Foldable hand cart
US8602444B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2011 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2205/33
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hand cart has a frame having a left vertical member and right vertical member, each vertical member having a top end that is coupled to a handle bar, and a bottom end that has a pin extending therefrom. The hand cart also includes a left wheel assembly and a right wheel assembly, each wheel assembly having a tubular housing that receives a portion of a vertical member, and a wheel secured to the tubular housing, with each tubular housing having a spiral slot that receives the pin of the corresponding bottom end for movement within the slot. A carrier plate has a left seat and a right seat, each seat pivotably connected to a corresponding bottom end of a vertical member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.