GB2470775B - Safety switching device - Google Patents

Safety switching device

Info

Publication number
GB2470775B
GB2470775B GB0909683.5A GB0909683A GB2470775B GB 2470775 B GB2470775 B GB 2470775B GB 0909683 A GB0909683 A GB 0909683A GB 2470775 B GB2470775 B GB 2470775B
Authority
GB
United Kingdom
Prior art keywords
switching device
safety switching
safety
switching
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.)
Active
Application number
GB0909683.5A
Other versions
GB2470775A (en
GB0909683D0 (en
Inventor
Mabruk Farrah
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.)
MECHAN CONTROLS Ltd
Original Assignee
MECHAN CONTROLS 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 MECHAN CONTROLS Ltd filed Critical MECHAN CONTROLS Ltd
Priority to GB0909683.5A priority Critical patent/GB2470775B/en
Publication of GB0909683D0 publication Critical patent/GB0909683D0/en
Publication of GB2470775A publication Critical patent/GB2470775A/en
Application granted granted Critical
Publication of GB2470775B publication Critical patent/GB2470775B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/001—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel
    • F16P3/005—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel having a movable screen or a sensor influencing the switching system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9502—Measures for increasing reliability
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K2017/9527—Details of coils in the emitter or receiver; Magnetic detector comprising emitting and receiving coils

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Alarm Devices (AREA)
GB0909683.5A 2009-06-05 2009-06-05 Safety switching device Active GB2470775B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0909683.5A GB2470775B (en) 2009-06-05 2009-06-05 Safety switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0909683.5A GB2470775B (en) 2009-06-05 2009-06-05 Safety switching device

Publications (3)

Publication Number Publication Date
GB0909683D0 GB0909683D0 (en) 2009-07-22
GB2470775A GB2470775A (en) 2010-12-08
GB2470775B true GB2470775B (en) 2015-06-24

Family

ID=40936949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0909683.5A Active GB2470775B (en) 2009-06-05 2009-06-05 Safety switching device

Country Status (1)

Country Link
GB (1) GB2470775B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532501A (en) * 1982-02-02 1985-07-30 E. I. Du Pont De Nemours And Company Capacitively coupled machine tool safety system
EP0229247A2 (en) * 1986-01-15 1987-07-22 Elan Schaltelemente GmbH Contactless signalling device
US5254879A (en) * 1989-04-14 1993-10-19 Eja Engineering Plc Safety switch assembly
US6133654A (en) * 1998-02-13 2000-10-17 Optosys Sa Inductive proximity switch with a one-piece housing
US6212052B1 (en) * 1998-09-05 2001-04-03 K.A. Schmersal Gmbh & Co. Contactless safety switch
GB2385182A (en) * 2002-02-06 2003-08-13 Mechan Controls Ltd Safety switching device for a machine guard
US20090189600A1 (en) * 2008-01-26 2009-07-30 Pepperl+Fuchs, Inc. Metal face inductive proximity sensor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532501A (en) * 1982-02-02 1985-07-30 E. I. Du Pont De Nemours And Company Capacitively coupled machine tool safety system
EP0229247A2 (en) * 1986-01-15 1987-07-22 Elan Schaltelemente GmbH Contactless signalling device
US5254879A (en) * 1989-04-14 1993-10-19 Eja Engineering Plc Safety switch assembly
US6133654A (en) * 1998-02-13 2000-10-17 Optosys Sa Inductive proximity switch with a one-piece housing
US6212052B1 (en) * 1998-09-05 2001-04-03 K.A. Schmersal Gmbh & Co. Contactless safety switch
GB2385182A (en) * 2002-02-06 2003-08-13 Mechan Controls Ltd Safety switching device for a machine guard
US20090189600A1 (en) * 2008-01-26 2009-07-30 Pepperl+Fuchs, Inc. Metal face inductive proximity sensor

Also Published As

Publication number Publication date
GB2470775A (en) 2010-12-08
GB0909683D0 (en) 2009-07-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20171102 AND 20171108