| 摘要 |
<p>A blocking device for hand crank drives on automobile sliding roofs is disclosed. The device includes a crank arm, carrying at its end a crank knob and pivotally attached to a rotatable hub plate fixed to the crank pedestal and capable of being folded in over the crank pedestal into a seating slit of the hub plate and locking in a spring-like manner in its two limiting positions. The crank knob, when the crank arm is in its foldedin position, is situated in a pot-shaped depression of a dish, which is nonrotatably fixed concentrically to the crankshaft and surrounds the hub plate. A plurality of pot-shaped depressions are disposed at uniform intervals around the circumference of the dish, the walls of these depressions being oriented approximately perpendicularly to the cranking plane.</p> |
