| 摘要 |
Propelling roller skate comprising a selector on which the pedal is articulated and which is adapted to be placed in two positions: a propulsion position and a braking position. The selector is articulated on the brake device which also carries the shaft of the propulsion lever. The brake device is itself adapted to turn about the drive shaft of the driving wheels. The selector carries a stop finger carrying a brake stop and a propulsion stop cooperating respectively with the brake device and with the propulsion device to prevent the movement which does not correspond to the position selected.
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