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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0650312 (1976-01-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
A ladderless safety escape device includes a cable drum upon which a cable is wound having means secured to the free end thereof for the support of a person. A braking mechanism is operatively connected to the cable drum for controlling the rate of descent of the person. A brake control mechanism is
A ladderless safety excape device comprising in combination: a frame; a cable drum mounted rotatably in said frame; a cable wound upon said drum and having means secured to the free end thereof for the support of a person; a braking mechanism for said drum for controlling the rate at which said cabl
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