Including Detachable Cam Patents (Class 112/460)
  • Locking device for removable sewing-machine control cams
    Patent number: 4594959
    Abstract: The cams controlling the operation of sewing machines, in particular for selection of the type of sewing stitch, are made on a single support which can be replaced by removal from a special housing in the sewing machine and locked in operative position.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: June 17, 1986
    Assignee: Stabilimento Industriale Singer, s.r.l.
    Inventors: Giuseppe Valori, Marco Primati