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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0744425 (1976-11-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
A stacker attachment for use to extend the versatility of a battery powered two wheel hand truck which can lift loads from one level to another and, more importantly, operate as a walker for moving loads up and down the stairs; but which two wheel hand truck cannot operate as a stacker because its i
A stacker attachment for releasably mounting to a two wheel, battery powered hand truck which has a movable elongated inner frame, an elongated stationary outer frame, said inner frame movable only below the wheels at the bottom of said stationary frame, said stacker attachment including an elongate
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