Self-tracking cart
US8490993B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2011 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2202/90
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A self-tracking cart is provided and includes a body defining an enclosure into and from which a secondary cart is receivable and removable, selectively rotatable first and second hitch assemblies, first and second motive elements, first and second steering assemblies to turn the first and second motive elements in opposite directions responsive to rotations of the first and second hitch assemblies and a linkage, which is coupled to the first and second hitch assemblies to cause the first and second hitch assemblies to rotate jointly in opposing directions, the linkage being disposed for non-interference with the secondary cart during reception and removal thereof into and from the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.