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1. 发明授权

US6070679A Powered utility cart having engagement adapters 失效
标题翻译：具有接合适配器的动力实用车
公开(公告)号：US6070679A
公开(公告)日：2000-06-06
申请号：US891003
申请日：1997-07-10
申请人： David W. Berg , Joseph D. Berg , Dennis R. Johnson
发明人： David W. Berg , Joseph D. Berg , Dennis R. Johnson
IPC分类号： B62B3/14 , B62D51/04
CPC分类号： B62D51/04 , B62B3/1404 , B62B5/0006 , Y10S280/04
摘要： The present inventive device generally allows a user to easily engage and push or pull heavy and unwieldy object(s), most notably a line of nested shopping carts, effectively and without undue strain. The cart is designed specifically with universal utility in mind. The power is supplied by either an electrically driven motor or internal combustion engine. Power is transmitted to a transaxle with belts or an electric motor electronically controlled. A simple forward/reverse control via throttle handles causes cart movement and steering is achieved through dual rear castors. The front of the cart contains a receiver that allows easy attachment for a multitude of attachments for a variety of uses. A square tube fitment with a quick release device lets the cart be configured for different markets and easy field change. One such attachment is a shopping cart adapter, which attaches to the cart through the receiver connection. It has two quick connect devices that attach to the rear of most available shopping carts. It has a center pivot that facilitates steering and positioning one or several carts.
摘要翻译：本发明的装置通常允许用户有效地并且没有不适当的应变地容易地接合和推动或拉动重且难以挽回的物体，尤其是一系列嵌套购物车。推车是专门设计的通用实用程序。动力由电动马达或内燃机提供。电力传输到带驱动桥或电动马达电子控制。通过节气门手柄的简单前进/后退控制可以通过双后脚轮实现推车的移动和转向。手推车的前部包含一个接收器，可以方便地连接多种附件，用于各种用途。带有快速释放装置的方管配件可以将推车配置为不同的市场，并且容易进行现场更换。一个这样的附件是购物车适配器，其通过接收器连接附接到推车。它有两个快速连接设备连接到大多数可用购物车的后部。它有一个中心枢轴，便于转向和定位一个或几个推车。

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