Patent ID: 9187071
Filing Date: 2015-11-17
Classification: B60T,F16D

Abstract:
1. A disc brake comprising a floating calliper ( 100 ) which straddles the brake disc ( 2 ) which supports a fixed block ( 3 ) and forming a cylinder ( 110 ) which accommodates a piston ( 5 ) which supports a mobile block ( 4 ) in order to clamp the brake disc, the piston ( the cylinder ( the conversion cartridge ( which brake is characterized in that: A) the conversion cartridge ( 200 ) comprises: a rear part ( a front part ( B) at the level of its front part which forms the receptacle ( 113 ) which receives the conversion cartridge ( 200 ), the cylinder ( 110 ) comprises at least one longitudinal groove ( 119 ), and the conversion piston ( 270 ) comprises on its periphery at least one longitudinal rib ( 274 ) with a cross section complementary to that of the longitudinal groove ( 119 ), in order to co-operate with the latter and block the rotation of the front part ( 260 ) of the cartridge ( 200 ), whilst leaving the conversion piston ( 270 ) free in translation; C) an anti-deformation device ( 300 , 400 ), interposed between the longitudinal ribs ( 274 ) of the conversion piston ( 270 ) and the longitudinal grooves ( 119 ) of the receptacle ( 113 ) of the calliper ( 100 ), comprises a ring ( 310 , 410 ) which supports lugs ( 320 , 420 ) distributed according to the distribution of the longitudinal ribs ( 274 ) of the conversion piston, and having cylindrical tongues ( 322 a, b ; 422 a, b ), which are substantially curved according to the form of the cross section of the branches ( 274 ), in order to cover the branches ( 274 ) in the longitudinal grooves ( 119 ) of the receptacle ( 113 ) of the cylinder ( 110 ).