US2541468A

US2541468A - Spring cushion with telescopic frame

Info

Publication number: US2541468A
Application number: US119383A
Authority: US
Inventors: Ebert Frances
Original assignee: STEPHEN L WOOD
Current assignee: STEPHEN L WOOD
Priority date: 1949-10-03
Filing date: 1949-10-03
Publication date: 1951-02-13
Anticipated expiration: 1968-02-13

Description

Feb. 13, 1951 E'BERT SPRING CUSHION WITH TELESCOPIC FRAME Filed Oct. 3, 1949 FRANCES EBERT INVENTOR Patented Feb. 13, 1951 UNITED STATES PAT EN'E. OFFICE SPRING-CUSHION WITHLTELESCOPIC. FRAME Frances Ebert, Decatur, Ill., assignor-ofbne-halfi toi Stephen-L. Wood,: Decatum-Ill.

ApplicationOctobcr 3, 1949, Serial'N 0. 119383 4-1Glaims.

Theipresentinvention relates toa spring-construction for vehicle seats, chairs, mattresses and the like.

Heretofore, the upper and lower framesiof' springs, such for example asare used for cushions in vehicle seats and other spring cushions which are subjected to constant off-center vertical compressions and constant weights have after considerable use become, out of alignment; The result is that the springs, padding and covers therefor soon are very lopsided, uncomfortable and are connected together and held in position by vertical side members adapted to reciprocate one within the other, thereby increasing the strength, durability and flexibility of the assembly.

The above and further objects and advantages of the present invention will more fully appear from the following detailed description thereof, in which one embodiment of the invention is illustrated in the accompanying drawings.

In the drawings:

Fig. 1 is a perspective View of the invention, the spring cushion elements being extended fully, that is, not depressed, and it will be noted that no seat cushion or covering of any kind has been shown, as this feature may be of any suitable type, and is not part of the invention.

Fig. 2 is an enlarged View, partly in section of the right-hand end and partly in elevation of the left-hand end showing the device fully extended (not depressed), and indicating clearly the telescopic connecting members located between the top and bottom frame members.

Fig. 3 is a view similar to the Fig. 2, but showing the device depressed as it would appear if the whole assembly were to be depressed evenly and completely, over its entire area, the telescopic members shown depressed to their maximum capacity.

Fig. 4 is an enlarged fragmentary top plan view of one corner portion of the device, but not showing the bottom peripheral frame member or hoop to facilitate a clearer view.

Fig. 5 is an enlarged fragmentary bottom lan View of one corner portion of the device, showing both the top and bottom peripheral frame members or hoops.

Referring in detail to the drawings, the present invention includes upper and lower frame mem-- bers- A and B. The upper frame A comprises aplurality of longitudinal rods or wires iiland transverse rods or wires H. These wires ill and I! are notchedinwardly along their respective lengths to form notches l2 and 53, respectively.

The wires Illand H are crossed over and under each other at the notches to provide for strength of structure. Also, the notches are arranged so that a straight length of one of the cross wires seats therein to thereby avoid any outwardly projecting bumps in the assembled structure. This facilitates obtaining a smooth bed or frame foundation for the application of an overstuffed cushion or padding, not shown, and serves to impart firmness to x the intercrossed wires Hi and H as it tends to prevent slippage of the crossed over wires.

The ends of each set of crossed wires land 1 l are bent downwardly to form right angled extensions |4 over a surrounding closed peripheral member, such as a wire loop or hoop i5, preferably of relatively heavier gage than the said cross wires, see Figs. 1, 2 and 3.

The right angle extensions l4 each have axially secured thereto, as by welding, a hollow tube I6 of metal or rigid material. This tube it opens downwardly in the direction of the lower frame B, which is likewise formed of cross wires H and I8, see Fig. 5. The cross Wires IT and I8 adjacent each of their free ends are formed into a coil l9 around the circumference of a closed wire loop or hoop 21!. From the coil l9 the free ends of the wires I! and [8 are bent upwardly to form right angled extensions 2|. Each extension 2l telescopically fits within the bore of one of the tubes [6. Thus the two frames A and B are telescopically connected in such a manner as to be maintained in superimposed alignment.

Between the opposed faces of the frames are interposed a plurality of coil springs 22, each of which are shown covered with a cloth tube 23 and connected together and secured to the cross wires of the frames A and B by small ties 24, see Figs. 4 and 5.

Thus, there is provided a cushion or mattress frame construction and assembly possessing strength and durability, while at the same time being of such flexible nature as to maintain its shape and regular neat appearance even under heavy and rough usage, such as in motor trucks, theater seats, and the like.

While only one embodiment of the invention is described and illustrated, it is to be expressly understood that other combinations and arrangements of the parts likely to be made by others skilled in the art are also to be considered as within the scope hereof. To determine the scope of the invention reference should be had to the appended claims.

I claim:

1. A cushion spring comprising an upper and lower frame, said frames each comprising a plurality of longitudinal and transverse wires crossed alternately over and under each other, a pcripheral hoop connecting the wires of each frame, said free ends of the wires of the frames being bent over the said hoop at substantially right angles so their ends are directed toward each other, and a plurality of hollow members carried by the free ends of the wires of one of the frames positioned to telescope over the free ends of the wires of the other of the said frames.

2. A cushion spring comprising an upper and lower frame, said frames each comprising a plurality of longitudinal and transverse Wires crossed alternately over and under each other, a peripheral hoop connecting the wires of each frame, said free ends of the wires of the frames being bent over the said hoop at substantially right angles so their ends are directed toward each other, a plurality of hollow members carried by the free ends of the wires of one of the frames positioned to telescope over the free ends of the wires of the other of the said frames each of said wires of the frames being notched to receive a straight portion of an alternately over crossed wire, and a plurality of coiled springs between the frames so that each notched portion of the frames is centered along an axial line of each spring.

3. A vehicle seat spring comprised of superimposed frames and telescopic side connection members between the frames holding the same in set alignment, the first and second of said frames each comprising a peripheral hoop, said hoop supporting a plurality of interwoven longitudinal and transverse wires, said first frame having the free ends of said wires bent over said hoop and downwardly at substantially right angles thereto, said second frame having the free ends of its said wires coiled around the circumference of its peripheral hoop and extending upwardly at substantially right angles thereto, and hollow tubular members carried by each of said free ends of the first frame in telescopic connection with each of the free ends of the said wires of the second frame.

4. A vehicle seat spring comprised of superimposed frames and telescopic side connection members between the frames holding the same in set alignment, the first and second of said frames each comprising a peripheral hoop, said hoop supporting a plurality of interwoven longitudinal and transverse wires, said first frame having the free ends of said wires bent over said hoop and downwardly at substantially right angles thereto, said second frame having the free ends of its said wires coiled around the circumference of its peripheral hoop and extending upwardly at substantially right angles thereto, hollow tubular members carried by each of said free ends of the first frame in telescopic connection with each of the free ends of the said wires of the second frame, and coiled springs axially centered at each crossing point of said wires adapted to normally retain the said telescopic connection extended.

FRANCES EBERT.

REFERENCES CITED UNITED STATES PATENTS Name Date Gyles Apr. 11, 1950 Number