192 clutches and power-stop control – Clutches – Plural clutch-assemblage
Patent
1995-05-23
1996-12-31
Pitts, Andrea L.
192 clutches and power-stop control
Clutches
Plural clutch-assemblage
192 5333, 74339, F16D 2308, F16H 338
Patent
active
055885160
ABSTRACT:
A baulkring-type synchronizer mechanism (18) includes cone clutch friction surfaces (24,28 and 26,50) and sets jaw clutch teeth (58,28 and 60,30) for frictionally synchronizing and positive connecting gears (14,16) to a shaft (12). Blocker teeth on baulkrings (40,42) prevent asynchronous engagement of the jaw clutch teeth and transmit operator shift forces (F.sub.o) from a shift sleeve (34) to the cone clutches. Angled self-energizing surfaces (72a,72b,74a,74b) are affixed to an outer circumference of a hub (32) and engage angled self-energizing surfaces (76a,76b,76c,76d) affixed to a shift sleeve (34) to provide an additive force (F.sub.a) that is transmitted via the blocker teeth to the cone clutches. The jaw clutch teeth include axially movable first and second sets of teeth (58,60) defined by the shift sleeve (34) and axially fixed sets of teeth (28,30) secured to the gears. When the sleeve is in a neutral position, the first and second sets of the teeth (58,60) are loosely disposed respectively in portions of grooves in hub (32). When one of the first and second sets of teeth (58,60) are engaged with one of the fixed sets of teeth, the other of the first and second sets is closely received in a portion of its associated groove.
REFERENCES:
patent: 3548983 (1970-12-01), Hiraiwa
patent: 4573371 (1986-03-01), Akutagawa
patent: 4836348 (1989-06-01), Knodel et al.
patent: 5092439 (1992-03-01), Reynolds
patent: 5097930 (1992-03-01), Reynolds et al.
patent: 5335762 (1994-08-01), Raue
Braun Eugene R.
Olson Otis J.
Eaton Corporation
Pitts Andrea L.
Rulon Paul S.
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