Patent ID: 6446391
Filing Date: 2002-09-10
Classification: E05F

Abstract:
A cable actuator combined with a casement sash having a sash hinge system movably connecting the sash to a casement, the cable actuator including a cable winder operating an opening pull cable and a closing pull cable to open and close the sash, the cable actuator comprising:a. a cable engager extending from said sash or a hinge bar for said sash arranged to move into engagement with the opening pull cable as the sash moves to a closed position; b. engagement of the opening pull cable by the cable engager when the sash reaches a closed position being arranged to force the opening pull cable in a direction substantially perpendicular to an elongated path longer than a shortened path to which the opening pull cable moves when tensioned by the winder to open the sash; c. movement of the opening pull cable from the elongated path to the shortened path in response to the winder tensioning the opening pull cable being arranged to move the cable engager; and d. movement of the cable engager upon movement of the opening pull cable from the elongated path to the shortened path being arranged to initiate opening of the sash from the closed position.