GB2230145B - A limit switch with state indication - Google Patents

A limit switch with state indication

Info

Publication number
GB2230145B
GB2230145B GB9007364A GB9007364A GB2230145B GB 2230145 B GB2230145 B GB 2230145B GB 9007364 A GB9007364 A GB 9007364A GB 9007364 A GB9007364 A GB 9007364A GB 2230145 B GB2230145 B GB 2230145B
Authority
GB
United Kingdom
Prior art keywords
limit switch
state indication
indication
state
switch
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
GB9007364A
Other versions
GB2230145A (en
GB9007364D0 (en
Inventor
Michel Rochard
Jean-Pierre Guymard
Pierre Neau
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.)
Telemecanique SA
Original Assignee
Telemecanique SA
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 Telemecanique SA filed Critical Telemecanique SA
Publication of GB9007364D0 publication Critical patent/GB9007364D0/en
Publication of GB2230145A publication Critical patent/GB2230145A/en
Application granted granted Critical
Publication of GB2230145B publication Critical patent/GB2230145B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H01H15/107—Operating parts comprising cam devices actuating conventional selfcontained microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
GB9007364A 1989-04-04 1990-04-02 A limit switch with state indication Expired - Fee Related GB2230145B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8904427A FR2645341B1 (en) 1989-04-04 1989-04-04 ELECTRIC LIMIT SWITCH WITH STATUS SIGNALING

Publications (3)

Publication Number Publication Date
GB9007364D0 GB9007364D0 (en) 1990-05-30
GB2230145A GB2230145A (en) 1990-10-10
GB2230145B true GB2230145B (en) 1993-12-15

Family

ID=9380376

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9007364A Expired - Fee Related GB2230145B (en) 1989-04-04 1990-04-02 A limit switch with state indication

Country Status (5)

Country Link
JP (1) JPH038823U (en)
DE (1) DE9003878U1 (en)
FR (1) FR2645341B1 (en)
GB (1) GB2230145B (en)
IT (1) IT220701Z2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333268C1 (en) * 1993-09-27 1995-02-16 Fabeg Gmbh Arrangement for actuating the limit switches in an electric motor-operated linear adjustment drive
US6153851A (en) * 1996-01-16 2000-11-28 Illinois Tool Works Inc. Power supply with thermistor precharge and protection circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721789A (en) * 1972-03-17 1973-03-20 M Black Electrical switch indicator
FR2596197A1 (en) * 1986-03-19 1987-09-25 Telemecanique Electrique FORCED OPEN POSITION SWITCH FOR REPOS CONTACTS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7803266U1 (en) * 1978-02-04 1979-07-12 Gebhard Balluff, Fabrik Feinmechanischer Erzeugnisse, 7303 Neunhausen Electrical snap switch
DE3228469C2 (en) * 1982-07-30 1984-07-19 Square D Starkstrom GmbH, 5277 Marienheide Device for position indication on switching devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721789A (en) * 1972-03-17 1973-03-20 M Black Electrical switch indicator
FR2596197A1 (en) * 1986-03-19 1987-09-25 Telemecanique Electrique FORCED OPEN POSITION SWITCH FOR REPOS CONTACTS

Also Published As

Publication number Publication date
FR2645341A1 (en) 1990-10-05
GB2230145A (en) 1990-10-10
DE9003878U1 (en) 1990-06-07
IT9035685V0 (en) 1990-04-03
IT220701Z2 (en) 1993-11-02
JPH038823U (en) 1991-01-28
GB9007364D0 (en) 1990-05-30
FR2645341B1 (en) 1991-06-07
IT9035685U1 (en) 1990-10-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060402