Power tool
US5339908A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Jun 25, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H59/041
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool has a speed reduction gear mechanism including a plurality of stages of planetary gear arrangements, a slide gear member disposed in a tool body to be axially movable therein to change revolution speed of the speed reduction mechanism, and a movable member operatively connected to the slide gear member for moving the same, the movable member having a ring shape and being disposed on an outer side of the slide gear member whereby the slide gear member can be smoothly moved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.