Original document(15 pages)  中文版
    A concrete drill for drilling concrete or the like by a diamond bit ( 5 ) attached to a front end of a bit drive shaft ( 4 ) projected forward from a main body ( 1 ) by driving to rotate the bit drive shaft ( 4 ) by a drive source ( 2 ) contained in the main body ( 1 ) in which the main body ( 1 ) is provided with a vibrating apparatus ( 8 ) for exerting a vibrating force a magnitude which is pulsated to change along the bit drive shaft ( 4 ) to the main body ( 1 ).
Application Number
申请号		 200610125611 Application Date
申请日		 2003.01.14
Title 名称 Concrete drill
Publication Number
公开号		 1915634 Publication Date
公开日		 2007.02.21
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B28D1/14
Applicant(s) Name
申请人		 Max Co., Ltd.
Address 地址
Inventor(s) Name 发明人 Agehara Kigen;Akatsu Motoshige;Murakami Naohide
Attorney & Agent 代理人 liu jian
More information 更  多  信  息


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