Patent ID: 6290027
Filing Date: 2001-09-18
Classification: F16D

Abstract:
A brake pad wear detector for detecting the wear of brake pads each having a lining and a back plate and arranged at both sides of a disk rotor, said brake pad wear detector comprising a probe detachably mountable in an outer peripheral portion of the back plate of the brake pad, and a lead wire buried in said probe, said lead wire having at least a first portion extending in a first direction, a second portion continuing from said first portion and being curved so as to extend in a second direction, and a third portion continuing from said second portion and extending in a third direction, said second portion protruding beyond said first portion and said third portion by a predetermined distance in a direction toward the disk rotor, said predetermined distance being larger than a predetermined maximum allowable height of an annular rib formed on the disk rotor at an outer peripheral portion thereof after continued use for a prolonged period of time, so that said second portion is engagable with the disk rotor prior to any engagement of the annular rib with either of said first and third portions.