Fertilizer applicator knife assembly
AssigneeAdams Hard-Facing Company, Inc.
InventorHalsey J. Wetmore
Life of this patent
Estimating the term…
Abstract
A fertilizer applicator knife assembly which includes a shank having a leading edge and a trailing edge, an earth cutting wear insert mounted on the leading edge of the blade shank, an elongated fertilizer tube secured at spaced intervals to the trailing edge of the shank and including an end secured to the shank near one end thereof and on the opposite side of the shank from the wear insert, and a tube protective spacer inserted between the tube and shank adjacent the end of the tube secured to the shank, and receiving the tube in a slot formed therein extending parallel to the axis of the tube.
Claims9
A fertilizer applicator knife assembly comprising:
- a shank having a leading edge, a trailing edge and a foot;
- an earth-cutting wear insert mounted on the leading edge of the blade shank;
- an elongated fertilizer tube secured at spaced intervals to the trailing edge of the shank;
- and
- a tube protective spacer removably inserted and wedged between the tube and shank at a location between points of securement of the tube to the shank trailing edge, said tube protective spacer being unsecured to said shank and unsecured to said tube to facilitate removal thereof from between said shank and said tube, said spacer being an elongated metal block having a generally rectangular cross section, a front, a back, and two sides.
A fertilizer applicator knife assembly comprising:
- a shank having a leading edge, a trailing edge and a foot;
- an elongated fertilizer tube secured at spaced intervals to the trailing edge of the shank;
- and
- an elongated tube protective spacer removably inserted between the tube and shank at a location between points of securement of the tube to the trailing edge, said spacer being an elongated metal block having a generally rectangular cross-section, a front, a back and two sides, and further characterized in having a groove in the back thereof receiving said tube, and in having a recess in the front thereof fitted over and receiving the trailing edge of the shank.
A fertilizer applicator knife assembly comprising:
- a shank having a leading edge, a trailing edge and a foot;
- an earth-cutting wear insert mounted on the leading edge of the blade shank;
- an elongated fertilizer tube secured at spaced intervals to the trailing edge of the shank;
- and
- a tube protective spacer inserted between the tube and shank at a location between points of securement of the tube to the trailing edge, said tube protective spacer being an elongated metal block having a generally rectangular cross section, a front, a back and two sides, and further characterized in having a groove in the back thereof receiving a portion of said fertilizer tube and extending substantially parallel to the axis of said fertilizer tube.
Dependencies are inferred from the claim text.