Cart with multi-position doors
US5873204A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1995 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Nov 3, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/0997
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
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 an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.