Patent ID: 6846267
Filing Date: 2005-01-25
Classification: F16D,F16H,Y10T

Abstract:
1. A gearbox adaptor comprising: a hub defining a longitudinal axis adapted to be engageable with a gear shaft for rotation therewith; at least one piston mounted within said hub; means for supplying fluid through at least one passage on an exterior of the hub to an interior passage in the hub adjacent the at least one piston in a radially inwardly flow direction towards the longitudinal axis of the hub to pressurize a first face of said at least one piston so as to move said at least one piston in a first direction; at least one gear locatable on said gear shaft adjacent said hub; at least one clutch means positioned between said at least one piston and a side wall of said at least one gear, part of said at least one clutch means being engaged with said hub and a different part of said clutch means being engageable with said at least one gear; wherein said at least one gear is freely rotatable relative to said shaft, and said at least one clutch means being located and arranged such that movement of said at least one piston in said first direction inter-engages said parts of said at least one clutch means to drivingly engage said at least one gear with said gear shaft.