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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0086558 (1993-07-01) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A sheet material sling is supported on a horseshoe-shaped device mounted on three casters which forms a vehicle to support a knee of a user. Two such supports are used, unconnected to each other by users who must kneel in their work and must scoot along a support surface. Provisions are made for the
A pair of mobile knee supports comprising two identical wheeled vehicles, each designed to receive and support a human knee; each said support including an outer U-shaped strip and an inner U-shaped strip spaced concentrically apart, three spaced casters located respectively at the center of said st
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