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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0653944 (1996-05-22) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 15 |
A vertically adjustable support has a plurality of vertically stackable and unstackable platforms, adjacent ones of the platform being joined by a coupling each of which extends downwardly from a socket in an upper platform in which the coupling is accommodated and has projections for gripping a por
A coupling for connecting two platforms to one another in vertically stacked relation, at least one of said platforms having at least one vertically extending socket for the accommodation of said coupling, said socket being open at one end thereof and having at least one cross member spanning said s
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