Class 411/932 - Oppositely threaded

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Art collection under art collection 931 in which one nut
No. of patents: 3
Last issue date: 01/05/1999

Number	Title	Issue Date
5855463	Bolt and nut thread friction locking device with opposite hand threads with a captured spring or spring lock washer A friction thread locking device assembly consisting of several components, which are so constructed and assemble to resist the rotational effects of vibration forces. The resistance is achieved by the use and placement of opposing threads (right and left...	01/05/1999
5582496	Top lock jam nut apparatus and method A jam nut apparatus for fastening to a threaded end of a bolt to secure the bolt where the threaded end has first handed threads includes a locking nut having an internal nut passageway with nut internal threads, the nut passageway having a first passagew...	12/10/1996
5544991	Locking frustrum nut A two-piece locking nut which includes a first nut (22) having an internal thread and a frusto-conical surface (32) at one end of said first nut, a second nut (28) having an internal thread of opposite hand as the thread of said first nut and a frusto-con...	08/13/1996

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