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Wheelchair table

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Publication number
US3915102A
US3915102A US48792674A US3915102A US 3915102 A US3915102 A US 3915102A US 48792674 A US48792674 A US 48792674A US 3915102 A US3915102 A US 3915102A
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US
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Grant
Patent type
Prior art keywords
table
member
shaped
support
top
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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.)
Expired - Lifetime
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Inventor
Daniel Barron
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Peska Lawrence Associates Inc
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Peska Lawrence Associates Inc
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00Tables with tops of variable height
    • A47B9/14Tables with tops of variable height with pins coacting with holes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00General construction of tables or desks
    • A47B2200/13Table and chair assembly for disabled persons, used as workplace

Abstract

A telescoping support assembly with positive locking mechanism for a table designed to stradle a wheelchair enabling a person confined to the wheelchair to position the table in the desired position for feeding, writing or other functions normally performed on a table. The two legged membered telescoping support assemblies are mounted transversely to the ends of the planar table top. For each two legged membered telescoping support assembly a positive lever type locking mechanism is provided.

Description

United States Patent [191 Barron Oct. 28, 1975 WHEELCHAIR TABLE [75] Inventor: Daniel Barron, Midway, Tenn.

[73] Assignee: Lawrence Peska Associates, Inc., New York, NY. a part interest [22] Filed: July 12, 1974 [21] Appl. No.: 487,926

[52] US. Cl. 108/144; 108/146; 248/188.5 [51] Int. Cl. A47B 9/00 [58] Field of Search 108/144, 146; 248/1885 [56] References Cited UNITED STATES PATENTS 843,584 2/1907 Clark 108/146 1,645,683 10/1927 Beck 108/146 X 2,514,524 7/1950 Steele 108/144 UX 2,556,611 6/1951 Borgman 108/144 X 3,027,209 3/1962 Nielsen 108/144 UX 3,108,549 10/1963 Amsler, Jr. 108/146 X 3,137,525 6/1964 Purser, Jr 108/146 X 3,217,672 1l/1965 Haughey 108/146 3,410,232 11/1968 Krueger 108/144 X Primary Examiner-Roy D. Frazier Assistant Examiner-Peter A. Aschenbrenner Attorney, Agent, or FirmRichard E. Nanfeldt [57] ABSTRACT A telescoping support assembly with positive locking mechanism for a table designed to stradle a wheelchair enabling a person confined to the wheelchair to position the table in the desired position for feeding, writing or other functions normally performed on a table. The two legged membered telescoping support assemblies are mounted transversely to the ends of the planar table top. For each two legged membered telescoping support assembly a positive lever type locking mechanism is provided.

4 Claims, 3 Drawing Figures US. Patent 0a. 28, 1975 FIG.2

WHEELCHAIR TABLE SUMMARY OF THE INVENTION My invention relates to a unique and novel concept of a vertical telescoping support assembly with positive rod type locking mechanism for a table designed to straddle a wheelchair enabling a person confined to the wheelchair to position the table in a desired position .for feeding, writing, or other functions normally performed on a table top.

It is known from US. Pat. Nos. 2,749,197; 2,875,007; 3,080,835; and 3,682,112 that vertical telescoping support assemblies have been mounted onto tables, but these telescoping assemblies are not designed to stradle a wheelchair nor do these assemblies have a positive rod type locking mechanism. Furthermore, these previously proposed telescoping support assemblies fail to provide lateral stabilization to the table top as does our present invention.

A major advantage of my invention is that the vertical telescoping support assembly with positive locking mechanism provide a means of easily and safely adjusting the table top for different vertical heights while providing lateral stabilization to the table top.

A rectangular shaped planar table top is mounted transversely on each end onto a pair of two legged membered vertical telescoping support assemblies. Each telescoping support assembly is formed from an upper and lower section. The upper section comprises an open ended U-shaped hollow tubular member with a cross brace member affixed across the legs of the U- shaped member. A scissor type member is mounted within a vertical slot aperature of the cross brace member. Horizontal extension rods extend outward from the legs of the scissor shaped member and insert into a cylinder sleeve contained in a aperature of each leg of the U-shaped member.

BRIEF DESCRIPTION OF THE DRAWINGS The objects and features of the invention may be understood with reference to the following detailed description of an illustrative embodiment of the invention taken together with the accompanying drawing in which:

FIG. 1 illustrates a perspective view of the vertical telescoping leg assembly affixed to the table top;

FIG. 2 illustrates an end elevated view of the vertical telescoping leg assembly affixed to the table top; and

FIG. 3 illustrates a front sectional view of the invention.

DESCRIPTION OF THE PREFERRED EMBODIMENT Turning now descriptively to the drawings in which similar reference characters denote similar elements throughout several views, FIGS. 1-3 illustrate a wheelchair table designed to stradle a wheelchair enabling a person confined to a wheelchair to perform given functions on the table 10. A plastic protective covering 12 forms the top surface of the rectangular shaped planar table top 11 containing a curved cutout portion 13 along one longitudinal edge 14 of the table top 11. The curved cutout portion 13 of the table top 11 allows the table top 11 to be positioned close to the person confined to the wheelchair. An electrical outlet panel 15 is contained within the table top 11. A pair of parallel support bars 16 are longitudinally affixed to the bottom base 17 of the table top 11. The vertical two legged membered telescoping support assemblies 18 are affixedby curved shaped mounting brackets 19 transversely to the bottom base 17 at each end of the table top 11. Each telescoping support assembly 18 comprises an upper 20 and lower 21 section. The lower 21 section comprises a pair of vertical support bar members 22 with a plurality of slot apertures 23 contained along the longitudinal interior faces of each bar 22. Each vertical bar member 22 is mounted to the top surface at the ends of a cross joining beam member 24. A set of casters 25 are mounted to the bottom surface 26 of the cross joining beam member 24. The upper section 20 of the telescoping support assembly 18 comprises an open ended U-shaped hollow tubular member 27 mounted onto the bottom base 17 of each end of the table top 11 by curved shaped mounting brackets 19 such that the legs 28 of the U-shaped member 27 radiates downward from the table top 11. A hollow cylinder 29 is positioned within an aperature 30 contained in the longitudinal interior surface of the legs 28 of the inverted U-shaped member 27. A horizontal cross brace member 31 is affixed across the legs 28 of the U- shaped member 27 at a point equidistant between the base 32 of the inverted U-shaped member 27 and the aperature 30 in the leg 28. A vertical slot aperture 32 is contained in the center of the cross brace member 31. The locking mechanism comprises a vertically placed scissor shaped member 34 mounted on a horizontal rod 35 affixed across aperture 33. A tension spring 35 is mounted between handles 36 of the scissor shaped member 34. A pair of horizontal extension rods 38 extend outward from the vertically placed legs 37 of scissor shaped member 34 passing through cylinder sleeve 29 and terminating in the slot aperture 23 of vertical support bars 22. Vertical support bars 22 insert upward in the open ends of the legs 28 of the inverted U-shaped hollow tubular member 27. When the bandles 36 of the scissor shaped member 34 are compressed together, the horizontal extension rods 38 are retracted from slot apertures 23. This retracting action of the horizontal extension rods 38 allows the upper section 20 to be moved upward or downward in a vertical direction on the lower section 21. A cross joining support 39 is affixed between a leg 28 of an inverted U- shaped hollow tubular member 27 and a second leg 28 of a second inverted U-shaped hollow tubular member 27 such that the cross joining support bar 39 is parallel to the non cutout longitudinal edge 40 of the table top 11.

Since obvious changes may be made in the specific embodiment of the invention described herein, such modifications being within the spirit and scope of the each said leg having on its interior face an aperture therethrough;

c. a pair of cross brace members having center vertically aligned slot apertures therethrough, each said cross brace member communicating between said pair of said legs of each said tubular member;

d. a hollow cylindrically shaped sleeve in each said aperture of each said leg;

e. a pair of horizontally placed cross joining beams;

f. upwardly extending support bars joined to each end of each said cross joining beam, each said support bar having a plurality of equally spaced horizontally aligned slot apertures therein along one longitudinal surface thereof, each said support bar slidably contained into each said open end of each said leg of each said tubular member;

g. a vertically placed scissor shaped member mounted on a horizontal pin in each said vertical slot aperture of each said cross brace member, the

handles of said scissor shaped member extending a set of casters are mounted onto a bottom base of said cross joining beam.

3. A wheelchair table according to claim 1, wherein an electrical outlet panel is contained in said table top.

4. A wheelchair table according to claim 3, wherein a curved shaped bracket communicates between each said leg and said table top.

Claims (4)

1. A wheelchair table, which comprises: a. a rectangularly shaped table top having a curved cutout portion along one longitudinal edge thereof; b. an inverted U-shaped hollow tubular member affixed transversely to a bottom surface of said table top at each end thereof, the open ended legs of each said tubular member extending downwardly, each said leg having on its interior face an aperture therethrough; c. a pair of cross brace members having center vertically aligned slot apertures therethrough, each said cross brace member communicating between said pair of said legs of each said tubular member; d. a hollow cylindrically shaped sleeve in each said aperture of each said leg; e. a pair of horizontally placed cross joining beams; f. upwardly extending support bars joined to each end of each said cross joining beam, each said support bar having a plurality of equally spaced horizontally aligned slot apertures therein along one longitudinal surface thereof, each said support bar slidably contained into each said open end of each said leg of each said tubular member; g. a vertically placed scissor shaped member mounted on a horizontal pin in each said vertical slot aperture of each said cross brace member, the handles of said scissor shaped member extending above said cross brace member and the legs of said scissor shaped member extending below said cross brace member; h. a horizontal extension rod extending outwardly from a lower free end of each said leg of each said scissor shaped member, each said extension rod slidably extending through one said cylindrically shaped sleeve to engage one said horizontal slot aperture of one said support bar; and i. tension springs mounted between said handles of each said scissor shaped member.
2. A wheelchair table as recited in claim 1 in which a set of casters are mounted onto a bottom base of said cross joining beam.
3. A wheelchair table according to claim 1, wherein an electrical outlet panel is contained in said table top.
4. A wheelchair table according to claim 3, wherein a curved shaped bracket communicates between each said leg and said table top.
US3915102A 1974-07-12 1974-07-12 Wheelchair table Expired - Lifetime US3915102A (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010990A (en) * 1974-10-21 1977-03-08 Modular Distribution Systems Limited Goods container for transport purposes
US4049196A (en) * 1976-03-08 1977-09-20 Bergami Jr Samuel S Fireplace heater, circulator, and humidifier system
US4171116A (en) * 1977-03-03 1979-10-16 Beckley-Cardy Company Adjustable and collapsible easel
US4212255A (en) * 1979-04-24 1980-07-15 The Singer Company Sewing machine treadle with a variable length control linkage
US4502393A (en) * 1982-10-08 1985-03-05 Konig & Neurath Kommanditgesellschaft Worktable, particularly an office desk
FR2574976A1 (en) * 1984-12-19 1986-06-20 Leboette Rene Device for protection against radiation
US4619427A (en) * 1984-06-29 1986-10-28 Heinrich Oelschlager Metallwarenfabrik Stand for data display terminals
FR2676902A1 (en) * 1991-05-30 1992-12-04 Brosse Pierre Device for blocking the leg of a table capable of changing from a low position to a high position and vice versa
US5197393A (en) * 1991-05-21 1993-03-30 Vestil Manufacturing Company Lift and tilt post table
EP0592825A2 (en) * 1992-10-15 1994-04-20 GRAHL GmbH Height-adjustable table
US5333929A (en) * 1992-06-02 1994-08-02 Slagerman Engineering Ltd. Wheelchair tray
US5456191A (en) * 1993-06-25 1995-10-10 Hall; Donald M. Adjustable height counter weighted manual lift table
US5562052A (en) * 1995-06-02 1996-10-08 Haworth, Inc. Height-adjustable table
US5769005A (en) * 1995-09-28 1998-06-23 Haynes; Robin Adjustable length table leg for a massage table
US6035589A (en) * 1996-01-23 2000-03-14 Geberit Technik Ag Framework, especially for fastening plumbing units
US6158552A (en) * 1998-08-04 2000-12-12 Gould; Margaret J. Adjustable and locking step stool
US6343556B1 (en) * 1998-11-20 2002-02-05 John S. Lanphear Vertically adjustable table
US6874432B2 (en) 1998-11-20 2005-04-05 John S. Lanphear Vertically adjustable table
US20050206114A1 (en) * 2004-03-16 2005-09-22 Michelau Frederick J Adjustable seat for a children's ride-on vehicle
US20070164551A1 (en) * 2004-07-02 2007-07-19 Andon Malone Snow pole and snowboard binding combination
US7469584B1 (en) * 2007-08-10 2008-12-30 Subnick Howard D Adjustable liquid gauge
US20090293778A1 (en) * 2008-05-28 2009-12-03 Paul Branch Support structure for a table
US20110053713A1 (en) * 2009-08-25 2011-03-03 Bulloch Ronald C Rebounding apparatus
USD754988S1 (en) 2015-02-25 2016-05-03 Lonnie D. FOUNTAIN, JR. Lap-supported device
US9380865B2 (en) * 2014-10-06 2016-07-05 The Marvel Group, Inc. Adjustable pneumatic desk
US9510673B2 (en) 2014-04-25 2016-12-06 Lonnie D. FOUNTAIN, JR. Positionally restrained lap-supported devices

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US843584A (en) * 1905-10-05 1907-02-12 James Patrick Clark Adjustable piano seat or bench.
US1645683A (en) * 1926-04-21 1927-10-18 Beck John Combination article of furniture
US2514524A (en) * 1947-02-18 1950-07-11 Orville D Steele Adjustable high chair
US2556611A (en) * 1946-10-15 1951-06-12 Anthony J Borgman Adjustable scaffold
US3027209A (en) * 1959-07-28 1962-03-27 Harold R Nielsen Adjustable leg units
US3108549A (en) * 1961-04-12 1963-10-29 Jr Fred R Amsler Chair desk
US3137525A (en) * 1962-03-13 1964-06-16 Jr Fred H Purser Adjustable seat
US3217672A (en) * 1964-06-01 1965-11-16 Donald O Haughey Vertically adjustable table
US3410232A (en) * 1966-08-03 1968-11-12 Allison F. Krueger Height adjustment lock for table legs

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US843584A (en) * 1905-10-05 1907-02-12 James Patrick Clark Adjustable piano seat or bench.
US1645683A (en) * 1926-04-21 1927-10-18 Beck John Combination article of furniture
US2556611A (en) * 1946-10-15 1951-06-12 Anthony J Borgman Adjustable scaffold
US2514524A (en) * 1947-02-18 1950-07-11 Orville D Steele Adjustable high chair
US3027209A (en) * 1959-07-28 1962-03-27 Harold R Nielsen Adjustable leg units
US3108549A (en) * 1961-04-12 1963-10-29 Jr Fred R Amsler Chair desk
US3137525A (en) * 1962-03-13 1964-06-16 Jr Fred H Purser Adjustable seat
US3217672A (en) * 1964-06-01 1965-11-16 Donald O Haughey Vertically adjustable table
US3410232A (en) * 1966-08-03 1968-11-12 Allison F. Krueger Height adjustment lock for table legs

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010990A (en) * 1974-10-21 1977-03-08 Modular Distribution Systems Limited Goods container for transport purposes
US4049196A (en) * 1976-03-08 1977-09-20 Bergami Jr Samuel S Fireplace heater, circulator, and humidifier system
US4171116A (en) * 1977-03-03 1979-10-16 Beckley-Cardy Company Adjustable and collapsible easel
US4212255A (en) * 1979-04-24 1980-07-15 The Singer Company Sewing machine treadle with a variable length control linkage
US4502393A (en) * 1982-10-08 1985-03-05 Konig & Neurath Kommanditgesellschaft Worktable, particularly an office desk
US4619427A (en) * 1984-06-29 1986-10-28 Heinrich Oelschlager Metallwarenfabrik Stand for data display terminals
FR2574976A1 (en) * 1984-12-19 1986-06-20 Leboette Rene Device for protection against radiation
US5197393A (en) * 1991-05-21 1993-03-30 Vestil Manufacturing Company Lift and tilt post table
FR2676902A1 (en) * 1991-05-30 1992-12-04 Brosse Pierre Device for blocking the leg of a table capable of changing from a low position to a high position and vice versa
US5333929A (en) * 1992-06-02 1994-08-02 Slagerman Engineering Ltd. Wheelchair tray
EP0592825A2 (en) * 1992-10-15 1994-04-20 GRAHL GmbH Height-adjustable table
US5427035A (en) * 1992-10-15 1995-06-27 Grahl Gmbh Height-adjustable table
EP0592825A3 (en) * 1992-10-15 1998-01-21 GRAHL GmbH Height-adjustable table
US5456191A (en) * 1993-06-25 1995-10-10 Hall; Donald M. Adjustable height counter weighted manual lift table
US5562052A (en) * 1995-06-02 1996-10-08 Haworth, Inc. Height-adjustable table
US5769005A (en) * 1995-09-28 1998-06-23 Haynes; Robin Adjustable length table leg for a massage table
US6035589A (en) * 1996-01-23 2000-03-14 Geberit Technik Ag Framework, especially for fastening plumbing units
US6158552A (en) * 1998-08-04 2000-12-12 Gould; Margaret J. Adjustable and locking step stool
US6343556B1 (en) * 1998-11-20 2002-02-05 John S. Lanphear Vertically adjustable table
US6874432B2 (en) 1998-11-20 2005-04-05 John S. Lanphear Vertically adjustable table
US7722068B2 (en) 2004-03-16 2010-05-25 Radio Flyer Inc. Adjustable seat for a children's ride-on vehicle
US20050206114A1 (en) * 2004-03-16 2005-09-22 Michelau Frederick J Adjustable seat for a children's ride-on vehicle
US20070164551A1 (en) * 2004-07-02 2007-07-19 Andon Malone Snow pole and snowboard binding combination
US7658413B2 (en) * 2004-07-02 2010-02-09 Andon Malone Retractable snow pole and snowboard binding combination
US7469584B1 (en) * 2007-08-10 2008-12-30 Subnick Howard D Adjustable liquid gauge
US20090293778A1 (en) * 2008-05-28 2009-12-03 Paul Branch Support structure for a table
US20110053713A1 (en) * 2009-08-25 2011-03-03 Bulloch Ronald C Rebounding apparatus
US8496546B2 (en) * 2009-08-25 2013-07-30 Ronald C. Bulloch Rebounding apparatus
US9510673B2 (en) 2014-04-25 2016-12-06 Lonnie D. FOUNTAIN, JR. Positionally restrained lap-supported devices
US9380865B2 (en) * 2014-10-06 2016-07-05 The Marvel Group, Inc. Adjustable pneumatic desk
USD754988S1 (en) 2015-02-25 2016-05-03 Lonnie D. FOUNTAIN, JR. Lap-supported device

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