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Class Information
Number: 411/916
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Bolt having tension feature
Description: Art collection of bolt fasteners designed either to be passed through two or more pieces to be secured together and having a locking device, e.g., a nut, or those having a threaded or otherwise configured shank which engages a corresponding prepared recess in one of the pieces to be secured and further wherein a bolt fastener is provided with a tension feature.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8475101 Locking screw Jul. 2, 2013
8328482 Hydraulic foundation bolt tensioner Dec. 11, 2012
8266781 Hydraulic tensioning jacks Sep. 18, 2012
7350438 Connection rod for internal combustion engine Apr. 1, 2008
7316538 Turbine engine with an uncoupling device, uncoupling device and fusible screw for the uncoupling device Jan. 8, 2008
7198465 Fastening arrangement for a split casing Apr. 3, 2007
7195439 Tightening member Mar. 27, 2007
7165925 Self adjusting, high strength, screw system Jan. 23, 2007
7025550 Pull type swage fasteners with removable mandrel Apr. 11, 2006
6769830 Connector assembly Aug. 3, 2004
6715975 Tension control arrangement for a bolt Apr. 6, 2004
6688828 Self-torquing fasteners Feb. 10, 2004
6688058 FASTENER ASSEMBLY SERVING AS A PRODUCT, OR COMBINED WITH OTHER COMPONENTS AS A PRODUCT, ALLOWS AUTOMATIC CONTROLLED MOVEMENTS IN ONE DIRECTION AND PREVENTS MOVEMENTS IN THE OPPOSITE DIRECTION Feb. 10, 2004
6685406 Perforated nut tensioning system Feb. 3, 2004
6585467 Threaded fastener with press-fit washer Jul. 1, 2003
6506007 Fastening bolt Jan. 14, 2003
6421902 Method and device for producing and checking screwed connections Jul. 23, 2002
6381827 Method for maintaining a clamping force between bolted parts in high temperature May. 7, 2002
6276883 Self adjusting screw system Aug. 21, 2001
6263764 Jackbolts for multi jackbolt tensioners Jul. 24, 2001
6264414 Fastener for connecting components including a shank having a threaded portion and elongated portion and a fitting portion Jul. 24, 2001
6254322 Bolt with a bolt member, a washer and a sleeve for applying forces to the bolt member and the sleeve Jul. 3, 2001
6254323 Bolt for connecting two parts with one another, and fastening device provided with the bolt Jul. 3, 2001
6199453 High temperature bolting system Mar. 13, 2001
6196781 Screw fastener with multiple threaded portions Mar. 6, 2001
6195949 Hold down device and method Mar. 6, 2001
6176663 Apparatus for reducing fastener bending stress in flanged connections Jan. 23, 2001
6112396 Jackbolts for multi jackbolt tensioners Sep. 5, 2000
5992910 Eyebolt assembly Nov. 30, 1999
5878490 Method for connecting piping system components with limited clearance for stud tensioner Mar. 9, 1999
5772378 Pre-tensioning device for fastening elements and method for pre-tensioning a fastening element Jun. 30, 1998
5771266 Device for joining together two plates of the baffle assembly of the core of a nuclear reactor Jun. 23, 1998
5700120 Threaded fastener and method of improving the fatigue life thereof Dec. 23, 1997
5603595 Flywheel nut separable connector and method Feb. 18, 1997
5584627 Load indicating fasteners Dec. 17, 1996
5572920 Cylinder liner securing apparatus Nov. 12, 1996
5547326 Spring washer for the securing of screws, nuts, or the like Aug. 20, 1996
5535561 Cable hold down and bracing system Jul. 16, 1996
5496142 Slotted conical spring washer Mar. 5, 1996
5468106 Hydraulic tensioning device Nov. 21, 1995
5466107 Spacer washer for bolted joint Nov. 14, 1995
5256015 Torque limiting bolt having retained shear pins Oct. 26, 1993
5226765 Load-indicating fastener Jul. 13, 1993
5165831 Capscrew head markings for torque-angle tightening Nov. 24, 1992
5156508 Cam action clamp Oct. 20, 1992
5123794 Connecting mechanism which can be rapidly unlocked and usable on space vehicles Jun. 23, 1992
5112178 Spring washer for securing screws, nuts or the like May. 12, 1992
5102276 Removable fastener with elastic linking means Apr. 7, 1992
5102273 Visually indicated preloaded bolt Apr. 7, 1992
5083889 Structure for preventing escape of jack bolts in apparatus to mechanically stress a bolt-type fastener Jan. 28, 1992

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