A Casement Window Closure System

摘要

A cranking assembly for operating a window including a rotatable handle assemble able to pivot into a low profile storage position, a gear transmission assembly, a pair of hingedly interconnected arms connected to a drive unit with an extendible member coupled to one of the interconnected arms by a cam and cam follower in cooperation. / "'t~~97 ------- 'WA -V"' e. Et-A Figure I E