发明名称 Shopping cart having caster lift
摘要 In a shopping cart, which is nestable into a preceding, similarly constructed cart and into which a following, similarly constructed cart is nestable, a chassis has front and rear casters including two rear, transversely spaced casters and has two generally longitudinal members, each extending along one side of the chassis, on which two camming elements are mounted. A transversely extending member is mounted to and bridges the longitudinal members. The transversely extending member is adapted to be upwardly cammed by the camming elements of a following, similarly constructed cart, which is being nested into the shopping cart, so as to elevate the rear casters of the shopping cart.
申请公布号 US2004084863(A1) 申请公布日期 2004.05.06
申请号 US20030656711 申请日期 2003.09.05
申请人 UNARCO INDUSTRIES, INC. 发明人 RYAN MARK T.;WILKINSON RICHARD
分类号 B62B3/14;(IPC1-7):B62B3/00 主分类号 B62B3/14
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