Heat treated detachable jaws used in India and Pakistan; jaw can be made from rolled steel section, and can be blanked from rolled bar, and formed to shape, with heat treatment; when key is driven between jaw and rail foot, jaw is in spring tension, and key is held with resilient and positive grip; taper key grips side of rail foot, taking up all manufacturing tolerances and clearances between components, and prevents chafing at rail seat by ensuring fixed position for rail.
Fastenings between steel sleepers and flat-bottom rails
Ry Gaz
Railway Gazette ; 90 , n 16
1949
Article (Journal)
English
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