Patents by Inventor James W. Leege

James W. Leege 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).

  • Chain with self aligning flight support links
    Patent number: 5337886
    Abstract: A chain having a plurality of block links each including longitudinally spaced apart ends each of which has a pivot pin receiving first bore therethrough of a first diameter. The chain also has a plurality of connecting links each including longitudinally spaced pivot pins mounted in the block link first bores for articulatively interconnecting the ends of adjacent block links. The pivot pins have a close tolerance fit in the first bores to form a chain that extends along a straight line of travel. The chain further has at least one flight attachment link having a flight attachment support and longitudinally spaced leading and trailing ends pivotally connected between adjacent connecting links of the chain.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: August 16, 1994
    Assignee: Rexnord Corporation
    Inventors: Roy C. Anderson, James W. Leege
  • Pintle chain including self-retaining pin
    Patent number: 4682687
    Abstract: A conveyor chain of the type comprising a plurality of pintle links and a plurality of pins connecting the links together. The pins have a first end which is necked-down and has a noncylindrical cross-section so as to resist rotation relative to the link, and the second end of the pin is knurled to limit axial movement.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: July 28, 1987
    Assignee: Rexnord Inc.
    Inventors: James W. Leege, Robert E. Stacey, Russell H. C. Uttke