Invention Grant
- Patent Title: Multi-gear transmission device and power tool
- Patent Title (中): 多档传动装置和电动工具
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Application No.: US13002193Application Date: 2008-11-21
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Publication No.: US08739893B2Publication Date: 2014-06-03
- Inventor: Willy Braun
- Applicant: Willy Braun
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Maginot, Moore & Beck
- Priority: DE102008040031 20080630
- International Application: PCT/EP2008/066006 WO 20081121
- International Announcement: WO2010/000341 WO 20100107
- Main IPC: B25D16/00
- IPC: B25D16/00

Abstract:
The invention relates to a multi-gear transmission device, particularly a two-gear transmission device, for transferring a drive torque from an input side to an output side, which transmission device has at least two selectable gear ratios. The multi-gear transmission device further has a multi-stage clutch device, particularly a two-stage clutch device, with at least two different, selectable limit torques. According to the invention, the multi-stage transmission device has at least two preferably switchable translating gear pairs, and the multi-stage clutch device is included in the translating gear pairs.
Public/Granted literature
- US20110114348A1 MULTI-GEAR TRANSMISSION DEVICE AND POWER TOOL Public/Granted day:2011-05-19
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