Swivel and stop-limit feature on wheelbarrows for automatic load adjustment
US7934728B2 · kind B2 · utility
10Cited by
11References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2008 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jan 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2301/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wheelbarrow having two wheels mounted on an axis which is allowed to swivel, thereby allowing the axle to tilt with the terrain while the tray and handles remain substantially level. The wheel assembly is coupled to stop-limits to prevent the excessive tilting of the wheels with respect to the tray and handles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.