Patent ID: 7614493

Claim:
A belt tracking regulator comprising: a roller assembly for supporting a moving belt and including at least one intermediate roller mounted for rotation about a roller axis, the roller assembly further including at least one outer roller; a support arrangement, the roller assembly being mounted on the support arrangement for pivotal displacement about a pivot point; and guide means operable, in use, to constrain the pivotal displacement of the at least one intermediate roller to move in a plane containing the pivot point and tilted at an acute angle with respect to a horizontal plane defined through the pivot point, wherein the guide means comprises a pin receivable in a mating slot formation attached to the support arrangement, wherein guide means is operable to allow the pin to slide linearly in the mating slot formation as the roller assembly pivots under loading, wherein the pin is operable to telescope to allow the pin and mating slot formation to remain engaged while the pin is operable to slide freely as the roller assembly pivots under loading.