IT8249376A0 - SAFETY LOCK SWITCH ESPECIALLY FOR TELEPHONE EQUIPMENT - Google Patents

SAFETY LOCK SWITCH ESPECIALLY FOR TELEPHONE EQUIPMENT

Info

Publication number
IT8249376A0
IT8249376A0 IT8249376A IT4937682A IT8249376A0 IT 8249376 A0 IT8249376 A0 IT 8249376A0 IT 8249376 A IT8249376 A IT 8249376A IT 4937682 A IT4937682 A IT 4937682A IT 8249376 A0 IT8249376 A0 IT 8249376A0
Authority
IT
Italy
Prior art keywords
safety lock
lock switch
telephone equipment
switch especially
telephone
Prior art date
Application number
IT8249376A
Other languages
Italian (it)
Other versions
IT1148631B (en
Inventor
Kenneth Pickles
Philip Vernon Little
Original Assignee
Lucas Ind Public Limited
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 Lucas Ind Public Limited filed Critical Lucas Ind Public Limited
Publication of IT8249376A0 publication Critical patent/IT8249376A0/en
Application granted granted Critical
Publication of IT1148631B publication Critical patent/IT1148631B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • E05B49/006—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks actuating opto-electronic devices
    • E05B49/008—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks actuating opto-electronic devices by alignment of movable perforated parts, e.g. perforated tumblers
IT49376/82A 1981-10-28 1982-10-27 SAFETY LOCK SWITCH IN PARTICULAR FOR TELEPHONE DEVICES IT1148631B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8132444 1981-10-28
GB8203091 1982-02-03
GB8209612 1982-04-01
GB8218977 1982-07-01

Publications (2)

Publication Number Publication Date
IT8249376A0 true IT8249376A0 (en) 1982-10-27
IT1148631B IT1148631B (en) 1986-12-03

Family

ID=27449286

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49376/82A IT1148631B (en) 1981-10-28 1982-10-27 SAFETY LOCK SWITCH IN PARTICULAR FOR TELEPHONE DEVICES

Country Status (4)

Country Link
ES (1) ES516926A0 (en)
FR (1) FR2515240A1 (en)
IT (1) IT1148631B (en)
WO (1) WO1983001643A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141774B (en) * 1983-06-17 1987-03-04 Wilmot Breeden Ltd Key-operated locking device
GB8432550D0 (en) * 1984-12-21 1985-02-06 Lowe & Fletcher Ltd Lock & key
EP0605820B1 (en) * 1993-01-05 1996-05-29 K.A. SCHMERSAL GmbH & Co. Security switch
US8466786B2 (en) 2010-08-16 2013-06-18 Rav-Mafteah Ltd. Locking mechanism with sabbath control unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2008150A (en) * 1932-03-29 1935-07-16 Arthur S Nelson Control mechanism
FR1321470A (en) * 1962-02-05 1963-03-22 Moreaux & Cie Key for automatic lock
BE792209A (en) * 1971-12-03 1973-03-30 Kibolac Handels Gmbh LOCK
CH561452A5 (en) * 1973-04-24 1975-04-30 Hasler Ag Data input unit with keys as data carriers - has moving elements scanning features on keys

Also Published As

Publication number Publication date
WO1983001643A1 (en) 1983-05-11
IT1148631B (en) 1986-12-03
FR2515240A1 (en) 1983-04-29
ES8406134A1 (en) 1983-09-16
ES516926A0 (en) 1983-09-16

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