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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0959157 (1992-10-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 0 |
An auxiliary locking device to be employed in a door knob includes a lock body that has at least two parallel through-bores extending through the body. A first retaining bolt is slidably received in one of the through-bores and includes two ends extending out from the lock body. A second retaining b
An auxiliary locking device for a door lock which includes a latch bolt formed on a door on which said door lock is fixed and a recessed groove formed on a door frame of said door to receive said latch bolt when said door is closed , said auxiliary locking device comprising: a lock body having at le
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