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Expired
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GB1697721A
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Individual
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Individual
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Priority to GB1697721ApriorityCriticalpatent/GB178758A/en
Publication of GB178758ApublicationCriticalpatent/GB178758A/en
E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
E01B3/16—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
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Engineering & Computer Science
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Architecture
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Civil Engineering
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Structural Engineering
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Railway Tracks
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Abstract
178,758. Fisher, G. J. June 21, 1921. Sleepers, securing rails to. - Sheet-metal railway sleepers a with bent-up chair jaws f have longitudinal flanges b which are notched at g between the jaws f to permit bending the sleeper to open and close the jaws for the reception and securing of the rails e. The notches are preferably in alignment with the outer jaws. The chair jaws are formed by bending-up portions embraced by channel-shaped slits.
GB1697721A1921-06-211921-06-21Improvements in metal railway sleepers and chairs
ExpiredGB178758A
(en)