Earth working – Tool – standard or connection – Non-rectangular – symmetrical type
Patent
1991-03-22
1992-12-22
Reese, Randolph A.
Earth working
Tool, standard or connection
Non-rectangular, symmetrical type
172721, 172724, 172730, 172765, A01B 300
Patent
active
051727706
ABSTRACT:
An agricultural share having a working portion with a front face, a rear face and two sides converging to a forward point. A plurality of depressions are formed on the rear face of the working portion in the vicinity of the two sides for the purpose of achieving a reduction in the "footprint" area of the share. Additionally, the depressions serve to trap soil therein with the result that there is a reduction in wear on the rear face.
REFERENCES:
patent: 92880 (1869-07-01), Pratt
patent: 1422418 (1922-07-01), Colby
patent: 4059161 (1977-11-01), Smith et al.
patent: 4911249 (1990-03-01), Mitchell
Aberle Timothy
Clarewood Pty Ltd
Reese Randolph A.
Wundowie Foundry Pty Ltd
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