US3342445A - Plastic foot for tubular-type chair leg - Google Patents
Plastic foot for tubular-type chair leg Download PDFInfo
- Publication number
- US3342445A US3342445A US481683A US48168365A US3342445A US 3342445 A US3342445 A US 3342445A US 481683 A US481683 A US 481683A US 48168365 A US48168365 A US 48168365A US 3342445 A US3342445 A US 3342445A
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- United States
- Prior art keywords
- foot
- neck
- tubular
- pin
- segments
- Prior art date
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-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
Definitions
- An inclined tubular chair leg is provided with a plastic foot having a generally horizontal base and with an upwardlyand rearwardly-inclined attachment neck which is received within the leg tube.
- the foot has an upwardlyand rearwardly-inclined passage communicating with the narrowed passage between the segments, and an expansion pin of uniform diameter is extended through the passage in the foot and neck segments, expanding the neck segments into gripping contact with the tube.
- the bottom of the foot is provided with a glider, and the pin has its lower end aligned with the glider or integrally formed with the glider. The pin extends through the body of the foot and the neck portion to reinforce them and the foot is free of vertical compression.
- a plastic foot for receiving the lower end of the leg and supporting it, with the bottom of the foot being generally horizontal for engagement with a glider resting on the floor.
- a pin of uniform diameter extends through the foot, with the bottom thereof aligned or formed integrally with the glider.
- the upper portion of the plastic foot is provided with a neck having expansion segments with an internal narrowed passage, and the segments are forced outwardly by the pin into gripping contact with the chair leg.
- the foot is free of compression except for the area of the neck which is forced outwardly against the tubular wall of the le Reinforcement of the plastic body throughout its length is accomplished by the pin which extends outwardly into alignment with the glider and preferably is formed integrally with the glider.
- This invention relates to a plastic foot for a tubulartype chair leg, and is particularly useful in providing a sound-dampening base for tubular chairs and the like.
- An object of the invention is to provide in combination with the tubular leg of a chair or the like, a plastic foot or base equipped with a glider.
- a further object is to provide a glider support for the tubular legs of chairs, etc. having new and important properties.
- a still further object is to provide a tapered or inclined foot member received within the tubular leg of a chair and providing a horizontal mount for a glider wherein the inclined attachment portion under substantial pressure minimizes the noise created by the glidesliding on the floor from being transmitted to the leg and thus magnified in intensity by the metal leg tube.
- FIGURE 1 is a perspective view of a chair having its tubular legs equipped with glider supports embodying my invention
- FIG. 2 a broken side view in elevation on on enlarged scale of a chair leg equipped with a glider
- FIG. 3 a front view in elevation
- FIG. 4 a broken vertical sectional view of the chair leg with a pin about to be inserted, the section being taken as indicated at line 3,342,445 Patented Sept. 19, 1967 4-4 of FIG. 3
- FIG. 5 a View similar to FIG. 4 but showing the expansion pin in position
- FIG. 6, a top view the view being taken as indicated at line 6-6 of FIG. 4;
- FIG. 7 a bottom plan view of the plastic foot with the glide shell or button removed;
- FIG. 8 a view similar to FIG. 4 but showing a modified form of the invention;
- FIG. 9, a view similar to FIG. 8 but showing the integral glider shell and expansion pin in expanding position;
- FIG. 10, a bottom plan view of the foot structure shown in FIG. 8.
- 10 designates a chair equipped with tubular legs 11.
- a plastic foot 12 is provided with a tapered skirt 13 terminating in a horizontal base portion 14. Integrally connected with the skirt portion 13 is a tapered attachment neck portion 15 which is divided to form segments 16, as shown best in FIG. 6.
- the tapered neck 15 is received within the lower portion of the tube 11 which normally is tapered downwardly and inwardly, as shown best in FIG. 4.
- the neck portion 15 has a central passage 17 which is somewhat constricted and which merges at its bottom into an enlarged expansion pin passage 18 within the skirt portion 13 of the plastic foot 12.
- An expansion pin 19 of plastic, metal or other suitable material may be driven into the passageways 18 and 17 to expand the segments 16 into gripping contact with the lower end portion of the chair leg 11, as shown best in FIG. 5.
- the base portion 14 of the plastic foot 12 is provided with a tubular extension 20 on one side of the base, as seen best in FIGS. 4 and 7, to provide a guide for the insertion of the expansion pin 19.
- integralally formed with the base of the foot 12 are depending shell portions which are utilized for securing a metal glide or button 21 upon the foot.
- On the other side of the base there are two ring segments 23 and 24 which are somewhat thicker than the segment 22. The segments yield to permit the metal glide 21 to be snapped over them for securing the glide in position.
- the plastic foot 12 may be formed of any suitable plastic material, such as, for example, polyethylene, polypropylene, etc., and the pin 19 may be formed of the same material or any suitable plastic or metal material.
- the metal foot 12a is provided at its bottom with a recess 25.
- the foot 12a is similar to the foot 12 heretofore described.
- a metal expansion pin 26 is provided, and formed integrally with the base of the pin 26 is a metal glide 27.
- the pin 26 is driven into position, as shown in FIG. 9, the pin not only serves to expand the neck portion 15a into gripping engagement with the leg 11a, but also the friction is suflicient to retain on the base of the foot 12a the integral glide or button 27.
- the integral members 26 and 27 may be formed of plastic, composition material, or any other suitable material, I prefer to form these parts of metal.
- the tapered arrangement of the neck in expanded position and in gripping arrangement with the tubular chair glide is eifective in dampening noise which is generated by the sliding of the glide on the floor and which ordinarily would be magnified by the tubular leg portions of the chair.
- Such angular arrangement has also other advantages in providing a sturdy, slightly-yielding support for the chair legs while at the same time promoting easy gliding action.
- plastic foot having a generally horizontal :base and an upwardlyand rearwardly-inclined attachment neck portion received within the leg tube, said neck being divided to provide expansion segments, said foot having an upwardlyand rearwardly-inclined passage therethrough and having a portion thereof extending through said neck nar rowed between said expansion segments, a glider anchored to the bottom portion of said foot, and an expansion pin of generally uniform diameter extending through said passage and expanding said neck segments into gripping contact with said tube, said pin extending also downwardly into horizontal alignment with said glider.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
06 41119471114), awe/71mm ATTORNEY WITNESS United States Patent ()fiice 3,342,445 PLASTIC FOOT FOR TUBULAR-TYPE CHAIR LEG Harvey L. Bouwkamp, Grand Rapids, Mich., assignor to American Seating Company, Grand Rapids, Mich., a
corporation of New Jersey Filed Aug. 23, 1965, Ser. No. 481,683 3 Claims. (Cl. 148-1889) ABSTRACT OF THE DISCLOSURE An inclined tubular chair leg is provided with a plastic foot having a generally horizontal base and with an upwardlyand rearwardly-inclined attachment neck which is received within the leg tube. The neck is divided to provide expansion segments, the neck having an internal passage =which narrows between the segments. The foot has an upwardlyand rearwardly-inclined passage communicating with the narrowed passage between the segments, and an expansion pin of uniform diameter is extended through the passage in the foot and neck segments, expanding the neck segments into gripping contact with the tube. The bottom of the foot is provided with a glider, and the pin has its lower end aligned with the glider or integrally formed with the glider. The pin extends through the body of the foot and the neck portion to reinforce them and the foot is free of vertical compression.
Brief summary of the invention In combination with a chair having an inclined leg portion, there is provided a plastic foot for receiving the lower end of the leg and supporting it, with the bottom of the foot being generally horizontal for engagement with a glider resting on the floor. A pin of uniform diameter extends through the foot, with the bottom thereof aligned or formed integrally with the glider. The upper portion of the plastic foot is provided with a neck having expansion segments with an internal narrowed passage, and the segments are forced outwardly by the pin into gripping contact with the chair leg. The foot is free of compression except for the area of the neck which is forced outwardly against the tubular wall of the le Reinforcement of the plastic body throughout its length is accomplished by the pin which extends outwardly into alignment with the glider and preferably is formed integrally with the glider.
This invention relates to a plastic foot for a tubulartype chair leg, and is particularly useful in providing a sound-dampening base for tubular chairs and the like.
An object of the invention is to provide in combination with the tubular leg of a chair or the like, a plastic foot or base equipped with a glider. A further object is to provide a glider support for the tubular legs of chairs, etc. having new and important properties. A still further object is to provide a tapered or inclined foot member received within the tubular leg of a chair and providing a horizontal mount for a glider wherein the inclined attachment portion under substantial pressure minimizes the noise created by the glidesliding on the floor from being transmitted to the leg and thus magnified in intensity by the metal leg tube. Other specific objects and advantages will appear as the specification proceeds.
The invention is shown, in an illustrative embodiment, by the accompanying drawing, in which FIGURE 1 is a perspective view of a chair having its tubular legs equipped with glider supports embodying my invention; FIG. 2, a broken side view in elevation on on enlarged scale of a chair leg equipped with a glider; FIG. 3, a front view in elevation; FIG. 4, a broken vertical sectional view of the chair leg with a pin about to be inserted, the section being taken as indicated at line 3,342,445 Patented Sept. 19, 1967 4-4 of FIG. 3; FIG. 5, a View similar to FIG. 4 but showing the expansion pin in position; FIG. 6, a top view the view being taken as indicated at line 6-6 of FIG. 4; FIG. 7, a bottom plan view of the plastic foot with the glide shell or button removed; FIG. 8, a view similar to FIG. 4 but showing a modified form of the invention; FIG. 9, a view similar to FIG. 8 but showing the integral glider shell and expansion pin in expanding position; and FIG. 10, a bottom plan view of the foot structure shown in FIG. 8.
In the illustration given in FIGS. 1 to 7, inclusive, 10 designates a chair equipped with tubular legs 11.
A plastic foot 12 is provided with a tapered skirt 13 terminating in a horizontal base portion 14. Integrally connected with the skirt portion 13 is a tapered attachment neck portion 15 which is divided to form segments 16, as shown best in FIG. 6. The tapered neck 15 is received within the lower portion of the tube 11 which normally is tapered downwardly and inwardly, as shown best in FIG. 4. The neck portion 15 has a central passage 17 which is somewhat constricted and which merges at its bottom into an enlarged expansion pin passage 18 within the skirt portion 13 of the plastic foot 12.
An expansion pin 19 of plastic, metal or other suitable material may be driven into the passageways 18 and 17 to expand the segments 16 into gripping contact with the lower end portion of the chair leg 11, as shown best in FIG. 5.
The base portion 14 of the plastic foot 12 is provided with a tubular extension 20 on one side of the base, as seen best in FIGS. 4 and 7, to provide a guide for the insertion of the expansion pin 19. Integrally formed with the base of the foot 12 are depending shell portions which are utilized for securing a metal glide or button 21 upon the foot. In the illustration given, there is a plastic rim 22 extending about halfway around the base 14 of the foot which is relatively thin. On the other side of the base, there are two ring segments 23 and 24 which are somewhat thicker than the segment 22. The segments yield to permit the metal glide 21 to be snapped over them for securing the glide in position.
The plastic foot 12 may be formed of any suitable plastic material, such as, for example, polyethylene, polypropylene, etc., and the pin 19 may be formed of the same material or any suitable plastic or metal material.
In the modification set out in FIGS, 8-10 inclusive, the metal foot 12a is provided at its bottom with a recess 25. In other respects, the foot 12a is similar to the foot 12 heretofore described. To expand the neck portion 15a into engagement with the chair tube 11a, a metal expansion pin 26 is provided, and formed integrally with the base of the pin 26 is a metal glide 27. When the pin 26 is driven into position, as shown in FIG. 9, the pin not only serves to expand the neck portion 15a into gripping engagement with the leg 11a, but also the friction is suflicient to retain on the base of the foot 12a the integral glide or button 27. While the integral members 26 and 27 may be formed of plastic, composition material, or any other suitable material, I prefer to form these parts of metal.
In all of the structure shown, the tapered arrangement of the neck in expanded position and in gripping arrangement with the tubular chair glide is eifective in dampening noise which is generated by the sliding of the glide on the floor and which ordinarily would be magnified by the tubular leg portions of the chair. Such angular arrangement has also other advantages in providing a sturdy, slightly-yielding support for the chair legs while at the same time promoting easy gliding action.
While in the foregoing specification I have set forth specific structures in considerable detail for the purpose of illustrating embodiments of the invention, it Will be understood that such details may be varied widely by those skilled in the art without departing from the spirit of my invention.
I claim: a
1. In combination with an inclined tubular chair leg, 21 plastic foot having a generally horizontal :base and an upwardlyand rearwardly-inclined attachment neck portion received within the leg tube, said neck being divided to provide expansion segments, said foot having an upwardlyand rearwardly-inclined passage therethrough and having a portion thereof extending through said neck nar rowed between said expansion segments, a glider anchored to the bottom portion of said foot, and an expansion pin of generally uniform diameter extending through said passage and expanding said neck segments into gripping contact with said tube, said pin extending also downwardly into horizontal alignment with said glider.
2. The structure of claim 1 in which said pin is integral with said glider.
3. The structure of claim 1 in which said plastic foot is provided With a tubular expansion on one side of the base providing a guide for the insertion of the expansion pin.
References Cited UNITED STATES PATENTS CHANCELLOR E. HARRIS, Primary Examiner.
Claims (1)
1. IN COMBINATION WITH AN INCLINED TUBULAR CHAIR LEG, A PLASTIC FOOT HAVING A GENERALLY HORIZONTAL BASE AND AN UPWARDLY- AND REARWARDLY-INCLINED ATTACHMENT NECK PORTION RECEIVED WITHIN THE LEG TUBE, SAID NECK BEING DIVIDED TO PROVIDE EXPANSION SEGMENTS, SAID FOOT HAVING AN UPWARDLY- AND REARWARDLY-INCLINED PASSAGE THERETHROUGH AND HAVING A PORTION THEREOF EXTENDING THROUGH SAID NECK NARROWED BETWEEN SAID EXPANSION SEGMENTS, A GUIDE ANCHORED TO THE BOTTOM PORTION OF SAID FOOT, AND AN EXPANSION PIN OF GENERALLY UNIFORM DIAMETER EXTENDING THROUGH SAID PASSAGE AND EXPANDING SAID NECK SEGMENTS INTO GRIPPING CONTACT WITH SAID TUBE, SAID PIN EXTENDING ALSO DOWNWARDLY INTO HORIZONTAL ALIGNMENT WITH SAID GLIDER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US481683A US3342445A (en) | 1965-08-23 | 1965-08-23 | Plastic foot for tubular-type chair leg |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US481683A US3342445A (en) | 1965-08-23 | 1965-08-23 | Plastic foot for tubular-type chair leg |
Publications (1)
Publication Number | Publication Date |
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US3342445A true US3342445A (en) | 1967-09-19 |
Family
ID=23912952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US481683A Expired - Lifetime US3342445A (en) | 1965-08-23 | 1965-08-23 | Plastic foot for tubular-type chair leg |
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US (1) | US3342445A (en) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411823A (en) * | 1967-06-14 | 1968-11-19 | Sico Inc | Seat mounting structure |
US3755853A (en) * | 1971-07-28 | 1973-09-04 | Shelby Williams Ind | Stacking chair glider attachment |
US3955829A (en) * | 1975-03-19 | 1976-05-11 | Bussler Thomas M | Bicycle kickstand support pad |
US4343245A (en) * | 1980-06-02 | 1982-08-10 | Edwards Alwilda N | Support unit for shelving system |
US5009372A (en) * | 1988-05-11 | 1991-04-23 | E. I. Du Pont De Nemours And Company | Roll cassette with spacers for height adjustment |
USD382426S (en) * | 1995-11-01 | 1997-08-19 | Chester Frederick | Foot for legs of a portable seat |
US6623082B1 (en) * | 2002-05-10 | 2003-09-23 | Tsung-Chieh Huang | Ground-contacting block structure of a chair |
US20040093687A1 (en) * | 2002-11-19 | 2004-05-20 | Bushey Richard D. | Furniture glide with tubular flanged grommet fastener |
US20040155510A1 (en) * | 1999-10-19 | 2004-08-12 | Krueger International, Inc. | End-type glide for an article of furniture |
WO2005023052A2 (en) * | 2003-09-05 | 2005-03-17 | Falcon Products, Inc. | Furniture glide |
US20050150076A1 (en) * | 2004-01-13 | 2005-07-14 | Bushey Richard D. | Wrap around furniture guide |
US20060043725A1 (en) * | 2004-08-31 | 2006-03-02 | Bushey Richard D | Slider for heavy loads |
US7234199B2 (en) | 2002-10-16 | 2007-06-26 | Bushey Richard D | Self adjusting furniture guide |
US20100038951A1 (en) * | 2008-08-15 | 2010-02-18 | Tung-Hua Su | Chair frame assembly |
US20100187399A1 (en) * | 2009-01-23 | 2010-07-29 | John Chase | Furniture-foot assemblies |
US8118375B2 (en) | 2009-01-03 | 2012-02-21 | Gilles Berthiaume | Height adjustable desk configured for stacking with legs detached |
US8726463B2 (en) | 2010-11-10 | 2014-05-20 | Richard D. Bushey | Wrap around furniture glide |
US9155394B1 (en) | 2014-10-03 | 2015-10-13 | Joshua Cohen | Chair with slide-out leg rest |
DE102014221240A1 (en) * | 2014-10-20 | 2016-04-21 | Sedus Stoll Ag | Table leg and table |
DE202015101492U1 (en) * | 2015-03-24 | 2016-06-28 | Oskar Lehmann Gmbh & Co. Kg | Glider for tubular steel furniture |
USD891794S1 (en) * | 2018-01-11 | 2020-08-04 | Okamura Corporation | Chair |
US11457739B2 (en) * | 2019-12-31 | 2022-10-04 | Michael Putzke | Chair leg mountable coaster assembly |
US11576488B2 (en) | 2019-10-10 | 2023-02-14 | Bret L. Bushey | Surface protection device and method of mounting same |
US20230115682A1 (en) * | 2021-07-22 | 2023-04-13 | Stephen Palmer Sherwood | Support structure boot |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1294273A (en) * | 1915-07-15 | 1919-02-11 | Carl Jagar | Sliding caster. |
DE569172C (en) * | 1931-09-02 | 1933-02-02 | Erich Mertens Dipl Ing | Anti-skid device |
US2568507A (en) * | 1950-02-28 | 1951-09-18 | Miller Robert Ellis | Self-retaining leg mount for furniture |
US2850759A (en) * | 1954-08-02 | 1958-09-09 | United Carr Fastener Corp | Support |
US3052058A (en) * | 1960-06-30 | 1962-09-04 | Cal Dak Company | Furniture leg assembly |
US3173168A (en) * | 1965-03-16 | Furniture glide |
-
1965
- 1965-08-23 US US481683A patent/US3342445A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3173168A (en) * | 1965-03-16 | Furniture glide | ||
US1294273A (en) * | 1915-07-15 | 1919-02-11 | Carl Jagar | Sliding caster. |
DE569172C (en) * | 1931-09-02 | 1933-02-02 | Erich Mertens Dipl Ing | Anti-skid device |
US2568507A (en) * | 1950-02-28 | 1951-09-18 | Miller Robert Ellis | Self-retaining leg mount for furniture |
US2850759A (en) * | 1954-08-02 | 1958-09-09 | United Carr Fastener Corp | Support |
US3052058A (en) * | 1960-06-30 | 1962-09-04 | Cal Dak Company | Furniture leg assembly |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411823A (en) * | 1967-06-14 | 1968-11-19 | Sico Inc | Seat mounting structure |
US3755853A (en) * | 1971-07-28 | 1973-09-04 | Shelby Williams Ind | Stacking chair glider attachment |
US3955829A (en) * | 1975-03-19 | 1976-05-11 | Bussler Thomas M | Bicycle kickstand support pad |
US4343245A (en) * | 1980-06-02 | 1982-08-10 | Edwards Alwilda N | Support unit for shelving system |
US5009372A (en) * | 1988-05-11 | 1991-04-23 | E. I. Du Pont De Nemours And Company | Roll cassette with spacers for height adjustment |
USD382426S (en) * | 1995-11-01 | 1997-08-19 | Chester Frederick | Foot for legs of a portable seat |
US6883763B2 (en) * | 1999-10-19 | 2005-04-26 | Krueger International, Inc. | End-type glide for an article of furniture |
US20040155510A1 (en) * | 1999-10-19 | 2004-08-12 | Krueger International, Inc. | End-type glide for an article of furniture |
US6623082B1 (en) * | 2002-05-10 | 2003-09-23 | Tsung-Chieh Huang | Ground-contacting block structure of a chair |
US7234199B2 (en) | 2002-10-16 | 2007-06-26 | Bushey Richard D | Self adjusting furniture guide |
US7231690B2 (en) | 2002-11-19 | 2007-06-19 | Bushey Richard D | Furniture glide with tubular flanged grommet fastener |
US20040093687A1 (en) * | 2002-11-19 | 2004-05-20 | Bushey Richard D. | Furniture glide with tubular flanged grommet fastener |
WO2005023052A3 (en) * | 2003-09-05 | 2005-11-03 | Falcon Products Inc | Furniture glide |
WO2005023052A2 (en) * | 2003-09-05 | 2005-03-17 | Falcon Products, Inc. | Furniture glide |
US20050150076A1 (en) * | 2004-01-13 | 2005-07-14 | Bushey Richard D. | Wrap around furniture guide |
US7237302B2 (en) | 2004-01-13 | 2007-07-03 | Bushey Richard D | Wrap around furniture guide |
US20060043725A1 (en) * | 2004-08-31 | 2006-03-02 | Bushey Richard D | Slider for heavy loads |
US7406746B2 (en) | 2004-08-31 | 2008-08-05 | Bushey Richard D | Slider for heavy loads |
US20100038951A1 (en) * | 2008-08-15 | 2010-02-18 | Tung-Hua Su | Chair frame assembly |
US8118375B2 (en) | 2009-01-03 | 2012-02-21 | Gilles Berthiaume | Height adjustable desk configured for stacking with legs detached |
US7837161B2 (en) * | 2009-01-23 | 2010-11-23 | Hiwatt Products, Llc | Furniture-foot assemblies |
US20100187399A1 (en) * | 2009-01-23 | 2010-07-29 | John Chase | Furniture-foot assemblies |
US8726463B2 (en) | 2010-11-10 | 2014-05-20 | Richard D. Bushey | Wrap around furniture glide |
US9155394B1 (en) | 2014-10-03 | 2015-10-13 | Joshua Cohen | Chair with slide-out leg rest |
DE102014221240A1 (en) * | 2014-10-20 | 2016-04-21 | Sedus Stoll Ag | Table leg and table |
EP3011866A1 (en) * | 2014-10-20 | 2016-04-27 | Sedus Stoll AG | Table leg and table |
DE202015101492U1 (en) * | 2015-03-24 | 2016-06-28 | Oskar Lehmann Gmbh & Co. Kg | Glider for tubular steel furniture |
USD891794S1 (en) * | 2018-01-11 | 2020-08-04 | Okamura Corporation | Chair |
US11576488B2 (en) | 2019-10-10 | 2023-02-14 | Bret L. Bushey | Surface protection device and method of mounting same |
US11457739B2 (en) * | 2019-12-31 | 2022-10-04 | Michael Putzke | Chair leg mountable coaster assembly |
US20230115682A1 (en) * | 2021-07-22 | 2023-04-13 | Stephen Palmer Sherwood | Support structure boot |
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