Positive locking shift coupler
AssigneeAllis-Chalmers Corporation
InventorFerdynand Kolacz
Life of this patent
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Abstract
A positive locking mechanism on a shift coupler for a vehicle transmission. The locking mechanism includes a locking ring on the clutch collar. A sleeve is formed with radial openings for receiving balls which lock the clutch sleeve and clutch hub in the shifted position and retaining this position until manually released.
Claims10
A transmission clutch having a locking device comprising, a shaft, a clutch hub fixed to said shaft, a gear defining clutch teeth rotatably mounted on said shaft, a clutch sleeve slidably mounted on said clutch hub for selectively engaging said gear for connecting to said shaft, means defining a plurality of axially spaced recesses on said clutch hub, means defining radial openings angularly spaced in said clutch sleeve, at least one locking element in each of said openings of said sleeve, a locking ring embracing said clutch sleeve and defining ramp surfaces on its inner periphery formed by axially spaced notches and a central locking ridge for biasing said locking elements in said recesses of said clutch hub, centering springs biasing said locking ring to a centered position whereby said locking ridge locks said hub and said sleeve.
Dependencies are inferred from the claim text.