Braking device with mechanical actuation

Details Braking device with mechanical actuation Braking device with mechanical actuation

1984-05-18

1986-04-15

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188 729, 188170, 74516, F16D 5508

Patent

active

045821771

ABSTRACT:
Braking device comprising a brake motor provided with a mechanically actuated device of the rotary type (a mechanism of the screw-and-nut type with reversible pitch) and a control jack of the "spring cylinder" type connected by a power transmission mechanism to this actuation device. According to the invention, the power transmission mechanism comprises a cam (50) keyed on the spindle of the actuation mechanism of the brake motor (10), and a cable (52) attached at one of its ends to the rod (38) of the control jack (30) and at its other end held wound round the cam, the profile of the latter being determined so as to compensate the weakening of the drive force generated by the spring of the jack during its relaxation. The invention is used especially in brake systems for heavy vehicles.

REFERENCES:
patent: 149226 (1874-03-01), Kendall
patent: 3402792 (1968-09-01), Masser
patent: 3729070 (1973-04-01), Le Marchand

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