Hand truck
US9969411B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2015 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Jun 22, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B5/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hand truck includes a frame, a toe plate connected to the frame, a pair of wheels rotatably secured to the frame, and a handle connected to the frame. A fourth-wheel attachment is pivotally connected to the frame at a first point and removable connected to the frame at a second point. A lever positioned adjacent to the handle causes the removable connection between the fourth-wheel attachment and the frame to be released, allowing the fourth-wheel assembly to pivot away from the frame. An embodiment of a hand truck includes a break back bar. The break back bar is pivotable with respect to the frame. The break back bar may be deployed and stood on by a user to prevent movement of the hand truck while pivoting a load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.