| 摘要 |
IN-LINE ROLLER SKATE An in-line roller skate which has a supporting frame provided with two side walls that delimit, between them, a recess for mounting at least three aligned wheels, each wheel being mounted so that it can rotate about a respective axle or pivot with at least one bearing interposed, and with two supporting seats for each axle which are formed so as to face each other in the side walls in order to accommodate a hub of the axle of a respective wheel. Each seat has an opening with two circular lobes that have the same diameter but have centers that are spaced by less than one diameter. A detachable insert is meant to close at least part of the opening of one of the lobes of each seat and to act as partial abutment for the hub seated directly in the other lobe.
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