Brake System for Cart.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent relates to a brake system for a cart having at least two non-pivotal wheels. A pair of wheels are fixedly mounted on a rotatable axle which has a pair of hubs keyed thereto. A brake disc is associated with each hub and is restrained from rotation but is movable relative to the longitudinal axis of the axle. A brake element is provided for each disc and has a movable shoe and a fixed shoe so that, upon actuation of the brake element, the movable shoe engages one side of the disk and moves the disk into contact with the fixed shoe. The brake element is normally in a locked or braking condition and is unlocked by hydraulic means. Both brake elements are operated by a single control unit.
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