192 clutches and power-stop control – Clutches – Automatic
Patent
1999-08-05
2000-11-21
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Automatic
180443, 192 43, 192 451, F16D 4107, B62D 504
Patent
active
061489778
ABSTRACT:
Known free-wheel clutches are directionally operated clutches, which permit a shaft (12) and a hub (16) to carry each other along in one relative direction of rotation, for example by means of frictional connection. From time to time it is desired, on the one hand, to permit free-wheeling in both directions and, on the other hand, for example when a secondary drive is engaged, to obtain a frictional connection optionally in one relative direction of rotation. This is achieved in that, in the rest position, the clamping elements (28) have a frictional connection to the hub (16), and, with a contact face (36) interact with a fixed element (18). Only when the hub (16) begins a rotational movement is it possible for the clamping elements (28) to jam in a first locked position or a second locked position which acts in the opposite direction. The free-wheel clutch (10) can be used, for example, for coupling an electric servomotor to a steering column of a motor vehicle.
REFERENCES:
patent: 2723531 (1955-11-01), Wosika et al.
patent: 3344686 (1967-10-01), Baker
patent: 3599767 (1971-08-01), Sederquist
patent: 4089395 (1978-05-01), Fogelberg
patent: 4693351 (1987-09-01), Adolfsson
patent: 5103950 (1992-04-01), Ito et al.
patent: 5355981 (1994-10-01), Itoh et al.
patent: 5529158 (1996-06-01), Itoh et al.
patent: 5743350 (1998-04-01), Yamawaki et al.
Bonck Rodney H.
Farber Martin A.
Mannesmann VDO AG
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