Spring construction

Details Spring construction Spring construction

1975-06-17

1976-07-20

Griffin, Donald A.

Buckles, buttons, clasps, etc.

Interchangeable button loop and pin

5259B, 267110, A44B 2100, F16F 302, A47C 2302

Patent

active

039697932

ABSTRACT:
An attachment clip and assembly for attaching the end of a sinuous spring band to a wood furniture frame rail without the need for any nails or staples whatever and without any hammering or driving to engage the anchoring tangs. The clip has an anchor leg and an attachment leg. Tiny, sharp, upwardly inclined anchor saw-teeth plow in against the outer surface of the rail and automatically embed in the surface when pressure is applied by the spring band secured to a hook on the free end of the attachment leg. Anti-backoff means in the form of anti-backoff feet bearing against the inner surface of the rail and/or outwardly inclined anti-backoff tangs under the attachment leg serve to prevent the clip from becoming unseated when spring tension is released and outward shock loading applied to the clip.

REFERENCES:
patent: 1746942 (1930-02-01), Hise
patent: 2652885 (1953-09-01), Engel
patent: 2685330 (1954-08-01), Handren et al.
patent: 3288503 (1966-11-01), Slominski
patent: 3389438 (1968-06-01), Haynes
patent: 3836106 (1974-09-01), Gray

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