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Document Number
US Patent 4620637
Issued Date
November 4, 1986
Link
Inventors
Karashima; Masashi (Nakano, Ebina-shi, Kanagawa-ken,JP)
Map
Abstract
Four metal support pipes with casters mounted on the lower ends thereof are arranged at the four corners of a quadrilateral. Pipe cover portions provided at four corners of a plurality of synthetic resin rack boards are threaded over the corresponding support pipes. Synthetic resin spacer pipes are threaded over the support pipes between the pipe cover portions of vertically-adjacent rack boards. Tubular cushion materials which can freely expand and contract are threaded over the support pipes between the pipe cover portions of the uppermost rack board and the uppermost spacer pipes, and fastening members are fitted into the upper ends of the support pipes to fasten the uppermost rack board.
Drawing
Trolley - US Patent 4620637 Drawing
Drawing from US Patent 4620637
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Number of Claims:
1
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Owner
Published
November 4, 1986
Application Number
06/774,230
Filed
September 9, 1985
US Classification
211/188   211/126.1 280/47.35 D34/21
Int'l Classification
A47B   96/00   (20060101)   F16B   7/18   (20060101)   B62B   3/00   (20060101)  
Attorney/Law Firm
USPTO Field of Search
211/188   211/194   211/126   211/133   280/47.35   280/79.3  
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