Patents by Inventor Leonard A. Morrison

Leonard A. Morrison 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).

  • Wheel alignment method and apparatus
    Patent number: 4303338
    Abstract: There is described an instrument and method for adjusting toe relative to the tracking axis of the vehicle by initially measuring the toe angles of the two front or rear wheels relative to the planes of the other two wheels on the same respective sides of the vehicle, and then adjusting the toe angles by one-half the difference between the initially measured angles.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: December 1, 1981
    Assignee: Ammco Tools, Inc.
    Inventors: Leonard A. Morrison, Robert S. Hampton, Craig E. Mountz, John W. Murphy, Phillip A. Spainhour
  • Strut compressor
    Patent number: 4295634
    Abstract: A MacPherson Strut Compressor, with which a strut may be safely dismantled for repair, employs a fluid operated piston-cylinder, mounted to an adjustable upper platen to provide compression between a push platen and a lower base platen.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: October 20, 1981
    Assignee: Ammco Tools, Inc.
    Inventors: Phillip A. Spainhour, Leonard A. Morrison, Robert S. Hampton, Jr.
  • Automotive toe-in gauge
    Patent number: 4115926
    Abstract: This invention relates generally to wheel alignment devices, and specifically to such a device in which accurate toe can be established even if the angular relationship of the device to a reference line, such as the horizontal, changes during the toeing procedure.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: September 26, 1978
    Assignee: Ammco Tools, Inc.
    Inventors: Robert S. Hampton, Jr., Leonard A. Morrison, John W. Murphy, Craig E. Mountz
  • Caster camber gauge
    Patent number: 4114283
    Abstract: A caster-camber gauge includes an automatic interlock for presetting the caster and camber wheels, and a spirit level which is laterally mounted for calibration of the gauge.
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: September 19, 1978
    Assignee: Ammco Tools, Inc.
    Inventors: Phillip A. Spainhour, Robert S. Hampton, Jr., Leonard A. Morrison
  • Wheel clamp
    Patent number: 3990666
    Abstract: A wheel clamp incorporates a pair of leg members each having a pair of spaced apart rim grippers, the leg members being simultaneously adjustable toward and away from a center mount assembly having a mounting surface supported for limited universal movement.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: November 9, 1976
    Assignee: Ammco Tools, Inc.
    Inventors: Leonard A. Morrison, Robert S. Hampton, Jr., John Murphy, Leo C. Bogaerts
  • Automotive wheel alignment instrument
    Patent number: 3953134
    Abstract: An optical wheel alignment instrument employs a pair of light weight units each housing a light source and optics including an adjustable mirror for directing a reticle image on a target screen of the other unit, and magnetic devices extend from the approximate centers of gravity of the units for mounting thereof to the hubs of the wheels to be aligned.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: April 27, 1976
    Assignee: Ammco Tools, Inc.
    Inventors: Arthur V. Appel, Robert S. Hampton, Leonard A. Morrison
  • Wheel alignment instrument clamp
    Patent number: D246957
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: January 17, 1978
    Inventors: Leonard A. Morrison, Leo C. Bogaerts, Robert S. Hampton, Jr., John Murphy
  • Press
    Patent number: D270251
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: August 23, 1983
    Assignee: Ammco Tools
    Inventors: Phillip A. Spainhour, Leo C. Bogaerts, Robert S. Hampton, Jr., Leonard A. Morrison