Patents by Inventor Sumner Smith, Jr.

Sumner Smith, Jr. 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: 3997936
    Abstract: Apparatus for removing waste, lint, dust, dirt and other accumulations of solid matter from the underside of machinery, especially textile machinery such as carding machines while the latter is in operation or not, comprising a frame designed to be installed beneath the machine on the floor on which there is reciprocally mounted a wiper arranged to travel over the floor in reciprocation so as to traverse the entire area beneath the machine, vacuum chambers at two of the opposite ends of the frame having open sides parallel to the wiper which are closed by the wiper when the latter reaches an end position and a timer operable to connect the chambers to a vacuum source as the wipers are moved to a position closing them to remove the waste swept into the chambers by the wiper.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: December 21, 1976
    Assignee: Abington Incorporated
    Inventors: Sumner Smith, Jr., Wladyslaw Typrowicz, Horst M. Leonhardt