Invention Grant
- Patent Title: Power tool with planet type reduction gearing
- Patent Title (中): 具有行星减速装置的电动工具
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Application No.: US10574535Application Date: 2004-10-04
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Publication No.: US08118702B2Publication Date: 2012-02-21
- Inventor: Gunnar Christer Hansson
- Applicant: Gunnar Christer Hansson
- Applicant Address: SE Stockholm
- Assignee: Atlas Copco Tools AB
- Current Assignee: Atlas Copco Tools AB
- Current Assignee Address: SE Stockholm
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: SE0302622 20031003
- International Application: PCT/SE2004/001407 WO 20041004
- International Announcement: WO2005/032770 WO 20050414
- Main IPC: F16H57/08
- IPC: F16H57/08 ; E21B3/00

Abstract:
A power tool having a rotation motor coupled to an output shaft (11) via a reduction gearing (13,14), wherein the reduction gearing (13,14) comprises at least one planetary gearing (14) with a sun gear (30), a ring gear (22), a planet wheel carrier (32) supporting two or more planet wheel units (35) each comprising two axially spaced spur gears (36,37) both secured to a spindle (38) which is rotatively journalled relative to the planet wheel carrier (32) via a bearing located between the spur gears (36,37).
Public/Granted literature
- US20070298927A1 Power tool with planet type reduction gearing Public/Granted day:2007-12-27
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