Battery powered line trimmer
US5181369A · kind A · utility
51Cited by
13References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1991 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Nov 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/902
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A battery powered line trimmer possessing a relatively high ratio of mass moment of inertia about a vertical axis extending through its center of gravity to mass. The device comprising a motor and head assembly at the forward end and a rechargeable battery pack at the rearward end of a support shaft. Also, adjustable handles, for supporting the line trimmer, attached about either side of the center of gravity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.