CA968002A - Lock and alarm device - Google Patents

Lock and alarm device

Info

Publication number
CA968002A
CA968002A CA138,691A CA138691A CA968002A CA 968002 A CA968002 A CA 968002A CA 138691 A CA138691 A CA 138691A CA 968002 A CA968002 A CA 968002A
Authority
CA
Canada
Prior art keywords
lock
alarm device
alarm
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.)
Expired
Application number
CA138,691A
Other versions
CA138691S (en
Inventor
Paul M. Hawkins
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA968002A publication Critical patent/CA968002A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
    • E05B45/12—Electric alarm locks with contact making inside the lock or in the striking plate by movement of the bolt
    • E05B45/125—Electric alarm locks with contact making inside the lock or in the striking plate by movement of the bolt by transverse movement
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00—Locks
    • Y10S70/40—Cylinder lock utilizing sheet metal
CA138,691A 1971-04-23 1972-03-30 Lock and alarm device Expired CA968002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13682071A 1971-04-23 1971-04-23

Publications (1)

Publication Number Publication Date
CA968002A true CA968002A (en) 1975-05-20

Family

ID=22474507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,691A Expired CA968002A (en) 1971-04-23 1972-03-30 Lock and alarm device

Country Status (7)

Country Link
US (1) US3727210A (en)
AR (1) AR205782A1 (en)
BR (1) BR7202449D0 (en)
CA (1) CA968002A (en)
FR (1) FR2136585A5 (en)
GB (1) GB1379497A (en)
IT (1) IT952746B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866203A (en) * 1971-12-06 1975-02-11 Edwards Company Inc Audible signal apparatus
US3810145A (en) * 1972-10-27 1974-05-07 Oak Industries Inc Door bolt with electric alarm
US3978467A (en) * 1974-02-19 1976-08-31 Albert Albert F Door alarm system responsive to forced entry
US4284980A (en) * 1978-04-20 1981-08-18 Power Systems Development Corporation Door burglar alarm system
US4855715A (en) * 1987-11-16 1989-08-08 Sevigny Albert R Door mounted alarm assembly
US6265973B1 (en) * 1999-04-16 2001-07-24 Transguard Industries, Inc. Electronic security seal
GB0312030D0 (en) * 2003-05-24 2003-07-02 Spire Group Ltd Shoot bolt
US20090038226A1 (en) * 2007-08-10 2009-02-12 Gerald Angelo Morrone Child safety window block
CN105257097B (en) * 2015-10-15 2018-03-02 界首市皖龙绳网塑编有限公司 A kind of anti-theft bolt

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263040A (en) * 1964-06-29 1966-07-26 Harry F Bliven Pressure operated circuit controlling devices operable on relative movement between two elements
US3444546A (en) * 1966-07-28 1969-05-13 Gen Alarm Corp Protection system
US3623062A (en) * 1970-06-25 1971-11-23 Minnesota Mining & Mfg Lock alarm structure

Also Published As

Publication number Publication date
US3727210A (en) 1973-04-10
IT952746B (en) 1973-07-30
DE2220326A1 (en) 1972-11-09
BR7202449D0 (en) 1973-05-10
DE2220326B2 (en) 1975-06-05
AR205782A1 (en) 1976-06-07
FR2136585A5 (en) 1972-12-22
GB1379497A (en) 1975-01-02

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