FIELD: automotive technology.
SUBSTANCE: wear indicator contains a housing (18), which is made with the possibility of screwing into the body of the wheel brake cylinder (2), in which the piston (3) with a circular rubber seal (4) and a flexible split ring (5) is located, which is displaced towards the wear signalling device during braking irreversibly under the action of the coupling spring (11), while in the body (18) a ball (10) is placed, spring-loaded by the spring (9), which, when interacting with the ring (5), at the maximum allowable wear of the lining, is pressed until it closes with the contact (19), at which point the current from the battery (22) passes through the light bulb (21), signalling the wear of the brake shoe lining.
EFFECT: increase in the level of traffic safety, elimination of the possibility of damage to the brake drums and discs.
1 cl, 2 dwg
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