GB494453A - Control for warning signals - Google Patents
Control for warning signalsInfo
- Publication number
- GB494453A GB494453A GB2870237A GB2870237A GB494453A GB 494453 A GB494453 A GB 494453A GB 2870237 A GB2870237 A GB 2870237A GB 2870237 A GB2870237 A GB 2870237A GB 494453 A GB494453 A GB 494453A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slot
- block
- arm
- rook
- accelerator
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/06—Switches operated by change of speed
- H01H35/10—Centrifugal switches
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
494,453. Electric switches. ROOK, J. A., and ROOK, C. H. Oct. 21, 1937, No. 28702. [Class 38 (v)] [Also in Group XXXVIII] A signalling circuit on a vehicle is completed by the movement of the throttle or other control towards closing position through the medium of a lost-motion switch consisting of a spring- pressed circular block 6 having a radial slot 7. In this slot is an arm 14 fixed to the shaft 5 connected with the control mechanism. On the lower face of the block is an interrupted conducting ring 8 having one end turned into the slot. When the accelerator is pressed the arm engages the insulating side of the slot and entrains the block with it against the friction between the block and a fixed plate 10 connected to the lead 12. If the accelerator is released the arm moves over to the other side of the slot and completes the circuit to the signal lamp by engaging the turned-in end of the ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2870237A GB494453A (en) | 1937-10-21 | 1937-10-21 | Control for warning signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2870237A GB494453A (en) | 1937-10-21 | 1937-10-21 | Control for warning signals |
Publications (1)
Publication Number | Publication Date |
---|---|
GB494453A true GB494453A (en) | 1938-10-26 |
Family
ID=10279731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2870237A Expired GB494453A (en) | 1937-10-21 | 1937-10-21 | Control for warning signals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB494453A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2470774A (en) * | 1945-04-12 | 1949-05-24 | Jr Walter T Haswell | Indicating device |
-
1937
- 1937-10-21 GB GB2870237A patent/GB494453A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2470774A (en) * | 1945-04-12 | 1949-05-24 | Jr Walter T Haswell | Indicating device |
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