Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 347
-sion P and pin-bear against the wedge blocks B. The nut, which bears against the head piece, can be turned by means of the lever, and the screw and wedge raised or lowered. Raising the wedge separates the wedge blocks and parts C and C Determine the necessary moment (of force) on the lever for… … Fig. 43 = I in 10; mean radius of nut where it bears on the head piece=9 ins.; coefficient of friction for all rubbing surfaces = J. (Consider first a wedge-block, and determine all the forces which act upon it.) 7i-(2o). Fig. 44 represents a screwtoggle used in the erection of a steel arch(Niagara…
Mechanics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
