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公开(公告)号：US20130127138A1
公开(公告)日：2013-05-23
申请号：US13671457
申请日：2012-11-07
IPC分类号： B62B3/02
CPC分类号： B62B3/02 , B62B3/108 , B62B2202/66 , B62B2205/006 , B62B2206/006
摘要： A tool assists a user to open a frozen car door without causing damage to the car door or door frame. The tool can be carried on a key ring so as to be readily available to the user. The tool can be made in a hook shape with smooth edges and with a resin or plastic material that will not damage the vehicle like a conventional metal screwdriver may cause.
摘要翻译： 一个工具帮助用户打开一个冷冻车门，而不会对车门或门框造成损害。 该工具可以携带在钥匙圈上，以便用户容易获得。 该工具可以制成具有光滑边缘的钩形状，并且可以像传统的金属螺丝刀一样使树脂或塑料材料不会损坏车辆。
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公开(公告)号：US08820773B2
公开(公告)日：2014-09-02
申请号：US13671457
申请日：2012-11-07
CPC分类号： B62B3/02 , B62B3/108 , B62B2202/66 , B62B2205/006 , B62B2206/006
摘要： A convertible hand cart can be converted among a panel cart, a tray cart, a hotel cart, a utility cart, a mechanic's cart, a gardener's cart, and the like. The convertible hand cart can be used to transport items through doorways and through narrow halls. In addition to the ability to hall panels, the panel cart configuration has the ability to haul long lumber, doors, windows, mattresses and many other odd shaped items. The convertible hand cart has a removable, repositionable handle and a removable tongue to provide various configurations.
摘要翻译： 可以在面板车，托盘车，酒店车，实用车，技工车，园丁车等中转换可转换手推车。 可转换手推车可用于通过门口和狭窄的大厅运输物品。 除了大厅面板的能力外，面板车配置还具有拖拉长木材，门窗，床垫等许多奇异物品的能力。 可转换手推车具有可移动的可重新定位的手柄和可拆卸的舌头，以提供各种配置。
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3.发明申请公开(公告)号：US20200223462A1
公开(公告)日：2020-07-16
申请号：US16189957
申请日：2018-11-13
摘要： Methods and apparatus improve the panel support rail, tongue, handle and hinge system for hand-trucks, carts and dollies that convert to panel-carts. A panel-cart, typically seen in large building supply stores, is used to carry plywood panels, windows, door and other similar object as well as long lumber, all of which cannot be carry by a standard hand-truck. The conversion efficiency of a hand-truck to a panel-cart is improved and the user complexity reduced, partially by attaching parts with hinges that were previously separate components, further by using the handle as a primary or secondary support rail when placed in the extended position via hinges or fixed receivers.
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