Patents by Inventor Jack A. Poindexter

Jack A. Poindexter 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).

  • Crush roll plenum for carding machines
    Patent number: 4074391
    Abstract: A combination web cover and suction chamber define a crush roll plenum which communicates with and extends forwardly from the doffer plenum of a suction cleaning system for carding machines. It includes a suction opening closely spaced from the top crush roll and its scraper blade to continuously pick up accumulations of lint taken from the crush roll by the scraper blade. Intermittent blasts of compressed air are directed toward the scraper blade to purge it of accumulations of foreign matter which is blown into the continuous suction current.
    Type: Grant
    Filed: January 19, 1977
    Date of Patent: February 21, 1978
    Assignee: Jenkins Metal Corporation
    Inventors: Robert B. Jenkins, Jr., Jack A. Poindexter