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EP2837278A3 - A safety switch mechanism for gardening tool - Google Patents

A safety switch mechanism for gardening tool Download PDF

Info

Publication number
EP2837278A3
EP2837278A3 EP14180262.9A EP14180262A EP2837278A3 EP 2837278 A3 EP2837278 A3 EP 2837278A3 EP 14180262 A EP14180262 A EP 14180262A EP 2837278 A3 EP2837278 A3 EP 2837278A3
Authority
EP
European Patent Office
Prior art keywords
safety switch
switch mechanism
gardening tool
pin
crank
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.)
Granted
Application number
EP14180262.9A
Other languages
German (de)
French (fr)
Other versions
EP2837278A2 (en
EP2837278B1 (en
Inventor
Zhao Kong
Xiaoxian Bian
Yanling Zhu
Jianfeng Shi
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.)
Suzhou Cleva Electric Appliance Co Ltd
Original Assignee
Suzhou Cleva Electric Appliance Co 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 Suzhou Cleva Electric Appliance Co Ltd filed Critical Suzhou Cleva Electric Appliance Co Ltd
Publication of EP2837278A2 publication Critical patent/EP2837278A2/en
Publication of EP2837278A3 publication Critical patent/EP2837278A3/en
Application granted granted Critical
Publication of EP2837278B1 publication Critical patent/EP2837278B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • B02C2201/066—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for garden waste
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
    • H01H3/166—Self-adjusting mountings, transmissions and the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Harvester Elements (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

The present invention discloses a safety switch mechanism for a gardening tool, comprising a cover plate, a pin lock, and a pin component which is cooperated and connected with the pin lock; the safety switch mechanism also comprises a crank which is rotatably mounted in the cover plate, a first elastic element which is connected between the crank and the cover plate, a connecting rod which connects the crank and the pin component, and a second elastic element which is cooperated and connected with the pin component. Therefore, the safety switch mechanism for the gardening tool makes full use of the elastic element force and the swing angle of the connecting rod, so that the pin member is great in stability in positioning and can automatically reset; and because the safety switch mechanism for the gardening tool does not have the parts in relative abrasion, the good durability is realized.
EP14180262.9A 2013-08-07 2014-08-07 A safety switch mechanism for gardening tool Active EP2837278B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310342149.3A CN103474266B (en) 2013-08-07 2013-08-07 The safety switching mechanism of garden tool set

Publications (3)

Publication Number Publication Date
EP2837278A2 EP2837278A2 (en) 2015-02-18
EP2837278A3 true EP2837278A3 (en) 2015-03-04
EP2837278B1 EP2837278B1 (en) 2016-06-08

Family

ID=49799071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14180262.9A Active EP2837278B1 (en) 2013-08-07 2014-08-07 A safety switch mechanism for gardening tool

Country Status (2)

Country Link
EP (1) EP2837278B1 (en)
CN (1) CN103474266B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107004525B (en) * 2017-02-28 2019-07-05 深圳市锐明技术股份有限公司 The touching switch mechanism and vehicle electronic device of vehicle electronic device
WO2021088602A1 (en) * 2019-11-07 2021-05-14 苏州宝时得电动工具有限公司 Lawn mower
CN112652498A (en) * 2020-09-29 2021-04-13 保定和易法电气科技有限公司 Device acting on state change-over switch of high-voltage switch cabinet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632319A (en) * 1985-08-12 1986-12-30 Black & Decker Inc. Cable connector interlock arrangement for electric shredders
EP0546496A2 (en) * 1991-12-13 1993-06-16 Michael Lopic Portable cutting apparatus
EP2071936A1 (en) * 2007-12-21 2009-06-24 Robert Bosch Gmbh Interlock devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7667154B2 (en) * 2007-04-09 2010-02-23 ASCO Power Tehnologies, L.P. Three-position apparatus capable of positioning an electrical transfer switch
CN201399370Y (en) * 2009-03-03 2010-02-10 天佑电器（苏州）有限公司 Safety mechanism for chipping machine
CN101719430B (en) * 2009-12-28 2013-04-03 天佑电器（苏州）有限公司 Switching mechanism of shredder
CN201820712U (en) * 2010-10-29 2011-05-04 刘振祥 Vertical alternating-current contactor
CN203397949U (en) * 2013-08-07 2014-01-15 天佑电器（苏州）有限公司 Safety switch mechanism for gardening tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632319A (en) * 1985-08-12 1986-12-30 Black & Decker Inc. Cable connector interlock arrangement for electric shredders
EP0546496A2 (en) * 1991-12-13 1993-06-16 Michael Lopic Portable cutting apparatus
EP2071936A1 (en) * 2007-12-21 2009-06-24 Robert Bosch Gmbh Interlock devices

Also Published As

Publication number Publication date
CN103474266A (en) 2013-12-25
EP2837278A2 (en) 2015-02-18
EP2837278B1 (en) 2016-06-08
CN103474266B (en) 2015-10-28

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