Cutter
AssigneeMitsubishi Materials Corporation
InventorsTakayuki Hagiwara, Shigeru Ishimori, Hidehiko Nagaya, Hiroshi Hoki
Life of this patent
Estimating the term…
Abstract
A cutter includes: a cutter main body rotated; and cutting edges disposed on an outer periphery of a front of the cutter main body, wherein a mounting hole penetrating through the cutter main body is formed, an opening portion opening in a front of the cutter main body, a housing portion provided on a rear of the opening portion to house a head portion of a headed bolt, and a female thread portion are formed in the mounting hole, a mounting part including a male thread portion in an outer periphery is mounted to the female thread portion, the male thread portion screwable to the female thread portion, and a through hole having a smaller inner diameter than the head portion is formed in the mounting part.
Claims9
A cutter comprising:
- a cutter main body configured to be rotated around an axis;
- and
- cutting edges disposed on an outer periphery of a front portion of the cutter main body, wherein
- a mounting hole is formed in a central portion of the cutter main body, the mounting hole penetrating through the cutter main body along the axis,
- the mounting hole includes:
- an opening portion that is open in a front end of the cutter main body, a housing portion that is provided on a rear end side of the opening portion to house a head portion of a headed bolt, and a female thread portion of which an inner peripheral portion is threaded,
- an inner diameter of the opening portion is smaller than an inner diameter of the housing portion and an outer diameter of the head portion,
- a mounting part including a male thread portion in an outer peripheral portion thereof is mounted to the female thread portion, the male thread portion being configured to be screwable to the female thread portion, and
- a through hole is formed in the mounting part, the through hole being configured such that the thread portion of the headed bolt can be inserted therein in a state where the head portion is housed in the housing portion and having a smaller inner diameter than the head portion.
A cutter comprising:
- a cutter main body configured to be rotated around an axis;
- and
- cutting edges disposed on an outer periphery of a front portion of the cutter main body, wherein
- a mounting hole is formed in a central portion of the cutter main body, the mounting hole penetrating through the cutter main body along the axis,
- the mounting hole includes:
- an opening portion that is open in a front end of the cutter main body, a housing portion that is provided on a rear end side of the opening portion to house a head portion of a headed bolt, and a female thread portion of which an inner peripheral portion is threaded,
- a mounting part including a male thread portion in an outer peripheral portion is mounted to the female thread portion, the male thread portion being configured to be screwable to the female thread portion,
- a through hole is formed in the mounting part, the through hole being configured so the thread portion of the headed bolt can be inserted therein in a state where the head portion is housed in the housing portion and having a smaller inner diameter than the head portion,
- the mounting part is provided with a flat surface portion parallel to the axis, and
- an anti-rotation screw which comes into contact with the flat surface portion is screwed into the cutter main body.
Dependencies are inferred from the claim text.