EP0605820A1 - Interrupteur de sécurité - Google Patents

Interrupteur de sécurité Download PDF

Info

Publication number
EP0605820A1
EP0605820A1 EP19930120264 EP93120264A EP0605820A1 EP 0605820 A1 EP0605820 A1 EP 0605820A1 EP 19930120264 EP19930120264 EP 19930120264 EP 93120264 A EP93120264 A EP 93120264A EP 0605820 A1 EP0605820 A1 EP 0605820A1
Authority
EP
European Patent Office
Prior art keywords
key
actuator
pins
safety switch
housing
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
EP19930120264
Other languages
German (de)
English (en)
Other versions
EP0605820B1 (fr
Inventor
David Drake
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
Priority claimed from GB939300100A external-priority patent/GB9300100D0/en
Priority claimed from DE19934315376 external-priority patent/DE4315376C1/de
Application filed by KA Schmersal GmbH and Co KG filed Critical KA Schmersal GmbH and Co KG
Publication of EP0605820A1 publication Critical patent/EP0605820A1/fr
Application granted granted Critical
Publication of EP0605820B1 publication Critical patent/EP0605820B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/752—Sliding tumblers
    • Y10T70/7531—Transverse
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7751—With ball or roller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7757—Push or pull key operation

Definitions

  • the invention relates to a safety switch with a housing which accommodates a switching device which can be actuated by an actuator which can be unlocked by means of a key which can be inserted into the housing and which can be displaced by a predetermined stroke by the key for actuating the switching device.
  • Such a safety switch or the like, in particular for protective covers. used for personal protection is known for example from EP-PS 0 175 156.
  • This has a housing in which the closing and opening of the contact by the like on the protective cover. attached key acting as an actuator is effected.
  • the latter actuates a shift drum, which is turned by the key from its rest position and thereby causes the contact to close and open after its two axially displaceable roller parts have first been pushed apart by the key to unlock the roller for rotation.
  • a relatively complicated key is used here, it is the same for all types of this safety switch and is not individually designed.
  • the object of the invention is to provide a safety switch of the type mentioned, which can only be operated with an individual key.
  • a slot extending in the insertion direction is arranged in the housing, which receives the actuator and in which a plurality of springs with their axes arranged parallel to one another and perpendicular to the direction of insertion of the key and spring-biased in the direction of the inserted key Pins protrudes, at least some of which locks the actuator with respect to the housing, the key having a coded pattern of receiving openings corresponding to the locking pins for unlocking the actuator and the pins being encodable accordingly.
  • Fig. 1 shows a schematic and perspective cut open an embodiment of a safety switch.
  • FIG. 2a to 2c show the safety switch of Fig. 1 in section in different positions during operation.
  • Fig. 3 shows schematically and cut open perspective another embodiment of a safety switch.
  • Fig. 4a to 4e show the safety switch of Fig. 3 in section in different positions during operation.
  • the safety switch shown in Fig. 1 comprises a housing 1 which receives a block-shaped insert 2 which is provided with a plurality of parallel bores 3 arranged one above the other in two rows. Adjacent to a wall of the housing 1 is a wall 4 connected to the insert 2, which closes the bores 3 to the adjacent wall of the housing 1.
  • the bores 3 open into a slot 5 which extends through the insert 2 perpendicular to the axes of the bores 3.
  • the holes 3 each receive a pin 6.
  • the pins 6 each comprise a foot piece 7 and, separately therefrom, a rounded head piece 8.
  • the foot piece 7 has a blind hole for receiving one end of a compression spring 9, which is supported at the other end on the wall 4 and the associated pin 6 in the direction of the opposite wall of the housing 1 and presses so that the pins 6 can protrude with their head pieces 8 out of the holes 3 into the slot 5.
  • the insert 2 with the spring-loaded pins 6 can be inserted into the housing 1 pre-assembled.
  • the actuator 10 In the housing 1 is an essentially plate-shaped actuator 10 adjacent to the open ends of the holes 3 in the slot 5.
  • the actuator 10 has a foot part 11 which is connected in an articulated manner to a plunger 12, in particular a straight plunger, of a switching device 13 arranged in the housing 1.
  • the actuator 10 is movable along the adjacent end face of the insert 2 and has a series of through openings 14 for the pins 6. In the locked starting position, the pins 6 extend through the adjacent through opening 14 because the through openings 14 are in the locked position of the actuator 10 (Fig. 2a) are aligned with corresponding holes 3.
  • the actuator 10 which is preferably guided on its two narrow sides, does not take up the full width of the slot 5, but leaves enough space to be able to insert a key 15 parallel to the actuator 10 via a corresponding slot 16 in the housing 1.
  • the matching key 15 is provided with a pattern of receiving openings 17 in accordance with a coding provided.
  • the associated coding of the safety switch takes place via the head pieces 8. This is because head pieces 8 of different lengths are used in such a way that part of the head pieces 8 has a length corresponding to the width of the slot 5 and another part has a shorter length.
  • the shorter head pieces 8 lock the actuator 10 in the starting position (FIG. 2a), the longer head pieces 8 couple the actuator 10 with the key 15 in its inserted position (FIG. 2b) by falling into the receiving openings 17 of the latter, and also serve as a driver when pulling out the key 15.
  • the key 15 has no receiving openings 17, so that in the inserted position of the key 15 the end faces of the foot pieces 7 face the Head pieces 8 are aligned with one another and with the adjacent wall of the slot 5 (FIG. 2b).
  • the key 15 If the key 15 is now inserted, it presses the pins 10 locking the actuator 10 and protruding therefrom with its head pieces 8 into the remaining part of the slot 5 with its leading, correspondingly bevelled edge against the force of the springs 9 back.
  • the pins 6 When the key 15 arrives at the foot piece 11 of the actuator 10 (FIG. 2 b), the pins 6 have fallen into the receiving openings 17 of the key 15 and the key 15 has been pushed in further, since then the head pieces 8 are entirely from the actuator 10 and key 15 are recorded and carried along, possible and leads to actuation of the switching device 13 (Fig. 2c).
  • the longer head pieces 8 not received by receiving openings 17 will lock the actuator 10 with respect to the insert 2.
  • the actuator 10 is also not to be unlocked.
  • the actuator 10 When the key 15 is withdrawn, the actuator 10 is withdrawn due to the head pieces 8 serving as drivers, until its foot part 11 strikes the insert 2. Then the key 15 is further pulled out, with the actuator 10 being locked, in the reverse order of insertion.
  • the lengths of the head pieces 8 are to be chosen correspondingly shorter.
  • pins 6 with head pieces 8 of the same length are used, while the foot pieces 7 also have the same length as in the previous embodiment.
  • the actuator 10 is also additionally provided with a slot 18 and, in addition to each pin 6, a ball 19 is arranged adjacent to the respective head piece 8. The balls 19 are pressed by the pins 6 against the opposite wall of the slot 5 (Fig. 4a), the headers 8 extending to the width of the slot 18.
  • the coding takes place here via a coding card 20 (FIG. 4b) which is inserted into the slot 18 and which has passage openings 21 in accordance with a coding provided.
  • the thickness of the encoding card 20 is approximately the width of the width remaining between the actuator 10 and the opposite wall of the slot 5 than the width of the slot 18.
  • the pressing is also carried out.
  • the thickness of the coding card 20 and the key 15 are expediently chosen to be somewhat smaller than or equal to the radius of the balls 19.
  • Coding pieces 19 may be provided, of which those which do not fall into receiving openings 17 of the key 15 are designed as balls.
  • the foot pieces 7 can also be omitted and the springs 9 can attack the head pieces 8 directly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)
EP19930120264 1993-01-05 1993-12-16 Interrupteur de sécurité Expired - Lifetime EP0605820B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9300100 1993-01-05
GB939300100A GB9300100D0 (en) 1993-01-05 1993-01-05 Key operable lock mechanism
DE19934315376 DE4315376C1 (de) 1993-05-08 1993-05-08 Sicherheitsschalter
DE4315376 1993-05-08

Publications (2)

Publication Number Publication Date
EP0605820A1 true EP0605820A1 (fr) 1994-07-13
EP0605820B1 EP0605820B1 (fr) 1996-05-29

Family

ID=25925732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930120264 Expired - Lifetime EP0605820B1 (fr) 1993-01-05 1993-12-16 Interrupteur de sécurité

Country Status (5)

Country Link
US (1) US5606881A (fr)
EP (1) EP0605820B1 (fr)
JP (1) JP2859116B2 (fr)
BR (1) BR9305402A (fr)
HK (1) HK1003484A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508334C2 (sv) * 1996-09-16 1998-09-28 Assa Ab Låsanordning
EP0955614B1 (fr) * 1998-05-08 2005-08-24 Assa Ab Serrure à carte
US7000078B1 (en) * 1999-10-01 2006-02-14 Stmicroelectronics Ltd. System and method for maintaining cache coherency in a shared memory system
US6233985B1 (en) * 2000-01-14 2001-05-22 Fu-Chuan Huang Coupling lock
US6595032B2 (en) * 2001-11-01 2003-07-22 Wen-Chen Lin Lock cylinder-free lock device
US8820127B2 (en) * 2009-06-10 2014-09-02 Meir Avganim Locking mechanism and a locking device comprising the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344473B2 (de) * 1973-09-04 1976-04-29 Josef Voss KG, 5040 Brühl Zylinderkern in einem zylinderschloss mit flachschluessel
EP0175156A2 (fr) * 1984-09-08 1986-03-26 K.A. Schmersal GmbH & Co. Interrupteur électrique
DE4039652C1 (en) * 1990-12-12 1992-03-05 Kloeckner-Moeller Gmbh, 5300 Bonn, De Detachable safety-interlock for electrical switch - has key guides chamfered to facilitate final engagement with coded cam

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5174798A (ja) * 1974-12-24 1976-06-28 Sanhorotsuku Jugen Jomae
NO140145C (no) * 1977-04-06 1979-07-11 Elkem Spigerverket As Anordning ved laas.
NO146441C (no) * 1980-08-08 1982-09-29 Elkem Spigerverket As Anordning ved omkodbar hullkortlaas
WO1983001643A1 (fr) * 1981-10-28 1983-05-11 Pickles, Kenneth Commutateur de securite
JPS60112967A (ja) * 1983-11-21 1985-06-19 有限会社日本金具製作所 シリンダ−錠
FR2613121B1 (fr) * 1987-03-27 1993-12-10 Telemecanique Electrique Interrupteur a cle verrouillable par actionneur
JPS63153448U (fr) * 1987-03-30 1988-10-07
JPS63300178A (ja) * 1987-05-29 1988-12-07 日本カバ株式会社 顧客確認機能を有する電子解施錠装置
DE8800701U1 (de) * 1988-01-21 1988-03-17 Siemens AG, 1000 Berlin und 8000 München Befehlsschalter
JPH01134166U (fr) * 1988-03-08 1989-09-13
NO166248C (no) * 1988-05-24 1991-06-19 Trioving As Anordning ved omkodbar hullkortlaas.
US5355701A (en) * 1993-03-01 1994-10-18 Tobias Marc W Method and apparatus for decoding a pin tumbler lock
US5343724A (en) * 1993-05-07 1994-09-06 Trioving A.S. Lock arrangement employing mechanically acting code card and key card

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344473B2 (de) * 1973-09-04 1976-04-29 Josef Voss KG, 5040 Brühl Zylinderkern in einem zylinderschloss mit flachschluessel
EP0175156A2 (fr) * 1984-09-08 1986-03-26 K.A. Schmersal GmbH & Co. Interrupteur électrique
DE4039652C1 (en) * 1990-12-12 1992-03-05 Kloeckner-Moeller Gmbh, 5300 Bonn, De Detachable safety-interlock for electrical switch - has key guides chamfered to facilitate final engagement with coded cam

Also Published As

Publication number Publication date
JPH06223682A (ja) 1994-08-12
US5606881A (en) 1997-03-04
HK1003484A1 (en) 1998-10-30
EP0605820B1 (fr) 1996-05-29
JP2859116B2 (ja) 1999-02-17
BR9305402A (pt) 1994-08-02

Similar Documents

Publication Publication Date Title
DE60114487T2 (de) Verriegelungsmechanismus für elektronische Schlösser
DE4414518C2 (de) Schließzylinder und Flachschlüssel hierzu
WO2002029185A1 (fr) Outil pour debloquer un cylindre de fermeture
DE4408024C5 (de) Sicherheitsschalter
DE3517660C2 (fr)
EP0605820B1 (fr) Interrupteur de sécurité
DE2743769A1 (de) Schloss und codierter schluessel zur betaetigung des schlosses
DE2532076A1 (de) Schloss
EP1792035B1 (fr) Cadenas
DE8534096U1 (de) Zylinderschloß mit einer Nachschließsicherung
DE4315376C1 (de) Sicherheitsschalter
EP0756052B1 (fr) Serrure cylindrique à goupilles et une clé pour une serrure à goupilles
DE19712995C2 (de) Möbelschloß
EP0943762A2 (fr) Dispositif de verrouillage / deverrouillage avec une codage mécanique et électrique
EP1050642B1 (fr) Système de verrouillage anti-panique
EP0119530B1 (fr) Serrure à pêne coulissant, notamment pour coffre-fort
EP0795664A2 (fr) Serrure encastrée
DE3533366A1 (de) Aus flachschluessel und schliesszylinder bestehende schliessvorrichtung
EP1132552B1 (fr) Serrure à gorges
DE3204821C2 (de) Schließvorrichtung
DE3023212A1 (de) Schliesszylinder
WO2005035921A1 (fr) Cadenas
DE102006042030B3 (de) Schließzylinderanordnung
AT399013B (de) Zylinderschloss und schlüssel für dasselbe
DE2824809A1 (de) Zylinderkern fuer ein zylinderschloss

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH FR GB IT LI

17P Request for examination filed

Effective date: 19940618

17Q First examination report despatched

Effective date: 19951031

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH FR GB IT LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: ICB INGENIEURS CONSEILS EN BREVETS SA

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: STUDIO TORTA SOCIETA' SEMPLICE

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19960903

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20021119

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20021128

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20021206

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031216

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20031216

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040831

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051216