| 摘要 |
PURPOSE: A double armrest is provided, which is capable of easy use of each armrest conveniently when sits on the chair next to each other. CONSTITUTION: A double armrest comprises a button portion disuniting the fixing equipment and hanging equipment; a fixing unit(801) which drives gear using the power of the elasticity and fixes in order to be restored after use; a spring(900) outputting elasticity through the operation of the button portion; a gear(901) outputting the driving force through the operation of the button portion; and a secondary armrest(200) which is drawn from the inside through the operation of gear and spring.
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