Title:
歯形部品の製造方法、歯形部品、および歯形部品の加工装置
Document Type and Number:
Japanese Patent JP6923009
Kind Code:
B2
Abstract:
The tooth part includes: a tubular portion having an inner tooth portion formed on an inner peripheral surface and an outer tooth portion formed on an outer peripheral surface; a plurality of inner peripheral wall portions that each extend in an axial direction of the tubular portion and form a tooth tip portion of the inner tooth portion and a tooth bottom portion of the outer tooth portion; a plurality of outer peripheral wall portions that each extend in the axial direction and form a tooth bottom portion of the inner tooth portion and a tooth tip portion of the outer tooth portion; and an annular rib that is joined to the outer peripheral wall portions and that extends in an annular shape on an open end side with respect to the inner peripheral wall portions in the axial direction and radially outward from the inner peripheral wall portions, at an open end of the tubular portion.
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Inventors:
Ryo Matsumoto
Takuya Maruyama
Takuya Maruyama
Application Number:
JP2019569086A
Publication Date:
August 18, 2021
Filing Date:
January 25, 2019
Export Citation:
Assignee:
Aisin Co., Ltd.
International Classes:
F16D13/60; B21D28/10; B21D37/02; B21D37/08; B21D53/28; B21D53/34
Domestic Patent References:
| JP200657687A | ||||
| JP2002372071A | ||||
| JP341858Y2 | ||||
| JP580296B2 | ||||
| JP3041003B2 |
Foreign References:
| WO2013031579A1 |
Attorney, Agent or Firm:
Aitec International Patent Office