| 摘要 |
PURPOSE: Roller driving device in a queue roller skate is provided wherein the roller skate receives power to mobilize by external force so that it drives the roller. CONSTITUTION: The roller driving device in the queue roller skate comprises the parts of: a fixation member(101) which is placed to the lower part of the bracket and fixed at the bracket; a mobile member(102) which wraps the fixation member to be moved vertically; a support member(103) which is fixed at the lower part of the mobile member; a roller(105) which is hinge-bound with the support member to be rotatable through a horizontal hinge axis(104); and a spring tool(110) which delivers elastic power to the mobile member when the mobile member is moved upward and recovery power when the mobile member is moved downward.
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