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1. 发明授权

US06733026B1 Folding cart 失效
标题翻译：折叠车
公开(公告)号：US06733026B1
公开(公告)日：2004-05-11
申请号：US10455708
申请日：2003-06-05
申请人： Beverly J Robberson , James D. Robberson
发明人： Beverly J Robberson , James D. Robberson
IPC分类号： B62B302
CPC分类号： B62B3/02 , B62B3/007 , B62B5/067 , B62B2205/12
摘要： A folding cart is disclosed which has a forward section, a main section, and a rear section, along with forward and rear end rails and left and right side rails. The forward and rear portions of the left and right side rails fold to a coplanar position with the main portion of each respective side rail, while the forward and rear end rails fold down to a position coplanar with the forward section and rear section, respectively. The forward and rear sections may then be rotated to a position over the main section. The forward and rear sections each have mounted to their bottom surfaces a dual wheel assembly, each dual wheel assembly having a pair of wheels which may be folded to a position parallel to their respective forward or rear section. The forward dual wheel assembly is mounted to the front section of the folding cart a rotating pivot, while the rear dual wheel assembly is mounted directly to the rear section. Finally, a folding handle is provided which is attached to the forward dual wheel assembly. The handle, when folded, extends from the midpoint of the forward dual wheel assembly over the folded wheels to the rear of the folded cart and clasps to the rear of the folded cart.
摘要翻译：公开了一种折叠车，其具有前部，主要部分和后部部分，以及前后轨道和左侧和右侧轨道。左侧和右侧轨道的前后部折叠到与每个相应的侧轨的主要部分的共面位置，而前端和后端轨道分别折叠到与前部和后部共面的位置。然后可以将前部和后部旋转到主部分上方的位置。前部和后部各自已经在其底部表面上安装了双轮组件，每个双轮组件具有一对轮，其可以折叠到平行于其相应的前部或后部的位置。前向双轮组件安装到折叠车的前部一转动枢轴，而后部双轮组件直接安装在后部。最后，提供了一个折叠手柄，它连接到前向双轮组件上。手柄折叠时，从前面的双轮组件的中点延伸到折叠的车轮上，到折叠车的后部，并且扣在折叠车的后部。

2. 发明授权

US06874799B2 Folding hand truck 失效
标题翻译：折叠手推车
公开(公告)号：US06874799B2
公开(公告)日：2005-04-05
申请号：US10356054
申请日：2003-02-01
申请人： James D. Robberson , Beverly J Robberson
发明人： James D. Robberson , Beverly J Robberson
IPC分类号： B62B1/12 , B62B1/00
CPC分类号： B62B1/12 , B62B2205/04 , B62B2205/12
摘要： A folding hand truck comprising an upper frame, a middle frame, a lower frame, a platform, and a dual wheel assembly. The lower end of the upper frame is rotatably connected to the upper end of the middle frame, and the upper end of the middle frame is rotatably connected to the upper end of the lower frame, and the respective ends contain locking pins for locking the upper frame, middle frame, and lower frame in a substantially coplanar orientation. The platform is rotatably connected to the bottom of the lower frame such that the rear edge of the platform contacts the lower end of the lower frame in the operative position. The dual wheel assembly has a central bracket mounted to the rear side of the lower frame and has two rotatable wheel brackets capable of being locked in both operative and folded positions. When in the folded position, the platform folds into the lower frame, which folds into the middle frame. The upper frame folds into the middle frame over the lower frame between the wheels, which are then folded over the upper frame and locked in place, securing the hand truck in the folded position.
摘要翻译：一种折叠手推车，包括上框架，中框架，下框架，平台和双轮组件。上框架的下端可转动地连接到中间框架的上端，中间框架的上端可旋转地连接到下框架的上端，并且各个端部包含用于锁定上框架的锁定销框架，中间框架和下框架，其基本上共面定向。平台可旋转地连接到下框架的底部，使得平台的后边缘在操作位置接触下框架的下端。双轮组件具有安装在下框架的后侧的中央支架，并且具有能够在操作和折叠位置锁定的两个可旋转轮支架。当处于折叠位置时，平台折叠成下框架，折叠到中间框架中。上框架在中间框架之间折叠在车轮之间的下框架上，然后将其折叠在上框架上并锁定在适当位置，将手推车固定在折叠位置。

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