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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0195942 (1988-05-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 9 |
A two-plate security device. Each plate has a set of similar but opposite directed keyhole slots releasably to be joined by a headed coupler with heads that cannot pass through the neck of the slots, but can pass through a larger opening of the slot. Sliding the plates in-plane relative to one anoth
A security device comprising: a mounting plate adapted to be attached to a surface, said plate having an axis of relative motion, said plate having a plurality of keyhole slots therethrough, each said slot having an enlarged portion and a narrowed neck portion, said neck portions extending parallel
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