustrate the fourth embodiment according to the present invention.
- the round pipe is used as the column 10 .
- the location restrictor 22 and both longitudinal ends of the upper/lower horizontal flange 27 , 28 are shaped as an arc to tightly contact the round tube shape cross member 10 . Moreover, the inner side of the head 42 of the fixing pin 40 is configured as an arc so as to push the location restrictor 22 .
- the rest of the configuration and operation are the same as those of the previous described embodiment. Therefore, the detailed description will be omitted for brevity, denoting the same reference numerals of the same components described in the previous embodiment.
- the rectangular rack frame is accomplished by an assembly in which the column is fixed with the cross member that utilizes minimum fastening means, thus attaining simple and fast assembly and disassembly.
- the coupling portion of both column and cross member has reinforcement, which causes more rigid assembly force than any prior art, and secures the isolation of a shaking of forward/backward, right/left direction and the structural stability, and also shows a satisfactory appearance.
- the flange, the location restrictor, and the upper horizontal flange can tightly contact with the outer surface of the column. This brings the inventive rack frame by which a right/left movement can be perfectly prevented.
- the hook of the cross member can surface-contact with the slot of the column to obtain big fastening force.
Abstract
The prefabricating rack frame are comprised of a column and a cross member. The column have plural slots along a longitudinal direction at an even interval, and the cross member have a pair of hooks to be inserted into respective slot, and a location restrictor is formed between the upper and the lower hook and bent rectangular to the hook, and tightly contracted on the outer surface of the column. The cross member further has a pit and a reinforcement rib; the pit is formed at the outer corner where each longitudinal end of the cross member meets the foot of the location restrictor; and a reinforcement rib is provided at the inner corner of the location restrictor and its configuration counterposes to that of the pit.
Description
- This invention relates to a prefabricating rack frame that can be installed at a store, warehouse, or a library, and on which different types of goods can be placed. The invention, specially, relates to the prefabricating rack frame that is made of only a column and a cross member without additional components, therefore, shakes can be prevented and structural stability can be attained.
- Most shelves can be used for storing or displaying goods at any types of mart or warehouse. The shelf has a structure in which several plates are stacked at a predetermined interval, and was prefabricated for facility of portage, assembly and disassembly.
- Generally, to establish a prefabricating rack, an angle having plural slots can be cut at a predetermined length, and can be fastened by bolts and nuts through the bracket attached to the angle, thus making a shelf frame. A shelf, made of thin steel or wood plate, is placed on the horizontal angle.
- However, such a prefabricating shelf needs plural bolts and nuts to lead troublesome in assembly and disassembly and needs lots of work time. This brings cost increase.
- Furthermore, angles can be distorted by load of goods placed on the shelf after long-term usage. That causes plenty of problems such as an ugly appearance and instability.
- Considering the above problems, an example of the rack frame enabling assembly without special fastening means is disclosed in the Korean Utility Model Publication No. 20-1996-0009841.
- The conventional art is comprised of a column having parallel plural slots and a cross member being assembled with the column. A hook formed at the cross member is inserted into the slots of the column, and the cross member is pressed down, thus completing the assembly between the column and the cross member.
- This technology has the advantage of easy assembly and disassembly since no additional fastening means is required.
- However, the conventional art needs to have a gap between the hook and the slot when the hook is inserted into the slot, because it would lead to a difficult assembly if there was no gap. The gap causes a shaking of the cross member fitted into the column, and it brings structural instability of the prefabricating rack.
- Considering the above problems, the inventor has proposed a prefabricating rack frame in the Korean Open-laid Patent No. 2002-0089286(2002.11.29), in which a cross member is assembled in a force fit with a column to prevent a shake of the rack frame. The
rack frame 3 is comprised ofplural columns 1 andplural cross members 2, by which rectangular frame is shaped as shown inFIG. 1 . Ashelf supporter 4 is provided at the column at a predetermined height, and aglass shelf 5 is placed on theshelf supporter 4, thereby supportingplural glass shelves 5. - Furthermore, as shown in
FIGS. 2 and 3 , in each of thehooks cross member 2, an inner end of the hook is inclined outward along a direction from top to bottom of the hook. Eachhook slot 1 a, 1 b so as to obtain the rigid assembly force. Theslot 1 a, 1 b has a trapezoid, in which the lower side S2 is smaller than the upper side S1. The assembly force of the side surface of eachhook - However, in this structure, the
hook column 1, which causes problems of low assembly force. - Moreover, in the case of the frequent assembly or disassembly of the
column 1 and thecross member 2, wear occurs between theslot 1 a, 1 b and thehook - Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a prefabricating rack frame in which the column is fixed with the cross member utilizing minimum fastening means, thus attaining simple and fast assembly and disassembly. The coupling portion of both column and cross member has reinforcement, which causes more rigid assembly force than any prior art and secures the isolation of a shaking of forward/backward, right/left direction and the structural stability, and also shows a satisfactory appearance.
- In order to accomplish those and these objects, the present invention has characteristic in which; a prefabricating rack frame comprises a column made of a steel square tube, a cross member made of a bent steel plate, by which a square is formed, and multiple shelf plates are placed. The prefabricating rack frame is comprised of; the column having plural slots along a longitudinal direction at an even interval; and the cross member having a pair of hooks to be inserted into respective slot, and a location restrictor formed between the upper and the lower hook and bent rectangular to the hook, and tightly contracted on the outer surface of the column.
- Further, it has another characteristic in that the slot is comprised of an upper portion having enough room for the hook to be inserted and having vertical side which is parallel to each other; a lower portion having narrower width than that of the upper portion and which is force-fitted into the hook, and having vertical side which is parallel to each other; and a slant portion formed between the upper portion and the lower portion.
- Further, it has another characteristic in that the slot has an inverse trapezoid shape in which a distance of the upper area is longer than that of the lower area, and has respective parallel portion that is measured from the bottom of each slot, and the hook is force-fitted into the parallel portion.
- Further, it has another characteristic in that the column has a pair of round openings formed at each right and left of the slot in a parallel way, the location restrictor has a hole at the center thereof and the hole overlaps any of the round openings, in which a screw is inserted to any round opening through the hole.
- Further, it has another characteristic in that a pair of round openings is formed near the slot of the column, the column further has a fixing pin that is comprised of a pin member inserted into any one of the round openings, and a head formed at an end of the pin member that is contacted at the location restrictor of the cross member.
- Further, it has another characteristic in that an inner vertical end of the hook is inclined outward along a direction from top to bottom, and when each hook fits into each slot, the inner vertical end of the hook contrapsoes the outer side of the location restrictor against the wall of the column so as to squash.
- Further, it has another characteristic in that the cross member is comprised of a vertical web having the hook and the location restrictor at each longitudinal of the vertical web, and an upper/lower horizontal flange formed at the upper/lower vertical end of the vertical web and bent perpendicular to the vertical web and opposite to the extending direction of the location restrictor.
- The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
-
FIG. 1 is schematic views illustrating a configuration of a conventional prefabricating rack frame; -
FIGS. 2 and 3 are views illustrating assembly process of a column and a cross member ofFIG. 1 ; -
FIG. 4 is a perspective view showing an assembly of a column and a cross member according to a first embodiment of the present invention; -
FIG. 5 is a perspective view showing an assembly of a prefabricating rack frame, on which a shelf is placed; -
FIG. 6 is a front view of a slot of the column according to first/second embodiment; -
FIGS. 7 and 8 are a perspective view and a side sectional view of the cross member according to a first embodiment, respectively, -
FIG. 9 is a perspective view showing an assembly of a column and a cross member according to a fourth embodiment; -
FIGS. 10 and 11 are is a side sectional view and a top plan view showing an assembly of a column and a cross member ofFIG. 9 , respectively, -
FIG. 12 is a perspective view showing an assembly of a column and a cross member according to a second embodiment of the present invention; -
FIGS. 13 and 14 are a perspective view and a side sectional view of the cross member according to a second embodiment, respectively; -
FIG. 15 is a perspective view showing an assembly of a column and a cross member according to a second embodiment; -
FIG. 16 is a perspective view showing an assembly of a column and a cross member according to a third embodiment; -
FIG. 17 is a front view of a slot of the column according to a third embodiment; -
FIGS. 18 and 19 are a side sectional view and a top plan view showing an assembly of a column and a cross member ofFIG. 16 , respectively; -
FIGS. 20 and 21 are plan views showing the assembly of a column and a cross member ofFIG. 16 ; and -
FIGS. 22 and 23 are plan views showing the assembly of a column and a cross member according to a fourth embodiment; - This invention will be described further by way of exemplary embodiments with reference to the accompanying drawings.
- FIGS. 4 to 11 illustrate a prefabricating rack frame and its accompanying components according to a first embodiment of the present invention, FIGS. 12 to 15 illustrate a prefabricating rack frame and its accompanying components according to a second embodiment of the present invention, FIGS. 16 to 21 illustrate a prefabricating rack frame and its accompanying components according to a third embodiment of the present invention, and FIGS. 22 to 23 illustrate a prefabricating rack frame and its accompanying components according to a first embodiment of the present invention. The same components of the embodiments designate the same reference numbers.
- First, the technology configuration of the first embodiment (FIGS. 4 to 11) and the second embodiment (FIGS. 12 to 15) will be described below.
- The prefabricating rack frame of the present invention is comprised of a
column 10 havingslot 11 along a longitudinal direction at an even interval, and across member 20 in which a pair of the hooks is formed at each end of the body of thecross member 20. A shelf plate P is installed on eachcross member 20 in a multistage. A square pipe is used as thecolumn 10 as shown in the Figure, but a round pipe can be employed. - The
slot 11 plays a role as a fitter for thecross member 20, but is used as a receiver of a shelf supporter S to support the shelf plate P. - The
slot 11 can be arranged along from top to bottom at a predetermined interval, and can be formed at a matchable position to the cross member or the shelf plate P. - The slot has an
upper portion 11 a, alower portion 11 b, and aslant portion 11 c as shownFIG. 6 . Theupper portion 11 a has enough room for thehook 21 of thecross member 20 to be inserted and each vertical side is parallel to each other. Thelower portion 11 b has narrower width than that of theupper portion 11 a into which thehook 21 is force-fitted, and also each vertical side is parallel to each other. Theslant portion 11 c is formed between theupper portion 11 a and thelower portion 11 b. - In the configuration of the
slot 11, theupper portion 11 a makes easy for thehook 21 to be inserted, the slant portion 1 c leads thehook 21 smoothly into thelower portion 11 b, and thelower portion 11 b takes a firm hold of the neck of thehook 21, thereby satisfying the assembly easiness and the structural stability. - At each right and left side of the
slot 11, around opening 12 is symmetrically provided through which ascrew 30 is passed in order to connect thecross member 20 to thecolumn 10. The symmetric formation of the slot is for inserting thescrew 30 into the designated slot depending on the installation position of thecross member 20 or the assembly place of thelocation restrictor 22. - The
slot 11 and theround opening 12 are formed at the same height of the opposite surface or the adjacent surface of the square pipe. Thecross member 20 is assembled continually in forward/backward or left/right direction to make up a large shelf. A pair ofhooks 21 is bent at each longitudinal end of thecross member 20 to be inserted intorespective slot 11 of thecolumn 10. - Furthermore, an inner vertical end of the
hook 21 is inclined outward along a direction from top to bottom of the hook, which facilitates easy fit. More, when each hook fits into each slot, the inner vertical end of thehook 21 contraposes the outer side end of thelocation restrictor 22 and the upper/lowerhorizontal flange column 10 so as to squash, which prevents the forward-backward free movement. Thelocation restrictor 22 is formed between the upper and thelower hook 21 and is bent rectangular to thehook 21. - The
location restrictor 22 is tightly contacted to the outer surface of thecolumn 10 so as to prevent the left/right movement of thecross member 20. At the center of the location restrictor 22 a hole is provided that can be matched with any of theround openings 12. - The
hole 23 is used for engaging thehole 12 of thecolumn 10 with the hole of the cross member by thescrew 30. The thread fit prevents the unintentional separation of thecolumn 10 from thecross member 20. - A buckling prevention means is provided at a portion where the
location restrictor 22 is extended from the body of thecross member 20. As shownFIGS. 7, 8 , 13, and 14, apit 24 is formed at the outer corner where each longitudinal end of thecross member 20 meets the foot of thelocation restrictor 22. Moreover, areinforcement rib 25 is provided at the inner corner of thelocation restrictor 22, and its configuration counterposes that of thepit 24, by which the contractual strength of the corner is reinforced. It has greater reinforce effect that thepit 24 and thereinforcement rib 25 are formed perpendicular to the border line of thelocation restrictor 22. -
FIGS. 7 and 8 illustrate thecross member 20 adapted to a first embodiment of the present invention. - The
cross member 20 is comprised of avertical web 26 and an upper/lowerhorizontal flange vertical web 26 has thehook 21 and thelocation restrictor 22 at each longitudinal of thevertical web 26. The upper/lowerhorizontal flanges vertical web 26 and bent perpendicular to thevertical web 26 and opposite to the extending direction of thelocation restrictor 22. -
FIGS. 13 and 14 illustrate thecross member 20 adapted to a second embodiment of the present invention. - The
cross member 20 is comprised of avertical web 26, an upperhorizontal flange 27, and a lowerhorizontal flange 28. Thevertical web 26 has ahook 21 and alocation restrictor 22 at each longitudinal side of thevertical web 26. The upperhorizontal flange 27 is formed at the upper vertical end of thevertical web 26 and bent perpendicular to thevertical web 26 and opposite to the extending direction of thelocation restrictor 22. The lowerhorizontal flange 28 is formed at the lower vertical end of thevertical web 26 and bent perpendicular to thevertical web 26 and at the same direction of thelocation restrictor 22. - The upper/lower
horizontal flange cross member 20 by the reinforcement of thevertical web 26. Furthermore, each longitudinal end of the upper/lowerhorizontal flange column 10 accompanying with thelocation restrictor 22, thereby preventing the left/right movement of thecross member 20. - To implement the present invention, it is clear that only any single flange of the upper/lower flange can be adapted.
- Hereafter, the assembly operation of the first/second embodiment according to the present invention will be described below.
- First, as shown in
FIG. 9 , a pair ofhooks 21 is inserted into theslot 11, and thehook 21 is pressed down. Thus, the assembly is accomplished as shown inFIG. 10 . - Now, it maintains that the surrounding edge of the
hook 21 contacts thelower portion 11 b of theslot 11 as shown inFIGS. 6 and 11 . Also, thelocation restrictor 22 and the upper/lower flange column 10, which prevents the forward/backward and the right/left slight movement. - According to the above assembly, the
hole 23 formed at thelocation restrictor 22 is matched with any of theround openings 12. - At this state, the
thread 13 is engaged with thehole 23 and theround opening 12 as shown inFIG. 11 and the coupling between thecolumn 10 and thecross member 20 is accomplished. - In the present invention, at every assembly portion between the
column 10 and thecross member 20, the above operation is repeated, and the shelf frame having a rectangular shape is formed. As shown inFIG. 5 , a shelf supporter S is attached at the middle position of thecolumn 10, and the shelf plate P is laid on the shelf supporter S. - Hereafter, the technical components of the third embodiment will be described below with reference to FIGS. 16 to 21.
- The
column 10 has a distance determining means comprised of a pair ofslots 11 and a pair ofround openings 12. Theslots 11 are formed along the centerline of thecolumn 10 at a predetermined interval. A pair ofround openings 12 is formed adjacent to the point where the middle between eachslot 11 is perpendically intersected. The distance determining means can change the distance of each shelf. - The distance determining means are provided at two side surfaces of the
column 10 or at two surfaces adjacent to each of thesquare pipe column 10. - As shown in
FIG. 17 , eachslot 11 has a respective parallel portion H1, H2 that is measured from the bottom of each slot, and a distance of the upper area D1, D2 is a little bit larger than that of the lower area d1, d2. - The parallel portion H1, H2 increases the contact size of both
slot 11 andhook 21 when thehook 21 is inserted into theslot 11. While the coupling of the column and the cross member depends on point contact in any prior art, thehook 21 of the cross member can be surface-contacted with the parallel portion H1, H2 to obtain large fastening force. - Each
slot 12 has a distance L1, L2 from the point where the middle between eachslot 11 is perpendically intersected - A
pin member 41 of the fixingpin 40 is inserted selectively into any of a pair ofround openings 12 depending on the installation direction of thecross member 20 or the position of thelocation restrictor 22; ahead 42 of the fixingmember 40 pushes thelocation restrictor 22. - The
cross member 20 has a pair ofhooks 21 formed at each longitudinal end of the body and inserted into theslot 11, and alocation restrictor 22 provided between thehook 21 that is bent toward any direction perpendicular to thevertical web 26. - In the
hook 21 as shown inFIGS. 18 and 19 , an inner vertical end of the hook is inclined outward along a direction from top to bottom of the hook, which facilitates easy fit into theslot 11. - As the first embodiment, the
cross member 20 has avertical web 26 and the upper/lowerhorizontal flanges vertical web 26 and are opposite to the extending direction of thelocation restrictor 22. However, any of the upper/lowerhorizontal flanges location restrictor 22. - The cross section of the
location restrictor 22 and the upper/lowerhorizontal flange - The fixing
pin 40 is coupled into theround opening 12 to push in thelocation restrictor 22. That is, thehook 21 is coupled with theslot 11 and thepin member 41 of the fixingpin 40 is inserted into theround opening 12 provided above thelocation restrictor 22. Thehead 42 of the fixingpin 40 presses thelocation restrictor 22 so as to prevent the free movement of thelocation restrictor 22. - The
pin member 41 has a fastigiated shape to facilitate easy fit, and the thread portion is formed around thepin member 41 so it will not free from theround opening 12. - A pair of
hooks 21 is inserted into theslots 11 and is pressed down as shown inFIG. 16 , the assembly is accomplished as shown inFIGS. 18 and 19 . At this time, both sides of thehook 21 are tightly contacted to the parallel portion H1, H2 of theslot 11, and no free movement takes place owing to the upper/lowerhorizontal flange location restrictor 22 pressing the area below theround opening 12. - At this state, the
pin member 41 of the fixingpin 40 is pressed into theround opening 12, thethread portion 43 is crushed, and the head of the fixingpin 40 presses thelocation restrictor 22, thus completing the assembly. - In the case of the separation of the
cross member 20 from thecolumn 10, a tool such as a flat driver is inserted into a gap between thehead 42 and the outside surface of thecross member 20 so as to push aside the fixingpin 40. The fixingpin 40 can pulled out from theround opening 12. - Next, the
cross member 10 is pushed upward so as to extract thehook 21 from theslot 11. Thus, thecross member 20 is easily separated from thecolumn 10. -
FIGS. 22 and 23 illustrate the fourth embodiment according to the present invention. The round pipe is used as thecolumn 10. - The
location restrictor 22 and both longitudinal ends of the upper/lowerhorizontal flange shape cross member 10. Moreover, the inner side of thehead 42 of the fixingpin 40 is configured as an arc so as to push thelocation restrictor 22. The rest of the configuration and operation are the same as those of the previous described embodiment. Therefore, the detailed description will be omitted for brevity, denoting the same reference numerals of the same components described in the previous embodiment. - Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
- According to the present invention, the rectangular rack frame is accomplished by an assembly in which the column is fixed with the cross member that utilizes minimum fastening means, thus attaining simple and fast assembly and disassembly. The coupling portion of both column and cross member has reinforcement, which causes more rigid assembly force than any prior art, and secures the isolation of a shaking of forward/backward, right/left direction and the structural stability, and also shows a satisfactory appearance.
- In the cross member, the flange, the location restrictor, and the upper horizontal flange can tightly contact with the outer surface of the column. This brings the inventive rack frame by which a right/left movement can be perfectly prevented.
- Furthermore, while the coupling of the column and the cross member depends on point contact in any prior art, in the present invention the hook of the cross member can surface-contact with the slot of the column to obtain big fastening force.
- Therefore, according to the present invention, easy assembly and disassembly can be secured, and structure stability can be ensured by the isolation of forward/backward, left/right shaking of the components, and also shows the satisfactory appearance.
Claims (13)
1. A prefabricating rack frame comprised of a column made of a steel square tube, a cross member made of a bent steel plate, by which a square is formed, and multiple shelf plates are placed, the prefabricating rack frame comprising;
the column having plural slots along a longitudinal direction at an even interval; and
the cross member having a pair of hooks to be inserted into respective slots, and a location restrictor formed between the upper and the lower hook and bent rectangular to the hook, and tightly contracted on the outer surface of the column.
2. The prefabricating rack frame as set forth in claim 1 , wherein the slot is comprised of an upper portion having enough room for the hook to be inserted and having vertical sides which are parallel to each other; a lower portion having narrower width than that of the upper portion and which is force-fitted into the hook, and having vertical sides which are parallel to each other; and a slant portion formed between the upper portion and the lower portion.
3. The prefabricating rack frame as set forth in claim 1 , wherein the slot has an inverse trapezoid shape in which a distance of an upper area is longer than that of a lower area, and has respective parallel portion that is measured from the bottom of each slot, and the hook is force-fitted into the parallel portion.
4. The prefabricating rack frame as set forth in claim 1 , wherein the column has a pair of round openings formed at each right and left of the slot in a parallel way, the location restrictor has a hole at the center thereof and the hole overlaps any of the round openings, in which a screw is inserted to any round opening through the hole.
5. The prefabricating rack frame as set forth in claim 1 , wherein a pair of round openings is formed near the slot of the column, the column further has a fixing pin that is comprised of a pin member inserted into any one of the round openings, and a head formed at an end of the pin member that is contacted at the location restrictor of the cross member.
6. The prefabricating rack frame as set forth in claim 4 , wherein a thread portion is formed around the circumstance of the pin member, and the pin member has a fastigiated point.
7. The prefabricating rack frame as set forth in claim 1 , wherein an inner vertical end of the hook is inclined outward along a direction from top to bottom, and when each hook fits into each slot, the inner vertical end of the hook contrapsoes the outer side of the location restrictor against the wall of the column so as to squash.
8. The prefabricating rack frame as set forth in claim 1 , wherein the cross member further has a pit and a reinforcement rib; the pit is formed at the outer corner where each longitudinal end of the cross member meets the foot of the location restrictor; and a reinforcement rib is provided at the inner corner of the location restrictor and its configuration counterposes to that of the pit.
9. The prefabricating rack frame as set forth in claim 8 , wherein the pit and the reinforcement rib are formed perpendicular to the border line of the location restrictor.
10. The prefabricating rack frame as set forth in claim 1 , wherein the cross member is comprised of a vertical web having a hook and the location restrictor at each longitudinal end of the vertical web, and an upper/lower horizontal flange formed at the upper/lower vertical end of the vertical web and bent perpendicular to the vertical web and opposite to the extending direction of the location restrictor.
11. The prefabricating rack frame as set forth in claim 1 , wherein the cross member is comprised of a vertical web having a hook and the location restrictor at each longitudinal end of the vertical web; an upper horizontal flange formed at the upper vertical end of the vertical web and bent perpendicular to the vertical web and opposite to the extending direction of the location restrictor; and a lower horizontal flange formed at the lower vertical end of the vertical web and bent perpendicular to the vertical web and at the same direction of the location restrictor.
12. The prefabricating rack frame as set forth in claim 10 , wherein a square pipe is used as the column, and the cross section of the location restrictor and the upper/lower horizontal flange has a rectangular shape that is fully contacted to the one surface of the square pipe column.
13. The prefabricating rack frame as set forth in claim 10 , wherein a round pipe is used as the column, and the cross section of the location restrictor and the upper/lower horizontal flange has an arc that is fully contacted to the one surface of the round pipe column.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0023502 | 2003-04-14 | ||
KR1020030023502A KR20040089404A (en) | 2003-04-14 | 2003-04-14 | Prefabricating rack frame |
KR10-2004-0025202 | 2004-04-13 | ||
KR1020040025202A KR100614982B1 (en) | 2004-04-13 | 2004-04-13 | Prefabricating rack frame |
PCT/KR2004/000867 WO2004089159A1 (en) | 2003-04-14 | 2004-04-14 | Prefabricating rack frame |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070062898A1 true US20070062898A1 (en) | 2007-03-22 |
Family
ID=33161620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/553,313 Abandoned US20070062898A1 (en) | 2003-04-14 | 2004-04-14 | Prefabricating rack frame |
Country Status (2)
Country | Link |
---|---|
US (1) | US20070062898A1 (en) |
WO (1) | WO2004089159A1 (en) |
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US20070042638A1 (en) * | 2003-04-14 | 2007-02-22 | Choi Cheon S | Prefabricating rack frame |
US20070262685A1 (en) * | 2006-01-06 | 2007-11-15 | Symbiote, Inc. | Post and beam furniture construction |
US20080296243A1 (en) * | 2007-05-31 | 2008-12-04 | The Regents Of The University Of California | Seismic shelf restraint |
US7464509B1 (en) * | 2005-07-15 | 2008-12-16 | Brown James C | Security wall |
US20110155679A1 (en) * | 2006-01-06 | 2011-06-30 | Symbiote, Inc. | Post and beam furniture construction |
US20120111808A1 (en) * | 2010-05-26 | 2012-05-10 | Irega Ag | Knockdown shelving system for storing vehicle wheel sets |
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US20140042114A1 (en) * | 2012-08-07 | 2014-02-13 | Hon Hai Precision Industry Co., Ltd. | Electronic device rack |
US8672150B2 (en) * | 2012-08-02 | 2014-03-18 | E-Make Co., Ltd. | Modular shelving |
US20140175033A1 (en) * | 2012-12-26 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Electronic device rack |
US9167896B1 (en) * | 2014-10-21 | 2015-10-27 | Shuter Enterprise Co., Ltd. | Supporting rack assembly |
US20160001976A1 (en) * | 2013-02-12 | 2016-01-07 | Murata Machinery, Ltd. | Storage shelf |
US20160084286A1 (en) * | 2014-09-19 | 2016-03-24 | Robert Bosch Gmbh | Framework assembly and hydraulic system having the same |
US9888770B1 (en) * | 2017-07-21 | 2018-02-13 | Affinity Hardware Co., Ltd. | Shelf assembly |
US10206506B1 (en) * | 2018-07-09 | 2019-02-19 | Shenter Enterprise Co., Ltd. | Frame with connecting and positioning structure |
US20190106937A1 (en) * | 2017-10-07 | 2019-04-11 | Idea81 LLC | Window shade mounting system, and three-way mounting unit for use therein |
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US20190169832A1 (en) * | 2016-07-29 | 2019-06-06 | Zhejiang Feiwu Architectural Technology Co., Ltd. | Light steel connecting structure for house and mounting method |
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US11064803B2 (en) * | 2019-05-13 | 2021-07-20 | The West Retail Group Limited | Kit of parts for a kitchen unit |
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US11219308B2 (en) * | 2017-04-03 | 2022-01-11 | Eyal GLOBERMAN | Method for making shelves |
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US20220071388A1 (en) * | 2020-09-08 | 2022-03-10 | Grillnetics LLC | Enclosure Assembly System |
US11415159B2 (en) * | 2017-12-29 | 2022-08-16 | Ronda S.P.A. | Frame structure for a piece of furniture |
US20230047733A1 (en) * | 2020-01-23 | 2023-02-16 | Visplay Gmbh | Structural system and shelf |
US20230129296A1 (en) * | 2021-10-27 | 2023-04-27 | Edsal Manufacturing Company, Llc | Weldless shelf support beams and shelving units utilizing same |
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CN202820243U (en) * | 2012-08-31 | 2013-03-27 | 东莞家宝生活用品有限公司 | Commodity shelf main body frame |
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US20070042638A1 (en) * | 2003-04-14 | 2007-02-22 | Choi Cheon S | Prefabricating rack frame |
US7665255B2 (en) * | 2005-06-13 | 2010-02-23 | Michael Dressendorfer | Cable distribution and management system |
US20060277833A1 (en) * | 2005-06-13 | 2006-12-14 | Michael Dressendorfer | Cable distribution and management system |
US7464509B1 (en) * | 2005-07-15 | 2008-12-16 | Brown James C | Security wall |
US20070262685A1 (en) * | 2006-01-06 | 2007-11-15 | Symbiote, Inc. | Post and beam furniture construction |
US20110155679A1 (en) * | 2006-01-06 | 2011-06-30 | Symbiote, Inc. | Post and beam furniture construction |
US8234983B2 (en) | 2006-01-06 | 2012-08-07 | Travis M Randolph | Post and beam furniture construction |
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US20140042114A1 (en) * | 2012-08-07 | 2014-02-13 | Hon Hai Precision Industry Co., Ltd. | Electronic device rack |
CN102846217A (en) * | 2012-08-30 | 2013-01-02 | 宁波罗特电器有限公司 | Fixing structure of insulation cabinet net rack |
US20140175033A1 (en) * | 2012-12-26 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Electronic device rack |
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US9359135B2 (en) * | 2013-02-12 | 2016-06-07 | Murata Machinery, Ltd. | Storage shelf |
US20160084286A1 (en) * | 2014-09-19 | 2016-03-24 | Robert Bosch Gmbh | Framework assembly and hydraulic system having the same |
US10274124B2 (en) * | 2014-09-19 | 2019-04-30 | Robert Bosch Gmbh | Framework assembly and hydraulic system having the same |
US9167896B1 (en) * | 2014-10-21 | 2015-10-27 | Shuter Enterprise Co., Ltd. | Supporting rack assembly |
US20190169832A1 (en) * | 2016-07-29 | 2019-06-06 | Zhejiang Feiwu Architectural Technology Co., Ltd. | Light steel connecting structure for house and mounting method |
US11896121B2 (en) * | 2017-04-03 | 2024-02-13 | Eyal GLOBERMAN | Method for making shelves |
US20220071389A1 (en) * | 2017-04-03 | 2022-03-10 | Eyal GLOBERMAN | Method for making shelves |
US11219308B2 (en) * | 2017-04-03 | 2022-01-11 | Eyal GLOBERMAN | Method for making shelves |
US9888770B1 (en) * | 2017-07-21 | 2018-02-13 | Affinity Hardware Co., Ltd. | Shelf assembly |
US10433640B2 (en) * | 2017-08-03 | 2019-10-08 | Jose Maria Sanchez Anton | Modular furniture |
US20190106937A1 (en) * | 2017-10-07 | 2019-04-11 | Idea81 LLC | Window shade mounting system, and three-way mounting unit for use therein |
US11415159B2 (en) * | 2017-12-29 | 2022-08-16 | Ronda S.P.A. | Frame structure for a piece of furniture |
USD932656S1 (en) * | 2018-07-09 | 2021-10-05 | Shenter Enterprise Co., Ltd. | Post |
US10299589B1 (en) * | 2018-07-09 | 2019-05-28 | Shenter Enterprise Co., Ltd. | Frame hooking and combining structure |
US10368639B1 (en) * | 2018-07-09 | 2019-08-06 | Shenter Enterprise Co., Ltd. | Butt-joining and positioning structure of vertical bar with hook hole |
US10206506B1 (en) * | 2018-07-09 | 2019-02-19 | Shenter Enterprise Co., Ltd. | Frame with connecting and positioning structure |
US11064803B2 (en) * | 2019-05-13 | 2021-07-20 | The West Retail Group Limited | Kit of parts for a kitchen unit |
US11832721B2 (en) * | 2020-01-23 | 2023-12-05 | Visplay Gmbh | Structural system and shelf |
US20230047733A1 (en) * | 2020-01-23 | 2023-02-16 | Visplay Gmbh | Structural system and shelf |
US20220071388A1 (en) * | 2020-09-08 | 2022-03-10 | Grillnetics LLC | Enclosure Assembly System |
US11700937B2 (en) * | 2020-09-08 | 2023-07-18 | Grillnetics LLC | Enclosure assembly system |
US20230129296A1 (en) * | 2021-10-27 | 2023-04-27 | Edsal Manufacturing Company, Llc | Weldless shelf support beams and shelving units utilizing same |
US11925258B2 (en) * | 2021-10-27 | 2024-03-12 | Edsal Manufacturing Company, Llc | Weldless shelf support beams and shelving units utilizing same |
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WO2004089159A1 (en) | 2004-10-21 |
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AS | Assignment |
Owner name: TEKNOA INDUSTRIAL INC., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHOI, CHEON SOON;REEL/FRAME:017798/0014 Effective date: 20051026 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |