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Class Information
Number: 411/81
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Threaded fastener locked to a discreet structure (e.g., plate, rail, wheel)
Description: Device comprising a fastener in the nature of a threaded bolt or a threaded nut, or an interthreaded bolt and nut, and means for either preventing or limiting the turning of the bolt or the nut, or both of them, about its longitudinal axis relative to a claimed substructure (e.g., a base, a panel, a surface, an art device or, more generally, a workpiece) with which one or the other, or both, is associated.

Sub-classes under this class:

Class Number Class Name Patents
411/166 Design of fastener or substructure restricts rotation (e.g., flattened head rotatable in receiving slot, depression in substructure, bolt clipped to substructure) 57
411/87 Elongate member extending between and interlocking plural bolts or nuts 33
411/116 Fastener, or coaxial adjunct therefor, having sidewardly facing flat or formation engaged by portion of member (e.g., side lock) 30
411/86 Including a series of elements, one element restricting two fasteners of a plurality, and the remainder each restricting one fastener 1
411/101 Member engages the inwardly facing surface of a plurality of bolt heads or nuts 4
411/90 Member extending between and engaging flat formed on side of each of a plurality of bolts or nuts (e.g., side lock) 10
411/89 Member extending between plural fasteners and restricting the rotation thereof in one direction more than the other (e.g., pawl and ratchet) 4
411/132 Member or portion thereof located between substructure and inwardly facing surface of bolt head or nut 16
411/103 Member preassembled with substructure at through-passage or recess for holding single bolt or nut in coaxial relation therewith 79
411/172 Nut, and means to engage substructure on its opposite faces for retaining nut at aperture therein, formed as unitary component 36
411/84 Prefabricated assembly comprising strip or sheet member carrying plural, similar fasteners 95
411/114 Recessed or toothed member receiving movable pawl carried by bolt head or nut 12
411/102 Series of elements, each restricting a single fastener, cooperating to restrict a series of fasteners 15

Patents under this class:

Patent Number Title Of Patent Date Issued
8511953 Nut plate integral epoxy filled sleeve Aug. 20, 2013
8454286 Nut plate integral epoxy filled sleeve Jun. 4, 2013
8042246 Tool and method of repair for removing bulges in stained glass windows Oct. 25, 2011
7988652 Joint brace adjustable device Aug. 2, 2011
7981189 Captive tooless fastener for securing an engine intake air filter and clamp assembly for air filter housing Jul. 19, 2011
7819371 Universal suspended anchor system Oct. 26, 2010
7591246 Isolated fuel delivery system Sep. 22, 2009
7534220 Adjustable ergonomic brace May. 19, 2009
7281962 Arrangement for mounting a lug on a screw Oct. 16, 2007
7223458 Molded product including coupling component incorporated in receiving member May. 29, 2007
7207288 Fixing assemblies and methods Apr. 24, 2007
6641229 Spindle mounting for aluminum wheel carrier Nov. 4, 2003
6562206 Anode assembly May. 13, 2003
6520270 Depth stop assembly for a hand-held power tool Feb. 18, 2003
6357951 Loose-leaf binder assembly Mar. 19, 2002
5891115 Securing element Apr. 6, 1999
5827285 Multipiece interfragmentary fixation assembly Oct. 27, 1998
5775170 Robotic arm motor stabilizer Jul. 7, 1998
4974989 Method for reducing installation forces and costs in a tapered bolt installation Dec. 4, 1990
4436467 Easily releasable blind rivets Mar. 13, 1984
4230166 Skirted nut Oct. 28, 1980
4137959 Self-locking knob and stud assembly Feb. 6, 1979
3985172 Panel extruding nut and assembly Oct. 12, 1976
3938239 Method of forming a self-flanging nut joint Feb. 17, 1976

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