Brakes – Operators – Electric and mechanical
Patent
1988-10-04
1989-09-12
Reger, Duane A.
Brakes
Operators
Electric and mechanical
74 8915, 188 2D, 188162, F16D 6534
Patent
active
048651656
ABSTRACT:
The electrically actuated cable mechanism (10) comprises a housing (12) disposed about the cable (15) and having a movable conduit (20) extending from one end and a stationary conduit (30) extending from the other end, each conduit (20, 30) being disposed about the cable (15). Located between the conduits (20, 30) and engaging the movable conduit (20) is a hollow screw (25) which is disposed about the cable (15). The hollow screw (25) has a non-circular end (27) received in a complementary shaped opening (18) of the housing (12) in order to prevent rotation of the hollow screw (25). An electric motor (40) drives rotatably a nut (35) which engages threads of the screw (25) so that rotation of the nut (35) by the motor (40) causes axial displacement of the hollow screw (25) and a corresponding displacement of the movable conduit (20) relative to the stationary conduit (30) and housing (12), which by reaction, causes the cable (15) to be displaced. The cable (15) may be attached to parking brake mechanisms of a vehicle.
REFERENCES:
patent: 3036668 (1962-05-01), Falk et al.
patent: 4175646 (1979-11-01), Eikelberger
patent: 4381049 (1983-04-01), Crossman
patent: 4456101 (1984-06-01), Yamamoto et al.
patent: 4491203 (1985-01-01), Monick
patent: 4570506 (1986-02-01), Yamamoto et al.
patent: 4596316 (1986-06-01), Crossman
Allied-Signal Inc.
Decker Ken C.
Palguta Larry J.
Reger Duane A.
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