Brakes – Operators – Electric and mechanical
Patent
1988-12-15
1990-07-31
Kashnikow, Andres
Brakes
Operators
Electric and mechanical
74650, 188 721, B60T 1374
Patent
active
049443720
ABSTRACT:
The electrically actuated braking system (10) comprises a controller mechanism (14) that may be activated by a switch (12). The controller mechanism (14) sends a signal to an electric drive motor (20), and receives braking force signals from a sensor (16) connected to one of two braking members (18, 19) connected with the drive motor (20). The drive motor (20) is operated by the controller mechanism (14) in order to rotate a drive member (31) of a load-equalizing differential (30), the load-equalizing differential (30) being connected by a flexible drive connection mechanism (50) with the braking members (18, 19). The load-equalizing differential (30) comprises the drive member (31) having a plurality of circumferentially spaced-apart openings (34) each of which receives therein a ball member (36, 36A). Disposed about the drive member (31) and balls (36, 36A) and facing each other are two plates (40, 42) each of which is connected with a segment of the flexible drive connection mechanism (50). Each plate (40, 42) has series of ramps (44) and cam tracks (46) which are shaped complementary to the ramps (44) and cam tracks (46) of the other plate (40, 42). Rotation of the drive member (31) by the drive motor (20) causes rotation of the plates (40, 42) so that equal torque may be applied, via the flexible drive connection mechanism (50), to the braking members (18, 19).
REFERENCES:
patent: 1282614 (1918-10-01), Miller
patent: 2139405 (1938-12-01), Frederickson
patent: 2651214 (1953-09-01), Randall
patent: 2938407 (1960-05-01), Nallinger et al.
patent: 2967438 (1961-01-01), Altmann
patent: 3111043 (1963-11-01), Panhard
patent: 4603594 (1986-08-01), Grimm
patent: 4795002 (1989-01-01), Burgei et al.
Allied-Signal Inc.
Decker Ken C.
Graham Matthew C.
Kashnikow Andres
Palguta Larry J.
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