GB190602174A - An Improved System of Electric Alarm Bells to Indicate the Opening of Railway Carriage Doors while Trains are in Motion. - Google Patents

An Improved System of Electric Alarm Bells to Indicate the Opening of Railway Carriage Doors while Trains are in Motion.

Info

Publication number
GB190602174A
GB190602174A GB190602174DA GB190602174A GB 190602174 A GB190602174 A GB 190602174A GB 190602174D A GB190602174D A GB 190602174DA GB 190602174 A GB190602174 A GB 190602174A
Authority
GB
United Kingdom
Prior art keywords
opening
trains
motion
indicate
railway carriage
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
James Samuel Kingston
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 GB190602174A publication Critical patent/GB190602174A/en
Expired legal-status Critical Current

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  • Train Traffic Observation, Control, And Security (AREA)

Abstract

2174. Kingston, J. S. Jan. 29. Drawings to Specification. Contact-makers.-The doors of railway carriages have contact-makers arranged to close a bell circuit when any door is opened. The guard has a switch to break the circuit at stations &c., and such switch may be operated by the opening of the door of the guard's compartment. The doors on each side of the train may be connected in a separate circuit to an indicator in the van. A coupling is described having binding-posts of various crosssections on to whichdisks on the ends and the connecting-wires are fitted, the disks having holes of various shapes to correspond to those of the binding-posts.
GB190602174D 1906-01-29 1906-01-29 An Improved System of Electric Alarm Bells to Indicate the Opening of Railway Carriage Doors while Trains are in Motion. Expired GB190602174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190602174T 1906-01-29

Publications (1)

Publication Number Publication Date
GB190602174A true GB190602174A (en) 1906-11-08

Family

ID=32203436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190602174D Expired GB190602174A (en) 1906-01-29 1906-01-29 An Improved System of Electric Alarm Bells to Indicate the Opening of Railway Carriage Doors while Trains are in Motion.

Country Status (1)

Country Link
GB (1) GB190602174A (en)

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