GB190519568A - Improvements in Electrically Controlled Semaphore Signals for Railways. - Google Patents

Improvements in Electrically Controlled Semaphore Signals for Railways.

Info

Publication number
GB190519568A
GB190519568A GB190519568DA GB190519568A GB 190519568 A GB190519568 A GB 190519568A GB 190519568D A GB190519568D A GB 190519568DA GB 190519568 A GB190519568 A GB 190519568A
Authority
GB
United Kingdom
Prior art keywords
switch
railways
electrically controlled
bell
crank
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
Inventor
Frank Bartholomew Holt
Arthur Wallis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190519568A publication Critical patent/GB190519568A/en
Expired legal-status Critical Current

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

19,568. Holt, F. B., and Wallis, A. Sept. 28. Switches. - The switch arm 13 of a change-over switch for use in railway signalling is moved in one direction by means of a projection 16 on the arm of a bell-crank 17 which is connected by a link 18 to a bell-crank as shown. This is moved by a projection on another bellcrank, which is operated by the hand-lever 9. The final position of the links is shown in full lines, the dotted lines showing an intermediate position. The switch is held in its operative position by the detent 19, which may be tripped by the armature 30 of the magnet 28 under control of the dash-pot 33. The removal of the detent allows the spring 31 to return the switch arm against the terminals 1, 5, independently of the other links 16, 17 &c.
GB190519568D 1905-09-28 1905-09-28 Improvements in Electrically Controlled Semaphore Signals for Railways. Expired GB190519568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190519568T 1905-09-28

Publications (1)

Publication Number Publication Date
GB190519568A true GB190519568A (en) 1906-09-06

Family

ID=32199813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190519568D Expired GB190519568A (en) 1905-09-28 1905-09-28 Improvements in Electrically Controlled Semaphore Signals for Railways.

Country Status (1)

Country Link
GB (1) GB190519568A (en)

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