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Patent Searching and Data


Title:
WORK TOOL
Document Type and Number:
Japanese Patent JP2018069394
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a work tool that can execute a shaking prevention function of a main body thereof appropriately even if the kind of a battery pack to be attached to is changed.SOLUTION: A hammer drill 1 as a work tool comprises: a main body 2 having a battery attachment part to which a battery pack 15 is detachably attached; a motor 3 which is activated by power supplied from the battery pack 15; battery kind discriminating means that discriminates the kind of the battery pack 15; an acceleration sensor 23 that detects acceleration of the main body 2; and a control circuit 71 that stops the motor 3 when the detected acceleration is above a first threshold value. The first threshold value is determined depending on the kind of the battery pack 15.SELECTED DRAWING: Figure 3

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Inventors:
KONO SACHIKAZU
SUDO TOMOAKI
Application Number:
JP2016213555A
Publication Date:
May 10, 2018
Filing Date:
October 31, 2016
Export Citation:
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Assignee:
HITACHI KOKI KK
International Classes:
B25F5/00; B25D17/10
Attorney, Agent or Firm:
Takashi Murai
Hiromi Murai



 
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