Patents Assigned to Challenge Tool & Manufacturing, Inc.
  • Speed changing device
    Patent number: 4631044
    Abstract: A speed changing device wherein the driver and driven pulleys can be replaced to attain a desired increase or decrease in rotational speed. The distance between the driver and driven pulleys is adjustable so that the tension of the drive belt coupling the driver and driven pulleys is also adjustable. The mounting plate upon which the motor and driver pulley are mounted can be tightened securely against the housing so that the previously set tension can be retained during the operation of the speed changing device.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: December 23, 1986
    Assignee: Challenge Tool & Manufacturing, Inc.
    Inventor: Larry Redmon