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| Number | Title | Issue Date |
| 7988395 | Mechanical fastener system for high-temperature structural assemblies A relatively low cost, lightweight and thermal stress-free mechanical fastener system having particular application for reliably joining together high temperature structural members (e.g., a pair of flat fiber-reinforced ceramic composite plates). The mechanical fas... | 08/02/2011 |
| 7347189 | Fuel injector clamp with retaining sleeve The following describes an apparatus for and method of clamping a device, such as a fuel injector, to a platform, such as a cylinder head, and thereafter removing the device from the platform together with the clamp. A retaining sleeve is deformed such that the reta... | 03/25/2008 |
| 7144413 | Graft fixation system and method A graft fixation device, system and method are disclosed for reconstruction or replacement of a ligament or tendon preferably wherein a soft tissue graft or a bone-tendon-bone graft is received and implanted in a bone tunnel. The graft fixation system includes a fix... | 12/05/2006 |
| 7111875 | Wall hydrant with slip clutch assembly A hydrant for use with a plumbing outlet pipe has a fluid passage passing from an inlet end to an outlet end and a retention body connected to the inlet end. A slip clutch adapted to contractibly receive the pipe and prevent reverse pipe movement therethrough is loc... | 09/26/2006 |
| 7051695 | Valve cover fastener and method A valve cover fastener includes a bolt including an elongated threaded rod and a bolt head. The rod has a bottom end and a top end. The bolt head is integrally coupled to the top end. A nut is threadably coupled to the rod such that the nut is positioned between the... | 05/30/2006 |
| 6922955 | Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t... | 08/02/2005 |
| 6474920 | Sandwich type expansion bolt An expansion bolt includes two symmetrical bolt halves. The bolt halves each includes an inner side, an outer side, a front face, a rear face, and outer threads are provided at the outer side for the mounting of a nut thereon. An insert block inserted in ... | 11/05/2002 |
| 6305479 | Wall tie reinforcement and method A helical wedge tie, anywhere from 21/2 inches to 4 inches in length, (which is approximately the width of a standard brick), can be utilized to wedgingly engage the mortar in a wall after a helical main tie has been passed all the way through the mortar ... | 10/23/2001 |
| 6155352 | Wall tie reinforcement and method A helical wedge tie, anywhere from 2 1/2 inches to 4 inches in length, (which is approximately the width of a standard brick), can be utilized to wedgingly engage the mortar in a wall after a helical main tie has been passed all the way through the mortar... | 12/05/2000 |
| 6115890 | Cord and a positioned spherical clamp A two-piece clamp, of a spherical shape convenient for use as a hand grip, attached about a cord in an interposed position therebetween, which impales the cord with pointed teeth so that the clamp holds fast to its position at the attachment site despite ... | 09/12/2000 |
| 6076437 | Screw set in place and removed rapidly, its fabrication process and tool for its removal A screw intended to be set in place and removed rapidly. The screw is characterized in that the threads are intended to take two positions: a first position wherein they project at the periphery of a body (1) and a second position wherein they are retract... | 06/20/2000 |
| 6048150 | Bolt with load spreading and sealing washers A forged, integral bolt (20) has a head, a tapered neck (22), a shank, and a plurality of plastically deformable, raised, contact surface portions (31) uniformly positioned adjacent the neck and extending axially and radially of the bolt for spreading a l... | 04/11/2000 |
| 6039125 | Wall tie reinforcement and method A helical wedge tie, anywhere from 21/2 inches to 4 inches in length, (which is approximately the width of a standard brick), can be utilized to wedgingly engage the mortar in a wall after a helical main tie has been passed all the way through the mortar ... | 03/21/2000 |
| 5803671 | Hollow bars and method of manufacture A hollow bar (3) and a method of manufacturing the hollow bar are disclosed. Typically, the hollow bar is a threaded rock bolt or a drill rod. The hollow bar (3) comprises two or more elongate members (21a, 21b) connected together along the longitudinal e... | 09/08/1998 |
| 5788443 | Male coupling with movable threaded segments A male coupling with movable threaded segments, consisting of a shaft, a sleeve mounted to move along the shaft, a plurality of threaded segments surrounding the shaft and mounted to move inwardly and outwardly relative to the shaft to effectively vary th... | 08/04/1998 |
| 5733069 | Loose roof plate retensioning device The present invention relates to a loose roof plate retensioning device for the roof of a mine. The device is comprised of an externally threaded split bushing, a spacer unit and an internally threaded nut, the threading being complementary to that of the... | 03/31/1998 |
| 5368344 | Coupling stud assembly A coupling stud assembly for coupling together a pair of flanges. A stud ing a tapered surface is inserted into respective overlapping through-holes provided in the flanges so that a space is defined between the stud and inner walls of the holes. A wedge... | 11/29/1994 |
| 5281066 | Segmented rod used for bonding two adjacent planar surfaces A method and apparatus for patching a hole in a panel without the use of a bonding agent or the aid of a welding apparatus. The method encompasses the placing of a patch within the confines of a hole. The patch is of a configuration which is within a clos... | 01/25/1994 |
| 5242445 | Split eyebolt for spinal rod A one piece item of stainless steel or other material suitable for permanent placement in the human body, forms the eye and shaft of an eyebolt by a combination of two shell-like portions, each having threaded bosses at distal ends thereof. The distal end... | 09/07/1993 |
| 5228818 | Fastener system for male and female threaded members A fastener system is providing having a male threaded member and a female threaded member with arrangements for achieving a locking connection between the parts to prevent relative rotation of the parts due to vibration. In an embodiment of the invention,... | 07/20/1993 |
| 5129388 | Device for supporting the spinal column A device for supporting a spinal column includes a screw having a U-shaped head, a joining element received within the head, a threaded bolt received within and threadedly engaging the head, and a cap covering an upper portion of the head. The head is int... | 07/14/1992 |
| 5090857 | Metallic threaded composite fastener A metallic threaded composite fastener, particularly suited for high temperature applications, has a body member made of high temperature-resistant composite material with a ceramic coating. The body member has a head portion configured to be installed in... | 02/25/1992 |
| 5073072 | Threaded split-bushing fastener assembly The threaded split-bushing fastener assembly has been designed for high temperature applications such as on hypersonic vehicles. The fastener assembly consists of a pin (with a standard countersunk head at one end and a tapered end at the other end), a tu... | 12/17/1991 |
| 5061134 | Divided bolt fastening device A fastener comprised of longitudinally divided bolt pieces (1,2,3) inserted into the hole, with trailing tips of the bolt pieces connected to a string (5), which is pulled out of a hole into which the bolt pieces are inserted so that the divided bolt piec... | 10/29/1991 |
| 5055056 | Ground wire connector An electrical connector adapted for connecting a ground wire to a service wire employs a clamp arm having a bifurcated head which clamps the ground wire. A nut mounted to a threaded shaft of the arm is tightened to force a sleeve to engage exterior surfac... | 10/08/1991 |
| 4975014 | High temperature low thermal expansion fastener A high-temperature, low-thermal expansion fastener for joining low thermal expansion refractory materials includes a pin with an inset portion on the shank of the pin that forms a head-facing shoulder, at least one shell insert which is seatable about the... | 12/04/1990 |
| 4845317 | Threaded insulator An insulator and wire mounting structure for supporting an electrically conductive fence wire from a metal fence post having a generally T-shaped cross-section. The insulator and wire supporting member has a pair of leg portions which are deformable relat... | 07/04/1989 |
| 4828443 | Eye bolt and method of manufacture The invention is an eye bolt structure and method of forming including bending a straight rod to include a straight shank portion, a loop portion and a straight rod end portion, the rod end portion lying adjacent the shank portion; then placing at least o... | 05/09/1989 |
| 4822225 | Screw for easily engaging the internal thread of a tapped hole The screwed shank (2) of a screw (1) is divided into two halves (4, 5) by a slot (3) running centrally in longitudinal direction and two chamfers (7) running vertically to the slot (3) are provided on both long sides of the screwed shank (2). The screwed ... | 04/18/1989 |
| 4813109 | Clip for fastening the ends of an elongate flexible band A clip comprising a body portion and securing means; said body portion being provided with at least one protrusion extending outwardly therefrom, and including at least one slot in at least one side thereof, at or adjacent said at least one protrusion, sa... | 03/21/1989 |
| 4798501 | Flexible rock anchor The flexible earth anchor useful for reinforcing underground structures such as a traverse is insertable in a hole in the ground to a certain depth and is attachable with the walls of the hole at its end facing the deepest portion of the hole or along its... | 01/17/1989 |
| 4784530 | Roof bolt apparatus The apparatus for anchoring a bolt includes an elongated bolt with a threaded portion located at a preselected position along the length of the bolt and spaced from the end portions of the bolt. An expansion shell assembly is positioned on the bolt with t... | 11/15/1988 |
| 4655723 | Child's activity ring toy A child's activity ring toy having first and second concentric ring portions, at least a part of at least one of the ring portions having thread segments along a multiple screw path with adjacent thread segments of adjacent screw paths overlapping in the ... | 04/07/1987 |
| 4488843 | Reusable one piece drive fastener A fastener is disclosed which is installed quickly and easily the first time by simply driving a frangible drive pin. The drive pin has ribs which cooperate with grooves in an axially extending bore in the fastener body to limit distortion of the fastener... | 12/18/1984 |
| 4478546 | Quick insertion and release bolt system A quick release bolt system utilizes two bolt sections. Each bolt section approximates one half of a bolt and has a half head portion and half threaded portion. Each section has an inner face which are parallel to and approach one another when the two bol... | 10/23/1984 |
| 4468149 | Assembly for anchoring an element to a slab An assembly for anchoring an element to a concrete slab (10) through means of a bore (22) extending through the slab and a bolt (26) removably received within the bore (22). The bolt (26) has a laterally extending foot (28) engageable with one side of the... | 08/28/1984 |
| 4379650 | Anchoring means for wall braces The foot plates of a tilt-up wall bracing system are anchored to a concrete floor slab by means which positively clamp the floor slab to the foot plates. The clamping means include a throughbore in the floor slab, a threaded and L-shaped anchor bolt, a we... | 04/12/1983 |
| 4104951 | Fixing stud for joining building or constructional elements A stud which, by being inserted through holes in structural or like building members, joins them together, includes two parts which can be moved relatively over contacting, planar side surfaces, at least one of the parts having lateral facing portions for... | 08/08/1978 |
| 4056912 | Method for releasing tilt-up panel hoisting member Tilt-up building wall panels are fitted with inserts which are cast into the panel. The inserts have threaded openings into which a collapsible split bolt is inserted. The bolt is spread apart with a longitudinally inserted wedge to secure its exterior th... | 11/08/1977 |
| 3943817 | Split bolt The split bolt comprises plural bolt segments having threaded outer surfaces which are brought radially together to render the bolt insertable into a complementary threaded recess, and spaced radially apart to cause the bolt threads to become engaged when... | 03/16/1976 |
