摘要 |
<p>The device has a push rod connected with operating levers (16, 18), and movable between two end positions. A spring system (58) prestresses the push rod into an end position according to each of its position, and into another position after overcoming a dead centre. The operating levers are flexibly connected with the push rod, and are rotatable around a common axis. The spring system is eccentrically engaged at the operating levers. A locking pin is arranged at a base plate, which is movable around an axis with respect to a housing.</p> |