US2404317A - Tape applier - Google Patents

Description

July `13, 1.94.6- `l.. L. sixLFlsEwfRc;l l 2,404,317 TAPE APPLIER f Filed March 29, l9 45 y 2 Sheets-Sheet l ff 24,51%@ 10, 4, z5

Ullman" Patented July 16, 1946 TAPE APPLIER Leroy L.. Salfisberg, South OrangaN.Y J., assgnor to Ivers-Lee Company, Newark, N.' J., a corporation of Delaware Application March .29, 1945,` Serial No. `585,405

I .This invention relatescto` a machineifor dispensing .and for applyingY to, an article, such .as a

package, adhesive strips or sheets, for example; normally tacky or pressure-sensitive adhesive tape sold under the trade-mark Scotch A machine of this type is disclosed `in my patent `Reissue 22,418 dated January 11, 19,44.l

A primary object Yof my invention is to provide a machine whichshall embody novel and, vimproved means for dispensing pieces of Ytape of. predeterminedlength into aJp-redetermined position 4to be received bythe finger of the oper- .ator or to be engaged by a portion of an article,

such as a package, upon movementrof the latter in various directions. K.

vA linici-,her object is providejsuch a machine ,that is simple Vand inexpensive in construction ,and reliable and durable. Y

, Another object is tov provide 'su-cha 4machine in which all oi the motive power necessaryto operate it in normal use is supplied by the movement of the articles that are taped or sealed.

StillA anothery object is to provide a machine of .this character which can'be manually operated by a 'relatively unskilled operator and with i;

a minimum of attention and physical effort.

'Yet another object is to provide in a machinel ofthe general character described novel and improved means 'for withdrawing in succession predetermined lengths of tape from a roll or strip, 1;

for vsevering pieces of the tapefrom thenroll or strip and for projecting and holding the severed pieces in position to be gripped Vin the ngers of lthe operator lor to beengaged by an article 4to which the piece of tape is to be applied. y

Other objects, advantages and yresults o'f the description in connection with the accompanying drawings in which- Figure l is a vertical sectional view of a gummed tape applicator embodying my invention showing the parts in inoperative position, with the frame for sup-porting the movable'parts ingopen posiltion in dot and dash lines.

Figure 8 is a sectional view taken on the plane of the line 2--2 of Figure 1.

Figure 3 is a front View of the applicator.

Figure 4 is ya fragmentary sectional view show-` ing the parts in operative position. Figure 5 is a sectional View taken on the plane of the line 5-5 of Figure 2;

Figure 6 is a fragmentary sectional view of a modied form of :ny-invention.

` Figure '7 is a plan view of the device of Figure 6. Specifically describingthe 'embodiment of the 12 claims. (c1. 21o- 21) f invention shown in Figures 1 to V5., inclusive, `the l tom edge.

Vinvention will be brought out bythe following gummed tape dispenser includes afcasing or housing formed of metal or Aother suitable material having a base I and side Walls 2 and 3'fo-rmed with inwardly extending flanges 4 and 5, respectively, at their front edges between whichilanges the tape to be app-lied is projected. Thebase Y extends upwardly slightlyat thel rear to iorina wall extension 6, and .the base may bevprovide'd with rubberbuttons I .or the like for restinglfon any suitablesupport. 4Thefc'asing is open at the top, bottom, front and rea v Within the casingjis a frame indicated gener.- ally at 8 which is pivotally mounted on a pin 9 extending ,between the walls 2 and 3 adjacent the rear wall extension 6. The frame comprises a plate ID formed with an upper integral ilange portion I I VVdisposed transversely thereof v,and forming `a closure forthe opper open end ofthe casing and with a flange portion I 2.along its botie upper ilange Il ends ata point remote from the irontof the casing and is provided with a downwardly extending vertical flange portion I3 spaced inwardly ofits end. The

#lower iiange I2 extends upwardly at the `front of the casing forminga support I4 for a. knife I 5 whichV has its edge disposed horizontally across the opening at the front of the casing,

Rotatably mounted on the plate I0 by vmeans Vof `ra shaft rI6 isa drum I'Ifor supporting a roll I8 of vadhesive tape. One type of `adhesive tape with which my dispenser and applier may be utilized is what is known as ScotchWtape which generally comprises a strip of crepepaper, Cello- ;phane, or the like to-one side of which is applied a normally tacky or pressure-sensitive adhesive.

filapeV can be unwoundV from the roll without transfer or offsetting of theV adhesive and the adhesive `may be caused to adhere to a surface by simple application of pressure and without -activation of the adhesive as by water, solvents or heat. The strip I9 of adhesiveis vunwound from f the roll I8 and passes.upwardly.v between a guide spring 2i! .secured to the ilanger I3 and a guide roller 2i mounted on a stud 22 secured to the plate I0 whereby the tape may be guided and pulled upwardly and forwardly through the opening in the front of the casing between thev vflanges 4 and 5.

Within the casing is also arranged meansior feeding the strip I9 ofadhesive material so as to locate the free end portion'thereof. in a predetermined position to be engaged by the linger of the operator. This feeding means includes a le- ;-ver 23 whichvislpivoted to the plate I0 adjacent YFigures 6 and 7. ,the structure of the mechanism is shown sub- Figures 1 to 5 inclusive,

the bottom thereof as indicated at 24, which is y eccentric to the pivot shaft I6 of drum i1. Lever 23 is in the form of a at bar and normally eX- tends upwardly and forwardly of the casing with its outer end protruding through the opening in the front of the casing between the anges 4 and 5. At its outer front portion, the'leveris curved and bent'around upon itself to form a seat 2 5 for a finger piece 26 formed of rubber or the like which is in alignment with the strip of tape. .A

i spring 21 having one endv fastened to the plate" g I0 and its other end to the lever 23 serves to re e turn and maintain the lever in normal position.

Pivotally mounted on a stud 28 on the leverV 2,3

is another lever 2 3, which lever is positioned' alongside of lever 2'3 between it and the side wall or like support 3l with the wall 35 disposed horizontally and slightly above the top side of said support. The end of theadhesive strip projects normally upwardly through the opening in the top wall of the casing and the 'lever 23 is normally disposed vertically and has a flat disc 38 of rubber or the like with a curved outer edge 4U on its outer end instead of a n'ger piece as in Fig- Yure 1. The knife I5 is located below the plane of said top wall of the casing.

In using this form of the invention, the operator pushes the box 35 to which adhesive tape is to be applied along the top wall of the casing in the direction of the arrow as shown in Figure 2. At its outer end, lever'29 carriesa .barf 3U Y.

which extends inwardly, over and across the.y strip I9 of tape. Adjacent its inner end, the le-" ver 29Y is formed with an elongated slot-,3l vand "extending through said slot and through an l fopen'ing' 32 in the lever 23 isa stud 33 secured'in :the plate m.

In voperation ofthe machine so far described,

thepartsnormally are in the position shown by ""olid lines in VFigure g Y estrip projecting through the opening at whe rrp/n1;Y ofthe alignmentv withjthe finger piece 26,. Theoperator `places hisfiinger over the end of the strip: and *presses' down on Ythe Vfinger 1,"wth the end of thel adcasing and directly above and in lpiece thereby moving-the lever 23 iabout1its pivot pointagainst whereupon due to the tape will be pulled with the connectionrbe- 29, ,thev latter lever 'round its pivot point 28 withV .the outer end thereof moving down- "wardly, so` that the bar 30 carried thereby strikes the strip of tape .point adjacentto and `,l5 as shown'in Figure with a sharp blow at a is being .heldby the finger against the finger piece 26, the'strip .will be"severed, the severed portion clinging .to the finger of zsequently applied by him to the artlcle.

the' operator to be sub- Uponrelease ofpressure on the V1in-ger piece 26,

the lever 23 willbe'swung upwardlyfunder the iny'uence of spring 2'!v carrying lever 29 along with it tothe normal position of the parts as shown inlFigure l. During this Vingerpiece 26 will engage lextending outwardly beyond the roller 2|Y and upward movement, the

move it upwardly to its normal position as shown f Referring toV Figure whereby the roll of adhesive tape can be readily ,mounted on or removed from the drum and the parts may be readilynspected or repaired and reloaded with tape.

Avmodication of the invention is shown in For convenience and clearness,

stantially the same as in inwardly of the knife edge Lfand as thestrp of tape4 the portionof the strip 1, the plate I0 and its ass'ociatedparts can be swung upwardly and rear- ,'wardlygaboutits` pivot pin 9 clear of the casing walls vand base tothe dotted line'position shown 6 whereupon the adhesive tape is pressed between the disc 38 and the end of the boxlso that the tape isadhesively attached to the box. Then the operator continues to move the box in the same direction against the influence of the spring 21 whichcauses the disc to be moved by and with Vthe box Vuntil the disc and lever end is forced forwardly and Vdownwardly throughv the opening ,as shown by dot and dash lines7 pulling the adhesive tape along into contact with the knife I5.V

During this movement of the lever 23, the'strik- Aing lever 29 is actuated and strikes against the tape thereby ysevering the same. At the same VYtime, the. curved edge of the'disc wipes over the .only by the state ofthe prior art and the ed claims. Y

severed piece of tape to securely attach the 'latter to the box. When the box is lifted by the operator, the lever 23 will be swung in the other direction under the influence of spring 2 1, pushing the adhesive tape before itesc Vas to again project the end of the strip through the opening in thel top of the casing. Y

Changes in details of construction might be resorted to without departing from the scope and spirit of the invention and Iy desire to be limited append- What I claim is: l. In a machine' ofthe `character described, a

,roll of adhesive tape, means for feeding said tape longitudinallyto locate its free end-portion in a predetermined position to be received by the zfinger o f the operator, said feeding means including a pivoted Vlever having its free end normally positioned under and adjacent the free end ofthe tape whereby said tape end is adapted to be held between the finger and lever end, the pivot point of said leverand the point of rotation of said roll beingso positioned relatively that upon manual movement of the lever by the finger pressing upon said tape end, said strip of tapeV will be pulled longitudinally to said predetermined position.

v2. A machine of, the character described comprising a casing, means in said casing forY rotatably supporting a roll of adhesivetapehaving a pressure-sensitive adhesive on one side exposed. means for feeding said `tape longitudinally to vlocate its free endA portionrin a predetermined Y position to be received by the'finger of the operator, said feeding means including a pivoted lever having its pivot point disposed eccentrically of the point of rotation of said tape and having one end normally positioned undery and adjacent the free end of the tape whereby said tape end is with the exception that the side of the casing throughwhich the lever 23 projects has a flat or straight ange or wall 35 along which may be 'slid a package 36 to which tape is to be app1ied. 'The casing may be set in a hole in a table topt v adapted to be heldbetween the finger and lever end, a knife supported in said casing, a Vstriking lever pivotally mounted on said feeding lever and a slot and stud connection between said striking lever and said frame wherebyY upon manual movement ofthe feeding leverby thev finger the striking lever is moved in 'an arcuate path for striking the tape adjacent said knife to sever said tape.

3. A machine as defined in claim 2 characterized by spring means for restoring the parts to normal position.

4. A machine of the character described comprising a casing having a front opening, a supporting plate in said casing, means on said plate for rotatably supporting a roll of adhesive tape having a pressure-sensitive adhesive on one side exposed, means for. feeding said tape longitudinally to locate its free end portion in said front opening to be received by the finger of the operator including a lever having one end pivotally connected to said plate and its other free end protruding through said opening, a linger piece on said protruding end and positioned under and adjacent the free end of the tape whereby said tape end is adapted to be held between the finger and said finger piece, the point of rotation of said roll and the pivot point of said lever being so disposed relatively that upon manual movement of the lever by the nger pressing said tape end, said tape is pulled longitudinally and in an arcuate path, a knife on said plate in the path of arcuate movementl of said tape, a striking lever pivotally mounted on said feeding lever and a slot and stud connection between said levers whereby` movement of the feeding lever is imparted to the striking lever for striking the tape adjacent said knife to sever the tape.

5. A machine of the kind defined in claim 4 characterized by a spiral spring having one end fastened to the plate and its other end fastened to the feeding lever for restoring the parts to normal position.

6. A machine of the character described comprising a support for a supply of tape with one end portion free, and means for feeding a predetermined quantity of such tape including a member movable toward and away from said roll support and against which said free end portion may be pressed so that said member and said tape will move together and pull tape from a supply on said support, and means for severing the tape including a knife blade and a striker actuated by said member for forcing the tape into contact with said blade.

7. A machine of the character described comprising a support for a supply of tape with one end portion free, and means for severing a predetermined quantity of such tape including a lever having its swinging end normally located beneath said end portion of said tape so that said tape may be pressed against said lever to move therewith, said lever being pivoted relatively to said support so that when said tapeis pressed against said lever and with sufficient force to swing said lever in one direction a predetermined distance a predetermined. amountV of tape will be pulled from said supply, and means for severing said tape at a predetermined instant during said movement of said lever.

8. A machine of the characterl described, comprising means for supporting a roll of adhesive strip material with its free end portion in a predetermined position to be engaged by an article upon movement of the latter in one direction, means for applyinga piece of said strip material to said article including a feeding lever having its free end normally disposed at the side of said f free end portion of said strip material opposite said article so that said strip material will be pressed between said article and said lever and adhesively attached to said article upon movement of the article in one direction, said lever being movable by and with said article during continuation of said movement of said article so that said strip material will be pulled fromv lever actuated by said feeding lever for forcing said strip material into engagement with said knife blade.

9. A machine of the character described, comprising means for supporting a roll of adhesive strip material with its free end portion in a predetermined position to be engaged by an article upon movement kof the latter in one direction, -means for applying a piece of said strip material to said article including a feeding lever having its free end normally disposed at the side of said free end portion of said strip material opposite said article so that. said strip material will be pressed between said article and said lever and adhesively attached to said article upon movement of the article in one direction, said lever Y rial at a point lbetween said roll and the portion of said strip attached to said article, said severing means including two relatively movable parts one of which is a knife blade and the other of which is actuated by said feeding lever.

10. The machine set forth in claim '7 wherein said severing means includes two relatively movable parts, one of which is a knife blade and the other of which is actuated by said lever.

, 11. The machine set forth in claim '7,` wherein said severing means includes a knife blade and a striking element actuated by said lever for forcing said strip material into engagement with said knife blade.

12. Ina machine of the character described, the combination with a roll of adhesive tape with one end of the tape projecting freely from the roll, of means for feeding said tape longitudinally, said feeding means including a pivoted feeding lever having its free end normally positioned adjacent the free end of the tape, said roll and said lever being so disposed relatively that upon manual movement of the lever in one direction with the end of said tape held against movement relatively to said lever, said tape will be pulled longitudinally and unrolled from the roll, means ving lever for striking thetape adjacent the knife.

LEROY L. SALFISBERG, l

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