Patents by Inventor Alexander N. Nicol

Alexander N. Nicol 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).

  • Patent number: 5233817
    Abstract: An attachment apparatus for a cutter head is provided which includes a pair of brackets located on the cutter head having holes located therein. A pair of pins are located at one side of a pair of cutter annexes which enable the annexes to be fitted onto the cutter head. The annexes each include a frame with a pair of wheels. The annexes are able to pivot about the axis of the pins.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: August 10, 1993
    Inventor: Alexander N. Nicol
  • Patent number: 5079926
    Abstract: Apparatus for varying the height of a cutter head on a motor mower vehicle, whereby the cutter head has ground contact wheels and is attached to the motor mower vehicle. The apparatus includes a flexible linkage member which is also able to be extended, thereby enabling the cutter head to follow the contours of the ground being traversed. The cutter head is also able to be pivoted to the vertical position about a pivotal joint between the cutter head and the motor mower vehicle.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: January 14, 1992
    Inventor: Alexander N. Nicol
  • Patent number: 5067581
    Abstract: An articulated drive system for an articulated motor vehicle having a motor and a steerable drive wheel on opposite sides of a pivot axis. The system comprises a drive belt connecting a drive pulley and a load pulley. Idler pulleys and a belt tensioning pulley are located within the circuit of the drive belt. The idler pulleys and belt tensioning device provide for self-centering of the steerable drive wheel when the pivoted vehicle is in a pivoted state.
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: November 26, 1991
    Inventor: Alexander N. Nicol