US2800171A - Chair construction - Google Patents

Chair construction Download PDF

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Publication number
US2800171A
US2800171A US509178A US50917855A US2800171A US 2800171 A US2800171 A US 2800171A US 509178 A US509178 A US 509178A US 50917855 A US50917855 A US 50917855A US 2800171 A US2800171 A US 2800171A
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United States
Prior art keywords
chair
channel
bars
rearwardly
seat
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Expired - Lifetime
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US509178A
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Alfred C Hoven
Walter E Nordmark
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American Seating Co
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American Seating Co
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Priority to US509178A priority Critical patent/US2800171A/en
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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

Definitions

  • the present invention relates to chairs.
  • the primary objects of the invention are to provide a chair having a seat and back of plywood or the like and a;
  • I Y i H Figure 1 is a perspective view of a chair constructed according to the invention.
  • Figure 2 is a side elevational view of the same;
  • Figure 3 is a front elevational view of the same;
  • I Figure 4 is an enlarged fragmentary horizontal sectional view of parts of the chair taken on line 4- 4 of Figure 2; 1
  • Figure 5 is an enlarged fragmentary sectional view of parts of the chair taken on line 5-5 of Figure 2;.
  • Figure 6 is an enlarged fragmentary sectional view of parts of the chair taken on line 6-6 of Figure 3;
  • Figure 7 is a fragmentary sectional view of parts at the rear of the chair, similar to Figure 6 but showing a modi-. fied construction; and
  • Figure 8 is a similar sectional view of parts at thefront of the modified chair.
  • the chair there shown generally comprises a metal supporting frame or structure on which are mounted a seat 10 and a back 11, the seat and back being desirably made of plywood, plastic or other suitable material.
  • the front channel bar 12 has a lower web-portion 14 (see Figures 4 and 5) from which there extend-s upwardly a front wall 15 having a front flange 16 extending forwardly from its upper edge, and a rear wall 17 having a rear flange '18 extending rearwardly from its upper edge.
  • the rear channel bar 13 is similar and has a lower web portion 19 (see Figures 4 and 6) from which there extends upwardly a front wall 20 having a front flange 21 extending forwardly from its upper edge, and a rear wall 22 having a rear flange 23 extending rearwardly from its upper edge.
  • the chair seat 10 is supported on the flanges 16, 18, 21 and 23 of channel bars 12 and 13.
  • Fastening means are provided for securing the seat 10 to the channel bars and as here 17 are bent or curled rearwardly, then outwardly and finally forwardly to connect with the curled end portions 26 of the front wall, the adjacent end portions 26, 27 being welded together to form downwardly opening substantially cylindrical front leg sockets.
  • the front and rear walls 20 and 22 of the rear channel bar 13 have similar end portions which extend outwardly beyond the web 19 of this rear channel bar.
  • the end portions 28 at opposite ends of the front wall 20 are bent or curled forwardly, then outwardly and then rearwardly, while the end portions 29 at opposite ends of the rear wall 22 are bent or curled rearwardly, then outwardly and finally forwardly into welded connection with the curledend portions 28 of the front wall 20, thus forming downwardly opening substantially cylindrical rear leg sockets;
  • 'Legs 30 are provided for the chair and as here shown are of: tubular metal which may be of downwardly tapering'form. The upper ends of these legs 30 are seated in the leg sockets of. the channel bars 12 and 13, the channel bars being so disposed and so formed that the legs 30 depending therefrom are downwardly divergent.
  • the pair ,of back supports 31 for the chair are likewise desirably fabricated from metal tubing. As seen in Figures 4 and 5,,the forward ends of the back supports are seated in recesses 32 embossed in the lower part of the front channel bar 12.
  • the back supports 31 extend rearwardly from the front channel bar 12 into engagement with the rear channel bar 13 which is likewise embossed to form recesses 33 for seating the back supports.
  • the back supports 31 are preferably welded to the channel bars 12 and 13 at their points of intersection. From the rear channel bar 13, the back supports extend 11p wardly in the rear of the chair seat, and the chair back 11 is secured to these upright portions 34 of the back supports as by means of rivets 35.
  • the rear channel bar 13 is at a slightly lower level than the front channel bar 12, thus conforming to the shape and slope of the chair seat 10.
  • the lower forward portions of the back supports 31 likewise slopefromthe front channel bar 12 rearwardly-downwardly beneath the seat 10't-o-the rear channel bar 13.
  • the back supports 131 extend through circular openings 132 in the rear wall 117 of the front channel bar 112 and rest on the web 114 of this front channel bar. Extending rearwardly, the back supports 131 pass through aligned circular openings 133 and 233 in the front wall and the rear wall 122, respectively, of the rear channel bar 113 and rest on the web 119 of this rear channelbar. These connections between the back supports and the channel bars are 'alsotdesirably welded. 7
  • the'invention provides a novel chair construction in which the metal supporting frame for the chair seat and back is simple but nevertheless sturdy and durable, and while but two specific embodiments of the invention have been herein shown and described it will be understood that numerous details thereof may be altered or omitted without departing from the spirit of the invention as the same is defined by the following claims.
  • a chair a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear channel bars, the front channel bar having a flange extending forwardly from the upper edge of its front wall and the rear channel bar having a flange extending rearwardly from the upper edge of its rear wall; a chair seat supported on said flanges; fastening means passing through the flanges and the chair seat for securing the seat to the channel bars; legs for the chair secured to and depending from the opposite ends of said channel bars; a back support comprising a substantiallyhorizontal portion having its front end secured to the front bar and extending rearwardly therefrom beneath the chair seat into engagementwith the rear bar, and a substantially vertical portion extending thence upwardly in the rear of the chair seat; anda .chair back mounted on the upper endof said back support.
  • a chair a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear channel bars, the front and rear walls of said channel'bars having end portions extending outwardly beyond the webs: of the bars, the end portions of the front walls ofthe bars being bent forwardly, then outwardly and I then rea-rwal'dly, and the end portionsof the rear'iwalls of the bars being bent rearwardly, then outwardly and finally forwardly thus forming with the bent end portions of the front Walls downwardly opening leg sockets; legs for-the chair having their upper ends seated 'in said sockets; and a chair seat supported on the channel bars.
  • a chair according to claim 2 characterized'by' having 'the'endportions of the front and rear walls of the I channel bars curled so that the leg sockets forrned'thereby are substantially cylindrical for receiving the upper ends of tubular metal legs.
  • a chair according to claim 3 characterized by having the end portions of the front and rear walls of the channel bars so curled that the substantially cylindrical leg sockets formed thereby and the tubular metal legs depending therefrom are downwardly divergent.
  • a chair In a chair: a pair of paralleL-horizontally disposed, forwardly rearwardly spaced, upwardly opening front and rear channel bars each having a front flange extending forwardly from the upper edge'of its front wall and a rear flange extending rearwardly from the upper edge of its rear wall; a chair seat supported on said flanges; legs for the chair secured to and depending from the opposite ends of said channel'bars; a pair of back supports comprising substantially horizontal portions having their front ends secured to the front channel bar and extending rearwardly therefrom beneath the chair seat into engagement with the rear'channel bar, and substantially vertical portions extending thence upwardly in the rear of the chair seat; and a chair back mounted on the upper ends ofsaid back supports.
  • a chair according to claim 6 characterized by having the rear channel bar at a slightly lower level than the front channel bar and by having the back supports extending from the front channel bar rearwardly downwardly beneath the chair seat into engagement with the rear channel bar and thence upwardly.
  • a chair according to claim 7 characterized by having metal channel bars, tubular metal legs and tubular metal back supports, the upper ends of the legs being welded to the channel bars, and the back supports being welded to front and rear channel bars at their points of intersection.
  • a chair a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear metal channel bars each having a front flange extending forwardly from'the upper edge of its front Wall and a rear flange extending rearwardly from the upper edge of its rear wall, said rear channel bar being at a slightly lower level than said frontchannel bar, the front and rear walls of said channel bars having end portions extending outwardly beyond the webs of the bars, the end portions of the front walls of the bars being curled forwardly, then outwardly and then rearward'ly, and the end portions of the rear Walls of the bars being curled rearwardly, then outwardly” and finallyforwardly into welded connect-ion with the curled end portions'of the front walls thus forming downwardly opening substantially cylindrical leg sockets; tubular metal legs for the chair having their upper ends seated in said sockets and welded therein, rs-aid legs depending from the sockets divergently; a chair seat supported on-theupper front and rear
  • a chair a pair of parallel, horizontally disposed, forwardly-rearwardly spaced front and rear channel bars each having a substantially horizontal web portion and front and rear walls extending substantially vertically from said web portion, the front and rear walls of said channel bars having end portions extending outwardly beyond said bars web portion and the pairs of adjacent end portions being oppositely bent to form downwardly opening leg sockets; legs for the chair having their upper ends seated in said sockets; and a chair seat supported on the channelbars.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

July 23, 1957 A. c. HOVEN EI'AL CHAIR CONSTRUCTION 5 Sheets-Sheet 1 Filed May 18. 1955 INVENTORS illal z'ezl C.Hoz)ezz "9 hZizli ez 1':- JVOrdmaz'li ATTORNEY A. 0; HOVEN ETAL July 23, 1957 CHAIR CONSTRUCTION 5 Sheets-Sheet 2 Filed May 18, 1955 v I INVENTOR-S Alfred [lily 012211 J- n illfez' 1?.Wordmarli ATTQRNEY y 2 '1957 A.C.HOVEN HAL 2,800,171
CHAIR CONSTRUCTION Filed May 18, 1955 a Sheets-Sheet 3 WITNESS mvENfoRs I d 5. Not/er:
ATTORNEY United States Patent The present invention relates to chairs. The primary objects of the invention are to provide a chair having a seat and back of plywood or the like and a;
metal supporting frame therefor which is simple and especially sturdy in construction and reasonably-economical in manufacture. I v T Illustrative embodiments of the'invention are shownin the accompanying drawings, wherein: I Y i H Figure 1 is a perspective view of a chair constructed according to the invention; 1
Figure 2 is a side elevational view of the same; Figure 3 is a front elevational view of the same; I Figure 4 is an enlarged fragmentary horizontal sectional view of parts of the chair taken on line 4- 4 of Figure 2; 1
Figure 5 is an enlarged fragmentary sectional view of parts of the chair taken on line 5-5 of Figure 2;.
Figure 6 is an enlarged fragmentary sectional view of parts of the chair taken on line 6-6 of Figure 3; Figure 7 is a fragmentary sectional view of parts at the rear of the chair, similar to Figure 6 but showing a modi-. fied construction; and
Figure 8 is a similar sectional view of parts at thefront of the modified chair.
Referring now in detailto these drawings wherein like parts are designated by the same numerals in the several views, and referring first particularly to Figures 1 through 6, the chair there shown generally comprises a metal supporting frame or structure on which are mounted a seat 10 and a back 11, the seat and back being desirably made of plywood, plastic or other suitable material.
Beneath the seat 10 is a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening channel bars, the front channel bar being designated 12 and the rear channel bar being designated 13. The front channel bar 12 has a lower web-portion 14 (see Figures 4 and 5) from which there extend-s upwardly a front wall 15 having a front flange 16 extending forwardly from its upper edge, and a rear wall 17 having a rear flange '18 extending rearwardly from its upper edge. The rear channel bar 13 is similar and has a lower web portion 19 (see Figures 4 and 6) from which there extends upwardly a front wall 20 having a front flange 21 extending forwardly from its upper edge, and a rear wall 22 having a rear flange 23 extending rearwardly from its upper edge. The chair seat 10 is supported on the flanges 16, 18, 21 and 23 of channel bars 12 and 13. Fastening means are provided for securing the seat 10 to the channel bars and as here 17 are bent or curled rearwardly, then outwardly and finally forwardly to connect with the curled end portions 26 of the front wall, the adjacent end portions 26, 27 being welded together to form downwardly opening substantially cylindrical front leg sockets.
The front and rear walls 20 and 22 of the rear channel bar 13 have similar end portions which extend outwardly beyond the web 19 of this rear channel bar. The end portions 28 at opposite ends of the front wall 20 are bent or curled forwardly, then outwardly and then rearwardly, while the end portions 29 at opposite ends of the rear wall 22 are bent or curled rearwardly, then outwardly and finally forwardly into welded connection with the curledend portions 28 of the front wall 20, thus forming downwardly opening substantially cylindrical rear leg sockets;
'Legs 30 are provided for the chair and as here shown are of: tubular metal which may be of downwardly tapering'form. The upper ends of these legs 30 are seated in the leg sockets of. the channel bars 12 and 13, the channel bars being so disposed and so formed that the legs 30 depending therefrom are downwardly divergent.
, vThe pair ,of back supports 31 for the chair are likewise desirably fabricated from metal tubing. As seen in Figures 4 and 5,,the forward ends of the back supports are seated in recesses 32 embossed in the lower part of the front channel bar 12. The back supports 31 extend rearwardly from the front channel bar 12 into engagement with the rear channel bar 13 which is likewise embossed to form recesses 33 for seating the back supports. The back supports 31 are preferably welded to the channel bars 12 and 13 at their points of intersection. From the rear channel bar 13, the back supports extend 11p wardly in the rear of the chair seat, and the chair back 11 is secured to these upright portions 34 of the back supports as by means of rivets 35.
The rear channel bar 13 is at a slightly lower level than the front channel bar 12, thus conforming to the shape and slope of the chair seat 10. The lower forward portions of the back supports 31 likewise slopefromthe front channel bar 12 rearwardly-downwardly beneath the seat 10't-o-the rear channel bar 13.
In the modified construction shown in Figures 7 and 8, the back supports 131 extend through circular openings 132 in the rear wall 117 of the front channel bar 112 and rest on the web 114 of this front channel bar. Extending rearwardly, the back supports 131 pass through aligned circular openings 133 and 233 in the front wall and the rear wall 122, respectively, of the rear channel bar 113 and rest on the web 119 of this rear channelbar. These connections between the back supports and the channel bars are 'alsotdesirably welded. 7
It will thus be seen that the'invention provides a novel chair construction in which the metal supporting frame for the chair seat and back is simple but nevertheless sturdy and durable, and while but two specific embodiments of the invention have been herein shown and described it will be understood that numerous details thereof may be altered or omitted without departing from the spirit of the invention as the same is defined by the following claims.
We claim:
1. In a chair: a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear channel bars, the front channel bar having a flange extending forwardly from the upper edge of its front wall and the rear channel bar having a flange extending rearwardly from the upper edge of its rear wall; a chair seat supported on said flanges; fastening means passing through the flanges and the chair seat for securing the seat to the channel bars; legs for the chair secured to and depending from the opposite ends of said channel bars; a back support comprising a substantiallyhorizontal portion having its front end secured to the front bar and extending rearwardly therefrom beneath the chair seat into engagementwith the rear bar, and a substantially vertical portion extending thence upwardly in the rear of the chair seat; anda .chair back mounted on the upper endof said back support.
2. In a chair: a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear channel bars, the front and rear walls of said channel'bars having end portions extending outwardly beyond the webs: of the bars, the end portions of the front walls ofthe bars being bent forwardly, then outwardly and I then rea-rwal'dly, and the end portionsof the rear'iwalls of the bars being bent rearwardly, then outwardly and finally forwardly thus forming with the bent end portions of the front Walls downwardly opening leg sockets; legs for-the chair having their upper ends seated 'in said sockets; and a chair seat supported on the channel bars.
3. A chair according to claim 2 characterized'by' having 'the'endportions of the front and rear walls of the I channel bars curled so that the leg sockets forrned'thereby are substantially cylindrical for receiving the upper ends of tubular metal legs.
4. A chair according to claim 2 *characterized'byhaving the end portions of the front and rear walls' of the channel bars so bent that the leg sockets formed thereby and the chair legs depending-therefrom are downwardly divergent.
5. A chair according to claim 3 characterized by having the end portions of the front and rear walls of the channel bars so curled that the substantially cylindrical leg sockets formed thereby and the tubular metal legs depending therefrom are downwardly divergent.
6.- In a chair: a pair of paralleL-horizontally disposed, forwardly rearwardly spaced, upwardly opening front and rear channel bars each having a front flange extending forwardly from the upper edge'of its front wall and a rear flange extending rearwardly from the upper edge of its rear wall; a chair seat supported on said flanges; legs for the chair secured to and depending from the opposite ends of said channel'bars; a pair of back supports comprising substantially horizontal portions having their front ends secured to the front channel bar and extending rearwardly therefrom beneath the chair seat into engagement with the rear'channel bar, and substantially vertical portions extending thence upwardly in the rear of the chair seat; and a chair back mounted on the upper ends ofsaid back supports.
7. A chair according to claim 6 characterized by having the rear channel bar at a slightly lower level than the front channel bar and by having the back supports extending from the front channel bar rearwardly downwardly beneath the chair seat into engagement with the rear channel bar and thence upwardly.
8. A chair according to claim 7 characterized by having metal channel bars, tubular metal legs and tubular metal back supports, the upper ends of the legs being welded to the channel bars, and the back supports being welded to front and rear channel bars at their points of intersection.
9. In a chair: a pair of parallel, horizontally disposed, forwardly-rearwardly spaced, upwardly opening front and rear metal channel bars each having a front flange extending forwardly from'the upper edge of its front Wall and a rear flange extending rearwardly from the upper edge of its rear wall, said rear channel bar being at a slightly lower level than said frontchannel bar, the front and rear walls of said channel bars having end portions extending outwardly beyond the webs of the bars, the end portions of the front walls of the bars being curled forwardly, then outwardly and then rearward'ly, and the end portions of the rear Walls of the bars being curled rearwardly, then outwardly" and finallyforwardly into welded connect-ion with the curled end portions'of the front walls thus forming downwardly opening substantially cylindrical leg sockets; tubular metal legs for the chair having their upper ends seated in said sockets and welded therein, rs-aid legs depending from the sockets divergently; a chair seat supported on-theupper front and rear flanges of the channel bars; fastening means passing through some of the flanges and'the chair seat for securing the seat to the channel bars; a pair of tubular metal back supports having their front ends welded to the front channel bar and extending rearwardly-downwardly therefrom beneath the chair seat into Welded engagement with the rear channel bar and thence turned upwardly in the rear of the chair seat; and a chair back mounted on-the upper ends of said back supports.
10. In a chair: a pair of parallel, horizontally disposed, forwardly-rearwardly spaced front and rear channel bars each having a substantially horizontal web portion and front and rear walls extending substantially vertically from said web portion, the front and rear walls of said channel bars having end portions extending outwardly beyond said bars web portion and the pairs of adjacent end portions being oppositely bent to form downwardly opening leg sockets; legs for the chair having their upper ends seated in said sockets; and a chair seat supported on the channelbars.
References Cited in the file of this patent UNITED STATES PATENTS 569,806 'White Oct. 20, 1896 1,864,535 Hach et a1. June 28, 1932 2,256,996 Bales Sept. 23, 1941 2,547,296 White Apr. 3, 1951 FOREIGN PATENTS 128,179 Germany Feb. 15, 1902 253,914 Switzerland Nov. 16, 1948
US509178A 1955-05-18 1955-05-18 Chair construction Expired - Lifetime US2800171A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935121A (en) * 1958-03-21 1960-05-03 Harter Corp Chair
US2962085A (en) * 1959-09-21 1960-11-29 Gold Medal Folding Furniture C Folding chair
US2969832A (en) * 1958-05-05 1961-01-31 Wilson Forest Furniture construction
US2992853A (en) * 1957-08-07 1961-07-18 Arlington Seating Co Chairs
US3000669A (en) * 1959-09-21 1961-09-19 Rudolph J Silverman Chair bracket
US3032375A (en) * 1959-06-12 1962-05-01 Alladin Plastics Inc Chair comprising removable elements
US3071339A (en) * 1958-06-18 1963-01-01 Graco Metal Products Inc Doll swings
US3093096A (en) * 1960-08-11 1963-06-11 American Seating Co Simulated slat bench construction
EP0824005A2 (en) * 1996-08-14 1998-02-18 Hartmut Eichinger Anti-tilt chair
US5865508A (en) * 1997-05-30 1999-02-02 Miami Metal Products, Inc. Integrated seat frame and back support

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE128179C (en) *
US569806A (en) * 1896-10-20 white
US1864535A (en) * 1928-08-14 1932-06-28 Western Electric Co Chair
US2256996A (en) * 1938-10-22 1941-09-23 Lyon Metal Products Inc Knockdown furniture
CH253914A (en) * 1945-03-02 1948-04-15 Mueller Jakob Furniture.
US2547296A (en) * 1948-05-17 1951-04-03 James E White Vertically adjustable table

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE128179C (en) *
US569806A (en) * 1896-10-20 white
US1864535A (en) * 1928-08-14 1932-06-28 Western Electric Co Chair
US2256996A (en) * 1938-10-22 1941-09-23 Lyon Metal Products Inc Knockdown furniture
CH253914A (en) * 1945-03-02 1948-04-15 Mueller Jakob Furniture.
US2547296A (en) * 1948-05-17 1951-04-03 James E White Vertically adjustable table

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992853A (en) * 1957-08-07 1961-07-18 Arlington Seating Co Chairs
US2935121A (en) * 1958-03-21 1960-05-03 Harter Corp Chair
US2969832A (en) * 1958-05-05 1961-01-31 Wilson Forest Furniture construction
US3071339A (en) * 1958-06-18 1963-01-01 Graco Metal Products Inc Doll swings
US3032375A (en) * 1959-06-12 1962-05-01 Alladin Plastics Inc Chair comprising removable elements
US2962085A (en) * 1959-09-21 1960-11-29 Gold Medal Folding Furniture C Folding chair
US3000669A (en) * 1959-09-21 1961-09-19 Rudolph J Silverman Chair bracket
US3093096A (en) * 1960-08-11 1963-06-11 American Seating Co Simulated slat bench construction
EP0824005A2 (en) * 1996-08-14 1998-02-18 Hartmut Eichinger Anti-tilt chair
EP0824005A3 (en) * 1996-08-14 2000-03-15 Hartmut Eichinger Anti-tilt chair
US5865508A (en) * 1997-05-30 1999-02-02 Miami Metal Products, Inc. Integrated seat frame and back support

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