Pneumatic power tool
US5797462A · kind A · utility
32Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1996 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Jun 10, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/526
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A pneumatic power tool comprises a housing (10) with a pistol type handle (11), a motor located in the housing (10), a pressure air inlet passage (13) and an exhaust air passage (14) both extending through the handle (11) in substantially parallel with each other, and a manually operable throttle valve assembly (12) having two in sequence activatable valve elements (51, 53) for smooth starting and slow running of the motor, and a rotatable sleeve (40) for shifting between two positions corresponding to "forward" and "reverse" operation of the tool, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.