Patents by Inventor Royce Wheatcroft

Royce Wheatcroft 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: 5146665
    Abstract: An apparatus for lacing together ends of a belt. The apparatus contains a base, a pair of shoulders secured to the base and spaced apart in an aligned relationship. An A-frame member secures to the pair of shoulders. A pair of guide members connect to the pair of shoulders wherebetween a lever is slidably disposed for moving up and down. A pair of springs connect to the A-frame and to the lever for biasing upwardly the lever. An hydraulic jack is preferably provided for driving downwardly the lever towards the base to contact and close a clipper vise lacer containing a plurality of clipper hooks. Upon closure, the clipper vise lacer drives and embeds the clipper hooks into an end of the belt that has been previously disposed in the clipper vise lacer.
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: September 15, 1992
    Inventor: Royce Wheatcroft
  • Patent number: 5018262
    Abstract: An apparatus for lacing together ends of a belt. The apparatus contains a base, a pair of frame structures secured to the base and connecting together at the respective tops thereof. The pair of frame structures slope downwardly from their respective connected tops and away from each other such as to provide a generally upright opening wherein a lever is slidably disposed for moving up and down. A pair of springs connect to the pair of frames and to the lever for biasing upwardly the lever. An hydraulic jack is preferably provided for driving downwardly the lever towards the base to contact and close a clipper vise lacer containing a plurality of clipper hooks. Upon closure, the clipper vise lacer drives and embeds the clipper hooks into an end of the belt that has been previously disposed in the clipper vise lacer.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: May 28, 1991
    Inventor: Royce Wheatcroft