| 摘要 |
The device for inserting and removing rollers in single- row roller skates, in which the axles are inserted through aligned openings in a frame and are mounted therein, includes an axle having at one end a circumferential groove or opening. Into the circumferential groove or opening extends a removable locking member in the form of a pin or a hook, wherein the axle is secured in a given rotary position by adjusting a bolt lever 9. The rollers 15 of the roller skate are rotatably mounted on the said axle.
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