专利名称：Security-transfer systems发明人：Roger C. Drew申请号：US08/199671申请日：19940222公开号：US05469657A公开日：19951128
摘要：A security system controls two sliding (or other) doors 6 and 7 to allow onlyone door to be opened at a time. A pivoted bolt 13 is pushed by a mechanical link 16 intothe opening-path of the door 6 when a lever 15 that abuts the leading-edge of the otherdoor 7 pivots back upon opening movement of that door. A corresponding mechanismincludes a link 26 which couples a pivoted bolt 23 to a lever 25 that abuts the door 6, suchthat the bolt 23 blocks opening of the door 7 when the door 6 begins to open. Themechanical links 16 and 26 may be replaced by hydraulic links.
申请人：DREW; ROGER C.
代理机构：Davis, Bujold & Streck
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