Spring devices – Bendable along flat surface – Ring or annular spider
Patent
1997-09-17
1999-04-27
Schwartz, Chris
Spring devices
Bendable along flat surface
Ring or annular spider
74 8918, 49351, E05F 1146, F16H 2702, F16F 134
Patent
active
058971068
ABSTRACT:
A spring assembly comprising an inner ring spring and an outer ring spring suitable for use in a safety device for an automobile power window is provided. The inner ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other and the outer ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other, the outer ring spring being fitted with the inner ring spring. Stoppers are provided in the vicinity of one ends of the inner and outer ring springs respectively. Each stopper is engaged with the other end of other ring spring, thereby holding one end side of each ring spring in such a condition that one end side of each ring spring is resiliently abutted against one end side of other ring spring.
REFERENCES:
patent: 2023035 (1935-12-01), Solenberger
patent: 2660913 (1953-12-01), Frisby
patent: 3591162 (1971-07-01), Bauer
patent: 3635100 (1972-01-01), Littman
patent: 3851533 (1974-12-01), Deuler
patent: 4338747 (1982-07-01), Hess et al.
patent: 4723456 (1988-02-01), Kohler et al.
Ishida Toshihiko
Ishikawa Hitoshi
Murase Michinori
Aisin Seiki Kabushiki Kaisha
Schwartz Chris
Togo Seisakusyo Corporation
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