Patent
Mechanically locking fastener
Edgar L. Stencel
- 15 Jul 1976
10
TL;DR: A mechanically locking fastener has external threads for installation in the threaded bore of a workpiece and external radial teeth of a form for gripping the wall of the workpiece bore when turning moments tend to loosen the fastener and to pass over the bore wall upon rotation in the opposite direction as mentioned in this paper.
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Abstract: A mechanically locking fastener has external threads for installation in the threaded bore of a workpiece. A lock ring has internal radial serrations locked in serrations of the fastener proper, and external radial teeth of a form for gripping the wall of the workpiece bore when turning moments tend to loosen the fastener and to pass over the bore wall upon rotation in the opposite direction. The lock ring has a slip plane to permit contraction of the ring to a diameter no greater than the major diameter of the fastener and expansion of the ring when the fastener undergoes moments tending to loosen it. The fastener proper may be a stud or an insert. An external chamfer of the ring bears against a cooperating internal surface of the workpiece to positively determine the axial location of the insert with respect to the workpiece.
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Citations
Patent
Self-locking threaded fastener assembly
Stephen Bowling,W. Kurt Feick +1 more
- 25 May 2000
TL;DR: A self-locking fastener assembly as mentioned in this paper includes a male screw fastener and a related female component (such as a plastic workpiece) for receiving the male fastener; a locking element is mounted on, or integrally formed with, the male screwfastener and provides at least one or more flexible fingers extending radially outwardly.
43
Patent
Anti-rotation locking assembly
Stanley J. Stevens,Jeffrey G. Hoffman +1 more
- 29 Mar 1984
TL;DR: An anti-rotation locking assembly is provided for preventing rotation of a surface such as in a housing member with respect to a threaded shaft as on a body to which the housing member is threadably mounted as mentioned in this paper.
14
Patent
Component having insert for receiving threaded fasteners
Benjamin George Taylor,Matthew Fitt +1 more
- 10 Dec 2013
TL;DR: In this article, a component formed of a plastic matrix composite material is provided, which has a metal liner (704) fixed in a correspondingly shaped recess formed in the composite material, the liner has a threaded bore (712) into which is screwed an externally threaded, hollow cylindrical, metal insert.
10
Patent
Fastener with attached lock ring
Jr. Jose Rosan
- 28 Feb 1985
TL;DR: A lock ring and fastener which is manufactured with the lock ring connected by metal tabs or a metal strip of the same parent material as the fastener is intended to be installed in a threaded bore of a workpiece as an insert or stud as discussed by the authors.
10
Patent
Locking nut for toilet seat
Garnet Dundas,Saverio Paonessa,Maoxin Gong +2 more
- 23 Apr 2014
TL;DR: A locking nut as discussed by the authors includes a nut top, a nut middle, and a slip section, where the slip section includes a plurality of cantilevered posts having a respective free end, wherein on each post are formed a respective second slip surface and a second drive surface.
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