Title:
操作装置及び軸受部製造方法
Document Type and Number:
Japanese Patent JP6767821
Kind Code:
B2
Abstract:
Provided is an operating device that are excellent in operability without causing deformation of an insertion portion through which an operation portion is inserted even when placed in a high-temperature environment in a manufacturing process, and a bearing manufacturing method. Cut marks (25a, 25b) of a gate portion (71) and an overflow portion (73) generated when a fixed mold portion (53) and amovable mold portion (55) are separated are provided on the outer peripheral surface (23) of the insertion portion (21) and disposed on an outer surface. By forming the shape of the cut mark (25a, 25b) on the outer peripheral surface (23) of the insertion part (21), the gate portion (71) is provided at the position of the insertion portion (21) formed in an inner cavity (61) during a manufacturingprocess of die casting, and air bubbles and oxides are less likely to accumulate in the insertion portion (21).
Inventors:
Kazuya Sasaki
Katsuya Saijo
Katsuhiko Horio
Katsuya Saijo
Katsuhiko Horio
Application Number:
JP2016179717A
Publication Date:
October 14, 2020
Filing Date:
September 14, 2016
Export Citation:
Assignee:
Alps Alpine Co., Ltd.
Horio Manufacturing Co., Ltd.
Horio Manufacturing Co., Ltd.
International Classes:
H01H19/20; B22C9/06; B22D17/22; H01H11/00
Domestic Patent References:
| JP2011210507A | ||||
| JP2003230951A | ||||
| JP2005313220A |
Attorney, Agent or Firm:
Masahiro Matsushita
野▲崎▼ 照夫
Katsuyuki Okubo
野▲崎▼ 照夫
Katsuyuki Okubo