A brake cylinder (314) includes a brake piston. The brake piston is moveable from a brakes released position to a brakes applied position in response to either a source of brake pipe pressure or a mechanical movement of a parking brake lever (324) via manual operation of a hand brake wheel. A parking brake cylinder (312) has a locking nut (356) coupled to a moveable rod (354) interconnected to the brake piston and a locking sleeve (360) that can selectively engage the locking nut (356) in response to a source of brake pipe pressure to prevent rotation of the locking nut (356) and movement of the brake piston from the brakes applied position to the brakes released position. A manual release (384) associated with the locking sleeve (360) can cause the locking sleeve (360) to disengage the locking nut (356) and free the brake piston for movement from the brakes applied position to the brakes released position.
Automatic parking brake for truck mounted brake cylinder
2019-05-02
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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