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Arthur Wigens
Austin Brown
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Individual
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Individual
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Publication of GB190817582ApublicationCriticalpatent/GB190817582A/en
17,582. Widens, A., and Brown, A. Aug. 21. Security indicators for carriage door fastenings.- The bolt A of a railway carriage door is pivoted at B and carries above the roof of the carriage a vane D by which it is operated when the train is in motion ; the vane may also be used as an indicator denoting the class of the carriage. The top of the door carries a plate, shaped as shown in Fig. 2, and having recesses G<1>, G<2>, behind either of which the lower end of the bolt A may engage when moved out of the perpendicular by wind pressure on the vane.
GB190817582D1908-08-211908-08-21Device for Automatically Locking Railway Carriage Doors whilst Train is in Motion.
ExpiredGB190817582A
(en)