| 摘要 |
<p>A mechanical assembly for rotating an axle comprises means for actuating said axle and means for fixing said actuating means together in which the axle comprises an end adapted to receive said actuating means. On this end, are at least one flat and at least one groove extending over a circular arc situated at right angles with respect to the flat. The actuating means is constituted by a knob or crankhead including a central recess adapted to receive said axle end and at least two flexible parts mounted in the recess and arranged at right angles to one another. One of these parts is adapted to bear on said flat and the other provided with a pin adapted to be engaged in said groove. The fixing means is constituted by a ring adapted to encircle and grip the two parts of the actuating means respectively against and in the flat and the groove of the axle end. The ring comprises, means adapted to render it itself fast to the actuating means.</p> |
