F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
116/18
F16D 66/02 (2006.01)
Patent
CA 1070179
ABSTRACT OF THE DISCLOSURE A device for indicating the wear of a brake lining on a brake whoe consisting of a stud having a central oper- ture and secured within the opening of the brake shoe, and a rivet pin slidably dispoosed in the aperture of the stud and having an enlarged head disposed a predetermined depth below the wearing surface of the lining, and a spring indicating means coupled to the opposite end of said rivet pin and secured to the stud for biasing the rivet with a withdrawal force with respect to the stud so that when the head of the rivet pin is worn away at a predetermined brake lining depth, the pin will be withdrawn from the lining and a free projec- ting end of the spring will engage the rotating brake drum to produce an audible warning sound. In another embodiment a rivet is used only to secure the spring to the brake shoe. In other embodiments the rivet is eliminated and the spring is used in conjunction with a stud so that when the stud wears away, the spring will project against the rotating brake drum.
260984
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