Original document(8 pages) Authorized document(8 pages) 中文版
    The invention relates to an electric tool machine (2) and a tool holder (1) which are configured by simple devices to maintain centering between the tool holder (1) and a drive spindle (3) of the electric tool machine (2) as accurate as possible. The devices comprise truncated pyramid surfaces (11, 12) disposed on the drive spindle (3) and the tool holder (1), when the tool holder (1) is screwed down in the drive spindle (3), the truncated pyramid surfaces are stopped by each other.
Application Number
申请号		 02151324 Application Date
申请日		 2002.11.15
Title 名称 Electric tool machine with driving spindle capable of iointing tool clamp
Publication Number
公开号		 1426868 Publication Date
公开日		 2003.07.02
Approval Pub. Date 2007.02.07 Granted Pub. Date 2007.02.07
International Classification 分类号 B23B51/12
Applicant(s) Name
申请人		 Robert Bosch GmbH
Address 地址
Inventor(s) Name 发明人 H. Lauber;A. Biner
Attorney & Agent 代理人 zeng li
More information 更  多  信  息


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