Two-stroke operable pump
US6065947A · kind A · utility
20Cited by
6References
7Claims
0Family size
Inventor
Key dates
| Filing date | Dec 14, 1998 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Dec 14, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B33/005
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump includes a main body, a piston slidably received in the main body, and a hose having a first end attached to an end of the main body and a second end attached to the piston. A handle is attached to a piston rod, which, in turn, is attached to the piston. Air is outputted to a main passage via the hose during an outward stroke. Air is outputted to the main passage via a hole defined in the end of the main body during an inward stroke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.