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Patent Searching and Data


Title:
ROTARY TOOL
Document Type and Number:
WIPO Patent Application WO/2019/012902
Kind Code:
A1
Abstract:
[Problem] To provide a rotary tool configured so that a front end tool is easily and reliably braked even if the front end tool is large-sized. [Solution] A grinder 1 is provided with a brake mechanism 5B which is capable of braking a spindle 35, and an electric actuator (solenoid 147) which activates the brake mechanism 5B. The solenoid 147 activates the brake mechanism 5B in coordination with the turning off of a switch 9 during the driving of a motor 3, and deactivates the brake mechanism 5B after a predetermined time has passed after the switch 9 is turned off.

Inventors:
TAKEUCHI HAJIME (JP)
Application Number:
PCT/JP2018/022629
Publication Date:
January 17, 2019
Filing Date:
June 13, 2018
Export Citation:
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Assignee:
MAKITA CORP (JP)
International Classes:
B25F5/00; B24B23/02
Domestic Patent References:
WO2016084553A12016-06-02
Foreign References:
JP2005176454A2005-06-30
JP2002224975A2002-08-13
JP2004068252A2004-03-04
JP2015208820A2015-11-24
Attorney, Agent or Firm:
ISHIDA Yoshiki (JP)
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