Adjustable torque clutch for remote controlled circuit breakers

Details Adjustable torque clutch for remote controlled circuit breakers Adjustable torque clutch for remote controlled circuit breakers

1997-07-08

1998-12-08

Lillis, Eileen Dunn

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Torque transmitted via frictional engagement of planar...

464 46, F16D 702

Patent

active

058461337

ABSTRACT:
An adjustable torque clutch assembly is provided for use in a motor operator. The clutch assembly includes a cylinder ring disposed between upper and lower clutch plates and houses a pair of friction discs, a drive plate disposed between the friction discs, and a spring for forcing the friction discs together to create a frictional coupling force between the drive plate and the friction discs. The exact amount of frictional force is determined by the distance between the upper and lower plates. A rubber gasket is disposed between the housing and one of the clutch plates for allowing adjustment of the distance between the clutch plates, thereby allowing the frictional force, and hence the overall clutch torque to be adjusted. A plurality of screws are provided to secure the clutch plates together once the distance between them, and hence the frictional force has been adjusted to a desired amount.

REFERENCES:
patent: 2561830 (1951-07-01), Vanderzee
patent: 3955622 (1976-05-01), Thackston
patent: 3987687 (1976-10-01), Bland et al.
patent: 4060010 (1977-11-01), Henden
patent: 4445876 (1984-05-01), Entrup
patent: 4561855 (1985-12-01), Kondo
patent: 4921083 (1990-05-01), Etscheidt

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