Patent ID: 11858482
Assignee: BENDIX COMMERCIAL VEHICLE SYSTEMS LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 8:
9. A commercial vehicle comprising:
at least one driven axle;
at least one service brake;
at least one propulsion engine;
a pair of wheels, wherein
a parking brake function of the vehicle is solved by a bistable locking means acting on both wheels, and
the bistable locking means comprises:
a first multi-speed gearbox having a first gear stage activated by a first actuator and coupled to a first wheel of the pair of wheels;
a second multi-speed gearbox having a second gear stage activated by a second actuator and coupled to a second wheel of the pair of wheels, wherein
the parking brake function is achieved at least in-part by concurrently activating the first gear stage and the second gear stage;

an elastic coupling; and
a sliding clutch comprising:
a toothed selector ring coupled to the elastic coupling that allows for limited rotational movement of the toothed selector ring about a sliding axis of the sliding clutch, wherein
the sliding clutch is actuated by the second actuator.