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Ernest Robert Francis Hallam
William Robert Sykes
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Publication of GB190727492ApublicationCriticalpatent/GB190727492A/en
27,492. Hallam, E. R. F., and Sykes, W. R. Dec. 12. Interlocking-apparatus.-In mechanism for operating interlocking-tappets of the kind described in Specification No. 947, A.D. 1877, the notches M, N are cut perpendicular to the operative edge L of the cam-bar E, which engages the pins H, J, K on the disk G which operates the tappets through the connecting-rod h. A pair of guides f, fare provided for the cam-bar E, and a movable guideroller f above the cam-bar E serves to hold this bar in position.
GB190727492D1907-12-121907-12-12Improvements in Interlocking Apparatus for Hand Levers for Railway Points, Signals and the like.
ExpiredGB190727492A
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