GB531478A - Improvements in locks - Google Patents
Improvements in locksInfo
- Publication number
- GB531478A GB531478A GB1912039A GB1912039A GB531478A GB 531478 A GB531478 A GB 531478A GB 1912039 A GB1912039 A GB 1912039A GB 1912039 A GB1912039 A GB 1912039A GB 531478 A GB531478 A GB 531478A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- lamp
- casing
- locks
- apart
- 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
- 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
Landscapes
- Clamps And Clips (AREA)
Abstract
531,478. Locks. CEAG. Ltd., and PLUMMER, R. J. June 30, 1939, No. 19120. [Class 44] A lock for a miner's lamp &c. comprises a casing a hinged to one part of the lamp and housing a pair of arms c pressed apart by a spring e so that the ends c' engage behind slots in a plunger b carried by the other part b'. The upper ends of the arms are cut away at c<2> and chamfered to facilitate engagement. To release the arms, the casing a is pushed towards the part b', and the arms are then drawn apart by a magnetic key h, as in Fig. 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1912039A GB531478A (en) | 1939-06-30 | 1939-06-30 | Improvements in locks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1912039A GB531478A (en) | 1939-06-30 | 1939-06-30 | Improvements in locks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB531478A true GB531478A (en) | 1941-01-06 |
Family
ID=10124081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1912039A Expired GB531478A (en) | 1939-06-30 | 1939-06-30 | Improvements in locks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB531478A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204087A (en) * | 1987-04-29 | 1988-11-02 | Philip Wortley Sparke | Lock mechanisms |
EP0463727A1 (en) * | 1990-05-29 | 1992-01-02 | Security Tag Systems, Inc. | Pin-clutch mechanism for theft deterrent device |
-
1939
- 1939-06-30 GB GB1912039A patent/GB531478A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204087A (en) * | 1987-04-29 | 1988-11-02 | Philip Wortley Sparke | Lock mechanisms |
GB2204087B (en) * | 1987-04-29 | 1991-01-16 | Philip Wortley Sparke | Lock mechanisms |
EP0463727A1 (en) * | 1990-05-29 | 1992-01-02 | Security Tag Systems, Inc. | Pin-clutch mechanism for theft deterrent device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB531478A (en) | Improvements in locks | |
GB321859A (en) | Improvements in catches for cabinet work | |
GB358788A (en) | ||
USD150259S (en) | Design for a highway sign | |
GB683314A (en) | Improvements in or relating to locks | |
GB430454A (en) | Improvements in or relating to latch bolts | |
USD149391S (en) | Design for a lamp shade | |
USD114265S (en) | Design for a stapler | |
USD156192S (en) | Design for a trouble lamp | |
USD139673S (en) | Design for a poultry shackle | |
GB560054A (en) | A device for insertion into keyholes for obstructing same to prevent unauthorised entry | |
CA389662A (en) | Lock key | |
GB539202A (en) | Combined key and flashlight | |
CA377997A (en) | Pin tumbler lock | |
CA392701A (en) | Key and lock | |
GB460679A (en) | A new or improved lock | |
CA388311A (en) | Magnetic lock and key | |
CA386267A (en) | Lock and latch | |
GB477332A (en) | Improvements in key-rings | |
GB460132A (en) | Improvements in plunger locks or latches | |
CA388282A (en) | Permutation lock | |
CA385162A (en) | Spring lock bolt | |
ES5508U (en) | Improvements in link locks. (Machine-translation by Google Translate, not legally binding) | |
CA391298A (en) | Combination lock | |
CA384807A (en) | Latch and lock |