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Expired
Application number
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Walter Edward George Mortimore
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Individual
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Individual
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Publication of GB190604444ApublicationCriticalpatent/GB190604444A/en
4444. Mortimore, W. E. G. Feb. 23. Bolts; ; screw sockets; spikes.-A bolt for railway chairs, rails, &c. has a reduced threaded portion D to receive a threaded cone E, which is formed with external teeth as shown. The bolt and cone are driven together as a spike, and the bolt may then be withdrawn by means of a spanner or wrench. A groove B or rib on the shank prevents the bolt from turning while being driven.
GB190604444D1906-02-231906-02-23Improved Bolt for Fixing Railway Chairs, Rails and the like.
ExpiredGB190604444A
(en)