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the mechanism of interaction cioedi incernieramento with operation to arpionismo
the mechanism of interaction cioedi incernieramento with operation to arpionismo
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机译:ceredicercereramento与操作对arpionismo的相互作用机制
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摘要
A hinge device for supporting an armrest on a vehicle seat includes a ratchet mechanism in which ratchet teeth are disposed around the inside of a ratchet ring for engagement with a pawl carried by a rotor within the ring. A blocking ring coaxial with the ratchet ring is overlapped by the pawl and is carried along by engagement of the pawl in a recess of the blocking ring as the pawl ratchets over the teeth. After clearing the ratchet teeth, the pawl is lifted by cam action from the recess on to the inner surface of the blocking ring which masks the ratchet teeth and allows the pawl to be returned to its starting position where it is restored by cam action to its recess in the blocking ring wherein it can once again engage the ratchet teeth.
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