Patents by Inventor Alvin D. Mayerchin

Alvin D. Mayerchin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Universal coupling spider bearing and yoke
    Patent number: 4334415
    Abstract: A universal coupling (40) for joining two rotatable shafts (42,43) in driving relation includes a pair of opposed yoke members (48,49) connected together by a multi-legged spider element (51). The ends of the spider legs (52) are journaled within bearing caps (60) which are secured to yoke flanges (56) by bolts (67). Each of the caps carry a pair of tapered keys (70) which seat in a pair of keyways (71) defined in the yoke flanges when the caps are fixed thereto. The keys (70) and keyways (71) are aligned on the bores (64,65) through which the securing bolts extend.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: June 15, 1982
    Assignee: Caterpillar Tractor Co.
    Inventors: Michael F. Hopkins, Alvin D. Mayerchin