Working apparatus
US6752403B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2001 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Apr 22, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2800/014
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A working apparatus includes a body, an engine, axles each carrying ground engaging wheels or tracks for moving the apparatus over the ground, an operator's cab mounted on the body, and at least one working arm supported at or adjacent one end on the body at a position for movement relative to the body, the arm being adapted to carry a working implement at or adjacent a second end thereof, and wherein one of the front and rear axles is suspended from the body by a suspension system which is adjustable independently of the other axle to raise the body to a fully raised position in which an uppermost part of the body is at a maximum height above the ground and a fully lowered position in which an uppermost part of the body is at a minimum height above the ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.