Patents by Inventor Clifford Garrison

Clifford Garrison 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).

  • Planet carrier and clutch housing
    Patent number: 8961359
    Abstract: A planet carrier and clutch housing for a transmission is provided. The planet carrier and clutch housing includes a first deck, a second deck, an annulus and a plurality of planet carrier posts. The first deck has an inner rim, an outer rim, planet shaft bores and control oil bores. The second deck has an inner rim, an outer rim, a piston recess disposed between the inner and outer rims, planet shaft bores and control oil bores fluidly coupled to the piston recess. The annulus extends from the second deck. The planet carrier posts connect the first deck to the second deck, and each post has a control oil bore fluidly coupling respective control oil bores in the first and second decks. The inner surface of each second deck planet shaft bore may include a groove to receive a planet shaft seal.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: February 24, 2015
    Assignee: Caterpillar Inc.
    Inventors: Justin Floro, Thomas D. Koch, Michael Gross, Perry G. Cruce, Anthony R. Johnson, Clifford Garrison, Lawrence A. Rutledge
  • Planet Carrier and Clutch Housing
    Publication number: 20140041981
    Abstract: A planet carrier and clutch housing for a transmission is provided. The planet carrier and clutch housing includes a first deck, a second deck, an annulus and a plurality of planet carrier posts. The first deck has an inner rim, an outer rim, planet shaft bores and control oil bores. The second deck has an inner rim, an outer rim, a piston recess disposed between the inner and outer rims, planet shaft bores and control oil bores fluidly coupled to the piston recess. The annulus extends from the second deck. The planet carrier posts connect the first deck to the second deck, and each post has a control oil bore fluidly coupling respective control oil bores in the first and second decks. The inner surface of each second deck planet shaft bore may include a groove to receive a planet shaft seal.
    Type: Application
    Filed: August 7, 2012
    Publication date: February 13, 2014
    Applicant: CATERPILLAR INC.
    Inventors: Justin Floro, Thomas D. Koch, Michael Gross, Perry G. Cruce, Anthony R. Johnson, Clifford Garrison, Lawrence A. Rutledge