Lift truck
US5372470A · kind A · utility
8Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1993 |
| Grant date | Dec 13, 1994 |
| Priority date | — |
| Expiry date | Nov 15, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A manually movable lift truck having a base with a self-contained power plant therein and a column rising therefrom. The column includes a hollow post with a rotatable featureless shaft therein. A flexible chain has an outer end connected with a lift fork, and runs upwardly and then down into the interior of the post. Miter gears and a sprocket are mounted at the top of the post, and the chain runs over this sprocket. The portion of the chain between the sprocket and lift fork is the only active portion thereof, and the remaining portion remains loose and free.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.