毕业设计外文翻译:Patented Jan. 2, 1945 2,3669272UNITED STATES PATENT OFFICE2,366,272CRANK PRESSRobert G. Le Tourneau, Peoria, Ill., assignor to R. G. Le Tourneau, Inc.; Stockton, Calif., a corporation of California Application July 13, 1943, Serial No. 494,5867 Claims. (C1. 100-70) This invention relates to heavy-duty presses, preferably of the vertical ram type; an objectbeing to provide a mechanism for operating the ram which includes a s
