EP0880158A3 - Electromagnetic relay equipped with bi-stable safety test push-button - Google Patents

Electromagnetic relay equipped with bi-stable safety test push-button Download PDF

Info

Publication number
EP0880158A3
EP0880158A3 EP97203270A EP97203270A EP0880158A3 EP 0880158 A3 EP0880158 A3 EP 0880158A3 EP 97203270 A EP97203270 A EP 97203270A EP 97203270 A EP97203270 A EP 97203270A EP 0880158 A3 EP0880158 A3 EP 0880158A3
Authority
EP
European Patent Office
Prior art keywords
button
push
electromagnetic relay
test push
safety test
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
EP97203270A
Other languages
German (de)
French (fr)
Other versions
EP0880158A2 (en
EP0880158B1 (en
Inventor
Piero Giordanino
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.)
Finder SpA
Original Assignee
Finder SpA
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 Finder SpA filed Critical Finder SpA
Publication of EP0880158A2 publication Critical patent/EP0880158A2/en
Publication of EP0880158A3 publication Critical patent/EP0880158A3/en
Application granted granted Critical
Publication of EP0880158B1 publication Critical patent/EP0880158B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Catching Or Destruction (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Relay Circuits (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

There is described an electromagnetic relay comprising a cover (1) containing a bi-stable test push-button (16), that realizes a temporary and a fixed contact positions; the test push-button (16) is equipped with retainer means (2⊘) to obtain the fixed position by pushing and simultaneously rotating it; and the cover (1) is equipped with means (34) to house the push-button (16) preventing its release in case of fixed closure.
Moreover, the cover (39) can be equipped with a slider (4⊘) comprising means (46) to allow temporary pushing and means (42, 44) to allow permanently pushing the push-button (48) into its contact position.
EP97203270A 1997-05-20 1997-10-21 Electromagnetic relay equipped with bi-stable safety test push-button Expired - Lifetime EP0880158B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO970426 1997-05-20
IT97TO000426A IT1292317B1 (en) 1997-05-20 1997-05-20 ELECTROMAGNETIC RELAY EQUIPPED WITH BISTABLE SAFETY TEST BUTTON.

Publications (3)

Publication Number Publication Date
EP0880158A2 EP0880158A2 (en) 1998-11-25
EP0880158A3 true EP0880158A3 (en) 1999-05-26
EP0880158B1 EP0880158B1 (en) 2004-08-04

Family

ID=11415717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97203270A Expired - Lifetime EP0880158B1 (en) 1997-05-20 1997-10-21 Electromagnetic relay equipped with bi-stable safety test push-button

Country Status (4)

Country Link
EP (1) EP0880158B1 (en)
AT (1) ATE272893T1 (en)
DE (1) DE69730119T2 (en)
IT (1) IT1292317B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4218145B2 (en) * 1999-08-31 2009-02-04 パナソニック電工株式会社 Electromagnetic relay
CN110265263B (en) * 2019-07-19 2021-04-23 旺荣电子(深圳)有限公司 Electromagnetic relay

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733568A (en) * 1971-09-30 1973-05-15 Essex Push button relay
US4378543A (en) * 1981-11-18 1983-03-29 Gulf & Western Manufacturing Company Latch relay with manual reset and test
DE8908125U1 (en) * 1989-07-04 1989-08-24 TRIPUS-Kunststoffteile GmbH, 89312 Günzburg Device for switching electrical devices on and off
EP0408544A2 (en) * 1989-07-12 1991-01-16 EH-SCHRACK COMPONENTS Aktiengesellschaft Relay
EP0534572A2 (en) * 1991-09-26 1993-03-31 Holec Systemen En Componenten B.V. Bistable electrical relay

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733568A (en) * 1971-09-30 1973-05-15 Essex Push button relay
US4378543A (en) * 1981-11-18 1983-03-29 Gulf & Western Manufacturing Company Latch relay with manual reset and test
DE8908125U1 (en) * 1989-07-04 1989-08-24 TRIPUS-Kunststoffteile GmbH, 89312 Günzburg Device for switching electrical devices on and off
EP0408544A2 (en) * 1989-07-12 1991-01-16 EH-SCHRACK COMPONENTS Aktiengesellschaft Relay
EP0534572A2 (en) * 1991-09-26 1993-03-31 Holec Systemen En Componenten B.V. Bistable electrical relay

Also Published As

Publication number Publication date
EP0880158A2 (en) 1998-11-25
DE69730119D1 (en) 2004-09-09
ITTO970426A1 (en) 1998-11-20
DE69730119T2 (en) 2005-08-18
IT1292317B1 (en) 1999-01-29
ITTO970426A0 (en) 1997-05-20
ATE272893T1 (en) 2004-08-15
EP0880158B1 (en) 2004-08-04

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