Grid and spring subassembly for box springs

Details Grid and spring subassembly for box springs Grid and spring subassembly for box springs

1992-06-11

1993-09-21

Oberleitner, Robert J.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

267107, 5247, 5255, 5267, 5272, F16F 300

Patent

active

052462102

ABSTRACT:
A spring and grid sub-assembly for use in furniture and box spring assemblies in which spring modules are attached to the wire grid through an attachment system in which the springs are in both an over-under relationship and a side-to-side interwoven relationship with the cross wires through plastic deformation of the cross wires whereby the springs can not be removed from the wire grid without plastic deformation of either the grid or spring modules. The resultant sub-assembly can be easily transported from a sub-assembler to a final assembler without risk of the springs being displaced or removed from the wire grid. Furthermore, spring clips are not needed for attaching the spring modules to the grid.

REFERENCES:
patent: 3577574 (1971-05-01), Ciampa et al.
patent: 4339834 (1982-07-01), Mizelle
patent: 4666136 (1987-05-01), Hagemeister
patent: 4838528 (1989-06-01), Hagemeister
patent: 4896386 (1990-01-01), Ogle et al.
patent: 4921228 (1990-05-01), Lowe
patent: 4932535 (1990-06-01), Dabney
patent: 5152509 (1992-10-01), Wells et al.

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