Patents by Inventor Thomas Leavelle

Thomas Leavelle 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: 8308139
    Abstract: A power winch for retrieving a load using a strap comprising: a motor, where the motor includes a drive shaft, where the drive shaft extends from the motor and a gear coupling at the end of the drive shaft; at least one gear reducer; at least one drive shaft, where said drive shaft engages the at least one gear reducer; a gear extension in each drive shaft; and four rollers that engage the gears of the at least one drive shaft where the rollers are designated as a first top roller, the second top roller, a first bottom roller, and a second bottom roller, where the first top roller and first bottom roller are aligned in a first vertical plane and a second top roller and second bottom roller are aligned in a second vertical plane. The four rollers are positioned at four different respective vertical heights. A strap interweaves through the four rollers that allows for the movement of the strap through the rollers powered by the motor.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: November 13, 2012
    Inventor: Thomas Leavelle
  • Publication number: 20120074365
    Abstract: A power winch for retrieving a load using a strap comprising: a motor, where the motor includes a drive shaft, where the drive shaft extends from the motor and a gear coupling at the end of the drive shaft; at least one gear reducer; at least one drive shaft, where said drive shaft engages the at least one gear reducer; a gear extension in each drive shaft; and four rollers that engage the gears of the at least one drive shaft where the rollers are designated as a first top roller, the second top roller, a first bottom roller, and a second bottom roller, where the first top roller and first bottom roller are aligned in a first vertical plane and a second top roller and second bottom roller are aligned in a second vertical plane. The four rollers are positioned at four different respective vertical heights. A strap interweaves through the four rollers that allows for the movement of the strap through the rollers powered by the motor.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 29, 2012
    Inventor: THOMAS LEAVELLE