Cleaning fan having snap in blades

Details Cleaning fan having snap in blades Cleaning fan having snap in blades

1994-04-26

1995-11-07

Melius, Terry Lee

Crop threshing or separating

Cleaner

With fan feature

56 128, A01F 1248

Patent

active

054643724

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.

REFERENCES:
patent: 3469773 (1969-09-01), Pool et al.
patent: 4265077 (1981-05-01), Peters
patent: 4303079 (1981-12-01), Claas et al.
patent: 4906219 (1990-03-01), Matousek et al.
patent: 5165855 (1992-11-01), Ricketts et al.

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