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
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Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
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Application filed by Siemens Brothers and Co LtdfiledCriticalSiemens Brothers and Co Ltd
Application grantedgrantedCritical
Publication of GB190619640ApublicationCriticalpatent/GB190619640A/en
Electric Propulsion And Braking For Vehicles
(AREA)
Supporting Of Heads In Record-Carrier Devices
(AREA)
Abstract
19,640. Siemens Bros. & Co., [Siemens & Halske Akt.-Ges.]. Sept. 3. Switches, locking. In a railway signalling &c. system, switch levers, Fig. 5, when moved a certain distance to complete connexion with contacts 101, 103, are prevented from further movement by the armature of an electromagnet M'. When certain other contacts 1 . . . 6, A<22> . . &c. are completed, the locking armature is withdrawn, and the lever can then be moved to connect the contacts 102, 104.
GB190619640D1906-09-031906-09-03Improvements in Apparatus for Effecting the Inter-dependence of Railway Points and Signals.
ExpiredGB190619640A
(en)
A New or Improved Instrument for Interlocking Railway Point and Signal Levers with Electric Block or Train Signalling Switch on Double Lines or Railway.