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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | UP-0024227 (2008-02-01) |
등록번호 | US-7784768 (2010-09-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 10 |
A portable hoist assembly having a housing. The housing has a recoil spring secured thereto wherein the recoil spring is secured to a cable spool such that constant tension is provided on the cable spool. The cable spool contains a cable that is secured thereto and has a hook member secured at a fir
What is claimed is: 1. A portable hoist assembly comprising: a housing having an outer cover and a frame hinged together; a recoil spring positioned within the housing and secured to the housing such that constant pressure is provided on a cable spool that is connected coaxially to the recoil sprin
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