Harrow

Details Harrow Harrow

1999-04-02

2000-12-26

Batson, Victor

Earth working

Plural relatively movable tools

Plural tool groups relatively vertically movable because of...

172705, 172615, 172621, 172624, 172633, 172643, 172707, 172739, A01B 2304

Patent

active

061643866

ABSTRACT:
A harrow is provided having an elongate tool bar mounted on wheels for movement in a forward direction perpendicular to the tool bar. A plurality of harrow elements are mounted on the tool bar to extend generally rearward therefrom. A pair of support arms are pivotally mounted on the tool bar at a first end and mount each harrow element on a second end towards a rearward end of the harrow element. A hanger is connected between the support arms and the harrow element towards a forward end of the harrow element for suspending the harrow element therefrom. A plurality of tines are mounted on the harrow element such that the angle of the tines relative to the ground may be adjusted. A coupling connects between the hanger and the tines such that the height of the front end of the harrow frame is adjusted in response to tine angle adjustment.

REFERENCES:
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patent: 4368783 (1983-01-01), Hake et al.
patent: 4615286 (1986-10-01), Linton
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patent: 5044449 (1991-09-01), Stirek et al.
patent: 5168936 (1992-12-01), Stevens
patent: 5251704 (1993-10-01), Bourgault et al.
patent: 5492182 (1996-02-01), Delaurier
patent: 5622229 (1997-04-01), Degelman
patent: 5862764 (1999-01-01), Umemoto
patent: 5988294 (1999-11-01), Hubscher

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