Standup operated portable hand grass trimmer
US3996729A · kind A · utility
0Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1975 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Feb 24, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G3/067
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention teaches a dolly device and its separable connection to a normally portable hand-held electric power grass trimmer for converting same for standup operation. The dolly has a base plate with spaced upstanding arms supporting at the upper ends inwardly extended tabs and these tabs fit within recesses in the opposite side walls of the tool housing, and a lock mounted on the dolly base plate can be easily moved against the bias of a spring to fit into a recess in the rear wall of the tool housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.