公开(公告)号：US5873204A

公开(公告)日：1999-02-23

申请号：US552834

申请日：1995-11-03

申请人： William Gehn ,  Patrick Geraghty ,  James E. Kovacs ,  Robert J. Grimm

发明人： William Gehn ,  Patrick Geraghty ,  James E. Kovacs ,  Robert J. Grimm

IPC分类号： B62B3/00 ,  E06B1/04

CPC分类号： B62B3/004 ,  B62B2205/20 ,  Y10T292/0997

摘要： The present invention comprises a cart having a base and three sidewalls extending there around and upward therefrom. Four wheels are secured at bottom corners of the sidewalls to provide for easy mobility of the cart. A pair of partial doors are hingedly secured to and extend along end edges of two opposing sidewalls for permitting partial coverage of a fourth side of the cart. Each partial door includes a spring biased manually operable pin for cooperating with a plurality of slots in the cart base. In this manner the doors can be positioned from an orientation substantially coextensive with a front edge of the cart base, to positions wherein the doors are oriented inwardly of the cart loading interior space. Each door is secured to its respective sidewall in a manner wherein it can be lifted a distance sufficient to lift the pin thereof free from and above the base slots. Thus, the doors can be moved and positioned by either operating the pins manually to clear the slots, and then releasing the pin for insertion within the desired slot, or they can be lifted in their entirety and then let down to position the pins in the desired slots. The base front edge also has an inwardly angled portion along the length thereof that angles up to a horizontal shoulder. The horizontal shoulder includes the first pair of the plurality of pin retaining slots. A vertical portion then rises from the level of the shoulder to the level of the main area of the cart base. This angled structure permits a third means for operating the doors, wherein they can be slammed closed. In this mode, the end of the pin rides up on the angled portion when the door is closed with sufficient force, thereby overcoming the biasing force of the spring. The pins of each door will then insert into the first slots in the shoulder area. The vertical edge prevents any further movement of the doors inwards as the pins thereof are blocked thereby.

摘要翻译： 本发明包括具有底座和三个侧壁的推车，该侧壁在其周围并向上延伸。 四个轮子固定在侧壁的底角处，以便于便于移动。 一对部分门被铰接地固定到两个相对的侧壁的端部边缘并沿其延伸，以允许部分地覆盖推车的第四侧。 每个部分门都包括一个弹簧偏置的可手动操作的销，用于与推车基座中的多个槽配合。 以这种方式，门可以从与推车基座的前边缘基本上共同延伸的定向到位于车门向内的方向的位置。 每个门以一种方式固定到其相应的侧壁，其中它可以被提升一定距离，足以将其销钉从基座槽上方和上方提升。 因此，门可以通过手动操作销来移动和定位，以便清除槽，然后释放销以插入到期望的槽中，或者它们可以被整体提升，然后放下以将销定位在 所需的插槽。 基部前边缘还具有沿其长度的向内倾斜的部分，其倾斜直到水平肩部。 水平肩部包括第一对多个销保持槽。 然后，垂直部分从肩部的水平升高到推车基座的主要区域的高度。 这种倾斜的结构允许用于操作门的第三装置，其中它们可以被砰击关闭。 在该模式中，当门以足够的力关闭时，销的端部在倾斜部分上上升，从而克服弹簧的偏置力。 然后，每个门的销钉将插入肩部区域的第一个槽中。 垂直边缘防止门的向内进一步的移动，因为它们的销被阻挡。