The vehicle (2) has a current collector (4) for supplying electric energy from a contact wire (6) of an overhead line system, where an actuator (18) is formed as pneumatic actuator which has a deformable fluid reservoir with two opposite-lying end fittings...

Near the rocker (7) carrying the brush strip of the current pick up, a sensor (18) is provided. This responds to relative movement between rocker and overhead contact wire, and is coupled with a rapid-lowering unit.

The current take-off device (10) has a wiper (16) contacting an overhead current wire supported by lower and upper lever arms (12,14), acted on by a drive (26) for raising and lowering the wiper. The drive uses a hose element (28) supplied with a pressure ...