Electric hand tool
US3935909A · kind A · utility
65Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1974 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Aug 20, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/65
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric hand tool is disclosed which uses nickel-cadmium type cells to energize a small motor driving the tool. The speed of the motor is reduced by means of an epicyclic gear, requiring no increase in the diameter of the hand tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.