192 clutches and power-stop control – Clutches – Transversely engaged
Patent
1991-05-21
1992-06-02
Lorence, Richard
192 clutches and power-stop control
Clutches
Transversely engaged
192 85AT, 192 88B, 192 91A, 188170, 188366, F16D 2504, F16D 6526
Patent
active
051179571
ABSTRACT:
A coupling assembly can be used as either a clutch or a brake to transmit force between a pair of elements. The coupling assembly includes an annular base which is connected with one of the elements and has radially inwardly and outwardly facing sides. A plurality of rim segments are disposed in an annular array adjacent to one of the radially facing sides of the base. An annular fluid extensible tube is disposed between the annular array of rim segments and the base. A plurality of friction shoes are disposed in an annular array adjacent to a second radially facing side of the base. The friction shoes are connected with rim segments by side plates. A plurality of springs are disposed between the friction shoes and the base. The springs firmly press the friction shoes against a friction surface connected with the second element to transmit force to retard relative rotation between the two elements. The tube is radially extensible under the influence of fluid pressure to move the rim segments away from the base and to move the friction shoes toward the base. As the friction shoes move toward the base, the springs are compressed between the friction shoes and the base.
REFERENCES:
patent: 2185986 (1940-01-01), McCoy
patent: 2897924 (1959-08-01), Fawick
patent: 3334946 (1967-08-01), Strobel
patent: 3618726 (1971-11-01), Sugahara
patent: 4552257 (1985-11-01), Witt
patent: 4795016 (1989-01-01), Schisler
Eaton Corporation
Lorence Richard
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