发明授权
US4641385A Armboard rail 失效
扶手板轨

Armboard rail
摘要:
A rail assembly for a wheeled stretcher or the like is provided. The assembly is pivotably mounted to the stretcher and may be locked in up, down or horizontal positions. Unlocking is accomplished by pushing a locking tab while moving the assembly towards the foot end of the stretcher.
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