Class 411/254 - Gripping member is moved radially into engagement with the threads

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the locking member assumes the thread gripping
No. of patents: 4
Last issue date: 03/24/1998

Number	Title	Issue Date
5730569	Hydraulically assisted fastener element An hydraulically assisted fastener has a pressure means (13) nested in a recess (15) or groove in a nut (11) or a thrust washer with a filler neck (20, 31, 44) whereat a nipple (14) can be used as a means of pumping grease or oil to the pressure means. Th...	03/24/1998
5460467	Automatic positive locking nut and related device for locking and unlocking the nut on a shaft A locking nut for use with a shaft having a serrated thread employs a segmented, radially expandable locking element having serrations on its internal diameter. The locking element is disposed in a counterbore of the nut and is axially movable between a f...	10/24/1995
4780036	Re-usable nut-locking assembly This assembly comprises a collar (3) having splines cooperating with splines on the bolt (1) and lateral tabs (4) in contact with flat sides of the nut (2). This assembly further comprises at least one bent elastically yieldable locking element (5, 5') ha...	10/25/1988
4588163	Valve stem travel limiting apparatus A stem travel limiting apparatus provides a relatively tamper proof limit setting device for an adjustable valve stem. In a preferred embodiment, an internally threaded annular collar is positioned about an externally matingly threaded stem, the collar ha...	05/13/1986

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