Coiled wave spring and production method thereof

Details Coiled wave spring and production method thereof Coiled wave spring and production method thereof

1997-03-05

1998-09-08

Young, Lee W.

Spring devices

Coil

Irregular

298969, F16F 106

Patent

active

058034447

ABSTRACT:
A coiled wave spring obtained by winding a corrugated wire into a coil shape, wherein mutually overlapping top portions and mutually overlapping base portions of the spring are in mutual contact and predetermined gaps are defined between mutually overlapping slope portions which connect the top and base portions, the first loop of the spring, that is, on the upper side, and the second loop, that is, on the lower side, are in mutual contact in an axial direction thereof only between the top portions and between the base portions, and the gaps are defined between the slope portions to prevent mutual contact. When the spring receives a load and undergoes deformation, the top portions and the base portions come into mutual contact, respectively, but hardly generate friction. Since the gaps are defined between the mutually overlapping slope portions, friction does not occur at these portions, either.

REFERENCES:
patent: 2818051 (1957-12-01), Graham
patent: 2982323 (1961-05-01), Vosshol et al.
patent: 5558393 (1996-09-01), Hawkins et al.

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