US2146136A

US2146136A - Resilient edge construction for seats

Info

Publication number: US2146136A
Application number: US192567A
Authority: US
Inventors: Foote Thomas Witherbee
Original assignee: Individual
Current assignee: Individual
Priority date: 1938-02-25
Filing date: 1938-02-25
Publication date: 1939-02-07
Anticipated expiration: 1956-02-07

Description

Feb. 7, 1939.

T. w. FOOTE 2,146,136

RESILIENT EDGE CONSTRUCTION FOR SEATS Filed Feb. 25, 1938 INVENTOR ATTORNEY.

Patented Feb. 7, 1939 PATENT OFFICE BESIIJENT EDGE CONSTRUCTION FOR SEATS Thomas Wither-bee Footc, ClevelamL'Oliio Application Fe ruary :5, 1938, Serial No. 192,567

3 Claims.

This invention relates to improvements in chair seats and has reference particularly to a resilient edge construction for the front of the seat.

A chair seat ordinarily consists of a wood or 6 metal frame Supporting a plurality of spring units, either of the coil or flat non-sag type.

Upon this assembly rests the cushion. It has been found that greater comfort can be afforded chair seats of this character by installing an especially devised spring construction for the front of the seat and itis the object of this invention to provide a novel arrangement of springs along the front rail of the chair seat, whereby added re- 1 accomplish the object of this invention by means of the embodiment thereof hereinafter de-. scribed, setforth in the ap'pen'dedclaims and illustratively exemplified in the accompanying 20 drawing, in which:

Figure 1 is a substantially'transverse section viewof a chair seat and cushion;

' Figure 2 is a perspective view of the. chair seat; showing the front edgespring construction. 0 Referring to the drawing, ll denotes a boxlike seat comprising side and back rails and a fiat "depressed front rail H, the latterbeing much broader than the sides and substantially one-half the height. The back portion of the rail is reinforced by means of a web piece or block I! which is secured in pomtion against the inner face of the rail II by means of screws II. In the drawing, I have shown spaced fiat springs it disposed acrossifrom side to side of the seat rail ll, each spring comprising a zig-zag strand Mounted upright upon the front rail. are a' number ofclosely adjacent spring units Ii, each thereof comprising an internal spring coil indi- .vidually enclosed in a cylindrical cloth casing l I,

45 010W at opposite ends. The top coil of each unit supported upon the front rail I i is about level with the flat. springs l4 and a wire clip or tie piece I8 is' used to attach the upper coil of each unit to an adjacent angle of the Iraqi; fiat spring. 50 The entire seat is ooveredat its top by a covering I! which is brought downwardly over the spring units It and is attached to the front rail Ii.

'lhe forwardi'face of the front rail II in the present instance is covered by a skirt portion of the seat covering II. The seat or cushion 22 comprises asprlngfllledpadunderlaidwithholr able because ordinarily the front edge of a seat the nearest loop of said zig-zag spring.

or other suitable material. The covering 2| is perforated over its top piece and the edges 22' are headed to provide an attractive finish. The skirt is a depending portion of the sides and front of the covering 2! and a. bead 23 is formed in the material between the sides, front and skirt portion 20. The free under edge of the skirt,

'portion 20 is turned under the side, back and front rails in and I l and a separate bead 24 is placed against the turned under portion and the two superimposed layers of materials are tacked or otherwise attached to the undersides of rails v to holdwthe cushion in position. silient support will be given to the cushionalong 15 the forward edgethereof.

A construction for chair or other seats according to the present invention is particularly desir- 15 is the first part to break down after use, but when reinforced with individual spring units along the front edge directly beneath the cushion, the edge retains its initial resiliency almost 2 indefinitely.

' What I claim is: i

u 1. In a chair seat the combination of a frame having two side rails, a front rail of a height substantially less than that of said side rails, a zig-zag spring mounted won and extending be- 25 tween said side rails in a horizontal plane above the upper surface of said frOnt rail with the front ends of its loops disposed adjacent a vertical plane through the rear edge of said front rail, a row of hdical springs supported on said front rail with their top coils substantially in the horizontal plane of said zig-zag spring, and means toconnect the top coilof each of said helical springs with the forward end of the nearest loop of said "zig-zag spring.

2..A chair seat as claimed'in claim 1 comprising further additional zig-zag springs mounted on and extending between said side rails in thehorizontal plane of the first mentioned zig-zag 4 'springandrearwardlythereof. o

-3.In a chair seat the combination of a frame having upright side and back-rails and a front railof a height substantially less than that of said side rails, a zig-zag spring mounted'on and extending between said side rails in a horizontal