192 clutches and power-stop control – Clutches – Automatic
Patent
1979-03-05
1980-09-16
Staab, Lawrence J.
192 clutches and power-stop control
Clutches
Automatic
188 827, 192 40, F16D 1106, F16D 1304
Patent
active
042224730
ABSTRACT:
A four-way pawl clutch has forward and reverse drive pawls pivotally mounted on a cage. The cage carries two indexable phasing rings. One is resiliently coupled to the forward drive pawls by overcenter leaf springs which bias the forward drive pawls toward or away from an engaged position with the clutch drive members depending on the indexed position of the phasing ring. The second phasing ring is resiliently coupled to the reverse drive pawls in a like manner. The two phasing rings may be indexed to provide freewheel, forward drive, reverse drive and lock-up modes of operation. The two phasing rings may be remotely controlled by solenoids or the like. The two phasing rings may also be coupled so that the four-way sprag clutch operates essentially as a two-way dog clutch.
REFERENCES:
patent: 1469700 (1923-10-01), Sheldon
patent: 1470074 (1923-10-01), Gomez
patent: 1609698 (1926-12-01), Constantinesco
patent: 1664320 (1928-03-01), Pitter
patent: 1915643 (1933-06-01), Barnes
patent: 2134420 (1938-10-01), Smith
patent: 2181244 (1939-11-01), McGrew
patent: 2404092 (1946-07-01), Reynolds
patent: 2720296 (1955-10-01), Briglia
patent: 2773574 (1956-12-01), Able
patent: 3102618 (1963-09-01), Lund
patent: 3216544 (1965-11-01), Ryan
patent: 3599767 (1971-08-01), Sederquist
Fodale F. J.
General Motors Corporation
Staab Lawrence J.
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