Patent ID: 8267823
Filing Date: 2012-09-18
Classification: B65G,F16H

Abstract:
1. A device for activating a cogged flexible transmission organ, which comprises: at least one support pulley borne idle on a drive shaft, such that the at least one support pulley is freely rotatable thereabout, the at least one support pulley provided for abutting, at a calibrated circumference thereof, tops of the cogs of the cogged flexible transmission organ for defining a predetermined winding radius of the flexible transmission organ; at least one cogged drawing pulley, flanking the at least one support pulley and keyed on the drive shaft, for rotation therewith, the at least one cogged drawing pulley having cogs which enmesh with recesses of the cogged flexible transmission organ for advancing the cogged flexible transmission organ, the drawing pulley having cogs sized such that during enmeshing with and advancing the cogged flexible transmission organ, tops of the cogs of the cogged drawing pulley are displaced away from bottoms of the recesses of the cogged flexible transmission organ, and tops of the cogs of the flexible transmission organ are displaced away from bottoms of recesses of the at least one cogged drawing pulley.