发明名称 |
WINDOW OPERATOR WITH LOCKING WORM DRIVE SYSTEM |
摘要 |
An operator for controlling the movement of a window sash relative to a frame, including a base attachable to a frame; a linkage secured to the base and attachable to a window sash to control the movement of the window sash relative to a frame; a rotatable input shaft rotatably secured to the base and driveably engaging the arm, the input shaft having a female drive region formed therein; a drive member; a transmission shaft secured on one end to the drive member and having a male drive region disposable within and mateable with the input shaft female drive region to transfer rotation of the transmission shaft to the input shaft; and means for locking the transmission shaft to one of the base and the input shaft to hold the male drive region in mateable engagement with the female drive region. |
申请公布号 |
CA2254632(A1) |
申请公布日期 |
2000.01.06 |
申请号 |
CA19982254632 |
申请日期 |
1998.11.27 |
申请人 |
TRUTH HARDWARE CORPORATION |
发明人 |
VETTER, GREGORY J.;VIRKLER, PERRY L. |
分类号 |
E05F11/16;E05F11/34;(IPC1-7):E05F11/34;E05C19/00 |
主分类号 |
E05F11/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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