Haymaking machines

Details Haymaking machines Haymaking machines

1979-04-26

1981-06-30

Hirsch, Paul J.

Harvesters

Tedders

56 172, A01D 7810, A01D 8000

Patent

active

042755514

ABSTRACT:
A haymaking machine has two tined raking heads driven to rotate about upwardly extending axes from respective mountings. The mountings are connected to the rear of beams that converge forwardly to a right-angled junction in a common gear box. A coupling near the junction is connectable to a three-point lifting hitch and a pair of spaced apart plates from a pivot connected at one side of the plates adjacent the junction. A retaining element secures the beams in operative positions about the pivot. Each rake head has two freely rotatable tubular or cylinder supporting members positioned thereunder, each of which is pivotably connected to a lower portion of their corresponding rake head. A rear crop guide is pivoted to each rake head near its mounting by a quadrilateral linkage which can be secured in any one of a plurality of guide positions.

REFERENCES:
patent: 1940216 (1933-12-01), Jacobson
patent: 2287126 (1942-06-01), Packwood
patent: 2509936 (1950-05-01), Packwood
patent: 2961251 (1960-11-01), Roberton
patent: 2962854 (1960-12-01), Jepson
patent: 3334911 (1967-08-01), Enters
patent: 3664105 (1972-05-01), Stiefvater et al.
patent: 3789590 (1974-02-01), Wilson
patent: 4015412 (1977-04-01), Reber
patent: 4015413 (1977-04-01), van der Plas

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