| http://www.w3.org/ns/prov#value | - A locking mechanism comprising a looking bolt; a support for said bolt, said bolt being mounted movable relative to said support to pawl, mounted on said support, each pawl being mounted on its corresponding push rod in such manner as to be urged into engagement with its corresponding tumbler by gravity; a slotted cover interposed between each pawl and each 'tumblerfor limiting the portion of the
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