EP0942447A1 - Actinneur pour interrupteur de securité - Google Patents

Actinneur pour interrupteur de securité Download PDF

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Publication number
EP0942447A1
EP0942447A1 EP99103488A EP99103488A EP0942447A1 EP 0942447 A1 EP0942447 A1 EP 0942447A1 EP 99103488 A EP99103488 A EP 99103488A EP 99103488 A EP99103488 A EP 99103488A EP 0942447 A1 EP0942447 A1 EP 0942447A1
Authority
EP
European Patent Office
Prior art keywords
foot
holder
actuator
actuator according
key
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.)
Withdrawn
Application number
EP99103488A
Other languages
German (de)
English (en)
Inventor
Guntram Fust
Klaus Schulze
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.)
KA Schmersal GmbH and Co KG
Original Assignee
KA Schmersal GmbH and Co KG
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 KA Schmersal GmbH and Co KG filed Critical KA Schmersal GmbH and Co KG
Publication of EP0942447A1 publication Critical patent/EP0942447A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/002—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings wherein one single insertion movement of a key comprises an unlocking stroke and a switch actuating stroke, e.g. security switch for safety guards

Definitions

  • the invention relates to an actuator for a safety switch according to the preamble of claim 1.
  • Such an actuator is for example from DE 44 32 862 C1 known.
  • This has a key, which is by means of a holder on a cover to be monitored for open and closed positions, Door, flap or the like is attached and about an axis of the holder against spring preload from a preset tilt direction is tiltable, this axis being perpendicular to the pivot axis of the actuator runs.
  • a pivoting about the pivot axis as also allows tilting relative to the swivel plane.
  • the object of the invention is an actuator according to the preamble of claim 1 to create, which has a simple construction and allows the key to rotate.
  • the actuator consists of a holder and a key held thereon with a foot thereby the latter Slidably and rotatably arranged in any direction that either the foot or the holder has two disks, each one Disc of the other part, preferably in a central position spring-loaded, take up between them and slidable over bearings and rotatably.
  • the actuator shown in Fig. 1 and 2 is used for actuation a safety switch with at least one insertion slot is provided with chamfers for the actuator.
  • Such Safety switches are for example in DE 31 00 862 C1, DE 32 09 414 C1, DE 33 30 109 C1 or DE 34 33 048 C1 (but without introductory slants for the actuator).
  • the actuator comprises a housing-like holder 1 with which it at one to be monitored with regard to its open or closed position Part is attached while the safety switch on a fixed Part is attached so that the latter when opening and closing of the moving part to be monitored is actuated.
  • the holder 1 carries a key 2, for example in the can be substantially bow-shaped or double-bow-shaped.
  • a key 2 for example in the can be substantially bow-shaped or double-bow-shaped.
  • the foot 3 is made up of two parallel ones spaced apart from one another Disks 4, 5 formed, which have a cylindrical center piece 6 are interconnected, the two disks 4, 5 essentially extend perpendicular to the plane of the key 2.
  • the two Discs 4, 5 close between them a provided with a recess 7, to the disks 4, 5 substantially parallel front plate 8 of the Holder 1 and are slidably mounted relative to this.
  • the foot 3 is in particular, as shown, circular Slide bearing 9 made of PTFE, for example, on both sides of the front plate 8 are attached, slidably mounted relative to the holder 1, however a corresponding roller bearing can also be provided instead be.
  • the foot 3 is expedient with respect to the recess 7 spring-biased into a central position by means of spring elements 10.
  • the spring elements 10 are in the illustrated embodiment designed as coil springs, of which a total of four (at least but three and possibly also more than four) symmetrically on one central pin 11 are provided attacking the foot 3.
  • the essentially arranged in a plane parallel to the front panel 8 spring elements 10 are received from the inside of the holder 1.
  • the foot 3 - and with it the key 2 - is in this way with respect to the level of the front panel 8 slidably arranged in any direction and at the same time rotatable so that corresponding misalignments between safety switch and actuator can be compensated so that ensured is that the actuator is within specified limits on the lead-in chamfers of the safety switch hits and accordingly safely to Pressing the safety switch is introduced.
  • This is used here cylindrical center piece 6 and / or the disc 5 as a stop for limitation the displacement movement.
  • Foot 3 of the key 2 only from a single, approximately perpendicular to the plane of the key 2 extending disc, while on the inside of the Front plate 8 and a rear wall 13 of the holder 2, the plain bearing 9 (or roller bearings) opposite each other concentrically to the recess 7 and the foot 3 are arranged between them.
  • the plain bearing 9 or roller bearings
  • the foot 3 is in turn via four coil springs 10, which are on the side of the foot in Attack a distance of 90 ° in its central position with respect to the Prestressed recess 7.
  • Fig. 4 In the embodiment shown in Fig. 4 is the rear Wall 13 also provided with a recess 14 through which the pin 11 missing in the embodiment of FIG. 3 protrudes from the foot 3, on which in turn the coil springs attached to the back of the holder 2 10 to pretension the foot 3 in the middle.
  • the spring preload can also be adjusted in particular by Inside the holder 1 recorded rubber elastic ring applied become, which cooperates with the disc 5 located in the holder 1.
  • the foot 3 is dimensioned in this way is that the discs 4, 5 on the storage something on the holder 1st jam.
  • the holder 1 is, for example, with screw holes 12 for attachment to one with respect to its open or closed position Provide the part to be monitored, cf. Fig. 2.
EP99103488A 1998-03-12 1999-02-23 Actinneur pour interrupteur de securité Withdrawn EP0942447A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19810735 1998-03-12
DE19810735A DE19810735C2 (de) 1998-03-12 1998-03-12 Betätiger für einen Sicherheitsschalter

Publications (1)

Publication Number Publication Date
EP0942447A1 true EP0942447A1 (fr) 1999-09-15

Family

ID=7860635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103488A Withdrawn EP0942447A1 (fr) 1998-03-12 1999-02-23 Actinneur pour interrupteur de securité

Country Status (7)

Country Link
US (1) US6100479A (fr)
EP (1) EP0942447A1 (fr)
JP (1) JPH11317132A (fr)
CN (1) CN1229260A (fr)
BR (1) BR9900999A (fr)
CA (1) CA2264472A1 (fr)
DE (1) DE19810735C2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10018280C2 (de) * 2000-04-13 2002-04-18 Schmersal K A Gmbh & Co Betätiger für einen Sicherheitsschalter
DE10116054C2 (de) * 2001-03-30 2003-03-27 Euchner Gmbh & Co Vorrichtung zum Betätigen eines Sicherheitsschalters
DE10123943C1 (de) * 2001-05-17 2002-07-25 K A Schmersal Gmbh & Co Kg Betätiger für einen Sicherheitsschalter
US6501040B2 (en) 2001-05-18 2002-12-31 Honeywell International Inc. Dual directional cable actuated emergency stop device
TW502864U (en) * 2001-09-07 2002-09-11 High Tech Comp Corp Power switch device which is easy to turn on and difficult to turn off
TWI387433B (zh) * 2008-12-22 2013-02-21 Wistron Corp 利用彈力所產生之干涉防止搖晃現象之滑鍵機構及其電子裝置
JP2022051607A (ja) 2020-09-21 2022-04-01 Idec株式会社 アクチュエータユニットおよび安全スイッチ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29510071U1 (de) * 1995-06-28 1995-08-31 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE29516230U1 (de) * 1995-10-13 1995-12-07 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE4436199C1 (de) * 1994-10-11 1995-12-14 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE29701797U1 (de) * 1997-02-03 1997-04-24 Bernstein Hans Spezialfabrik Radiusbetätiger für einen Sicherheitsschalter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100862C2 (de) * 1981-01-14 1984-02-09 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Sicherheitsschalter
DE3209414A1 (de) * 1981-01-14 1983-09-22 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Sicherheitsschalter fuer schutzabdeckungen u.dgl.
DE3330109C2 (de) * 1983-08-20 1986-01-02 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Elektrischer Schalter
DE3433048C2 (de) * 1984-09-08 1986-10-02 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Elektrischer Schalter
DE4432862C1 (de) * 1994-09-15 1995-10-26 Schmersal K A Gmbh & Co Radiusbetätiger für einen Sicherheitsschalter
DE19707865C2 (de) * 1997-02-27 1999-07-22 Moeller Gmbh Bewegungsflexibler Betätiger für Sicherheitsschalter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436199C1 (de) * 1994-10-11 1995-12-14 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE29510071U1 (de) * 1995-06-28 1995-08-31 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE29516230U1 (de) * 1995-10-13 1995-12-07 Bernstein Hans Spezialfabrik Radiusbetätiger für Sicherheitsschalter
DE29701797U1 (de) * 1997-02-03 1997-04-24 Bernstein Hans Spezialfabrik Radiusbetätiger für einen Sicherheitsschalter

Also Published As

Publication number Publication date
DE19810735C2 (de) 2003-10-09
DE19810735A1 (de) 1999-09-23
CA2264472A1 (fr) 1999-09-12
CN1229260A (zh) 1999-09-22
BR9900999A (pt) 2000-01-18
US6100479A (en) 2000-08-08
JPH11317132A (ja) 1999-11-16

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