发明名称 Roller stopper
摘要 A mechanic's creeper comprising a one-piece creeper frame; a first set of free-rolling wheels located proximal a first side of the creeper frame; a second set of free-rolling wheels located proximal a second side of the creeper frame; a first rotatable shaft attached to the first and second sides of the creeper frame and supporting at least one stopper thereon; a second rotatable shaft attached to the first and second sides of the creeper frame and spaced from the first shaft and supporting at least one stopper thereon, the shafts each rotatable between a stopper up condition and a stopper floor-engaging condition; a linking bar connecting the first and second shaft and providing the shafts with corresponding movement; and an actuating lever connected to an end of the first shaft and moving the shafts between the stopper up condition and stopper floor-engaging condition through a one-step process.
申请公布号 US2009085314(A1) 申请公布日期 2009.04.02
申请号 US20080284539 申请日期 2008.09.23
申请人 DIAZ ALBERTO 发明人 DIAZ ALBERTO
分类号 B25H5/00 主分类号 B25H5/00
代理机构 代理人
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