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Class Information
Number: 411/149
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 > Plural, axially adjacent washers, or plural part washer
Description: Device wherein there are either (a) two or more open-center figures located next to one another along the axis of the bolt or nut, or (b) a single open-center figure which is made up of two or more different components, parts, substances, etc.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7462043 |
Electrical connector element |
Dec. 9, 2008 |
| 7168902 |
Wedge cam lock washer for threaded fasteners |
Jan. 30, 2007 |
| 7128511 |
Fastener |
Oct. 31, 2006 |
| 6966735 |
Screw mechanism |
Nov. 22, 2005 |
| 6935822 |
Detachable fastener including a screw element and a securing ring |
Aug. 30, 2005 |
| 6896465 |
Mounting element and method of manufacturing the same |
May. 24, 2005 |
| 6776565 |
Structure of an anti-burglar screw bolt |
Aug. 17, 2004 |
| 6758646 |
Structure for preventing loosening of threaded fasteners |
Jul. 6, 2004 |
| 6554555 |
Antenna-mounting nut |
Apr. 29, 2003 |
| 6554552 |
Wedge-locking fastener assembly with ring retainer for washer |
Apr. 29, 2003 |
| 6523866 |
Constant tension clamping device for flanged connections |
Feb. 25, 2003 |
| 6425719 |
Screw-locking assembly for garden shears |
Jul. 30, 2002 |
| 6347915 |
Lock washer for threaded fasteners |
Feb. 19, 2002 |
| 6039524 |
Self-locking safety wheel nut with locking wrench |
Mar. 21, 2000 |
| 6019556 |
Locking fastener assembly |
Feb. 1, 2000 |
| 5967724 |
Fastener assembly |
Oct. 19, 1999 |
| 5919018 |
Locking fastener |
Jul. 6, 1999 |
| 5746558 |
Locking apparatus for fastening system |
May. 5, 1998 |
| 5688091 |
Self-locking fastener with captive washer |
Nov. 18, 1997 |
| 5626449 |
Wedge-locking fastener assembly with a cammed flange |
May. 6, 1997 |
| 5564875 |
Locking fastener |
Oct. 15, 1996 |
| 5474409 |
Fastener assembly |
Dec. 12, 1995 |
| 5409338 |
Wedge-action lock washer assembly having coupled washers |
Apr. 25, 1995 |
| 5205691 |
Screw stabilizer |
Apr. 27, 1993 |
| 5203656 |
Self-centering, self-tightening fastener |
Apr. 20, 1993 |
| 5190423 |
Locking fastener |
Mar. 2, 1993 |
| 5180268 |
Expansion washer |
Jan. 19, 1993 |
| 5131690 |
Self-locking connector |
Jul. 21, 1992 |
| 5090855 |
Locking fastener assembly |
Feb. 25, 1992 |
| RE33827 |
Locking fastener |
Feb. 18, 1992 |
| 5080545 |
Lock washer assembly having wedge lock action |
Jan. 14, 1992 |
| 4708555 |
Locking fastener |
Nov. 24, 1987 |
| 4704058 |
Fastening device |
Nov. 3, 1987 |
| 4538313 |
Method of forming a joined pair of wedge-action lock washers |
Sep. 3, 1985 |
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