Improvements in Steelings for Trip-gear Levers.

摘要

28,040. Davy Bros., and Capron, A. J. Dec. 21. Valve gear.-The steel tripping-blocks of Corliss and other gears are made of H-section as shown at A, A1 to provide four interchangeable wearing- edges. They are secured by clamping-plates D so that they do not require to be drilled for bolts and are thus less liable to damage during hardening.