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| Number | Title | Issue Date |
| 7357363 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 04/15/2008 |
| 7341414 | Fastener and method for reducing stress failure in an engine component A fastener and a method for reducing stress failure in a fastening joint of an internal combustion engine component are provided. The threaded fastener may be a bolt or a stud secured to an engine block. The fastener has a threaded tip portion with a radius and a di... | 03/11/2008 |
| 7334961 | Internally disposed linear fastener system A linear locking set screw system capable of rapid linear engagement and disengagement includes a threaded outwardly expandable set screw and an expander member which are constructed and arranged to thread easily into a threaded aperture while in a first release pos... | 02/26/2008 |
| 7329076 | Hole location gauges and methods The present invention provides devices and methods for indicating or gauging the position of one or more holes in a workpiece. In one aspect of the present invention reusable devices that can be removably engaged with a bore or tapped hole in a workpiece for accurat... | 02/12/2008 |
| 7320555 | Cardan shaft structure with tightness adjustable functions A cardan shaft structure with tightness adjustable functions has a through-hole passing through spheres located at both ends of the cardan shaft body, and a taper socket respectively installed into the opening end of each sphere. A bolt is inserted into both spheres... | 01/22/2008 |
| 7275903 | Light weight fastener for use on interference fits in automation A fastener for installation into an interference fit hole within a structure. The fastener may be installed through automated installation methods. The fastener includes an enlarged protruding head at a proximal end of the fastener. Distal the head is a substantiall... | 10/02/2007 |
| 7165924 | Split lock screw fastener assembly and method A self-locking bolt assembly (1) includes a split bolt (2) and a screw set pin (3). The bolt includes a threaded shank (4), an axial bore (6) extending through the shank, the bore (6) including a threaded bore section (6 | 01/23/2007 |
| 7118303 | Internally disposed linear fastener system The present invention provides a linear locking set screw system capable of rapid linear engagement and disengagement. More specifically, the system utilizes a threaded outwardly expandable set screw and an expander member which are constructed and arranged to threa... | 10/10/2006 |
| 7073996 | Two-piece crank hanger set for bicycles A two-piece crank hanger set including a left crank arm having a tubular crank spindle attached thereto and a right crank arm having at least one chain sprocket wheel attached thereto. The crank spindle extends through a bicycle crank tube. Bearing cups are removabl... | 07/11/2006 |
| 7037027 | Bolted connection of two components with alignment compensation in three dimensions A connection arrangement accommodates misalignments in three dimensions, and achieves a positive fixed connection between two components. A threaded standoff with a first bolt hole therein is partially screwed into a threaded hole in the first component and protrude... | 05/02/2006 |
| 7011281 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 03/14/2006 |
| 6908271 | Split lock screw fastener assembly and method A self-locking bolt assembly (1) includes a split bolt (2) and a screw set pin (3). The bolt includes a threaded shank (4), an axial bore (6) extending through the shank, the bore (6) including a threaded bore section (6 | 06/21/2005 |
| 6488459 | Aerospace fastener A fastener has male and female sections, each section having an elongate portion and a head with an outer diameter larger than that of the elongate portion. The elongate portion of the male section has external threads, and the elongate portion of the fem... | 12/03/2002 |
| 6447227 | Threaded fastener A threaded fastener which includes a shank, a radially enlarged head at one end, an external thread on at least a part of the shank, and a bore which extends through the head and into the threaded part of the shank. At least the threaded part of the shank... | 09/10/2002 |
| 6164886 | Bolt with integral locking member A high strength bolt fastens a baffle plate and a former plate of a pressurized water nuclear reactor pressure vessel together. The bolt has a head portion and an integral locking member extending from the head portion for engaging one of the structural m... | 12/26/2000 |
| 6116942 | Locking device for electrical connector A locking device for an electrical connector comprises an engaging rod defining an outer screw thread thereon for engaging with a bolt of a mating connector defining an inner screw thread therein, and an additional inserting rod inserted into the engaging... | 09/12/2000 |
| 6089673 | Vehicle wheel hub and bearing retention system and method for producing same This invention relates to an improved vehicle wheel hub and bearing retention system and method for producing the same, the vehicle wheel hub and bearing retention system including a wheel hub, a bearing unit, and a bearing retention and preload device. T... | 07/18/2000 |
| 6056490 | Anti-rotational fastening system An anti-rotational fastening system consisting of a primary bolt or screw that is fabricated with an axial passage at the center of the drive head extending through the entire length. The threaded end has a tapered counterbore that is sectioned to provide... | 05/02/2000 |
| 5879389 | Medical substituting element for hard tissues and artificial joint The invention solves a problem associated with a conventional medical substituting element for hard tissues that loosening is likely to occur after the substituting element is mounted on hard tissues, by providing the medical substituting element for hard... | 03/09/1999 |
| 5542799 | Machine screw A shaft has a head attached at one end and terminates at the other end in a tapered tip. A slot passes through the shaft, extending from the end opposite the head at least partially along the length of the shaft. Helical thread segments extend along the s... | 08/06/1996 |
| 5435678 | Insert assembly for connecting fasteners to lightweight materials An insert assembly for installation in a workpiece having a threaded hole. When the inner insert is axially received within the outer insert, the mating surfaces of these members are configured such that the inner insert applies a radial outward force to ... | 07/25/1995 |
| 5344252 | Key for coupling driving and driven members together This key comprises a pair of elongated blocks each having a tapered recess; a tapered pin adapted to be inserted in a tubular tapered portion which is formed by bringing the pair of blocks together in such a manner that the tapered recesses confront, and ... | 09/06/1994 |
| 5333977 | Bolt having a locking means A locking bolt consists of a main bolt with a through hole extending axially along its center line, a deforming bolt rotatably mounted in the through hole in the main bolt, and a nut which is screwed onto the end of the deforming bolt. At least one slit i... | 08/02/1994 |
| 5244323 | Self locking set screw A threaded, locking set screw with standard outer dimensions having a thred body, an expansion plug, and a retaining wedge. The threaded body has a tapered cavity at its bottom end. The expansion plug and retaining wedge are inserted into the cavity in t... | 09/14/1993 |
| 5232323 | Removable threaded fastener with locking plate The present invention provides a threaded insert assembly with a locking plate having a non-circular shape and a non-serrated outer edge instead of a conventional circular shaped locking ring having a circular serrated outer edge. The non-circular locking... | 08/03/1993 |
| 5221167 | Security head anchor An improved pin drive anchor has an elongated body, a lock nut, and a drive pin having a securing section. The outer end of the body is threaded to permit the lock nut to be threadable therein. When the drive pin is driven into the anchor, the security se... | 06/22/1993 |
| 5219254 | Expandable fastener and locking means therefor A fastener assembly for use in locking relationship with an internally threaded member is disclosed which includes an expandable bolt having a cavity extending longitudinally therethrough which is cylindrically shaped on a first end segment thereof and fr... | 06/15/1993 |
| 5023990 | Device and method for removably retaining components in a smooth bore A device for removably retaining a fluid system component in a smooth bore comprises of body on one end of which the component is mounted and the other end of which comprises a plurality of wings. The interior of the body provides female screw threads int... | 06/18/1991 |
| 5011352 | Deflection type thread lock for a threaded fastener A fastener includes a threaded pin and an internally threaded collar. The threads can freely be run without impediment during tightening. After the fastener is tightened, a tool engages a shoulder on the collar and presses a deflector against the collar o... | 04/30/1991 |
| 4976577 | Locking bolt assembly A locking bolt assembly that prevents the release of loose parts in the event of bolt failure. A bolt having a head and threaded main body portion is provided with a central bore through the head and main body portion. The central bore has a necked down a... | 12/11/1990 |
| 4946126 | Self-locking fasteners and in articles supported thereby A self-locking screw (30) assures uniform mating and locking between its threads (64) and those (70) of an article (68) into which the screw is threaded. A head (34) includes a central portion (54) and an annular outer portion (52) which surrounds the cen... | 08/07/1990 |
| 4905546 | Twist-proof mechanical connecting assembly A twist-proof mechanical connecting assembly includes first and second components. The first component has a recess formed therein with a groove in the form of at least one pocket. A connecting element in the form of a bolt penetrates the first component ... | 03/06/1990 |
| 4882980 | Tandem brake booster An interconnecting structure between a hub and a nut of a tandem brake booster is disclosed. The nut is formed with a plurality of recesses while the hub is formed with anti-rotation locks extending radially outward for engagement with the recesses to pre... | 11/28/1989 |
| 4874275 | Secure three-piece threaded fastener, and method A three-piece fastener includes a bolt with a shank having a concentric opening in its threaded end, a nut adapted to fit over the threaded end of the bolt, and a wedge member which is insertable into the end opening of the bolt for expanding and thereby ... | 10/17/1989 |
| 4799841 | Dowel-like apparatus for locating a component on a reference part A dowel-like device is described for locating a component (1) having a through-bore (33) relative to a reference part (2) provided with a bore (34), the through-bore and the bore having the same inside width. In order for the dowel to permit an accurate, ... | 01/24/1989 |
| 4715757 | Attachment apparatus and method for attaching An apparatus which attaches a first device within a cavity of an anchor without using inserts, flanges, or adhesives is disclosed. Flexibility in positioning the device relative to the anchor is provided regardless of whether the anchor cavity or the devi... | 12/29/1987 |
| 4448561 | Screwed safety assembly A screwed safety assembly capable of being assembled and disassembled at a distance and under immersion, in which the screw head comprises a deformable cylindrical ferrule (15) and in which the seating (4) of the screw head comprises widened portions (6) ... | 05/15/1984 |
| 4411570 | Tamper-proof fastener A tamper-proof fastener consists of a screw body having a flat-faced head portion and a threaded shank portion having at least one slit extending in a radial direction and located in an end of the shank opposite the head portion, the slit forming at least... | 10/25/1983 |
