MOTOR VEHICLE DISC BRAKE HAVING REDUCED TRANSVERSE CLEARANCE BETWEEN PINS AND BORES

摘要

A motor vehicle disc brake including a cover (12) including two tiered bores of parallel axes, each whereof includes at least one first section (28, 30), a caliper (10) slidably mounted axially with respect to the cover by two pins (16, 18) of parallel axes (A, B) rigidly connected to the caliper and each including at least one guiding section (24, 26) which is slidably mounted, with a radial clearance, in the tiered bore (29, 31) of the cover (12), brake wherein a cylindrical outer guiding surface of the sliding guiding section of each pin (16, 18) includes at least two opposed axial portions (64), extending angularly about the axis (A, B) of each pin (16, 18) according to an angle less than 90° , a median axial plane (M) of these two portions (64) being parallel with a plane (P) passing through the axes of the two pins .

主权项

1. Motor vehicle disc brake including:
a cover (12) including two tiered bores of parallel axes, each whereof includes at least one first section (28, 30); a caliper (10) slidably mounted axially with respect to the cover (12); two pins (16, 18) of parallel axes (A, B), each whereof includes an axial attachment end (20, 22) attached to the caliper (10) and at least one guiding section (24, 26) for axial sliding of the caliper (10) with respect to the cover (12) which is slidably mounted, with a radial clearance, in the first section (28, 30) of the associated tiered bore (29, 31) of the cover (12), wherein a cylindrical outer guiding surface of said sliding guiding section (24, 26) of each pin (16, 18) includes at least two opposed axial portions (64), each whereof extends angularly about the axis (A, B) of each pin (16, 18) according to an angle less than 90°, and a median axial plane (M) of these two portions (64) is parallel with a plane (P) passing through the axes (A, B) of the two pins (16, 18).