Patent ID: 7442137

Claim:
For an engine assembly that includes an endless belt and a device on the assembly engaged by the belt, an eccentric mounting and adjustment system for receiving the device and adjusting the position of the device to affect tension of the belt, the system comprising: a housing member fixed to the engine assembly; an array of pawl apertures defined by the housing member; removable pawls on the housing member, means for retaining the pawls on the housing member with at least one of the removable pawls in a selected one of the pawl apertures; pawl teeth on the pawls projecting inwardly relative to the housing member; a socket accepted by the housing member and rotatable therein about a socket axis; socket teeth on the socket engaged by the pawl teeth; a receiving aperture defined by the socket for receiving the device; and means for preventing relative rotation between the socket and the belt driven device; wherein the receiving aperture is disposed eccentrically relative to the socket axis, whereby rotating the socket moves the device and thereby adjusts tension of the belt.