GB2052158B - Electric switch - Google Patents

Electric switch

Info

Publication number: GB2052158B
Authority: GB; United Kingdom
Prior art keywords: electric switch; switch; electric
Prior art date: 1979-06-02
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

Application number

GB8015328A

Other versions

GB2052158A (en

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.)

EJA Ltd

Original Assignee

EJA Engineering 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.)

1979-06-02

Filing date

1980-05-08

Publication date

1983-06-08

1980-05-08 Application filed by EJA Engineering Ltd filed Critical EJA Engineering Ltd

1981-01-21 Publication of GB2052158A publication Critical patent/GB2052158A/en

1983-06-08 Application granted granted Critical

1983-06-08 Publication of GB2052158B publication Critical patent/GB2052158B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Security & Cryptography (AREA)
Switch Cases, Indication, And Locking (AREA)
Switches That Are Operated By Magnetic Or Electric Fields (AREA)

GB8015328A 1979-06-02 1980-05-08 Electric switch Expired GB2052158B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7919290		1979-06-02

Publications (2)

Publication Number	Publication Date
GB2052158A GB2052158A (en)	1981-01-21
GB2052158B true GB2052158B (en)	1983-06-08

Family

ID=10505608

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8015328A Expired GB2052158B (en)	1979-06-02	1980-05-08	Electric switch

Country Status (2)

Country	Link
DE (1)	DE3020593A1 (en)
GB (1)	GB2052158B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3100862C2 (en) *	1981-01-14	1984-02-09	K.A. Schmersal Gmbh & Co, 5600 Wuppertal	Safety switch
DE3330109C2 (en) *	1983-08-20	1986-01-02	K.A. Schmersal Gmbh & Co, 5600 Wuppertal	Electric switch
DE3635179A1 (en) *	1986-10-16	1988-04-21	Geze Gmbh	Stop device for door closers
DE19642862A1 (en) *	1996-10-17	1998-04-30	Kloeckner Moeller Gmbh	Safety device for position switches
DE10230564A1 (en) *	2002-07-05	2004-01-29	Gerhard Thiel	Coded locking device for machine safety cover has projecting arms provided with passive components fitting into corresponding seatings provided with matching active components

1980
- 1980-05-08 GB GB8015328A patent/GB2052158B/en not_active Expired
- 1980-05-30 DE DE19803020593 patent/DE3020593A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
DE3020593A1 (en)	1980-12-11
GB2052158A (en)	1981-01-21

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Legal Events

Date	Code	Title	Description
1993-03-10	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1994-01-05	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930508