|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...
|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...
|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...