Caterpillar Inc.

Jens M Erp

Alan Dale Gustafson

Randall Rey Bendtsen

Mark D Fabry

Cary J Lyons

A brake apparatus includes a brake disk secured to a shaft and a reaction plate secured to a housing. The brake apparatus further includes a fluid actuated piston which urges the brake disk against the reaction plate to slow rotation of the shaft and an adjustment member positioned by the piston. The brake apparatus yet further includes a spring interposed between the adjustment member and the piston. The piston positions the adjustment member relative to the brake disk when fluid is applied to said piston. The spring urges the piston away from the adjustment member and brake disk when fluid pressure is removed from the piston.

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DeKalb, IL, United States of America

Jens M Erp