Multidirectional auger bit
AssigneeMetal Tool Inc.
InventorTakemi Ishizuka
Life of this patent
Estimating the term…
Abstract
The invention is a multidirectional auger bit mounted on an auger head, and includes a base portion having a distal end that protrudes in an axial direction of the auger head, and leg portions that is continuous with the base portion. The base portion includes a flat portion that is continuous with the leg portion, first inclined portions that are inclined from the flat portion toward a distal end side in the axial direction of the auger head, left and right side surface portions that are continuous from the first inclined portion, and a second inclined portion that is inclined from the first inclined portion toward a leg portion side in the axial direction of the auger head.
Claims5
A multidirectional auger bit mounted on an auger head, the multidirectional auger bit comprising:
- a base portion having a distal end that protrudes in an axial direction of the auger head;
- and
- a leg portion that is continuous with the base portion, wherein
- the base portion includes a flat portion that is continuous with the leg portion, a first inclined portion that is inclined from the flat portion toward a distal end side in the axial direction of the auger head, a left side surface portion that is continuous from a left side of the first inclined portion, a right side surface portion that is continuous from a right side of the first inclined portion, and a second inclined portion that is inclined from the first inclined portion toward a leg portion side in the axial direction of the auger head, and
- a first cemented carbide tip is disposed on the first inclined portion, the left and right side surface portions, and the second inclined portion, and a second cemented carbide tip is disposed on the first inclined portion and one of the left and right side surface portions so as to protrude in a direction perpendicular to the left and right side surface portions.
Dependencies are inferred from the claim text.