Mulcher attachment for cultivator

Details Mulcher attachment for cultivator Mulcher attachment for cultivator

1977-08-08

1978-12-19

Johnson, Richard J.

Earth working

Tool, standard or connection

Spring biased or formed tool or tool part

172771, A01B 3524

Patent

active

041308204

ABSTRACT:
A bracket structure is provided for attachment to the rock shaft of a draft implement and a swing arm having front and rear ends is pivotally attached at its front end to the bracket structure for oscillation of the swing arm relative to the bracket structure in a vertical plane about a horizontal transverse axis between a position with the swing arm generally horizontally disposed and a rearwardly and downwardly inclined position. Positioning and limit structure is operatively connected between the bracket structure and the swing arm limiting downward swinging of the arm relative to the bracket structure, allowing upward swinging of the rear end of the swing arm toward a horizontal position and including force structure yielding biasing the swing arm toward its limit of rearward downward inclination. The rear end of the swing arm includes a reversible smoothly laterally curving strap-type terminal end constructed of spring material.

REFERENCES:
patent: 222500 (1879-12-01), Hughes
patent: 2857834 (1958-10-01), Hirasuna
patent: 2963095 (1960-12-01), Oehler
patent: 3331451 (1967-07-01), Zoeteman
patent: 3536145 (1970-10-01), Clark
patent: 3800881 (1974-04-01), Washburn

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