Collapsible cart
US7172207B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 1, 2005 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Jun 1, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2205/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A collapsible cart comprising two elongate handle bars, four vertical telescoping bars, two main vertical supports, two horizontal cross-bars, two anchor blocks, four diagonal pivoting support bars, and two wheel assemblies, wherein each telescoping bar is fixedly attached at one end to a horizontal cross-bar and rotatably attached at the other end to a handle bar, wherein each vertical support is attached at one end to an anchor block, wherein each handle bar slides up and down on a vertical support, wherein each horizontal cross-bar is attached at one end to a telescoping bar and at the other end to another telescoping bar, wherein each diagonal pivoting support bar is rotatably attached at one end to the horizontal cross-bar on one side of the cart and at the other end to the handle bar on the other side of the cart.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.