Synchronizer including radially-moveable, resiliently-biased sel

Details Synchronizer including radially-moveable, resiliently-biased sel Synchronizer including radially-moveable, resiliently-biased sel

1997-08-11

1999-05-11

Marmor, Charles A

192 clutches and power-stop control

Clutches

Progressive engagement

192 53331, 74339, F16D23/06

Patent

active

059018232

ABSTRACT:
A pin-type, double-acting synchronizer (10) with friction rings (22, 36 and 24, 38), jaw members (30, 26, 28), three circumferentially spaced pins (40)including blocker shoulders for preventing asynchronous engagement of the jaw members, pre-energizer assemblies (42) to ensure initial engagement of the friction rings and blocker shoulders in response to initial engaging movement of a shift flange (32), and self-energizing cams (32f, 32g, 20e, 20f) producing an additive axial force (F.sub.a) in response to either of the cams (32f, 32g) moving a rigid link (48) radially inward against either of the cams (20e, 20f). In a modified embodiment the links (48) are replaced by spring capsules (60) which limit the maximum additive force (F.sub.a).

REFERENCES:
patent: 1923386 (1933-08-01), Murray
patent: 2993579 (1961-07-01), Altmann
patent: 3362244 (1968-01-01), Ivanchich
patent: 4576264 (1986-03-01), Lupo et al.
patent: 5078245 (1992-01-01), Nellums et al.
patent: 5085303 (1992-02-01), Frost
patent: 5092439 (1992-03-01), Reynolds
patent: 5558194 (1996-09-01), Cox

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