FR539759A - Safety device applicable to safety locks - Google Patents

Safety device applicable to safety locks

Info

Publication number
FR539759A
FR539759A FR539759DA FR539759A FR 539759 A FR539759 A FR 539759A FR 539759D A FR539759D A FR 539759DA FR 539759 A FR539759 A FR 539759A
Authority
FR
France
Prior art keywords
safety
locks
device applicable
safety device
applicable
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
Gaston Conor
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 FR539759A publication Critical patent/FR539759A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
    • E05B17/2023—Loose pins, screws, or the like; Portable devices
FR539759D 1920-12-31 1920-12-31 Safety device applicable to safety locks Expired FR539759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539759T 1920-12-31

Publications (1)

Publication Number Publication Date
FR539759A true FR539759A (en) 1922-06-30

Family

ID=8929059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539759D Expired FR539759A (en) 1920-12-31 1920-12-31 Safety device applicable to safety locks

Country Status (1)

Country Link
FR (1) FR539759A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056621A1 (en) * 2016-09-29 2018-03-30 Jean Francois Gabriel Maurice Martin Device for blocking the opening of a door lock from the inside

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3056621A1 (en) * 2016-09-29 2018-03-30 Jean Francois Gabriel Maurice Martin Device for blocking the opening of a door lock from the inside
EP3301246A1 (en) * 2016-09-29 2018-04-04 Jean-François Martin Device for blocking the opening of a door latch from the inside

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