Multi-use hand truck
US5244221A · kind A · utility
Inventor
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | Sep 14, 1993 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S269/905
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A multi-use hand truck or dolly apparatus and more particularly, a hand truck useable in the commercial building construction industry. It is capable of being used in both a vertical mode as well as a horizontal mode. When used in its vertical mode, it is capable of carrying up to five doors or other large objects. When used in its horizontal mode, it serves as a sturdy planar work support surface and permits a workman to perform required tasks thereon. Additonally, the apparatus can be joined with another like apparatus and present a much larger horizontal planar work surface. The apparatus includes telescopic frame members which permit accommodation of various length loads. Further, a plurality of swivel casters are provided which allow full rotational movement of the apparatus when used in its horizontal mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.