| 摘要 |
PURPOSE: A caster coupling device for a chair is provided to inserts the axis rod of a caster to a combining hole which passes through the lower part of the leg and the connection hole by inserting the insertion groove of the connection hole of each leg. CONSTITUTION: An end unit of each led of a chair is inserted to a insertion groove between internal/external tube portions(32,36) of a connector(14). The holding piece of the internal/external tube portions of the connection hole is combined to a holding hole of the leg. A coupling hole is exposed to the lower part of the connection hole. An axis rod(24) of a caster is forcely inserted in the combining hole.
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