Patents by Inventor Troy V. Waldron

Troy V. Waldron 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).

  • Dual weight stack exercising machine with coupling arrangement
    Patent number: 6719672
    Abstract: A weight stack adjusting mechanism is provided for an exercise machine having a frame, an operating mechanism movably connected to the frame, a resisting structure on the frame and a connecting device entrained about a first pulley and a second pulley. Both pulleys are mounted on the frame and join the operating mechanism with the resisting structure so as to selectively allow moving the resisting structure between a raised position and a lowered position. The system includes a first guide rod, a second guide rod, a third guide rod, and a fourth guide rod, each being supported by the frame. The resisting structure is formed by a primary weight stack movably mounted on the first and second guide rods, and a supplementary weight stack movably mounted on the third and fourth guide rods.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: April 13, 2004
    Assignee: Northland Industries, Inc.
    Inventors: Patrick D. Ellis, Troy V. Waldron