US3788581A - Machine support base - Google Patents

Machine support base Download PDF

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Publication number
US3788581A
US3788581A US00269111A US3788581DA US3788581A US 3788581 A US3788581 A US 3788581A US 00269111 A US00269111 A US 00269111A US 3788581D A US3788581D A US 3788581DA US 3788581 A US3788581 A US 3788581A
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base
wall
shell
offset
supporting
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US00269111A
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J Rutzick
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • F16F9/306—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations

Definitions

  • a base suppmmg and f ,washmg chines in domestic or commerc1al laundnes includes a [56] References Cited drain system for controlling spills and is vibration- UNITED STATES PATENTS dampening- 2,641,426 /1953 Ranscher 248/22 5 Claims, 3 Drawing Figures 1 MACHINE SUPPORT BASE This invention relates to machine supports and has particular reference to supports for washing machines as used in domestic laundries and more especially in commercial laundries orlaundromats having several independently operated units. 8
  • the present invention provides for improved control of vibration and reduction of noise level as well as a convenient overflow or drain system for caring for spills or leaks occurring during use of the machine.
  • a supporting base which serves also as a pan or receptacle-for receiving spilled liquids.
  • the base is resilient to absorb vibration but is adequately strong and rugged to support the fully loaded machine under substantially all operating conditions without failure. Collection and drain facilities associated with the base permit the easyv handling of liquids not otherwise disposed of.
  • FIG. 1 is a plan view of a presently preferred form of supportingbase
  • FIG. 2 is a sectional elevational mately at line 2-2 of FIG. 1, and
  • FIG. 3 is a view in elevation of an optional central plug member. j
  • the base has a generally square outline and comprises a thin shell or skinl l, a resilient plastic filler l2, and a drainage tube 13,
  • Theshell 11 has a deep outer view taken approxiwall 14', a shallow inner wall 16, a narrow upper periphtube 13 is of the same polymer and has an inside diameter of three-eighths inch.
  • Blocks of three-eighths inch plywood have been found suitable for use as inserts 20, and the entire structure is filled with resilient plastic 12 which may preferably be a firm polyurethane foam.
  • resilient plastic 12 which may preferably be a firm polyurethane foam.
  • Suitable core members held in place during application and hardening of the foam composition are subsequently removed to provide the opening 18.
  • the plug 24 may itself be formed of dense polyurethane foam or of other rubbery waterproof material.
  • the base may be connected to a permanent drain system using suitable pipe fittings filling the opening 18, in which event the tube 13 may be sealed either with a suitable stopper or by filling the offset 21 with a selfhardening waterproof sealing compound.
  • the plug 24 may be sealed within the opening 18 and the outer end of the tube 13 then connected to a suitable drain, e.g. by 'means of flexible tubing.
  • the base as above described may have over-all dimensions of 32% X 32% X 4% inches.
  • the edge 15 is 1% inch in width.
  • the circular indents 19 are 4 inches in diameter and are centered at the comers of a square which is 23% inches on aside. They are reinforced with 4 X 4 X 36inch plywood squares.
  • the central opening 18 has a major diameter of 4% inches, and the offset end wall 22 is 4% inches from the center of the opening.
  • the washing machine fits closely within the raised walls of the base, with its supporting legs on the flat indents 19.
  • the rigid blocks 20 distribute the weight of the machine evenly over a relatively large area and prevent any undue distortion of the supporting resilient fillerQAt the same time,'the:filler absorbs much of the vibration transmitted to it-from the machine, resulting iri-increased smoothness of operation and reduction in noise level. Any. liquid lost from the machine by leakeral edge 15 connecting'the two, and a bottom 17 slopin g gently downwardly from'the lower edge of the inner wall 16 to a central circular opening 18 somewhat above the level of the botto mjedge of the outer wall 14.
  • the sloping surface 17 is depressed in one quadrant adjacent the central opening 18 to form a narrow.
  • offset 21 sloping downwardly from the opening toward the adjacent side of the base.
  • a drainage tube 13 extends from the vertical end wall 22 of the offset 21 through the adjacent outer upright wall 14, and at a downward slant as shown in FIG. 2.
  • the opening 18 is centrally constricted to a reduced diameter as shown at 23 in FIG. 2, and a plug 24 closely fitting the reduced diameter may be inserted in the opening from beneath, leaving a shallow circular depression connecting with the offset 21.
  • the plug may be omitted and the tube 13 may then be stoppered or sealed off within the offset.
  • the shell 11 may be formed of metal but more conve- .niently is vacuum drawn from plastic sheeting. Polyviage or spillage collects within the open top of the base and is removed through the drainage system.
  • a base for supporting a washing machine comprising: a thin shell having a generally rectangular periphnyl chloride, polyethylene or polypropylene,.and acrylonjtrile-butadiene-styren'e terpolyrner are useful materials for such purposes, the last-named in thickness of about one-tenth inch being presently preferred.
  • cry including a deep outer wall, a shallow inner wall, a narrow upper peripheral edge connecting said inner and outer walls, a bottom sloping from the lower edge of said inner wall downwardly to a central opening and having coplanar flat indents, one near each corner of said bottom, and a narrow offset sloping from said opening toward the bottom of said outer wall centrally of one side of said base; rigid flat reinforcing panels, one directly beneath each of said indents; a drainage tube extending from said offset downwardly toward and through the adjacent outer wall of said shell; and a resilient filler filling said shell, surrounding said tube, and supporting said panels.
  • Base of claim 1 wherein is included a stopper for stopping said drainage tube.

Abstract

A base for supporting and stabilizing washing machines in domestic or commercial laundries includes a drain system for controlling spills and is vibration-dampening.

Description

lite States Patent 1 [111 39738531 ntzicik Jan. 29, I974 MACHINE SUPPORT BASE 2,781,651 2/1957 Cutter 248/346.1
[76] Inventor: James L. Rutzick, I540 Goodrick FOREIGN PATENTS OR APPLICATIONS Ave., St. Paul, Minn. 55105 487,534 9/1928 Germany 248/346.l [22] Filed: JulyS, 1972 [21] Appl, N(J,: 269,111 Primary Examiner-William H. Schultz [52] US. Cl. 248/22 [57] ABSTRACT [5]] Int. Cl. Fl6m 13/00 581 Field of Search. 248/21, 22, 346.1, 350, 358 R A base suppmmg and f ,washmg chines in domestic or commerc1al laundnes includes a [56] References Cited drain system for controlling spills and is vibration- UNITED STATES PATENTS dampening- 2,641,426 /1953 Ranscher 248/22 5 Claims, 3 Drawing Figures 1 MACHINE SUPPORT BASE This invention relates to machine supports and has particular reference to supports for washing machines as used in domestic laundries and more especially in commercial laundries orlaundromats having several independently operated units. 8
Modern laundry machines operating on awash, rinse and spin dry cycle generate a considerable amount of vibration, only a portion of which can be compensated for within the machine, so that considerable noise frequently results. Particularlywhen used by many different operators, as in a laundromat, the machines are subject to frequent spills or leaks, due to failure of hose connections, use of excessive'amounts of detergents, or other causes. i
The present invention provides for improved control of vibration and reduction of noise level as well as a convenient overflow or drain system for caring for spills or leaks occurring during use of the machine.
There is provided a supporting base which serves also as a pan or receptacle-for receiving spilled liquids. The base is resilient to absorb vibration but is adequately strong and rugged to support the fully loaded machine under substantially all operating conditions without failure. Collection and drain facilities associated with the base permit the easyv handling of liquids not otherwise disposed of.
In the drawing,
FIG. 1 is a plan view of a presently preferred form of supportingbase,
FIG. 2 is a sectional elevational mately at line 2-2 of FIG. 1, and
FIG. 3 is a view in elevation of an optional central plug member. j
The base has a generally square outline and comprises a thin shell or skinl l, a resilient plastic filler l2, and a drainage tube 13, Theshell 11 has a deep outer view taken approxiwall 14', a shallow inner wall 16, a narrow upper periphtube 13 is of the same polymer and has an inside diameter of three-eighths inch. Blocks of three-eighths inch plywood have been found suitable for use as inserts 20, and the entire structure is filled with resilient plastic 12 which may preferably be a firm polyurethane foam. Suitable core members held in place during application and hardening of the foam composition are subsequently removed to provide the opening 18. The plug 24 may itself be formed of dense polyurethane foam or of other rubbery waterproof material.
The base may be connected to a permanent drain system using suitable pipe fittings filling the opening 18, in which event the tube 13 may be sealed either with a suitable stopper or by filling the offset 21 with a selfhardening waterproof sealing compound. Alternatively, the plug 24 may be sealed within the opening 18 and the outer end of the tube 13 then connected to a suitable drain, e.g. by 'means of flexible tubing.
For use with popular brands of washing machines, the base as above described may have over-all dimensions of 32% X 32% X 4% inches. The edge 15 is 1% inch in width. The circular indents 19 are 4 inches in diameter and are centered at the comers of a square which is 23% inches on aside. They are reinforced with 4 X 4 X 36inch plywood squares. The central opening 18 has a major diameter of 4% inches, and the offset end wall 22 is 4% inches from the center of the opening.
The washing machine fits closely within the raised walls of the base, with its supporting legs on the flat indents 19. The rigid blocks 20 distribute the weight of the machine evenly over a relatively large area and prevent any undue distortion of the supporting resilient fillerQAt the same time,'the:filler absorbs much of the vibration transmitted to it-from the machine, resulting iri-increased smoothness of operation and reduction in noise level. Any. liquid lost from the machine by leakeral edge 15 connecting'the two, and a bottom 17 slopin g gently downwardly from'the lower edge of the inner wall 16 to a central circular opening 18 somewhat above the level of the botto mjedge of the outer wall 14. Circular coplanar flat indents 19 just inside each comer rest on square rigid flat reinforcing inserts 20 as illustrated in cross-section in FlG'. 2. The sloping surface 17 is depressed in one quadrant adjacent the central opening 18 to form a narrow. offset 21 sloping downwardly from the opening toward the adjacent side of the base. A drainage tube 13 extends from the vertical end wall 22 of the offset 21 through the adjacent outer upright wall 14, and at a downward slant as shown in FIG. 2.
j The opening 18 is centrally constricted to a reduced diameter as shown at 23 in FIG. 2, and a plug 24 closely fitting the reduced diameter may be inserted in the opening from beneath, leaving a shallow circular depression connecting with the offset 21. Alternatively, the plug may be omitted and the tube 13 may then be stoppered or sealed off within the offset.
The shell 11 may be formed of metal but more conve- .niently is vacuum drawn from plastic sheeting. Polyviage or spillage collects within the open top of the base and is removed through the drainage system.
What is claimed is as follows:
1. A base for supporting a washing machine, comprising: a thin shell having a generally rectangular periphnyl chloride, polyethylene or polypropylene,.and acrylonjtrile-butadiene-styren'e terpolyrner are useful materials for such purposes, the last-named in thickness of about one-tenth inch being presently preferred. The
cry and including a deep outer wall, a shallow inner wall, a narrow upper peripheral edge connecting said inner and outer walls, a bottom sloping from the lower edge of said inner wall downwardly to a central opening and having coplanar flat indents, one near each corner of said bottom, and a narrow offset sloping from said opening toward the bottom of said outer wall centrally of one side of said base; rigid flat reinforcing panels, one directly beneath each of said indents; a drainage tube extending from said offset downwardly toward and through the adjacent outer wall of said shell; and a resilient filler filling said shell, surrounding said tube, and supporting said panels.
2. Base of claim 1 wherein is included a plug for plugging said central opening below. said offset.
3. Base of claim 1 wherein is included a stopper for stopping said drainage tube.
4; Base of claim 1 wherein said shell is of semirigid plastic film material.
5. Base of claim 1 wherein said filleris polyurethane foam.

Claims (5)

1. A base for supporting a washing machine, comprising: a thin shell having a generally rectangular periphery and including a deep outer wall, a shallow inner wall, a narrow upper peripheral edge connecting said inner and outer walls, a bottom sloping from the lower edge of said inner wall downwardly to a central opening and having coplanar flat indents, one near each corner of said bottom, and a narrow offset sloping from said opening toward the bottom of said outer wall centrally of one side of said base; rigid flat reinforcing panels, one directly beneath each of said indents; a drainage tube extending from said offset downwardly toward and through the adjacent outer wall of said shell; and a resilient filler filling said shell, surrounding said tube, and supporting said panels.
2. Base of claim 1 wherein is included a plug for plugging said central opening below said offset.
3. Base of claim 1 wherein is included a stopper for stopping said drainage tube.
4. Base of claim 1 wherein said shell is of semirigid plastic film material.
5. Base of claim 1 wherein said filler is polyurethane foam.
US00269111A 1972-07-05 1972-07-05 Machine support base Expired - Lifetime US3788581A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183495A (en) * 1978-06-19 1980-01-15 Adam Brian D Base support mount for heat pumps and like machinery
US4243197A (en) * 1979-06-25 1981-01-06 Wright Marvin D Pad for protecting floors against water damage
US4369950A (en) * 1980-05-27 1983-01-25 Complete Business Services Corp. Turntable support
US4369949A (en) * 1980-05-27 1983-01-25 Cbs Industries Loudspeaker pedestal
US4403759A (en) * 1980-10-21 1983-09-13 Hicks Chester F Cathodic corrosion resistant pipe saddle with low friction insert
US4577828A (en) * 1984-06-08 1986-03-25 Carrier Corporation Fan coil base pad assembly
WO1991009249A1 (en) * 1989-12-11 1991-06-27 Apt, Inc. Foundation and method preparing or reparing same
US5165651A (en) * 1989-12-11 1992-11-24 Apt, Inc. Machine foundation and method for preparing or repairing a machine foundation
US5190089A (en) * 1991-12-09 1993-03-02 Jackson Gary R Protective collapsible bag assembly for appliance items
US5314041A (en) * 1992-07-06 1994-05-24 Jeffrey Jerrow Sawhorse
US5961093A (en) * 1997-01-14 1999-10-05 Polyvulc Usa, Inc. Support pad for air conditioning condenser unit or the like
US5991940A (en) * 1997-09-18 1999-11-30 Fortier; Denis Base structure for above-ground swimming pool
US6021988A (en) * 1997-04-18 2000-02-08 Robert Bosch Gmbh Housing pan for supporting a fluid delivery pump
US20060144071A1 (en) * 2004-12-30 2006-07-06 Jay Rowland Drain pan with integrated riser
US20080029684A1 (en) * 2006-08-04 2008-02-07 J.F.R. Enterprises Equipment Pad With Integrated Riser
US20090320313A1 (en) * 2006-07-18 2009-12-31 Sang Hun Bae Laundry dryer
US9080786B2 (en) 2011-07-06 2015-07-14 J.F.R. Enterprises, Inc. Drop-front drain pan
US9395034B1 (en) 2006-08-04 2016-07-19 J.F.R. Enterprises, Inc. Equipment pad that includes one or more risers
US9410731B1 (en) 2011-07-06 2016-08-09 J.F.R. Enterprises, Inc. Expandable drain pan
US9605787B2 (en) 2015-02-11 2017-03-28 Timothy Lee Baumann Pump riser
WO2019072563A1 (en) * 2017-10-12 2019-04-18 BSH Hausgeräte GmbH Laundry-care appliance comprising a closing device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE487534C (en) * 1928-09-21 1929-12-09 Liga Gummiwerke A G Pad for writing and similar machines
US2641426A (en) * 1949-03-17 1953-06-09 Easy Washing Machine Corp Motor and transmission compartment for washing machines
US2781651A (en) * 1955-05-02 1957-02-19 Ralph S Cutler Tray

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE487534C (en) * 1928-09-21 1929-12-09 Liga Gummiwerke A G Pad for writing and similar machines
US2641426A (en) * 1949-03-17 1953-06-09 Easy Washing Machine Corp Motor and transmission compartment for washing machines
US2781651A (en) * 1955-05-02 1957-02-19 Ralph S Cutler Tray

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183495A (en) * 1978-06-19 1980-01-15 Adam Brian D Base support mount for heat pumps and like machinery
US4243197A (en) * 1979-06-25 1981-01-06 Wright Marvin D Pad for protecting floors against water damage
US4369950A (en) * 1980-05-27 1983-01-25 Complete Business Services Corp. Turntable support
US4369949A (en) * 1980-05-27 1983-01-25 Cbs Industries Loudspeaker pedestal
US4403759A (en) * 1980-10-21 1983-09-13 Hicks Chester F Cathodic corrosion resistant pipe saddle with low friction insert
US4577828A (en) * 1984-06-08 1986-03-25 Carrier Corporation Fan coil base pad assembly
WO1991009249A1 (en) * 1989-12-11 1991-06-27 Apt, Inc. Foundation and method preparing or reparing same
US5165651A (en) * 1989-12-11 1992-11-24 Apt, Inc. Machine foundation and method for preparing or repairing a machine foundation
US5437430A (en) * 1989-12-11 1995-08-01 Apt, Inc. Method for preparing or repairing a machine foundation
US5611974A (en) * 1989-12-11 1997-03-18 Welch-Sluder Ip Partners Method for preparing or repairing a machine foundation
US5190089A (en) * 1991-12-09 1993-03-02 Jackson Gary R Protective collapsible bag assembly for appliance items
US5314041A (en) * 1992-07-06 1994-05-24 Jeffrey Jerrow Sawhorse
US5961093A (en) * 1997-01-14 1999-10-05 Polyvulc Usa, Inc. Support pad for air conditioning condenser unit or the like
US6021988A (en) * 1997-04-18 2000-02-08 Robert Bosch Gmbh Housing pan for supporting a fluid delivery pump
US5991940A (en) * 1997-09-18 1999-11-30 Fortier; Denis Base structure for above-ground swimming pool
US9074812B2 (en) 2004-12-30 2015-07-07 J.F.R. Enterprises, Inc. Drain pan with integrated riser
US20060144071A1 (en) * 2004-12-30 2006-07-06 Jay Rowland Drain pan with integrated riser
US10753641B2 (en) 2004-12-30 2020-08-25 J.F.R. Enterprises, Inc.. Drain pan with integrated riser
US9557094B2 (en) 2004-12-30 2017-01-31 J. F. R. Enterprises, Inc. Drain pan with integrated riser
US20090320313A1 (en) * 2006-07-18 2009-12-31 Sang Hun Bae Laundry dryer
US8176656B2 (en) * 2006-07-18 2012-05-15 Lg Electronics Inc. Laundry dryer
US9395034B1 (en) 2006-08-04 2016-07-19 J.F.R. Enterprises, Inc. Equipment pad that includes one or more risers
US7891635B2 (en) 2006-08-04 2011-02-22 J.F.R. Enterprises, Inc. Equipment pad with integrated riser
US20080029684A1 (en) * 2006-08-04 2008-02-07 J.F.R. Enterprises Equipment Pad With Integrated Riser
US9080786B2 (en) 2011-07-06 2015-07-14 J.F.R. Enterprises, Inc. Drop-front drain pan
US9410731B1 (en) 2011-07-06 2016-08-09 J.F.R. Enterprises, Inc. Expandable drain pan
US9605787B2 (en) 2015-02-11 2017-03-28 Timothy Lee Baumann Pump riser
WO2019072563A1 (en) * 2017-10-12 2019-04-18 BSH Hausgeräte GmbH Laundry-care appliance comprising a closing device

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