Patent ID: 11912252
Assignee: ROBERT BOSCH GMBH
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A hydraulic unit for a hydraulic vehicle braking system, comprising:
a hydraulic block that has a cylindrical hole in which a piston is axially displaceably guided;
a sleeve disposed nonrotatably at a mouth of the cylindrical hole and surrounds the piston; and
a rotation prevention element that is disposed between the sleeve and the piston and extends in a displacement direction of the piston, and which holds the piston nonrotatably by positive engagement, wherein a rear end of the rotation prevention element is held in a first receptacle of the sleeve, and the rotation prevention element projects forward out of the sleeve toward the hydraulic block;
wherein the sleeve has an inwardly projecting flange having a hole constituting the first receptacle for the rear end of the rotation prevention element.