| http://www.w3.org/ns/prov#value | - otatable insert which pivots at a first end against the catch in such a manner as to be interposed between the fork and catch when the fork engages said pin; said insert being arranged to cooperate, by means of its second enddistant from the first, with a hook-shaped portion of the fork, and being dragged rigidly with the catch by a spring connected to the insert eccentric to the position in which
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