Coil spring for overrunning spring clutches

Details Coil spring for overrunning spring clutches Coil spring for overrunning spring clutches

1996-10-11

1998-09-01

Young, Lee W.

Spring devices

Torsion

Coil

192415, F16F 110

Patent

active

057999317

ABSTRACT:
A coil spring (10) for an overrunning spring clutch assembly wherein the coil spring (10) includes a crossover coil (20) having a longitudinal crossover gap (24) formed therein, and a dynamic balance weight (40) secured in combination with one of the internally opposed surfaces (24s) of the longitudinal crossover gap (24). The dynamic balance weight (40) is configured such that, when assembled in combination with a central arbor (32) and coaxial clutch members (34) of the overrunning spring clutch assembly, the dynamic balance weight (40) is spaced apart from the central arbor (32) and each of the clutch members (34). Furthermore, the dynamic balance weight (40) is fabricated from a material having a density .rho..sub.BW which is greater than the density .rho..sub.CC of the base material from which the crossover coil (20) is fabricated.

REFERENCES:
patent: 4570318 (1986-02-01), Kish
patent: 4690390 (1987-09-01), Kish
patent: 4869471 (1989-09-01), Schwarz et al.
patent: 4926991 (1990-05-01), Stone et al.
patent: 4934499 (1990-06-01), Kish
patent: 4938333 (1990-07-01), Kish
patent: 5360211 (1994-11-01), Smith et al.

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