| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame structure of an armrest in a seat back with excellent operability.SOLUTION: A frame structure of an armrest 1 can extend and contract the armrest 1 to a contracted state in which the armrest has a length enabling it to be stored inside a recessed part and an extended state in which the armrest is longer than the contracted state, and includes a guide means (spring 4, strip-like body 7, interference part 11) for putting the armrest 1 into a stored state in a raised attitude and putting the armrest 1 into the extended state in a projecting attitude. |
