发明名称 Oil pulse tool
摘要 According to an aspect of the invention, an oil pulse tool includes: a motor generating a driving force according to a driving voltage; an oil pulse unit driven by the driving force and generating a torque in a pulse-like shape when the motor passes a strike position on a shaft thereof; and an output shaft on which a front end tool is mounted, the output shaft being connected to the shaft, characterized in that the oil pulse tool further comprises driving adjusting means to control the driving voltage, the driving voltage is reduced during a given period including a timing when the torque is transmitted to the output shaft, and the reduced driving voltage is increased when the given period is finished.
申请公布号 US8640789(B2) 申请公布日期 2014.02.04
申请号 US20090991415 申请日期 2009.05.08
申请人 HARADA TETSUHIRO;NISHIKAWA TOMOMASA;IWATA KAZUTAKA;OTSU SHINIKI;TAKANO NOBUHIRO;HITACHI KOKI CO., LTD. 发明人 HARADA TETSUHIRO;NISHIKAWA TOMOMASA;IWATA KAZUTAKA;OTSU SHINIKI;TAKANO NOBUHIRO
分类号 B23Q5/20 主分类号 B23Q5/20
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