Patents by Inventor William K. Schweitzer

William K. Schweitzer 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: 4613094
    Abstract: Apparatus for forming a tread, such as a tank or earth moving equipment tread, into a roll for transport. First and second support members are mounted on a vehicle, such as a forklift truck. A blade having an inclined, tapered front portion is movably mounted on one of the support members and releasably engages the opposite support member to engage the tread and urge the end of the tread into a roll as the vehicle is moved over the tread. A roller is mounted between the support members rearward of the blade to urge the end of the tread into a roll. Pins mounted on the support members are movable into the center of the tread roll to support the roll above the ground for transport. Lock means are provided for the pins in either of the first or second positions.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: September 23, 1986
    Inventor: William K. Schweitzer