Structure of lay board

作者: Yiang-Chou Liu

DOI:

关键词:

摘要: The structure of lay board according to the present invention is composed a front board, middle and rear board. Those three boards are pin-jointed by several pivots, one pad installed on each wheels at bottom such that chassis can be easily accessed or tool taken while maintaining repairing vehicle. Besides, since foldable, not only maintenance man sit it during repairing, but space for storing saved as well. thus multiple purpose appliance.

参考文章(10)
Thomas P. Dalton, Portable swivel hunter's stool ,(1979)
Silvio C. Quinonez, Foldable and convertible creeper device ,(1983)
Troy E. Shockley, Transformable mechanic's creeper ,(2000)
Hector Ray Hernandez, Multi-position mechanic's creeper ,(2006)
Lazarus Sanford S, Griffin John W, Repairman's creeper ,(1949)
Terry L. Whiteside, Kirt E. Whiteside, Combination mechanic's creeper and chair ,(2000)
Guang-Bin Liu, Two way caster benches ,(2003)
Alan H. Ebensperger, Joseph L. Martin, Outdoor stool system ,(2003)