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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0642007 (1975-12-18) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
This invention relates to electrical combination locks that compare a sequence of input signals with a stored sequence to permit the lock to be opened. The mechanical features of the lock are characterized by an arm and control member within the lock structure that inhibit bolt motion in the absence
A combination lock comprising a housing, a bolt selectively retractable within said housing, a rotatable arm for retracting said bolt, a rotatable knob journalled in said housing, a remanent control member within said housing for selectively engaging said arm, said control member being rotatable wit
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