Pump head with independently sprung offset picoting rollers
US9291159B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2013 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jan 24, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B43/1276
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A roller assembly comprises a central section with a hub, the central section having a plurality of pivots located around the central section; a plurality of arms, each arm having a roller end and a pivot end, the pivot ends coupled to the central section at the plurality of pivots such that each arm is capable of pivoting independently with respect to the central section, the roller ends and pivot ends of each arm located a distance of at least one roller width away from each other; a plurality of rollers, one roller coupled to each of the roller ends of the plurality of arms; wherein the plurality of rollers and arms are located around the central section such that the pivot is located a distance away from the roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.