GB269076A - Improvements in safety devices for locks - Google Patents
Improvements in safety devices for locksInfo
- Publication number
- GB269076A GB269076A GB2700426A GB2700426A GB269076A GB 269076 A GB269076 A GB 269076A GB 2700426 A GB2700426 A GB 2700426A GB 2700426 A GB2700426 A GB 2700426A GB 269076 A GB269076 A GB 269076A
- Authority
- GB
- United Kingdom
- Prior art keywords
- locks
- safety devices
- groove
- instrument
- frederiksen
- 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
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
- E05B17/2003—Preventing opening by insertion of a tool, e.g. flexible, between door and jamb to withdraw the bolt
Landscapes
- Lock And Its Accessories (AREA)
Abstract
269,076. Frederiksen, E. Oct. 28, 1926. Latches, sliding; striking-plates for. -In cylinder locks for doors wherein the inclined surface of the bolt 4 is provided with a groove 5 to prevent its being forced back by the insertion of an instrument, there is arranged on the door frame 2 a guide-plate 6 having a projection 7 which ensures the guiding of the inserted instrument into the groove 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2700426A GB269076A (en) | 1926-10-28 | 1926-10-28 | Improvements in safety devices for locks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2700426A GB269076A (en) | 1926-10-28 | 1926-10-28 | Improvements in safety devices for locks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB269076A true GB269076A (en) | 1927-04-14 |
Family
ID=10252616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2700426A Expired GB269076A (en) | 1926-10-28 | 1926-10-28 | Improvements in safety devices for locks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB269076A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4154468A (en) * | 1977-10-11 | 1979-05-15 | Leon Luis G | Safety devices for door locks of the spring-loaded, sliding bolt type |
GB2217371A (en) * | 1988-03-25 | 1989-10-25 | Frank William Evans | Door lock guard |
ITRM20130149A1 (en) * | 2013-03-13 | 2014-09-14 | Rossi Patrizio De | ANTI-CRYPING SCROCCO FOR LOCKS. |
-
1926
- 1926-10-28 GB GB2700426A patent/GB269076A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4154468A (en) * | 1977-10-11 | 1979-05-15 | Leon Luis G | Safety devices for door locks of the spring-loaded, sliding bolt type |
GB2217371A (en) * | 1988-03-25 | 1989-10-25 | Frank William Evans | Door lock guard |
ITRM20130149A1 (en) * | 2013-03-13 | 2014-09-14 | Rossi Patrizio De | ANTI-CRYPING SCROCCO FOR LOCKS. |
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