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Class Information
Number: 411/3
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Torque responsive nut or bolt driving connection > Frangible connection > Between concentric elements
Description: Subject matter wherein the holding device and the driving section are coaxial.










Sub-classes under this class:

Class Number Class Name Patents
411/5 Axially displaced 158
411/4 Shear pin connecting means 23


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8662805 Torque-limited attachment device Mar. 4, 2014
7316532 Screw with integrated screwdriver Jan. 8, 2008
7201529 Retaining device for a connection device, decoupling system equipped with such a device Apr. 10, 2007
7097404 Auto-torque, tamper-proof screws Aug. 29, 2006
6988863 Fastener for connecting and spacing parts Jan. 24, 2006
6840139 Tapered installation tool Jan. 11, 2005
6764114 Lead seal assembly Jul. 20, 2004
6729099 Concrete embedding anchor, fitment for the same and method of manufacturing concrete molded piece using the same May. 4, 2004
6699248 Multiple diameter tangential set screw Mar. 2, 2004
6491328 Bin seal and fastener Dec. 10, 2002
6406074 Destructible locking device Jun. 18, 2002
6322108 Pipe fitting Nov. 27, 2001
6296429 Mine roof tension nut having improved frangible qualities Oct. 2, 2001
6179841 Set screw for use with osteosynthesis apparatus Jan. 30, 2001
6004349 Set screw for use with osteosynthesis apparatus Dec. 21, 1999
5927917 Self-torquing nut Jul. 27, 1999
5873689 Low torque threaded fastener and mine roof support system using such a fastener Feb. 23, 1999
5752296 Secondary release apparatus May. 19, 1998
5692863 Self-locking preload controlling nut Dec. 2, 1997
5692419 Deformable locking fastener system and method of use Dec. 2, 1997
5688088 Dynamometric screw or nut Nov. 18, 1997
5658017 Tube nut torque limiting method and apparatus Aug. 19, 1997
5624216 Screw with a shearable head, and a tool for tightening such a screw Apr. 29, 1997
5509359 Pedestal liner system for locomotives Apr. 23, 1996
5452974 Deformable locking fastener system and method of use Sep. 26, 1995
5352065 Rock bolting Oct. 4, 1994
5282707 Fastening system for locking nut with torque indicating marks Feb. 1, 1994
5282698 Threaded fastener, method of fabrication thereof and method of supporting a mine roof using such a fastener Feb. 1, 1994
5234291 Roof bolts Aug. 10, 1993
5148727 Installation tool for locking fasteners and method of use Sep. 22, 1992
5135342 Tamper proof fastening apparatus Aug. 4, 1992
5092797 Electrical wire connector Mar. 3, 1992
5085546 Mounting assembly with an expansible anchor and a mounting tool Feb. 4, 1992
5064171 Drive head for a scissors jack Nov. 12, 1991
5064312 Delay stopper for a mine roof anchor and method of manufacture thereof Nov. 12, 1991
5061132 Self-locking fastener Oct. 29, 1991
5020949 Controlled-torque fastener Jun. 4, 1991
4905931 Arc suppression around fasteners Mar. 6, 1990
4884929 Flush head fastener Dec. 5, 1989
4867624 Tamper proof bolt and nut Sep. 19, 1989
4858732 Brake shoe Aug. 22, 1989
4789284 Self-cutting expansion anchor Dec. 6, 1988
4759237 Self-locking nut and tightening tool Jul. 26, 1988
4753560 Fastener-carrier system Jun. 28, 1988
4752171 Frictionally welded fastening anchor Jun. 21, 1988
4708550 Resistance between nut and bolt Nov. 24, 1987
4618291 Nut member and mine roof support system incorporating same Oct. 21, 1986
4564324 Dowel Jan. 14, 1986
4556350 Mine roof anchor bolt Dec. 3, 1985
4544312 Pin and process for its manufacture Oct. 1, 1985

1 2










 
 
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