Patents by Inventor Reginald K. Ringel

Reginald K. Ringel 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).

  • Liquid-filled radial seal
    Patent number: 4300775
    Abstract: A liquid-filled radial seal (12) includes an annular seal portion (36) and an annular body portion (34) connected thereto and defining an internal chamber (44) with an incompressible liquid (56) therein. The seal portion (36) has a sealing surface (64) and a cross sectional configuration tapering divergingly away from the sealing surface (64) to a cylindrical reference boundary (38) located between the portions (34,36). The chamber is spaced radially away from the reference boundary (38) and the free radial distance between the chamber (44) and the sealing surface (64) is preferably a preselected proportion of the overall radial height of the seal.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: November 17, 1981
    Assignee: Caterpillar Tractor Co.
    Inventor: Reginald K. Ringel
  • Work vehicle and ring bearing arrangement therefor
    Patent number: 4206818
    Abstract: A work vehicle and method for assembling the vehicle with a ring gear that is rotatably supported by a frame of the vehicle through contact only with bearing strips which maintain the ring gear against movement in any direction other than rotationally about the ring gear axis. The bearing strips may be made of organic plastic or metal.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: June 10, 1980
    Assignee: Caterpillar Tractor Co.
    Inventors: Joel M. Beckham, Gene B. Easterling, Reginald K. Ringel, Egon E. Wolff
  • Shaft seal
    Patent number: 4151999
    Abstract: A shaft seal assembly has an elastomer load ring seated in an annular groove provided in an organic plastic sealing ring. The sealing ring is constructed to provide greater unit loading at the outer edges of the sealing surface than at the remainder of the sealing surface. The end faces of the sealing ring are free from contact with adjacent structure.
    Type: Grant
    Filed: February 28, 1978
    Date of Patent: May 1, 1979
    Assignee: Caterpillar Tractor Co.
    Inventors: Reginald K. Ringel, Kevin G. Forster, Harold L. Reinsma
  • Work vehicle and ring gear bearing arrangement therefor
    Patent number: 4099577
    Abstract: A ring gear bearing arrangement for motorgraders and method for assembling the vehicle with a ring gear that is rotatably supported by a frame of the vehicle through contact only with organic plastic bearing strips which maintain the ring gear against movement in any direction other than rotationally about the ring gear axis.
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: July 11, 1978
    Assignee: Caterpillar Tractor Co.
    Inventors: Joel M. Beckham, Gene B. Easterling, Reginald K. Ringel, Egon E. Wolff