Invention Grant
- Patent Title: Vehicle door lock device
- Patent Title (中): 车门锁装置
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Application No.: US12921548Application Date: 2009-03-12
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Publication No.: US08146965B2Publication Date: 2012-04-03
- Inventor: Ryujiro Akizuki , Takashi Nishio , Yusuke Yamada
- Applicant: Ryujiro Akizuki , Takashi Nishio , Yusuke Yamada
- Applicant Address: JP Kariya-Shi, Aichi-Ken
- Assignee: Aisin Seiki Kabushiki Kaisha
- Current Assignee: Aisin Seiki Kabushiki Kaisha
- Current Assignee Address: JP Kariya-Shi, Aichi-Ken
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: JP2008-109062 20080418
- International Application: PCT/JP2009/054768 WO 20090312
- International Announcement: WO2009/128309 WO 20091022
- Main IPC: E05C3/06
- IPC: E05C3/06 ; E05C3/16

Abstract:
A vehicle door lock device includes an active lever freely switchable between an unlock position and a lock position, a switching actuator, and a switching lever receiving drive force of the switching actuator to move a bushing. The active lever includes a first engagement piece and a second engagement piece. When the active lever is located at the unlock position, the second engagement piece engages with the first engagement piece located at a set position of the bushing to limit movement of the switching lever so that movement of the bushing is restricted within a range between an unset position and the set position. When the active lever is located at the lock position, the first engagement piece is arranged at a position avoiding engagement with the second engagement piece to allow the switching lever to move the bushing between the unset position and a double lock position.
Public/Granted literature
- US20100327609A1 VEHICLE DOOR LOCK DEVICE Public/Granted day:2010-12-30
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