Patent ID: 9381900
Filing Date: 2016-07-05
CPC Classification: B60T,F16D

Claim Text:
1. An electric brake booster including an electric motor activating a booster piston acting on the master-cylinder when the brake pedal is activated, the booster piston being driven in the direction of the action of same on the master-cylinder by the electric motor linked to a mechanical transmission, the mechanical transmission comprising: two transmission shafts housed in respective bearings of a body of the brake booster, the transmission shafts each being integral with a symmetrical worm gear and carrying a spur gear that meshes with a rack of the booster piston; and a screw carried by a shaft of the electric motor, the screw meshing with the two symmetrical worm gears, wherein the transmission shafts are free in translation relative to the screw and to the body of the electric brake booster but are integrally interconnected in the translational movement of same.