Haymaking machine for tedding and windrowing of fodder

Harvesters – Tedders

Patent

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A01D 7900

Patent

active

041446992

ABSTRACT:
A haymaking machine for the tedding and windrowing of fodder, comprises a pair of rake wheels driven in rotation on which working tool carrier arms extend outwardly and are mounted for pivoting in support bearings articulatedly connected to a drive hub. Each of these arms has at its end adjacent the axis of rotation of the corresponding rake wheel, a control crank having a roller thereon. The roller rolls on one of two guide tracks. The inner guide track is for windrowing and the outer guide track is for tedding. The arms occupy a relatively raised position and the axes of rotation of the wheels are tipped forward during tedding; while the arms occupy a relatively lowered position and the axes of rotation of the wheels are substantially upright during windrowing.

REFERENCES:
patent: 3546867 (1970-12-01), Hauser-Lienhard
patent: 3664105 (1972-05-01), Stiefrater et al.
patent: 3735573 (1973-05-01), Dziuba et al.
patent: 3910019 (1975-10-01), Schlittler

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