Patents Assigned to The W. R. Stamler Corporation
  • Device for fracturing material
    Patent number: 4311284
    Abstract: A plurality of rings is mounted on a shaft for rotation therewith with each ring having a plurality of equally angularly spaced bits mounted thereon to fracture material. Each of the rings has an insert mounted in a recess in its periphery between each adjacent pair of the bits. The insert has an angled edge to fracture, rather than crush, the material between the bits as the rings are rotated.
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: January 19, 1982
    Assignee: The W. R. Stamler Corporation
    Inventor: Edward H. Ratcliff, Jr.
  • Car shifting apparatus
    Patent number: 4252064
    Abstract: Resiliently biased dogs of a car shifting apparatus are automatically moved by double acting hydraulic cylinders to positions in which the dogs cannot engage any car moving along a predetermined path. When this occurs, movement of the dogs from these non-obstructing positions and movement of barneys, which have the dogs pivotally mounted thereon, along the predetermined path are prevented.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: February 24, 1981
    Assignee: The W. R. Stamler Corporation
    Inventors: Edward H. Ratcliff, Jr., Terry E. Rader