Hand truck
US4114916A · kind A · utility
13Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | May 25, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B1/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hand truck includes a main load-supporting frame and a temporary load-supporting section at one end thereof slidably supported on the main frame such that pivotal movement of the hand truck about is wheels results in a shifting of the center of gravity of the material loaded on the main frame toward the axes of the wheels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.