Patents by Inventor Lorenzo Llach

Lorenzo Llach 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).

  • Variable speed drive system for carding machine
    Patent number: 4027358
    Abstract: A variable speed drive system for a carding machine employs a variable pitch pulley assembly that rotates the feed cylinder and doffer cylinder at a constant slow speed as the sliver is made up to the coiler can, and after a predetermined time lapse the speed of the feed cylinder and doffer automatically and progressively increase at a fixed speed ratio from the slow speed condition to a constant high speed condition. If the sliver is not made up properly within the time lapse, the operation of the feed cylinder and doffer cylinder is automatically terminated.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: June 7, 1977
    Assignee: Canton Textile Mills, Inc.
    Inventors: Lorenzo Llach, Arturo Picas