Cleaning fan having snap in blades
US5464372A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Apr 26, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention is directed to a cleaning fan for an agricultural combine having a snap in mounting assembly for attaching fan blades to the cleaning fan. The cleaning fan comprises at least two wheels, with each wheel having a series of radially extending mounting teeth. The mounting teeth are provided with snap in mounting assemblies comprising inner and outer transverse grooves between which are located inner and an outer projections. The inner groove is located at the outer periphery of the wheel and the outer groove is located on the outer projection. A spring is located between the inner and outer projections. The fan blades are provided with rectangular mounting apertures which engage the projections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.