FR2977760B3 - CONTROL SYSTEM FOR THE TOOTH SUPERPOSITION OF BLADES OF A CUTTING TOOL - Google Patents

CONTROL SYSTEM FOR THE TOOTH SUPERPOSITION OF BLADES OF A CUTTING TOOL

Info

Publication number
FR2977760B3
FR2977760B3 FR1256844A FR1256844A FR2977760B3 FR 2977760 B3 FR2977760 B3 FR 2977760B3 FR 1256844 A FR1256844 A FR 1256844A FR 1256844 A FR1256844 A FR 1256844A FR 2977760 B3 FR2977760 B3 FR 2977760B3
Authority
FR
France
Prior art keywords
blades
superposition
control system
cutting tool
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1256844A
Other languages
French (fr)
Other versions
FR2977760A3 (en
Inventor
Fangjie Nie
Zheng Geng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chevron HK Ltd
Original Assignee
Chevron HK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chevron HK Ltd filed Critical Chevron HK Ltd
Publication of FR2977760A3 publication Critical patent/FR2977760A3/en
Application granted granted Critical
Publication of FR2977760B3 publication Critical patent/FR2977760B3/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
    • A01G3/047—Apparatus for trimming hedges, e.g. hedge shears portable
    • A01G3/053—Apparatus for trimming hedges, e.g. hedge shears portable motor-driven

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Shearing Machines (AREA)
  • Harvester Elements (AREA)
  • Scissors And Nippers (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The present invention discloses a control system for the blade teeth superposition of a cutting tool, which comprises a housing 1 and double blades 6, 7, and at least one switch. A motor control circuit and a blade position detecting device are arranged in the housing, the motor control circuit detecting the position of the blades and controlling the blades to stop when the teeth are superimposed when the at least one switch is switched off. The blade position detecting device may comprise a Hall element 3 arranged in the housing and a magnet 4 provided on the blade. The control system and method for the blade teeth superposition of the cutting tool allows for an object to be cut to be disengaged from the tool. The superimposition of the blades also acts as a safety feature.
FR1256844A 2011-07-14 2012-07-16 CONTROL SYSTEM FOR THE TOOTH SUPERPOSITION OF BLADES OF A CUTTING TOOL Expired - Fee Related FR2977760B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110196116 CN102388753B (en) 2011-07-14 2011-07-14 Blade tooth overlap control system of cutting tool and control method of blade tooth overlap control system

Publications (2)

Publication Number Publication Date
FR2977760A3 FR2977760A3 (en) 2013-01-18
FR2977760B3 true FR2977760B3 (en) 2013-08-09

Family

ID=45856250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1256844A Expired - Fee Related FR2977760B3 (en) 2011-07-14 2012-07-16 CONTROL SYSTEM FOR THE TOOTH SUPERPOSITION OF BLADES OF A CUTTING TOOL

Country Status (4)

Country Link
CN (1) CN102388753B (en)
DE (1) DE202012102594U1 (en)
FR (1) FR2977760B3 (en)
GB (1) GB2492886B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012223692A1 (en) * 2012-12-19 2014-06-26 Robert Bosch Gmbh Machine tool with at least one working for driving a lifting movement working blade
CN104570917B (en) * 2014-08-04 2017-04-12 江苏苏美达五金工具有限公司 Control system and control method for electric cutting tool
US9675011B2 (en) * 2014-10-28 2017-06-13 Black & Decker Inc. Shearing tool
CN104617853A (en) * 2014-10-28 2015-05-13 常州格力博有限公司 Pruning machine speed regulation control method
CN106926179B (en) * 2015-12-31 2019-09-20 南京德朔实业有限公司 Electric tool
EP3420808B1 (en) * 2017-06-28 2020-06-03 Techtronic Outdoor Products Technology Limited A reciprocating tool and a method to control thereof
JP2019134693A (en) * 2018-02-05 2019-08-15 株式会社マキタ Hedge trimmer
CN110465696A (en) * 2018-05-10 2019-11-19 创科（澳门离岸商业服务）有限公司 Electric tool with cutting element position control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2595949Y2 (en) * 1993-06-01 1999-06-02 株式会社共立 Hand-held work machine
CN2371541Y (en) * 1999-03-23 2000-03-29 杨珍荣 Hall switch position sensor
CN2500535Y (en) * 2001-08-27 2002-07-17 江苏省机电研究所 Turning positioning apparatus
FR2867408B1 (en) * 2004-03-11 2006-05-19 Infaco ELECTRONICALLY ENHANCED TORQUE DEVICE.
DE102006058749A1 (en) * 2006-12-12 2008-06-19 Robert Bosch Gmbh Hand tool protective device
EP1969919B1 (en) * 2007-03-14 2012-01-18 Robert Bosch Gmbh Hedge cutting or trimming apparatus
CN101830003A (en) * 2009-03-13 2010-09-15 南京德朔实业有限公司 Control method of electric tool
CN101876812B (en) * 2009-04-28 2012-07-04 南京德朔实业有限公司 Control method of electric shears
CN201523547U (en) * 2009-05-08 2010-07-14 南京德朔实业有限公司 Electric tool
CN101867338A (en) * 2010-05-19 2010-10-20 南京德朔实业有限公司 Speed control system of brush cutter and control method thereof

Also Published As

Publication number Publication date
FR2977760A3 (en) 2013-01-18
CN102388753A (en) 2012-03-28
GB2492886A (en) 2013-01-16
CN102388753B (en) 2013-07-31
GB201212230D0 (en) 2012-08-22
GB2492886B (en) 2015-12-02
DE202012102594U1 (en) 2012-12-19

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 5

ST Notification of lapse

Effective date: 20180330