Double synchronizer having integrated axial locking means

Details Double synchronizer having integrated axial locking means Double synchronizer having integrated axial locking means

1989-12-29

1991-06-11

Braun, Leslie A.

192 clutches and power-stop control

Clutches

Progressive engagement

192 53F, 192 53E, 74339, F16D 2306

Patent

active

050225065

ABSTRACT:
A double synchronizer for two gear pinions (14A, 14B) freely mounted on each side of a hub (12) fixed to a shaft (10) and on which is axially slidably mounted a control sleeve (22) for the purpose of occupying a plurality of axial positions defined by locking means (26A, 40A) comprising a plurality of radial push means (26A) having balls (32A), each of the balls (32A) of the radial push means being elastically biased outwardly so as to cooperate with an inner notched axial track (40A) on the sleeve. According to the invention, the push means comprise two series of push means (26A) evenly and alternately spaced about the axis X--X of the hub (12), each of the two series being associated with a synchronizer of one of the two gear pinions.

REFERENCES:
patent: 2900059 (1959-08-01), Zittrell et al.
patent: 4641734 (1987-02-01), Muller et al.
patent: 4712662 (1987-12-01), Elverdam

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