Synchronizing clutch assembly

Details Synchronizing clutch assembly Synchronizing clutch assembly

1988-11-07

1989-09-26

Reese, Randolph A.

192 clutches and power-stop control

Clutches

Progressive engagement

74339, F16D 1104, F16D 1328

Patent

active

048693537

ABSTRACT:
In an inertia lock- and key-type synchronizing clutch assembly, engagement between conical clutch surfaces (29, 36) of a clutch gear (28) and synchronizer ring (35) is enhanced spontaneously under a servo action by a cam means disposed between the synchronizer ring (35) and a hub member (31). Two problems arising from the servo action are solved by additional structures provided to a key member (39) and to the synchronizer ring. That is, an unexpected spontaneous engagement of the clutch mechanism from a neutral condition thereof is prevented with certainty by a cooperation of the key member and a pair of stopper projection (48, 49) on the synchronizer ring. The key member includes at an inner surface thereof a recess (50) for permitting a rotational displacement of the sychronizer ring when a clutch-engaging operation is performed. An end face of such recess includes a ramp surface (51; 51A; 51B) which cooperates with one of the projections of the synchronizer ring so as to assure a clutch-disengaging operation even when a re-engagement of the clutch surfaces due to the servo action is caused in a clutch-disengaging process.

REFERENCES:
patent: 2190964 (1940-02-01), White
patent: 2221900 (1940-11-01), White
patent: 2932373 (1960-04-01), Schmid
patent: 3703226 (1972-11-01), Strehler et al.
patent: 4185725 (1980-01-01), Maina
patent: 4413715 (1983-11-01), Michael
patent: 4573371 (1986-03-01), Akutagawa
patent: 4625844 (1986-12-01), Ikemoto et al.
patent: 4628751 (1986-12-01), Ikemoto

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