FIELD: transport.
SUBSTANCE: invention relates to automotive industry, particularly, to brake systems. Proposed brake comprises air cylinder, piston, spring or springs, air pressure inlet to apply pressure for piston displacement against spring to rear wall, gearbox, pusher and threaded collet. In turning gearbox manually, pusher turns to engage with collet via threaded surfaces and to displace axially to release or reapply the brake.
EFFECT: perfected operation.
5 cl, 1 dwg
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