Conical spring

Details Conical spring Conical spring

1997-08-27

1999-03-09

Schwartz, Chris

Spring devices

Coil

Conical

267180, F16F 106

Patent

active

058789987

ABSTRACT:
A conical spring is formed by a steel wire, which is coiled into a series of rings in opposite directions. The wire is first coiled from the base thereof in one direction and in accordance with a predetermined rotating angle and is then coiled in a reverse direction according to a predetermined rotating angle.

REFERENCES:
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patent: 653155 (1900-07-01), Tilden
patent: 2086321 (1937-07-01), Kudo
patent: 2649298 (1953-08-01), Wulff etr al.
patent: 3300042 (1967-01-01), Gordon
patent: 3862751 (1975-01-01), Schwaller
patent: 4531016 (1985-07-01), Duve
patent: 4735403 (1988-04-01), Matsumoto et al.
patent: 4923183 (1990-05-01), Saka
patent: 5425531 (1995-06-01), Perraut

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