基本信息:
- 专利标题： 用于锤钻的可锁定触发按钮
- 专利标题（英）：Lockable trigger button for hammer drill
- 申请号：CN200580032003.2 申请日：2005-09-22
- 公开(公告)号：CN101027166A 公开(公告)日：2007-08-29
- 发明人： 米夏埃尔·孔茨
- 申请人： 百得有限公司
- 申请人地址： 美国特拉华
- 专利权人： 百得有限公司
- 当前专利权人： 百得有限公司
- 当前专利权人地址： 美国特拉华
- 代理机构： 中原信达知识产权代理有限责任公司
- 代理人： 车文; 代易宁
- 优先权： 04255746.2 2004.09.22 EP
- 国际申请： PCT/EP2005/010252 2005.09.22
- 国际公布： WO2006/032495 EN 2006.03.30
- 进入国家日期： 2007-03-22
- 主分类号： B25F5/00
- IPC分类号： B25F5/00 ; B25F5/02 ; H01H13/08 ; H01H13/62
A hammer drill, in particular a chipper comprising: a body 2 having at least one support handle 4; an electric motor mounted within the body 2 ;an electric switch 22, capable of being switched on and off by a trigger button 8 connected to it, to activate or deactivate respectively the electric motor, wherein the trigger button 8 is moveable between two positions, a first position where the electric switch 22 is off and a second position where the electric switch 22 is on; a locking arm 38 moveably mounted on the electric switch 22 which, when the trigger button 8 is located in its second position, is moveable between two positions, a first position where it is disengaged from the trigger button 8 and a second position where it engages with the trigger button 8 and holds the trigger button 8 in its second position. When the locking arm is in its second position it causes the hammer to remain switch on even if the operator removes their fingers from the trigger button.