发明名称 Mobile Loading Dock with Wheel Assembly
摘要 A mobile loading dock including a planar ramp member having an underside with a wheel assembly. The wheel assembly includes a tension spring, hydraulic member, a leg hingedly attached to the ramp underside and a wheel attached to the leg. The tension spring exerts a pulling force on the leg and wheel and the hydraulic member exerts a pushing force. The combined forces are directionally disposed to erect the wheel assembly when the lower end of the mobile loading dock is raised from a resting position in contact with the ground surface to a mobile position.
申请公布号 US2016031660(A1) 申请公布日期 2016.02.04
申请号 US201514885537 申请日期 2015.10.16
申请人 Leum Grant 发明人 Leum Grant
分类号 B65G69/30;E01D15/12 主分类号 B65G69/30
代理机构 代理人
主权项 1. A mobile loading dock comprising a planar ramp member having: a lower end terminating in a lower edge; an upper end including an upper edge; and a ramp underside having a wheel assembly thereupon, the wheel assembly having (a) a tension spring; (b) a hydraulic member; (c) a leg hingedly attached to the ramp underside; and (d) a wheel attached to the leg at an axle and disposed to contact a ground surface beneath the mobile loading dock.
地址 Excelsior MN US
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