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Patent Searching and Data


Title:
ROTARY TOOL
Document Type and Number:
WIPO Patent Application WO/2019/012901
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 has, provided between an output shaft 12 and a spindle 35, a clutch mechanism 5A which operates in coordination with the on-off operation of a switch 9, connects power from the output shaft 12 to the spindle 35 side when the switch 9 is turned on, and disconnects the power from the output shaft 12 to the spindle 35 side when the switch 9 is turned off; and a brake mechanism 5B which is provided closer to the spindle 35 side than the clutch mechanism 5A, brakes the spindle 35 when power is disconnected by the clutch mechanism 5A, and releases the brake on the spindle 35 when power is connected by the clutch mechanism 5A.

Inventors:
OTANI RYOSUKE (JP)
Application Number:
PCT/JP2018/022628
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:
WO1988006508A21988-09-07
Foreign References:
JP2004068252A2004-03-04
JPH0970715A1997-03-18
JP2013244581A2013-12-09
Attorney, Agent or Firm:
ISHIDA Yoshiki (JP)
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