Pneumatic drill device
US8540034B2 · kind B2 · utility
2Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2009 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Mar 25, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/365
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Pneumatic drill device comprising an outer casing, an assembly of a cylinder and a movable piston actuating a pick element, a device for supplying the cylinder with compressed air, an air exhaust device and an operational control device, wherein the outer casing is formed from two complementary sections adapted to fit into one another in order to enclose, in addition to the cylinder and piston assembly, the said devices for supplying the cylinder, for air exhaust and for operational control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.