Coupled Nut And Bolt Patents (Class 411/924)

Cross-Reference Art Collections

Deformed (Class 411/924.1)
Top stop (Class 411/925)
Positive lock (Class 411/926)
Thread lock (Class 411/929)
Flexible washer (Class 411/943)
Flexible key (Class 411/944)
Cross key (Class 411/945)
Elastic-gripping action (Class 411/947)
Longitudinal key (Class 411/948)
Rachet and bolt-carried pawl (Class 411/949)
Rachet and nut-carried pawl (Class 411/950)
Washer-carried pawl (Class 411/953)
Wedged slotted bolt (Class 411/954)
  • Anti cross thread nut
    Patent number: 4907930
    Abstract: A female threaded fastener, such as a nut, for preventing cross threading with a male threaded fastener comprises a body in which there is a threaded bore. A mouth is formed on at least one open end of the bore. The mouth has a partial thread section and a lip segment. The partial thread section has formed in it at least one partial thread. The lip section is unthreaded and may be angled radially outwardly from the bore.
    Type: Grant
    Filed: August 10, 1988
    Date of Patent: March 13, 1990
    Assignee: Buell Industries, Inc.
    Inventor: Francis C. Peterson