Title:
多連ギアの製造方法及び多連ギア
Document Type and Number:
Japanese Patent JP5370590
Kind Code:
B2
Abstract:
The present invention addresses the problem of providing a method for manufacturing a multi-stage gear for which there is no gap between a small-diameter gear and a large-diameter gear, and addresses the problem of providing this multi-stage gear. This method manufactures a multi-stage gear by forming gears having different diameters on the outer circumferential surface of a hollow cylindrical member to be processed, and has a first step wherein a small-diameter gear is formed on the outer circumferential surface, a second step wherein the ends of the member to be processed undergo plastic deformation and the diameters thereof are enlarged to form large-diameter gear parts, and a third step wherein large-diameter gears are formed by cutting the large-diameter gear parts.
More Like This:
| JP2007069591 | MOLD APPARATUS FOR HELICAL GEAR AND MOLDED PRODUCT |
| JP2979672 | [Title of Invention] Gear device |
Inventors:
Takuya Sukeda
Hiroshi Inoshita
Koji Shimoda
Tomioka Akinori
Toshiaki Masui
Hironori Aoyama
Hiroshi Inoshita
Koji Shimoda
Tomioka Akinori
Toshiaki Masui
Hironori Aoyama
Application Number:
JP2012527548A
Publication Date:
December 18, 2013
Filing Date:
July 08, 2011
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16H55/17; B21D41/02; B21H5/00; B21H5/02; B21J1/06; B21J5/08; B23P15/14
Domestic Patent References:
| JPH04289030A | 1992-10-14 | |||
| JP2002066686A | 2002-03-05 | |||
| JPS6141075A | 1986-02-27 | |||
| JPS6162663A | 1986-03-31 | |||
| JP2004074163A | 2004-03-11 | |||
| JPH04289030A | 1992-10-14 | |||
| JP2002066686A | 2002-03-05 | |||
| JPS6141075A | 1986-02-27 | |||
| JPS6162663A | 1986-03-31 | |||
| JP2004074163A | 2004-03-11 |
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office