Earth working – Tool – standard or connection – Specific tool and standard connection
Patent
1991-08-07
1993-09-28
Taylor, Dennis L.
Earth working
Tool, standard or connection
Specific tool and standard connection
403383, 172199, 172735, 172702, 172770, A01B 3526, A01B 2302
Patent
active
052480003
ABSTRACT:
A harrowing device for harrowing a ground surface includes a haulable frame. A plurality of blade holders are secured to the frame, and extend downward from the frame. The blade holder has a cavity, a pair of holes, a pair of inclined interior face in the cavity. The inclined interior faces are arranged so as to become close to each other the further away from the holes. A plurality of blades are fitted to the blade holder, each blade having a shank inserted into the cavity and a blade portion for harrowing the ground. The shank has a pair of holes corresponding to the holes of the blade holder, and a protrusion for contacting the inclined interior faces. A pin is inserted into the holes of the blade holder and the shank to pivotably support the blade.
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Goto Seizo
Kubo Shinjiro
Matsumoto Shungo
Taiyo Tanko Co. Ltd.
Taylor Dennis L.
Warnick Spencer
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