Brakes – With condition indicator – Wear
Patent
1996-02-09
1997-12-16
Young, Lee W.
Brakes
With condition indicator
Wear
188 715, 192 30W, F16D 6600
Patent
active
056974728
ABSTRACT:
This invention relates to an indicating apparatus to determine the amount of wear that has occurred in the friction material of a brake assembly or other friction coupling. The apparatus utilizes a pin member that is positioned in a sealed bore in the housing of the friction coupling. A first end portion of the pin member is positioned for contact and movement of an actuating piston when the piston is in an engaged position. The distance between the a second end portion of the pin member, housed within the bore, and an outer surface of the housing may be determined by a depth gage. Measurements may be taken to determine movement of the pin member within the bore and thereby establish the amount of wear of the friction material in the friction.
REFERENCES:
patent: 3376959 (1968-04-01), Holcomb, Jr. et al.
patent: 4186822 (1980-02-01), Khuntia et al.
patent: 5035303 (1991-07-01), Sullivan
Kawasaki Shop Manual, pp. 15-019, Model 115Z III.
Carlson Robert D.
Gibes Richard J.
Haymond Charles T.
Walker Gordon L.
Wintermute Ronald E.
Caterpillar Inc.
Perry William C.
Young Lee W.
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