Invention Grant
- Patent Title: Lock-up device
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Application No.: US14428679Application Date: 2013-11-20
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Publication No.: US09945444B2Publication Date: 2018-04-17
- Inventor: Naoki Tomiyama
- Applicant: EXEDY Corporation
- Applicant Address: JP Osaka
- Assignee: EXEDY Corporation
- Current Assignee: EXEDY Corporation
- Current Assignee Address: JP Osaka
- Priority: JP2012-258910 20121127
- International Application: PCT/JP2013/081295 WO 20131120
- International Announcement: WO2014/084100 WO 20140605
- Main IPC: F16F15/123
- IPC: F16F15/123 ; F16F15/133 ; F16H45/02 ; F16F15/134

Abstract:
A lock-up device includes a drive plate, a driven plate, first torsion springs, second torsion springs, a spring holder and a rotation restricting unit. The rotation restricting unit is configured to restrict and bring the first torsion spring in each group and the second torsion spring in each group to a deactivated state by at least either of engagement of the spring holder with the driven plate or engagement of the drive plate with the spring holder.
Public/Granted literature
- US20150247550A1 LOCK-UP DEVICE Public/Granted day:2015-09-03
Information query
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