Extendable boom fork lift vehicle
US4986721A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Aug 17, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/144
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An extendable boom fork lift vehicle is disclosed wherein the bottom and its actuator are positioned over the rear axle of the vehicle such that the weight of the frame between the front and rear axles and behind the rear axle may be reduced. A modified boom and jib are also described wherein the jib may be selectively fixed relative one telescoping member of the boom. A light-duty carriage is provided to operably engage and articulate a secondary heavy-duty carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.