GB250688A - Improvements in apparatus for locking railway carriage doors - Google Patents
Improvements in apparatus for locking railway carriage doorsInfo
- Publication number
- GB250688A GB250688A GB173525A GB173525A GB250688A GB 250688 A GB250688 A GB 250688A GB 173525 A GB173525 A GB 173525A GB 173525 A GB173525 A GB 173525A GB 250688 A GB250688 A GB 250688A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- solenoid
- doors
- railway carriage
- bolts
- 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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/46—Locking several wings simultaneously
- E05B77/48—Locking several wings simultaneously by electrical means
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Braking Arrangements (AREA)
Abstract
250,688. Stone & Co., Ltd., J., (Bolton, C. J. H.). Jan. 20, 1925. Electrically-operated fastenings for railway carriage doors, of the type in which a rocking lever b is actuated by one or other of a pair of solenoids a, a<1>, to move a rod d connected to a bolt on each door of the carriage. Each solenoid has a press-button switch in its circuit which can be momentarily closed to bring about the fastening or unfastening operation. The rocking lever may be locked in position by a projection n on a lever l which is raised by a magnet n<1> energized when either of the solenoid circuits is closed. A lamp j may be provided to indicate when the doors are locked, and is illuminated when the lever is in position to shoot the bolts. A switch, Fig. 7, may also be provided which is connected with the emergency brake system, so that when the brakes are applied a lever s is depressed, bringing contacts p, p<3> on a lever o on to terminals r, r<1>, and so closing the circuit of the solenoid which releases the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB173525A GB250688A (en) | 1925-01-20 | 1925-01-20 | Improvements in apparatus for locking railway carriage doors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB173525A GB250688A (en) | 1925-01-20 | 1925-01-20 | Improvements in apparatus for locking railway carriage doors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB250688A true GB250688A (en) | 1926-04-20 |
Family
ID=9727074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB173525A Expired GB250688A (en) | 1925-01-20 | 1925-01-20 | Improvements in apparatus for locking railway carriage doors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB250688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316977A (en) * | 1996-09-03 | 1998-03-11 | Jeffrey Alan Frampton | Electrically operable lock |
-
1925
- 1925-01-20 GB GB173525A patent/GB250688A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316977A (en) * | 1996-09-03 | 1998-03-11 | Jeffrey Alan Frampton | Electrically operable lock |
| GB2316977B (en) * | 1996-09-03 | 2001-08-08 | Jeffrey Alan Frampton | Lock |
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