Patents by Inventor James L. Bonstein

James L. Bonstein 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).

  • Tapered locking nut
    Patent number: 5123793
    Abstract: A locking nut is provided by forming a straight cylindrical bore through a body, forming a tap with uniform teeth, the tips of which taper at a shallow angle toward one end of the tap, and tapping said bore with said tap so as to produce a thread having a pitch diameter and a root diameter which taper from one of the thread to the other, and a crest which is of constant diameter and increasingly truncated from one end to the other, said thread at said one end having substantially a full profile.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: June 23, 1992
    Assignee: Deutsch Fastener Corporation
    Inventor: James L. Bonstein
  • Method of forming a locking nut and locked threaded connection
    Patent number: 5014411
    Abstract: A locking nut is provided by forming a straight cylindrical bore through a body, forming a tap with uniform teeth, the tips of which taper at a shallow angle toward one end of the tap, and tapping said bore with said tap so as to produce a thread having a pitch diameter and a root diameter which taper from one of the thread to the other, and a crest which is of constant diameter and increasingly truncated from one end to the other, said thread at said one end having substantially a full profile.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: May 14, 1991
    Assignee: Deutsch Fastener Corporation
    Inventor: James L. Bonstein