Wear indicator for adjustable clutch

Details Wear indicator for adjustable clutch Wear indicator for adjustable clutch

1992-08-28

1993-08-24

Braun, Leslie A.

192 clutches and power-stop control

Clutches

192111B, 188 111, F16D 2200

Patent

active

052380939

ABSTRACT:
The position of an adjusting ring used in a clutch adjustable for wear is monitored by an indicator comprised of a pin having a first end biased into engagement with the adjusting ring and a second end which is visible from outside of the clutch housing. As the adjusting ring is turned to compensate for clutch wear, the adjusting ring moves axially with respect to the clutch housing and the pin moves progressively into the clutch housing. When the end of the pin is no longer projecting from the housing, the mechanic knows that clutch wear can no longer be compensated for by axially advancing the adjusting ring. In accordance with a preferred embodiment, the indicator pin is made of nylon and is retained in a nylon sleeve while being biased by a coil spring. The assembly is initially held together by abutment between a rib projecting from the pin and an end surface of the sleeve.

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