Synchronizer

Details Synchronizer Synchronizer

2006-11-07

2006-11-07

Bonck, Rodney H. (Department: 3681)

192 clutches and power-stop control

Clutches

Progressive engagement

C192S053341

Reexamination Certificate

active

07131521

ABSTRACT:
A double acting synchronizer (18) includes cone clutch friction surfaces (24,40aand26,42a) and jaw clutch teeth (28,38band30,38c) for frictionally synchronizing and positively connecting gears (14,16) to a shaft (12), and a plurality of integrated self-energizing/pre-energizing/blocker assemblies (44). The assemblies include pairs of self-energizing surfaces (54a,54band56a,56b) that respectively engage pairs of self-energizing surfaces (46a,46band48a,48b) to increase the engaging force of the cone clutches. The pairs of self-energizing surfaces are separated by non-self-energizing surfaces (54e,56eand46c,48c) which engage to prevent unwanted engagement of the self-energizing surfaces when the synchronizer is in neutral. A detent mechanism resiliently positions the non-self-energizing surfaces for engagement when the synchronizer is in neutral.

REFERENCES:
patent: 4641734 (1987-02-01), Muller et al.
patent: 5425437 (1995-06-01), Nellums
patent: 5544727 (1996-08-01), Braun
patent: 5588516 (1996-12-01), Braun et al.
patent: 2003/0006116 (2003-01-01), Jackson
patent: 1 098 824 (1961-02-01), None
patent: 0 663 541 (1995-07-01), None

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