| 摘要 |
<p>This invention relates to a bidirectional espagnolette gearbox (10) comprising a main gear (20). The main gear has gear teeth (26) in driving engagement with a first actuator (16), and a reverser gear (22) having gear teeth in driving engagement with a second actuator (18), rotation of the main gear (20) causing movement of the first actuator (16) and the second actuator (18) in opposite directions. The gear teeth (26) of the main gear (20) are in driving engagement with the gear teeth of the reverser gear (22). The invention also provides a bi-directional espagnolette mechanism comprising the gearbox and at least one locking member</p> |
