US1696154A - Chair-seat mounting - Google Patents

Chair-seat mounting Download PDF

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Publication number
US1696154A
US1696154A US141732A US14173226A US1696154A US 1696154 A US1696154 A US 1696154A US 141732 A US141732 A US 141732A US 14173226 A US14173226 A US 14173226A US 1696154 A US1696154 A US 1696154A
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US
United States
Prior art keywords
connecting member
chair
dome
bolt
cross
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
Application number
US141732A
Inventor
Spencer M Bump
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bettcher Stamping & Manufacturing Co
Bettcher Stamping & Manufacturing Compan
Original Assignee
Bettcher Stamping & Manufacturing Compan
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Filing date
Publication date
Application filed by Bettcher Stamping & Manufacturing Compan filed Critical Bettcher Stamping & Manufacturing Compan
Priority to US141732A priority Critical patent/US1696154A/en
Application granted granted Critical
Publication of US1696154A publication Critical patent/US1696154A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/441—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs

Definitions

  • srnNcnn in. BUHP or mxnwoon, omo, AssIGNoR, T rim BETTCHERSTAMPING & MANUFACTURING COMPANY, on cnnvnnann onro, A conrona'rIoN or OHIO.
  • This invention relates to pedestal chairs of the swiveling ty e, and particularly to chairs of the type w ich may be inclined or rocked backwardly against the tension of a a spring tending normally to hold the chair back and seat in an upright position.
  • the invention relates more particularly to the rocking connection bet-ween the bolts, on which the said spring or springs act to resist the rearward rocking movements of such chair seats, and the abutment-s or cross plates through which said bolts extend and which are usually or pedestal.
  • Fig. 1 represents a sectional elevation of parts of achairnseat frame, showin gthe manner in which the said frame is supported from the post or pedestal 39 and the manner in which the aforesaid connecting member is used;
  • Fig. 2 is a plan, with parts broken away, of the frame and arts shown in Fig. 1, showing my connecting member and the parts cooperating therewith;
  • Fig. 3 is a side elevation, Fig. 4 an end elevation, and Fig. 5 a bottom plan view of the aforesaid connecting member.
  • 1 de- 40 notes the post or pedestal of a chair of the ordinary swivel type, the upper end of the said post or pedestal being shown as reduced in diameter at 2 to form a neck, with supported indirectly by the post a shoulder 3 beneath said neck'on which is.
  • a cross bolt 11 which is connected to the vertical denotes a cross plate havinglasubstantially horizontal lower end which has an aperture 12 therein adapted to fit over the-reduced end 2 of the post or. pedestal 1, which reduced end may, beheaded. to form an integral rivet, shown at 2
  • the cross plate 12 extends upwardly and forwardlyfromthe bottom through which the bolt 13 extends.
  • This bolt has securedv to its rear end a. cross plate 14 which receives therewithin the rear ends of. the springs 15,, the front ends of the portion thereof and is provided with l a, vertical extension having a recess 12 springs bearing against the rear web 9 of lugs 9 web-9.
  • the front end of the bolt 13 projects through the connecting member, referred to hereinbefore, being provided with a thread on such front end on which is threaded the hub 16 of a hand wheel 16, the hub bearing against the central portion of the said connecting member, which will now be describe
  • the connecting member is made from sheet metal by a stamping operation by which it is provided wit-h a forwardly-projecting arched or dome-shaped central body 17 having an aperture 18 therethrough, the sides of the dome being projecting rearwardly from the said extended and pressed together to form retained in position by preferably and described herein is of decided advantage 1n that said member may be made cheaply,
  • the central portion of said member surrounding the aperture 18 constituting an arch-support thrust bearing which is very strong and capable of sustaining all thrusts and strains exerted thcreagainst by the sleeve, 16, while the shape and construction of the arms 19 is such as to secure ample strength in these parts to withstand such thrusts and strains.
  • a rocking connecting member for use with one or more springs arranged to resist the backward niovenicnt of swivel chairs and with a bolt having a cross plate engaging such spring or springs and extending forwardly and beyond across member carried by the seat assembly, the said connecting member being formed from a single piece of metal having-a forwardly projecting dome-shaped centralportion provided with an aperture therethrough, the portion of such dome surrounding the said aperture, constituting an arch-supported thrust surface for engagement by an adjustable member on the front of said bolt, said connecting member having integral extensions adapted to bear against said cross member.
  • a rocking connecting member for use with one or more springs arranged to resist the backward movement of swivel chairs and with a bolt having a cross plate engaging such sprin or sprlngs and extending forwardly and beyond a cross member carr ed by the seat assembly, the said connecting member being formed from a single piece oi. metal pressed to a shape to provide a central forwardly-projecting dome-sha )GCl portion having an aperture thercthrough for the reception of the said red, the portion oi? such dome surrounding the aperture instituting 'an arch supported thrust surface for engagement by an adjustable member on the front of said bolt, the said connecting member comprising also double-walled lateral extensions constituting arms provided at their ends with bearings adapted to engage said cross member.
  • a rocking connecting member for use with one or more springs arranged to resist the backward movement of swivel chairs and with a bolt having a cross plate engaging suchspring or springs and extending forwardly and beyond a cross member carried by the seat assembly,
  • the said connecting member being formed from a single piece of metal having a central dome-shaped portion provided with side flanges, the dome- SlHIPECl'POlblOD having an oneningtherethrough for the passage of said rod and provided with an arch-supported thrust surface surrounding said aperture and adapted to take the thrust of the rod through the engagement therewith of a member adjustably mounted on the front thereof, the side flanges bein extended from such dome on both sidestiereof and pressed together to form legs, each leg terminating in a bearing adapted to engage said cross member.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

5. M. BUMP CHAIR SEAT MOUNTING Dec. 18, 1928.
Filed Oct. 15,. 1926 abtozmq Patented Dec. 18, 1928.
UNITED STATES (PATENT OFFICE.
srnNcnn in. BUHP, or mxnwoon, omo, AssIGNoR, T rim BETTCHERSTAMPING & MANUFACTURING COMPANY, on cnnvnnann onro, A conrona'rIoN or OHIO.
' CHAIR-SEAT MOUNTING.
Application filed October 15, 1926. Serial No. 141,732.
This invention relates to pedestal chairs of the swiveling ty e, and particularly to chairs of the type w ich may be inclined or rocked backwardly against the tension of a a spring tending normally to hold the chair back and seat in an upright position. The invention relates more particularly to the rocking connection bet-ween the bolts, on which the said spring or springs act to resist the rearward rocking movements of such chair seats, and the abutment-s or cross plates through which said bolts extend and which are usually or pedestal. l i
It is the general purpose and ob ect of the invention to provide, in such nstallations, a rocking connecting unember which is simple in'construction, which can be produced economically and by a stamping operation; and which is stronger than the builtup connecting members which are in generaluse; l a
I accom lish the foregoing objects in and through t e connecting member set forth in detail hereinafter, reference being haduto the drawings, wherein Fig. 1 represents a sectional elevation of parts of achairnseat frame, showin gthe manner in which the said frame is supported from the post or pedestal 39 and the manner in which the aforesaid connecting member is used; Fig. 2 is a plan, with parts broken away, of the frame and arts shown in Fig. 1, showing my connecting member and the parts cooperating therewith; and Fig. 3 is a side elevation, Fig. 4 an end elevation, and Fig. 5 a bottom plan view of the aforesaid connecting member.
Describing by reference characters the various parts shown in the drawings, 1 de- 40 notes the post or pedestal of a chair of the ordinary swivel type, the upper end of the said post or pedestal being shown as reduced in diameter at 2 to form a neck, with supported indirectly by the post a shoulder 3 beneath said neck'on which is.
mounted the bottom plate 4 of a yoke, the said yoke being U-shaped and having the upwardly extending side flanges 5.
6 denotes a pair of angular seat bracket-s which are adapted to support the chair seat in the ordinary manner, the upper flanges 6" of the said brackets being provided with apertures 6 for the reception of bolts or other means for securing the chair seat thereto. Secured to the vertical flanges of the seat brackets, as by rivets 7, are the side the cradle and. being flanges 8 of a cradle or channel-shaped connecting member, the rear web of'which is shown at 9. The lower forward ends of the sides 8 are supported from the sides 5 of the yoke by means of a cross pin 10. A cross bolt 11 which is connected to the vertical denotes a cross plate havinglasubstantially horizontal lower end which has an aperture 12 therein adapted to fit over the-reduced end 2 of the post or. pedestal 1, which reduced end may, beheaded. to form an integral rivet, shown at 2 The cross plate 12 extends upwardly and forwardlyfromthe bottom through which the bolt 13 extends. This bolt has securedv to its rear end a. cross plate 14 which receives therewithin the rear ends of. the springs 15,, the front ends of the portion thereof and is provided with l a, vertical extension having a recess 12 springs bearing against the rear web 9 of lugs 9 web-9.
The front end of the bolt 13 projects through the connecting member, referred to hereinbefore, being provided with a thread on such front end on which is threaded the hub 16 of a hand wheel 16, the hub bearing against the central portion of the said connecting member, which will now be describe The connecting member is made from sheet metal by a stamping operation by which it is provided wit-h a forwardly-projecting arched or dome-shaped central body 17 having an aperture 18 therethrough, the sides of the dome being projecting rearwardly from the said extended and pressed together to form retained in position by preferably and described herein is of decided advantage 1n that said member may be made cheaply,
by a few stamping operations, the central portion of said member surrounding the aperture 18 constituting an arch-support thrust bearing which is very strong and capable of sustaining all thrusts and strains exerted thcreagainst by the sleeve, 16, while the shape and construction of the arms 19 is such as to secure ample strength in these parts to withstand such thrusts and strains.
vHaving thus described my invention, what 1 claim is i a 1. A rocking connecting member for use with one or more springs arranged to resist the backward niovenicnt of swivel chairs and with a bolt having a cross plate engaging such spring or springs and extending forwardly and beyond across member carried by the seat assembly, the said connecting member being formed from a single piece of metal having-a forwardly projecting dome-shaped centralportion provided with an aperture therethrough, the portion of such dome surrounding the said aperture, constituting an arch-supported thrust surface for engagement by an adjustable member on the front of said bolt, said connecting member having integral extensions adapted to bear against said cross member.
2. A rocking connecting member for use with one or more springs arranged to resist the backward movement of swivel chairs and with a bolt having a cross plate engaging such sprin or sprlngs and extending forwardly and beyond a cross member carr ed by the seat assembly, the said connecting member being formed from a single piece oi. metal pressed to a shape to provide a central forwardly-projecting dome-sha )GCl portion having an aperture thercthrough for the reception of the said red, the portion oi? such dome surrounding the aperture instituting 'an arch supported thrust surface for engagement by an adjustable member on the front of said bolt, the said connecting member comprising also double-walled lateral extensions constituting arms provided at their ends with bearings adapted to engage said cross member.
A rocking connecting member for use with one or more springs arranged to resist the backward movement of swivel chairs and with a bolt having a cross plate engaging suchspring or springs and extending forwardly and beyond a cross member carried by the seat assembly, the said connecting member being formed from a single piece of metal having a central dome-shaped portion provided with side flanges, the dome- SlHIPECl'POlblOD having an oneningtherethrough for the passage of said rod and provided with an arch-supported thrust surface surrounding said aperture and adapted to take the thrust of the rod through the engagement therewith of a member adjustably mounted on the front thereof, the side flanges bein extended from such dome on both sidestiereof and pressed together to form legs, each leg terminating in a bearing adapted to engage said cross member.
In testimony whereof, I hereunto aflix my SPENCER M. BUMP.
signature.
US141732A 1926-10-15 1926-10-15 Chair-seat mounting Expired - Lifetime US1696154A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447283A (en) * 1945-06-07 1948-08-17 Collier Keyworth Company Chair iron for tilting chairs
US3656805A (en) * 1969-09-15 1972-04-18 Interroyal Corp Chair control and support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447283A (en) * 1945-06-07 1948-08-17 Collier Keyworth Company Chair iron for tilting chairs
US3656805A (en) * 1969-09-15 1972-04-18 Interroyal Corp Chair control and support

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