Equipment including a motor-driven chain saw for cutting branches from and felling trees
US5944077A · kind A · utility
Inventors
Key dates
| Filing date | Jan 20, 1998 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Jan 20, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B29/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The device for the disbranching and felling of trees is provided with a chain saw (110) and possesses a seizing means (15,16,17) swivelling relative to the blade (22) of the chain saw with a plurality of grabbing arms that are swivellable about a common axis (13), in which case the device (100) with the grabbing arms (15,16,17), whose bearing brackets and the chain saw (110), with the aid of a slewing means, which swivels the device in each case through 180.degree. to the right or to the left, is connected with a lifting means, while the chain saw (110) with its driving motor, with the aid of a swivel motor to which the chain saw (110) is secured, is swivellable through the cutting area (FIG.1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.