Patents by Inventor H. W. Crowler

H. W. Crowler 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: 5000394
    Abstract: A machine for feeding rolls of web material to a utilization device that is adapted to draw the web material into the utilization device. The roll machine includes a frame carrying a carriage that supports a pair of arms having respective chucks that are adapted to move toward and away from each other for engaging and disengaging with the core of a roll that is being supported and fed. An overhead drive arrangement is used for driving the periphery of the roll in combination with a torque roller for maintaining tension in the web. A gravity loop of the material has its position sensed for control of the roll drive means in a manner to match the rate of use by the utilization device.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: March 19, 1991
    Assignee: Roll Systems, Inc.
    Inventors: R. Langdon Wales, H. W. Crowler