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Class Information
Number: 411/161
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Threaded fastener locked to a discreet structure (e.g., plate, rail, wheel) > Member or portion thereof located between substructure and inwardly facing surface of bolt head or nut > Member comprises washer formed as closed loop or apertured plate or as split ring > Closed loop having plural variations in the profile of a contact surface or a peripheral edge thereof > Variations comprise generally radially extending ridges or grooves
Description: Device wherein the pattern of recurring changes in the figure"s dimension in an axial direction is formed by a plurality of projections or recesses which traverse one or both regions from adjacent one periphery of such a region to adjacent the other periphery and, more often than not, along the shortest path (i.e., a radian) therebetween.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7497653 |
Locking fastener assembly |
Mar. 3, 2009 |
| 7261506 |
Washer and threaded fastener assembly incorporating same |
Aug. 28, 2007 |
| 7226259 |
Locking fastener assembly |
Jun. 5, 2007 |
| 7198445 |
Washer with crush zone |
Apr. 3, 2007 |
| 7192232 |
Self-locking fastening device |
Mar. 20, 2007 |
| RE39499 |
Catheter connector |
Feb. 27, 2007 |
| 7128511 |
Fastener |
Oct. 31, 2006 |
| 7014406 |
Anti-strip-out fastener |
Mar. 21, 2006 |
| 6966735 |
Screw mechanism |
Nov. 22, 2005 |
| 6935822 |
Detachable fastener including a screw element and a securing ring |
Aug. 30, 2005 |
| 6776565 |
Structure of an anti-burglar screw bolt |
Aug. 17, 2004 |
| 6769851 |
Captive fastener |
Aug. 3, 2004 |
| 6749386 |
Locking fastener assembly |
Jun. 15, 2004 |
| 6368038 |
Washer for securing electrical conduction at connections |
Apr. 9, 2002 |
| 6347915 |
Lock washer for threaded fasteners |
Feb. 19, 2002 |
| 6302629 |
Anti-loosening fastener |
Oct. 16, 2001 |
| 6190372 |
Catheter connector |
Feb. 20, 2001 |
| 6152665 |
Direct tension indicating washers |
Nov. 28, 2000 |
| 6129492 |
Device and tool for securing electrical conduction at connections |
Oct. 10, 2000 |
| 6082942 |
Electrical connection terminal assembly and tilt washer |
Jul. 4, 2000 |
| 5829933 |
Washer with a relief |
Nov. 3, 1998 |
| 5827028 |
Electrical connection terminal assembly and tilt washer |
Oct. 27, 1998 |
| 5746560 |
Fastener having torque-absorbing ribs |
May. 5, 1998 |
| 5409338 |
Wedge-action lock washer assembly having coupled washers |
Apr. 25, 1995 |
| 5217339 |
Non-seating plate/fastener assembly |
Jun. 8, 1993 |
| 5183359 |
Rotary fastener with anti-strip-out nibs |
Feb. 2, 1993 |
| 5011351 |
Wedge lock die washer |
Apr. 30, 1991 |
| 4826469 |
Belt adjuster |
May. 2, 1989 |
| 4812095 |
Threaded fastener |
Mar. 14, 1989 |
| 4808050 |
Vibration resistant fasteners |
Feb. 28, 1989 |
| 4793752 |
Drive-head lock washer |
Dec. 27, 1988 |
| 4710081 |
Self-locking resilient or non-resilient element |
Dec. 1, 1987 |
| 4589797 |
Fixing member adapted to be clamped on a shaftlike element |
May. 20, 1986 |
| 4538313 |
Method of forming a joined pair of wedge-action lock washers |
Sep. 3, 1985 |
| 4433877 |
Support assembly for vehicle wheels |
Feb. 28, 1984 |
| 4380413 |
Load-distributive washer for use with compressible material |
Apr. 19, 1983 |
| 4377361 |
Reversible lock washer |
Mar. 22, 1983 |
| 4361997 |
Fastener plate and assembly |
Dec. 7, 1982 |
| 4311319 |
Roller skate |
Jan. 19, 1982 |
| 4240670 |
Vehicle wheel covers |
Dec. 23, 1980 |
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