Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 270
1028. CENTRIFUGAL SAFETY CATCHfor hoisting drums. The studs D, D, D are fixedto the hoisting drum frame. B is a flange fastto the drum shaft and to which is pinioned thesafety hooks. At ordinary speed of the drumthe hooks hang back so as not to touch the studs.An unusual acceleration of speed… … 1029. STOP MOTION from a wrist or crankpin. The relative amount of stop and motiondepends upon the diameter of crank-pin circleand length of the connecting-rod slot, plus thediameter of crank pin. Used in brick machines. 1030. VARIABLE RECIPROCATING MOTIONfrom the circular motion of a wrist pin on…
Mechanical movements
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