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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0406483 (1982-08-09) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A lock for a pair of doors hung in a single door frame, usually an inner main door and an outer door which may be a storm door and usually includes glass or screen panels through which a caller may be observed and identified, the lock including a pair of bolts carried by the door frame and operable
A lock mechanism for a double door arrangement including an inner door and an outer door mounted in a single door frame, the free edges of said doors moving generally normally to their planes to open and close, said mechanism comprising: a. a pair of bolts mounted in said door frame adjacent the fre
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