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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0447245 (1982-12-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 5 |
A system for moving personnel between two elevations has features that allow control of ascent and descent by the passenger. The system has a cage carried by a load bearing cable that is moved to raise and lower the cage. The cable also has a plurality of electrical conductors within it that are ins
A system for moving personnel between two elevations comprising: cage means for carrying at least one passenger; powered lifting means, having a load bearing cable secured to and supporting the weight of the cage means, for moving the cable to raise and lower the cage means; the cable having a plura
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