F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 3/38 (2006.01) F16D 23/06 (2006.01)
Patent
CA 2174263
A baulkring-type synchronizer mechanism (18) includes cone clutch friction surfaces (24,48 and 26,50) and sets jaw clutch teeth (58,28 and 60,30) for frictionally synchronizing and positive connecting gears (14,16) to ashaft (12). Blocker teeth on baulkrings (40,42) prevent asynchronous engagement of the jaw clutch teeth and transmit operator shift forces (Fo) 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 (Fa) 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.
Braun Eugene Ralph
Olson Otis John
Borden Ladner Gervais Llp
Corporation Eaton
LandOfFree
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