Multispeed power tool transmission
US7452304B2 · kind B2 · utility
30Cited by
102References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2008 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Mar 18, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2035
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool with a housing, a motor, an output spindle and a transmission assembly with a transmission and a speed selector. The transmission includes a plurality of planetary transmission stages that couple the motor to the output spindle. The speed selector includes only one switch member that is slidably movable between three positions to cause the transmission to operate in a corresponding number of speed ratios.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.