发明授权
US4440335A Support rod steamer rod lock 失效
支撑杆蒸笼杆锁

Support rod steamer rod lock
摘要:
A support rod steamer rod lock has a slot for receiving a support rod end and provided at the slot's ends with normally closed spring-biased latches which at one end of the slot are opened by engagement with the rod end and at the other end of the slot are opened by engagement with a cam.
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