HANDHELD POWER TOOL, AND CONTROL METHOD AND OPERATION METHOD THEREFOR

WIPO Patent Application WO/2020/048529

A1

A handheld power tool, and a control method and operation method therefor. The handheld power tool comprises: a machine casing; a motor (12a); a chuck mechanism, comprising a body (151a), a plurality of clamping jaws (152a), and an adjusting member; a transmission mechanism; a mode selection mechanism, comprising a mode selection member (301a), wherein when the mode selection member (301a) is in a first position, the handheld power tool is in a drilling mode, and when the mode selection member (301a) is in a second position, the handheld power tool is in a chuck adjustment mode; a control module (66) used for responding to the movement of the mode selection member (301a) when the handheld power tool is in the chuck adjustment mode, and controlling the motor (12a) to rotate in a predetermined direction so as to implement the opening or closing of the clamping jaws (152a). When an operator is working, the clamping jaws (152a) may be directly closed or opened by means of corresponding components of the mode switching function, which thus facilitates the release and locking of a tool head, and has high flexibility.

JP2005349566	POWER TOOL EQUIPPED WITH MOTOR CONTROL CIRCUIT WHICH INCREASES EFFECTIVE TORQUE OUTPUT
JP4628980	Portable type drill press

ZHONG HONGFENG (CN)
ZHENG YUE (CN)
ZHANG SHISONG (CN)
SUN YIMIN (CN)

PCT/CN2019/104744

March 12, 2020

September 06, 2019

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POSITEC POWER TOOLS SUZHOU CO LTD NON SMALL ENTITY (CN)

B23B45/02; B23B45/00; B25B21/00; B25B21/02; B25D16/00; B25F3/00

CN104416186A	2015-03-18
CN101758270A	2010-06-30
CN103909501A	2014-07-09
JPH06262413A	1994-09-20
JP2005324263A	2005-11-24
JPH10202554A	1998-08-04

SUZHOU JINHE INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)

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