Spring brake unit and its application to a braking system

Details Spring brake unit and its application to a braking system Spring brake unit and its application to a braking system

1987-02-27

1990-01-23

Kashnikow, Andres

Brakes

Operators

Spring

188156, 188153A, 188106F, 188106P, 188361, B60T 1304, B61H 1114

Patent

active

048952273

ABSTRACT:
Braking unit for vehicle, of the type comprising an axial actuating helical spring maintained in release position, against its elastic reaction force, through a screw-nut system rotatively driven by an electric motor, the spring acting upon the brake through the intermediary of a hydraulic master cylinder of which the piston is axially connected to an abutment ring of the spring also mechanically connected, via a screw-nut system to the rotor of an electric motor, such an unit being applied to a spring braking system for a vehicle possibly with a built-in park brake.

REFERENCES:
patent: 3333902 (1967-08-01), Liverance et al.
patent: 3893544 (1975-07-01), Means
patent: 4033435 (1977-07-01), Bayliss
patent: 4395883 (1975-08-01), Melinat
patent: 4557355 (1985-12-01), Wilke et al.

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