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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0923333 (1992-07-31) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
A loading dock-aid is described that facilitates the lifting and placing of heavy dock plates between the edge of a dock and the back end of a delivery truck. The dock-aid has a lifting boom with a hooked end portion that is inserted into prescribed holes in the dock plate and that is connected via
A dock aid and dock plate in combination, in which said dock aid comprises a. roller means for rolling upon a surface, said roller means having an axis; b. yoke means having end pieces spaced apart from each other, said end pieces being intersected by said axis of the roller means, and said roller m
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