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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0085853 (1979-10-18) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 31 인용 특허 : 0 |
Ambulatory apparatus forassisting an invalid is disclosed which includes a rigid frame on which is carried at least three wheels. A brake shoe cooperates with at least one of the wheels. The brake shoe is biased into engagement to limit the movement of the walker unless the bias is manually overcome
A walker for assisting an invalid which comprises a rigid frame, at least three wheels carrying said frame, a brake comprising a shoe dimensioned for engagement with the periphery of one of said wheels, said shoe cooperating with at least said one of said wheels, biasing means for urging said shoe i
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