Dual mode grease gun
US4664298A · kind A · utility
62Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | May 1, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/206
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hand lever operated grease gun that has both high pressure and high volume modes by changing the mechanical advantage of the lever acting on a dispensing piston. A spring biased pivotal connection between the lever and a forwardly mounted supporting link is shiftable between two positions by depression of the lever against the biasing force of the spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.