发明名称 Cross bar locking device
摘要 A modular electric door lock for securing a door, includes a tubular housing selectively affixed to the door. A pair of brackets are positioned on either side of the door frame and fixedly attached thereto in alignment with the tubular housing. A pair of oppositely disposed slides are contained within the housing and are adapted for telescopic extension from the housing into the brackets, or for retraction therefrom. An electric motor contained within the housing extends the slide members into telescopic engagement with the brackets or retracts them as desired. The electric motors may be battery operated or operated off of 110 volt household current. A switching mechanism, which includes a timer is used for selectively locking the door. An alarm is provided for preventing auauthorized entry.
申请公布号 US4762350(A) 申请公布日期 1988.08.09
申请号 US19870107106 申请日期 1987.10.13
申请人 HURTADO, OTTO 发明人 HURTADO, OTTO
分类号 E05B47/00;E05C19/00;(IPC1-7):E05C17/54 主分类号 E05B47/00
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