US1789974A - Chair tip - Google Patents
Chair tip Download PDFInfo
- Publication number
- US1789974A US1789974A US144036A US14403626A US1789974A US 1789974 A US1789974 A US 1789974A US 144036 A US144036 A US 144036A US 14403626 A US14403626 A US 14403626A US 1789974 A US1789974 A US 1789974A
- Authority
- US
- United States
- Prior art keywords
- block
- arms
- tip
- chair
- leg
- Prior art date
- 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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Classifications
-
- 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
- A47B91/04—Elastic supports
Definitions
- This invention relates to improvements in chair tips, and more particularly to tips which are used in connection with metal chair legs of special construction.
- the main object of the invention isto provide a resilienttip which can be easily and quickly attached to or detached from the leg of a chair, and when attachedis securely held against accidental displacement.
- a further object of the invention is to provide a chair tip comprising a rubber foot or block and a yoke-shaped fastening member which is embedded in the block in the vulcanizing process, the fastening members being adapted to be inserted in the ends of the chair legs and to be securely held therein by frictional engagement, the rubber feet preventing disfigurati-on of thefloor in moving the chair from place to place, and also eliminating the noise which would otherwise be caused by such movements.
- Fig.2 is a vertical longitudinal sectional view through the leg and tip
- Fig. 3 is a horizontal sectional viewon the line 33 of Figure 2.
- the numeral 1 indicates a metal chair leg, which, in the present instance, is made from a strip of suitable sheet metal, the longitudinal edge portions of which are rolled upon themselves to form arallel tube-like edges 2, such construction orming a leg which enibodies the maximum of lightness, strength and rigidity, and the extremities of the legs are finished to rest uarely upon the floor, whatever the angle d? the leg may be. It is apparent, however, that without a suitable tip, such legs would disfigure floors of polished wood or tile and would also be destruc- 1926. Serial No. 144,036.
- Theimproved tip comprises a rubber block 3, in which is embedded, in the vulcanizing process, the looped end of a yoke-shaped fastener 4, the arms 4A and 4B of which are arranged to stand at an inclination corresponding to the inclination of the leg in which arm, while the point Y of its terminal end will bind upon the diametrically opposite face of'the said roll.
- the arm 4B stands at a slight inclination to the axis of the roll whichsurrounds it, so that the inner edge of its terminal end binds upon the adjoining face of the roll, as shownat a, while the outer lower portion thereof binds upon the adjoinlng face of the lower terminal portion of its roll, as shown at b.
- tlIB aPIIIS 4A and 4B are in frictional engagement with the inner faces of their respective rolls, which are of slightly greater external diameter than the diameter of the wire of which the yoke is made, this frictional en: gagement of the parts being sufficient to-securely hold the tip against accidental displacement.
- The'inward bent end of the arm 4A also enables the ti to be more readily inserted in the end of the leg, as the space between the extremity of this leg and the opposite legis slightly less than the extreme distance hetween the walls of the said rolled portions.
- each chair leg rests squarely upon the rubber block, and to prevent the end of the leg from pressing into the top of the block, due to the weight upon the chair when in use, metal washers 5, are placed upon each arm of the yoke and are embedded in the rubber block 3, in the vulcanizing process, so as to lie nearly flush with the top of the block, and these washers receive the thrust of the ends of the legs and thus prevent the said ends fron sinking into the rubber blocks.
- a foot having a block of resilient material, a metallic member having a part embedded in said block and having arms extending therefrom to enter said tubular portions, one of said arms being curved and both of said arms being arranged to clamp the walls of said tubular portions and retain the foot in position thereon.
- 'A foot comprising a block of resilient material having a pair of arms of stiffer material anchored in the block and extending upwardly therefrom, in combination with a member having seats for said arms adapted to slidably and frictionally engage them and thereby detachably hold the foot to said member.
Description
Jan. 27, 1931. c ANT CHAIR TIP Filed Oct. 25, 1926 Jg z, FgZ
Patented Jan. 27, 1931 UNITED STATES PATENT OFFICE FREDERICK C. GRANT, OF CHICAGO, ILLINOIS, ASSIGNOR 'IO OLARIN MFG. 00., OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS CHAIR TIP Application filed October 25,
This invention relates to improvements in chair tips, and more particularly to tips which are used in connection with metal chair legs of special construction.
The main object of the invention isto provide a resilienttip which can be easily and quickly attached to or detached from the leg of a chair, and when attachedis securely held against accidental displacement.
.A further object of the invention is to provide a chair tip comprisinga rubber foot or block and a yoke-shaped fastening member which is embedded in the block in the vulcanizing process, the fastening members being adapted to be inserted in the ends of the chair legs and to be securely held therein by frictional engagement, the rubber feet preventing disfigurati-on of thefloor in moving the chair from place to place, and also eliminating the noise which would otherwise be caused by such movements.
Further, to'provide a chair tip which is simple and inexpensive and which is complete in itself and therefore requires no additional fastening means; it being secured in the act of inserting it'in the end of the chair leg.
These objects are accomplished bythe device illustrated in the accompanying draws ,ings, in which:
7 equipped with the improved tip.
Fig.2 is a vertical longitudinal sectional view through the leg and tip; and
Fig. 3 is a horizontal sectional viewon the line 33 of Figure 2.
.Referring to the accompanying drawings:
The numeral 1 indicates a metal chair leg, which, in the present instance, is made from a strip of suitable sheet metal, the longitudinal edge portions of which are rolled upon themselves to form arallel tube-like edges 2, such construction orming a leg which enibodies the maximum of lightness, strength and rigidity, and the extremities of the legs are finished to rest uarely upon the floor, whatever the angle d? the leg may be. It is apparent, however, that without a suitable tip, such legs would disfigure floors of polished wood or tile and would also be destruc- 1926. Serial No. 144,036.
tive to carpets or rugs, and the improved tip, therefore, is designed to overcome these objectional features.
Theimproved tip comprises a rubber block 3, in which is embedded, in the vulcanizing process, the looped end of a yoke-shaped fastener 4, the arms 4A and 4B of which are arranged to stand at an inclination corresponding to the inclination of the leg in which arm, while the point Y of its terminal end will bind upon the diametrically opposite face of'the said roll. The arm 4B stands at a slight inclination to the axis of the roll whichsurrounds it, so that the inner edge of its terminal end binds upon the adjoining face of the roll, as shownat a, while the outer lower portion thereof binds upon the adjoinlng face of the lower terminal portion of its roll, as shown at b. it will thus be seen that tlIB aPIIIS 4A and 4B are in frictional engagement with the inner faces of their respective rolls, which are of slightly greater external diameter than the diameter of the wire of which the yoke is made, this frictional en: gagement of the parts being sufficient to-securely hold the tip against accidental displacement.
The'inward bent end of the arm 4A also enables the ti to be more readily inserted in the end of the leg, as the space between the extremity of this leg and the opposite legis slightly less than the extreme distance hetween the walls of the said rolled portions.
The lower end of each chair leg rests squarely upon the rubber block, and to prevent the end of the leg from pressing into the top of the block, due to the weight upon the chair when in use, metal washers 5, are placed upon each arm of the yoke and are embedded in the rubber block 3, in the vulcanizing process, so as to lie nearly flush with the top of the block, and these washers receive the thrust of the ends of the legs and thus prevent the said ends fron sinking into the rubber blocks. When any one or all "'of the blocks become worn and unfit'for further use, they can be quickly removed and replaced by new tips, and by an unskilled persomas it is only necessary, after removing the worn tip, to insert the new tip, which is securtd in place in the act of inserting it.
Having described my invention, what I claim as new and desire to secure by Letters Patent, is:
1. The combination with a chair leg having parallel openings, of a tip therefor, comprising a resilient block and a fastener secured therein having portions adapted to fit frictionally in said parallel openings.
2. The combination with a chair leg having parallel openings in its extremity, of a tip therefor comprising a rubber block and a fastener embedded in said block in the vulcanizing process, having portions adapted'to fit frictionally in said parallel openings.
3. The combination with a metal chair leg havin parallel openings in its extremity, of a tip therefor comprising a rubber block and a' pair of fastening arms each having a portion thereof embeddedin said block in the vulcanizing process, and each having a portion extending into one of said openings, said two arms frictionally and slidably engaging said openings to detachably retain the block in position on the end of the leg.
4. The combination with a metal chairv leg having parallel rolled edges, of a tip therefor comprising a rubber block. and a yokeshaped resilient wire fastener, the looped end of which is embedded in the block in the vulcanizing process, the arms of'saidfastener being adapted tobe inserted at the endof the leg in the rolled portions, the upper portion ot' one of said arms having a slight inward bend, said arms being adapted to engage frictionally with the walls of said rolls.
5. Incombination with a supporting leg havingtubular portions, :1. .foot having a block of resilient material, a member having a partembedded in said block and having resilient arms extending therefrom and engaging in said tubular portions to clamp the foot in position thereon.
6. In combination with a supporting leg having'tubular portions, a. foothaving a block of resilient material, a metallic member having a part embedded in said block and having arms extending therefrom to enter said tubular portions, one of said arms being curved and both of said arms being arranged to clamp the walls of said tubular portions and retain the foot in position thereon. I
7. The combination with a member having tubular portions, of a foot comprising a block of resilient material with a pair of arms of stifler material embedded in said block in the vulcanizing process and extending upwardly therefrom each slidably engaging the inside of one of said tubular ortions, and having a part within the blocii adapted to anchor the arm therein, said arms cooperating to detachabl hold the foot in position on said member y a slidable and frictional engagement with parts of the walls thereof.
8. 'A foot comprising a block of resilient material having a pair of arms of stiffer material anchored in the block and extending upwardly therefrom, in combination with a member having seats for said arms adapted to slidably and frictionally engage them and thereby detachably hold the foot to said member.
9. The combination with a member having tubular portions, of a foot comprising a block of rubber, and a pair of metal arms embedded in said block and proj ecting upwardly therefrom, the upper ends of said arms being of less diameter than said tubular portions and extending into said portions, said arms being inclined relative to said tubular portions, so as to frictionally secure said foot to said member.
10. The combination with a member having tubular portions, of a foot comprising a block of rubber, and a pair of metal arms embedded in said block and projecting upwardly therefrom, the upper ends of said arms being of less diameter than said tubular portions and extending into said portions, said arms converging upwardly so as to frictionally secure said foot to said member.
Tn testimony whereof I aflix my signature.
FREDERICK O. GRANT.-
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US144036A US1789974A (en) | 1926-10-25 | 1926-10-25 | Chair tip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US144036A US1789974A (en) | 1926-10-25 | 1926-10-25 | Chair tip |
Publications (1)
Publication Number | Publication Date |
---|---|
US1789974A true US1789974A (en) | 1931-01-27 |
Family
ID=22506777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US144036A Expired - Lifetime US1789974A (en) | 1926-10-25 | 1926-10-25 | Chair tip |
Country Status (1)
Country | Link |
---|---|
US (1) | US1789974A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2628384A (en) * | 1950-03-18 | 1953-02-17 | United Carr Fastener Corp | Closure member or furniture glide |
US2632198A (en) * | 1950-03-18 | 1953-03-24 | United Carr Fastener Corp | Closure member or furniture glide |
US2968342A (en) * | 1960-03-24 | 1961-01-17 | Bertrand R Lesser | Decorative hand grip connectors for double tubular arm rests |
US9144309B2 (en) | 2011-12-22 | 2015-09-29 | Adams Mfg. Corp. | Foot for molded plastic furniture |
-
1926
- 1926-10-25 US US144036A patent/US1789974A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2628384A (en) * | 1950-03-18 | 1953-02-17 | United Carr Fastener Corp | Closure member or furniture glide |
US2632198A (en) * | 1950-03-18 | 1953-03-24 | United Carr Fastener Corp | Closure member or furniture glide |
US2968342A (en) * | 1960-03-24 | 1961-01-17 | Bertrand R Lesser | Decorative hand grip connectors for double tubular arm rests |
US9144309B2 (en) | 2011-12-22 | 2015-09-29 | Adams Mfg. Corp. | Foot for molded plastic furniture |
US10016058B2 (en) | 2011-12-22 | 2018-07-10 | Adams Mfg. Corp. | Foot for molded plastic furniture |
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