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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0673403 (1976-04-05) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 0 |
A door lock device suitable for operation with electrically operated means, which in turn can be actuated by magnetic card, special turn key, or a key punch combination for security purposes. If desired the lock device may be operated with a suitable mechanical or key lock mechanism. The door lock c
A door lock device for use with a door frame member and movable door member comprising a housing mountable in one of said members, the other of said members having a receptacle in an edge adjacent said lock device, a latch bolt pivotally mounted to said housing about a generally upright axis when in
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