| http://www.w3.org/ns/prov#value | - , one piece of which is pivoted to said housing and the other piece of which coacts with said one piece and coacts with said carrier for actuating the carrier in its said reciprocal movement responsive to pivotal movement of said actuator, said other piece being withdrawable from said one piece and when so withdrawn pre???venting actuation of said switch, said one piece including an opening therei
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