Earth working – Tool – standard or connection – Subsoilers
Patent
1991-03-15
1992-11-24
Reese, Randolph A.
Earth working
Tool, standard or connection
Subsoilers
1727725, 172713, A01B 2302, A01B 1308
Patent
active
051654873
ABSTRACT:
The point is adapted to fit onto the forwardly projecting mounting wedge of a tillage shank and has a downwardly and forwardly inclined, elongated crown provided with a transverse, sharpened tip at its lower front end. An underslung transverse wall looped under the crown at the front end of the point defines a rearwardly opening socket that matingly receives the apex of the mounting wedge of the shank, and depending sidewalls on the crown adjacent its opposite lateral edges rearwardly of the underslung wall serve to present a protective trough on the underside of the crown that matingly receives the upper surface of the mounting wedge so as to protectively cover otherwise exposed side portions of the wedge and thus shield such areas from exposure of abrasive soils. Two alternate embodiments are disclosed, one of which has lateral side edges of the crown intersecting cleanly with upright surface of the underslung wall and the sidewalls, and the other of which has side edge of the crown overhanging such structures and provided with a certain vertical thickness dimension.
REFERENCES:
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patent: 4748754 (1988-06-01), Schwappach
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patent: 4799823 (1989-01-01), Williams
"V-Model Deep-Till", Sales Brochure, Wetherell Mfg. Co., (date unknown).
Bell William A.
Williams Robert A.
Acra-Plant, Inc.
Reese Randolph A.
Thompson Jeffrey L.
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