FR818944A - Magnetic locks and keys - Google Patents

Magnetic locks and keys

Info

Publication number
FR818944A
FR818944A FR818944DA FR818944A FR 818944 A FR818944 A FR 818944A FR 818944D A FR818944D A FR 818944DA FR 818944 A FR818944 A FR 818944A
Authority
FR
France
Prior art keywords
keys
magnetic locks
locks
magnetic
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
Other languages
French (fr)
Inventor
Edwin Merchant Ractliffe
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 filed Critical
Application granted granted Critical
Publication of FR818944A publication Critical patent/FR818944A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0044—Cylinder locks with magnetic tumblers
FR818944D 1936-03-12 1937-03-09 Magnetic locks and keys Expired FR818944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB818944X 1936-03-12

Publications (1)

Publication Number Publication Date
FR818944A true FR818944A (en) 1937-10-06

Family

ID=10527308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818944D Expired FR818944A (en) 1936-03-12 1937-03-09 Magnetic locks and keys

Country Status (1)

Country Link
FR (1) FR818944A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036701B (en) * 1953-09-30 1958-08-14 Willi Block Lock safety device for box locks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036701B (en) * 1953-09-30 1958-08-14 Willi Block Lock safety device for box locks

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