A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
A01B 19/02 (2006.01) A01B 15/02 (2006.01) A01B 35/22 (2006.01) A01B 35/26 (2006.01) B21D 11/10 (2006.01) B21D 53/66 (2006.01) B21K 11/12 (2006.01)
Patent
CA 2315520
The present invention has several aspects to it, one of which is the provision of a chisel point which is straight and tapered from its thinnest part at the extreme front to a thicker part at the rear thereof for causing a sweep to wear longer than prior art sweeps. This sweep also improves soil penetration and is self-sharpening. Another aspect of the present invention is to provide an earth working sweep having a front end, a right side, a left side, and a central upper portion for connecting the sweep to an implement. It also has a right rear wing portion and a left rear wing portion with an intermediate portion connecting the front end to the central upper rear portion and the left and right rear wing portions. A right edge and a left edge have concave edges on the front and convex edges on the back so as to form a somewhat S-shaped configuration which reduces scrap when being made and adds to the longevity and performance of the sweep. Another aspect of the present invention is a method of making a ground engaging sweep from a sheet of metal which has two parallel sides, a first end and a second end. The edges of the sweep are cut so that the right side of one sweep is a mirror image of the left side of the next adjacent sweep so that no material is wasted therebetween as they are cut from one sheet of material. By using this method, as much metal as possible is utilized in the sweep itself rather than having wasted metal as scrap and thereby enhancing the life and performance of such sweep.
Bruce Douglas G.
Moffat & Co.
LandOfFree
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