发明授权
- 专利标题： Method for die casting an aluminum base frame used in a transmission device
- 专利标题（中）： 铸造用于传动装置的铝基架的压铸方法
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申请号： US11370763申请日： 2006-03-08
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公开(公告)号： US07287572B2公开(公告)日： 2007-10-30
- 发明人: Osamu Yoshida , Kozo Inoue
- 申请人： Osamu Yoshida , Kozo Inoue
- 申请人地址： JP Osaka-fu
- 专利权人： Tsubakimoto Chain Co.
- 当前专利权人： Tsubakimoto Chain Co.
- 当前专利权人地址： JP Osaka-fu
- 代理机构： Howson & Howson LLP
- 优先权： JP2005-150914 20050524
- 主分类号： B22D13/00
- IPC分类号： B22D13/00
摘要：
A cast aluminum base frame of a movable guide for a timing chain in an internal combustion engine is produced by a die in which the parting lines are located so that the shoe-engaging surface of the base frame and the pivot shaft-receiving hole are each formed by a continuous surface of the die, without oppositely pitched drafts.
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