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James Walter Morris Wallace
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Individual
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Individual
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Publication of GB190515344ApublicationCriticalpatent/GB190515344A/en
15,344. Wallace, J. W. M. July 26. Draw - gear. - Indiarubber draw-springs B, of ring form, enclosed between plates threaded on the draw-bar, are formed with concentric ridges C, as shown, to engage corresponding grooves D formed in the plates. The ridges are preferably continuous but may be segmental with corresponding segmental grooves, or series of studs may be employed. The grooves on the plates may be produced by ridges. [Reference has been directed under Patents Act, 1902, to Specification No. 23,325, A.D. 1894.]
GB190515344D1905-07-261905-07-26Improvements in the Draw Plates and Rings of Railway Wagons.
ExpiredGB190515344A
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