Paint pump for airless spray guns
US4030857A · kind A · utility
41Cited by
11References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1975 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Oct 29, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B49/24
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a fluid actuated paint pump for high pressure airless spray guns and includes a novel unloading system in combination with a self-reversing fluid motor connected to a double-acting pump which supplies paint from a reservoir to an airless spray gun at a pressure which may run as high as 3500 psi.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.