Air gun
US4128209A · kind A · utility
22Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 1977 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Sep 12, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/123
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Inexpensive air gun has body with internal fixed coaxial tubular element having closed end with radial openings. A tubular valve element is reciprocal on the tubular element to valve off the radial openings. Tubular valve element is operable by actuator from outside body. The valve element has pressure-balanced surfaces for ease of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.