发明名称 Mechanic's creeper
摘要 A mechanic's creeper having improved strength and increased mobility without sacrifice in work height, for use on a work surface is disclosed. The improved creeper comprises a triangular array of three straight castors, an integral frame suspended from the castors. The frame comprises a plurality of structural members and a plurality of weight bearing cross-bracing members engaging the castors, thereby transferring the weight of the structural members and any load placed thereupon to the castors.
申请公布号 US5108118(A) 申请公布日期 1992.04.28
申请号 US19890451192 申请日期 1989.12.15
申请人 SCHAEVITZ, LESTER P. 发明人 SCHAEVITZ, LESTER P.
分类号 B25H5/00 主分类号 B25H5/00
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