Nestable spring assemblies for bedding and furniture

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...

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5255, F16F 300

Patent

active

053703740

ABSTRACT:
A spring assembly for bedding and furniture which includes a support frame and a grid unit disposed above and in general vertical alignment with the frame, the grid unit including a border wire and cross wires arranged in a criss-cross pattern on said border wire. A plurality of upright spring modules are arranged in a predetermined pattern on the grid unit and supported on said frame, each of the modules being attached in a clipless manner at the upper end thereof to the grid unit so as to be connected to the unit in a manner such that up and down movement of the grid unit results in up and down compression and expansion of the spring modules. Each of the spring modules being a one-piece wire spring of tapered shape to enable spring modules to be arranged in nested stacks for shipping and storage.

REFERENCES:
patent: 3777322 (1973-12-01), Larkin
patent: 4685659 (1987-08-01), Hagemeister
patent: 4730358 (1988-03-01), Zapletal
patent: 4739977 (1988-04-01), Dabney
patent: 4862532 (1989-09-01), Wells et al.
patent: 4903949 (1990-02-01), Schulz, Jr.
patent: 4921228 (1990-05-01), Lowe
patent: 5052064 (1991-10-01), Hagemeister et al.

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