Doffer for a cotton cleaner
US10440887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2017 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Jan 4, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D91/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cotton doffer structure for doffing cotton snagged on a surface having debris. The cotton doffer structure comprises a plurality of single-piece extrusions cooperating to provide a rim. The rim has a longitudinal axis and a periphery with radial protrusions integrally extending outward from the periphery. A shaft is coupled to the rim for rotation therewith about the longitudinal axis in a forward direction and surrounded by the rim. Brushes are provided. Each brush has a base end supporting upstanding bristles, an opposing distal end, a leading side generally facing the forward direction, and an opposing trailing side. Each support member is provided that has a leading end and a trailing end with an upright flange. The brush support member secures a responsive one of the base ends of the plurality of brushes against a respective one of the radial protrusions with the upright flange located adjacent the leading side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.