Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Patent
1987-12-07
1988-11-01
Butler, Douglas C.
Spring devices
Spring panel
Spring panel comprises vertically oriented compressible coil...
5248, 5256, 5269, 5267, 267 97, A47C 2302, F16F 304
Patent
active
047813601
ABSTRACT:
A spring assembly wherein there is a rectangular border wire and there are coils disposed in spaced, parallel rows within the border wire. The coils in the rows of coils lap and are connected by helices of wire. The helices of wire connect the adjacent rows of coils, and the coils adjacent the border wire are connected thereto by a helix of wire.
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patent: 4639957 (1987-02-01), Wells et al.
patent: 4699362 (1987-10-01), Krakauer
Butler Douglas C.
Gammons Robert T.
Webster Spring Co. Inc.
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