Friction clutch assembly with a device for indicating wear on a

Details Friction clutch assembly with a device for indicating wear on a Friction clutch assembly with a device for indicating wear on a

1997-09-18

1999-06-01

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 30W, F16D 1350, F16D 2508

Patent

active

059080973

ABSTRACT:
A wear indicator for a friction clutch which is located in the drive train in a housing between an engine and a transmission. The wear indicator includes a marking which is stationary relative to the housing during operation of the friction clutch, and a marking which is movable during the engagement and/or disengagement movement of the clutch during operation. When observed in a pre-determined limit position, in particular when the clutch is engaged or released as far as possible, the two markings move closer to one another as clutch wear increases. A distance between the two markings which has been essentially reduced to zero indicates that the clutch has reached its maximum allowable wear. It thus becomes possible to easily and unambiguously check the wear of the clutch, even in situations were access to the clutch is difficult.

REFERENCES:
patent: 4452349 (1984-06-01), Tscheplak
patent: 4949827 (1990-08-01), Leigh-Monstevens et al.
patent: 5238093 (1993-08-01), Campbell
patent: 5730268 (1998-03-01), Villata

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