Patents by Inventor Marco Dezzani

Marco Dezzani 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).

  • Self-locking nut
    Patent number: 8382411
    Abstract: The invention relates to a self-locking nut (1) having an upper threaded collar (3) provided with longitudinal slots (7), being V or U shaped, also with sharp edge, defining in the collar a plurality of circular arc segments (9) compressed by an external helical spring (5), and in which the collar slots have such a width as not to allow the mutual contact of the circular arc segments (9) compressed by the spring. The spring of the self-locking nut is made of precipitation hardening stainless steel whereby it shows high constancy of braking torque features even for repeated screwing/unscrewing cycles. The invention also relates to a method for manufacturing the nut.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: February 26, 2013
    Assignee: Gally S.p.A.
    Inventor: Marco Dezzani
  • IMPROVED SELF-LOCKING NUT
    Publication number: 20110164940
    Abstract: The invention relates to a self-locking nut (1) having an upper threaded collar (3) provided with longitudinal slots (7), being V or U shaped, also with sharp edge, defining in the collar a plurality of circular arc segments (9) compressed by an external helical spring (5), and in which the collar slots have such a width as not to allow the mutual contact of the circular arc segments (9) compressed by the spring. The spring of the self-locking nut is made of precipitation hardening stainless steel whereby it shows high constancy of braking torque features even for repeated screwing/unscrewing cycles. The invention also relates to a method for manufacturing the nut.
    Type: Application
    Filed: May 25, 2009
    Publication date: July 7, 2011
    Applicant: GALLY S.P.A.
    Inventor: Marco Dezzani