A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
111/27
A01C 7/20 (2006.01) A01C 5/06 (2006.01)
Patent
CA 1231868
FURROW OPENER AND FOLLOWER BLADE Abstract of the disclosure A pair of circular, furrow-opening disks, supported by separate, angularly oriented axles, rotatable simultaneously as a unit and converging to a leading zone of interengagement within the ground for preventing soil buildup therebetween, have a wedge-shaped, trailing blade, rigidly supported therebetween immediately ahead of materials gravitating into the furrow, and following at a greater depth, for slicing the series of unplowed scallops at the bottom of the furrow, clearing the furrow bottom of loose soil and forming a truly V-shaped, ridgeless, material- receiving apex compressed into a smooth, firm sidewall formation.
467772
Robertson Forrest E.
Williams Donald E.
Acra-Plant Inc.
Gowling Lafleur Henderson Llp
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