Earth working tool and holder therefor

A - Human Necessities – 01 – C

Patent

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111/29

A01C 15/00 (2006.01) A01C 21/00 (2006.01)

Patent

CA 1172107

ABSTRACT OF THE DISCLOSURE The present invention relates to a fertilizing tool and holder therefor. The holder interconnects the fertilizing tool with a shank of a cultivator. The holder has a base portion provided with at least one aperture through which a bolt passes to releasably secure the holder to the shank. The holder is further provided with a pair of spaced apart wall portions, upstanding from the base portion, defining a tool receiving channel with a forward opening. The wall portions include aligned apertures and have a rigid transverse member extending therebetween to reinforce the wall portions. The wall portions are adapted to matingly receive the tool in the channel whereby an adjacent end of the tool abuttingly engages the transverse member and the base portion. A second nut and bolt or a roll pin passes through the aligned apertures and an aperture in the adjacent end of the tool to releasably secure the tool to the holding device. At least one of the wall portions includes shielding protrusions adjacent its aperture to protect the nut. The use of this holding device permits for the tool to be readily replaced. The fertilizing tool comprises an elongated blade having a forward facing, substantially flat nosed end portion which is adapted to cut into and shear earth below surface soil. The blade is further provided with a leading cutting edge extending above the flat nosed end portion which cutting edge is adapted to cut through the earth. A channel is cast in the blade for delivering fertilizer behind the flat nosed end portion. This novel fertilizing tool delivers fertilizer below the seed line with minimal tillage.

403121

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