| 摘要 |
<p>A casement window operator system which includes an operator (12), a driven hinge (10) and a passive hinge (11). The driven hinge (10) and the passive hinge (11) are mounted to opposite sides of the frame F of a casement window. The sash S of the window is mountable by the mounting plate (17) and (28) of the hinges. The operator (12) is mounted with the frame F adjacent to the driven hinge (10) and a driven arm (20) of the operator (12) is coupled to the window sash mounting plate (17). The passive hinge (11) constructed to replicate the operating locus of the driven hinge (10).</p> |
