Patents by Inventor James R. Bland

James R. Bland 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).

  • Frictionally held control linkage for engine throttle controls and the like
    Patent number: 4018104
    Abstract: A throttle control linkage adapted for connection to the governor mechanism of an engine preferably comprises a slotted quadrant slidably mounted on a pin attached to a support member. The quadrant is held in a selected position on the support member by a frictional device comprising at least one elastomeric member compressed against a side of the quadrant by spring means, preferably in the form of a pair of back-to-back Belleville washers.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: April 19, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: James R. Bland, Rueben R. Brunka
  • Adjustable torque friction clutch
    Patent number: 3987687
    Abstract: A control lever arm pivotably mounted on a shaft has associated therewith a plurality of friction discs, and washers disposed between alternate adjacent friction discs. Means are included for adjusting the tightness of the friction discs and washers, such adjustment thereby varying the force which must be applied to the lever arm to overcome the force of such friction discs and pivot the arm about the shaft.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: October 26, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: James R. Bland, Fred R. Dauwalder