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 2168715
A transmission gear synchronizing apparatus includes a longitudinally extending drive shaft, a ratio gear journally mounted on the drive shaft, a hub fixed on the drive shaft, an internally splined, annular shiftable clutch collar mounted for coaxial movement with the drive shaft to enable engagement with both the hub and the ratio gear, thereby linking the ratio gear with the hub, and a synchronizing assembly positioned between the clutch collar and the ratio gear and mounted for coaxial movement with the drive shaft. The synchronizing assembly includes an outer ring, an inner ring and a center ring. The outer ringhas an externally splined surface for engagement with the internal splines of the clutch collar, and a frustoconical interior surface, the outer ring being connected to the hub for rotation with the hub. The inner ring has a frustoconical outer surface and a generally vertical end surface corresponding to a generally vertical surface on the ratio gear, the inner ring being connected to the hub for rotation with the hub and for transmitting torque to and from the hub. The center ring ispositioned between the outer and inner rings, and has a frustoconical exterior surface corresponding to the outer ring interior surface, and has a frustoconical interior surface corresponding to the inner ring exterior surface, the center ring being connected to the ratio gear for rotation with the ratio gear. Friction surfaces are positioned between the center ring exterior surface and the outer ring interior surface, between the center ring interior surface and the inner ring exterior surface, and between the inner ring vertical end surface and the ratio gear vertical surface.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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