Synchronizer with self-energizing

Details Synchronizer with self-energizing Synchronizer with self-energizing

1996-07-31

1998-02-03

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Progressive engagement

192 53331, F16D 2306

Patent

active

057134472

ABSTRACT:
A pin-type, double-acting synchronizer mechanism (10) with friction clutches (26, 46 and 28, 48), jaw clutches (34d, 30a and 36d, 32a) and improved self-energizing ramps (70a-70d and 72a-72d). Three circumferentially spaced pins (50) include blocker shoulders for preventing asynchronous engagement of the jaw clutches and pre-energizer surfaces which each cooperate with a pre-energizer assembly (52). The self-energizing ramps act between a shaft (12) and a shift flange (42) which is rotatable relative to the shaft and jaw clutch members (34d, 36d). Flange (42) includes radially inwardly extending teeth (72) defining the self-energizing ramps (72a, 72d) which act against the self-energizing ramps (70a, 70d) defined by a post like portion (70) formed from shaft splines (13).

REFERENCES:
patent: 2238723 (1941-04-01), Fishburn
patent: 2260863 (1941-10-01), Orr
patent: 2627956 (1953-02-01), Perkins
patent: 2942712 (1960-06-01), Altmann
patent: 3548983 (1970-12-01), Hiraiwa
patent: 4732247 (1988-03-01), Frost
patent: 4869353 (1989-09-01), Ohtsuki
patent: 5092439 (1992-03-01), Reynolds
patent: 5558194 (1996-09-01), Cox
patent: 5617938 (1997-04-01), Tsukada et al.

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