Abstract: A grabber assembly including a carriage, a pin, a first adapter, a second adapter, and a sleeve. The pin extends through a bushing of a grabber arm. The bushing is pivotally coupled with the pin. The first adapter is coupled with the carriage and configured to receive a first end of the pin. The second adapter is coupled with the carriage and configured to receive a second end of the pin. The sleeve extends co-cylindrically with the pin, the sleeve positioned within a central bore of the bushing between the bushing and the pin.

Abstract: A re-useable, easily removable tool pin features a non-stick outer surface with a harder inner core configured to be gripped by a removal tool for extraction of the tool pin, without damage, from a mold and from composite plies that may have cured in contact with the tool pin. The tool pin prevents insertion into the mold such that the extractor tool is not attachable to the tool pin. A system includes the tool pin, a mold for forming a molded part, the mold having holes for insertion of tool pins, and an extractor tool adapted to grip the tool pin for removal from the mold and molded part. The extractor tool can be ergonomically designed for easy removal of the tool pin by hand. Such tool pins are adapted for production of parts from composite materials in many industries, including aerospace, automotive, transportation, agricultural, and energy.

Abstract: A compression limiter is configured for incorporation within a vehicle component. The compression limiter includes a tubular bushing extending from a first end to a second end. The tubular bushing includes an exterior surface and an interior surface extending from the first end to the second end to define an aperture through the tubular bushing. The compression limiter also includes one or more detents formed in at least one of the first end of the bushing and/or the second end of the bushing. In some examples, the compression limiter includes a first pair of the detents formed in the first end and a second pair of the detents formed in the second end.

Abstract: A connecting device between components of a piece of furniture includes a casing capable of being received in a first seat and in a second seat obtained respectively in a first and in a second component of the piece of furniture, and including a first and a second radially expandable region to engage respectively the first and the second component in correspondence of the first and the second seat, a tie rod received inside the casing with axial sliding power towards and from a locking position, and including a first segment in enlarged section and a second segment in enlarged section susceptible of engagement respectively with the first and the second region to determine a radial expansion of the casing when the rod is moved in the locking position, and an eccentric element arranged to engage a head of the tie rod and axially move it towards the locking position when the eccentric element rotates around its main axis.

Abstract: A portable engine-generator is described having an engine and a generator coupled to the engine. An engine mount has a mounting plate coupled to the engine and also includes a frame. An outer housing surrounds the engine, generator and frame. At least one handle is coupled to the outer housing. The housing is defined in three sections; a lower section, a middle section and an upper section. The three housing sections are coupled to the frame.

Abstract: The present disclosure generally relates to a device for positioning and immobilizing at least two adjacent vertebrae. In particular, in one or more embodiments, the present disclosure relates to spinous process fusion devices that distract and immobilize the spinous processes of adjacent vertebrae.

Abstract: A starting block lock having a clamp, top and bottom locking wedges, and a rod is provided. The clamp includes top and bottom portions each having an inside surface and a body between the top and bottom portions. The body includes a cylindrical bore extending on a longitudinal axis between the top and bottom portions. The top and bottom locking wedges each include an outer surface, an inner surface, a side surface, and an aperture extending between and through the outer and inner surfaces. At least a portion of each of the side surfaces slidably contact the inside surface of the clamp. The rod extends through the apertures and the cylindrical bore and is configured rotate in a first direction to linearly displace the top and bottom locking wedges toward each other thereby providing an outward force against the inside surfaces of the clamp to expand the clamp.

Abstract: A fastener assembly includes a first component including a first fastener opening that has a cylindrical portion and a conical portion. A second component includes a second fastener opening. A fastener for extending through the first fastener opening and the second fastener opening and a clinch nut for attaching to the fastener is included.

Abstract: A retention system is provided for use in connecting a replaceable tool to a work implement. The retention system may have a generally cylindrical pin with a first hollow end, and a second hollow end located opposite the first hollow end. The retention system may also have a first fastener configured to engage the first hollow end and cause the first hollow end to flare radially outward. The retention system may further have a second fastener configured to engage the second hollow end and cause the second hollow end to flare radially outward.

Abstract: A breaker pick retainer system for a breaker includes a holder that defines a pick aperture and a pin aperture, and a breaker pick received in the pick aperture of the holder and including a pin receiving feature aligned with the pin aperture. The breaker pick retainer system including a pin received within the pin aperture of the holder and seated in the pin receiving feature of the breaker pick for maintaining the breaker pick within the holder. The breaker pick retainer system further including a resilient plug received within the pin aperture for sealing the pin aperture. The plug inhibits removal of the pin from the pin aperture.

Abstract: The present disclosure generally relates to a device for positioning and immobilizing at least two adjacent vertebrae. In particular, in one or more embodiments, the present disclosure relates to spinous process fusion devices that distract and immobilize the spinous processes of adjacent vertebrae.

Abstract: Electricity bolt for electrical contact of a printed circuit board with an electric conductor, with a basic body, wherein the basic body can be electrically contacted by a first section with the printed circuit board, and by a second section with the electric conductor, wherein the basic body at least in the area of the first section, by which the basic body is electrically conductively contactable with the printed circuit board, is designed as a hollow component, into which for the electrical contact with the printed circuit board a screw is so screwed that the first section is radially outwardly expandable by the screw.

Abstract: A lifting and leveling assembly configured to be embedded in a precast concrete slab for lifting a leveling a precast concrete slab includes a base plate, a threaded sleeve, an anchor plate, a thread protecting sleeve, a threaded lifting bolt and an end cap. Rotating the threaded lifting bolt in a first direction positions a bolt head on the threaded lifting bolt above a top surface of a precast concrete slab to accommodate the attachment of a lifting device. Rotating the threaded lifting bolt in a second direction positions the bolt head beneath the top surface of the concrete slab and causes the threaded shaft to exert a force on the base plate to level the precast concrete slab.

Abstract: Implementations of the present disclosure provide a fastener including a tip portion, a proximal portion, an advancement mechanism and an expandable member. The tip portion has a first surface. The proximal portion is configured for coupling to the tip portion and has a second surface. The mechanism advances the first surface toward the second surface. The expandable member includes a first end abutting the first surface of the tip portion and a second end abutting the second surface of the proximal portion. Advancement of the two surfaces toward each other advances the first end of the expandable member toward the second end of the expandable member. The expandable member is configured to expand in response to the advancement. At least one of the ends of the expandable member is a free end extending under and configured to rotate with respect to an abutting one of the first or second surfaces.

Abstract: A bicycle expander basically includes an expander body, an expanding structure and a positioning shoulder. The expander body has a cylindrical shape and being capable of varying an effective diameter thereof. The expanding structure is operatively connected to the expander body to vary the effective diameter of the expander body. The positioning shoulder extends from an axial end portion of the expander body, the positioning shoulder including an abutment protruding a radially outward direction with respect to the expander body.

Abstract: The improved installation tool for installing grommets in a hole in a panel having a countersink end includes an anvil having a convex surface for contacting the head of the grommet after the grommet is installed in the hole. A flaring die having a tapered tubular portion for inserting into the grommet is mounted on the open end there in and chamfered surface for deforming the end of the grommet so that it is deformed into the countersink. This is accomplished by a threaded rod that extends through a hole in the anvil, grommet and threadably engages internal threads in the die. Withdrawing of the rod causes the die to be moved against the grommet and flares the end of the grommet into the countersink and locks it in place.

Abstract: An apparatus for anchoring at least two graft ligaments within a longitudinal bone tunnel includes a longitudinal sleeve having at least two ligament-contacting surfaces located in lateral opposition to a sleeve inner lumen. The sleeve is configured for at least partial insertion into the bone tunnel with each graft ligament positioned laterally adjacent a different ligament-contacting surface and at least partially located between the bone tunnel and the sleeve. An actuating member has proximal and distal actuating member ends. An asymmetrically offset profile is defined by the sleeve and/or the actuating member. The asymmetrically offset profile has engagement thresholds. The actuating member is inserted into the sleeve to cause frictional engagement of each graft ligament with both the bone tunnel and at least one ligament-contacting surface, the frictional engagement of each graft ligament being temporally spaced apart from the frictional engagement of at least one other graft ligament.

Abstract: A blind fixation device for attaching an assembly of a pre-drilled member set that includes a rod defining a traction mandrel, a first bushing, and a second deformation brushing. The second deformation bushing is capable of deformation on an inaccessible side of the set of pre-drilled members between the head of the mandrel rod and the end portion of the first bushing. The first bushing is capable of bearing on the accessible side surface of the set of pre-drilled members to be assembled, and is capable of radial deformation so as to come in close contact with the drilling profile of at least one pre-drilled member when, upon assembly, the portion of the mandrel rod initially in the second bushing enters the first bushing.

Abstract: An apparatus for anchoring at least two graft ligaments within a longitudinal bone tunnel includes a longitudinal sleeve having at least two radially spaced ligament-contacting surfaces located in lateral opposition to a sleeve inner lumen. The sleeve is configured for at least partial insertion into the bone tunnel with each graft ligament positioned laterally adjacent a different ligament-contacting surface. The graft ligaments are at least partially located between the bone tunnel and the sleeve. An actuating member has longitudinally separated proximal and distal actuating member ends. An asymmetrically offset profile is defined by at least one of the sleeve and the actuating member. The asymmetrically offset profile has a plurality of longitudinally spaced engagement thresholds. The actuating member is inserted longitudinally into the sleeve to cause frictional engagement of each graft ligament with both the bone tunnel and at least one ligament-contacting surface.

Abstract: An anchor apparatus for insertion into a pre-formed hole in an object of interest for permanent embedment in the hole. The apparatus includes: a screw pair having: (i) a screw with a screw head and (ii) a nut threadly interconnected therebetween; an anchor with a distal part and a proximal part to be received and anchored in the hole, the anchor comprising at least two fixing petals extendable from the outer perimeter of the distal part of the anchor; and a pushing tubular member with a distal part and a proximal part, the distal part of said tubular member adapted to expand said fixing petals of the anchor.

Abstract: A radially expanding bolt assembly has a hollow element insertable into a hole of an object and having an inner surface with at least one inner surface portion which is tapered, an expanding element insertable in the hollow element and having an outer surface with at least one outer surface portion which is tapered and cooperates with the inner tapered surface portion of the hollow element, additional elements for displacing the expanding element in opposite axial directions for tightening and loosening the bolt assembly, and a washer positionable between the object and one of the additional elements at one of the axial ends, so that the one additional element displaces the expanding element in one axial direction and due to cooperation of the tapered surface portions expands the hollow element to clamp it in the hole of the object, while the other additional element displaces the expanding element in an opposite axial direction and the tapered surface portions disengage from one another so that the hollow el

Abstract: Described herein are various embodiments of a fastener anchor assembly for securing a fastener includes a base and a recess formed in the base. The recess has a substantially non-circular cross-sectional shape. The assembly further includes an insert positionable within the recess. The insert has a substantially non-circular cross-sectional shape corresponding with the non-circular cross-sectional shape of the recess. Additionally, the insert includes a fastener opening and at least one flexible portion. The flexible portion flexes to engage the recess as a fastener moves through the fastener opening.

Abstract: A w-base fastener includes multiple legs that compress towards a common member, to which the legs are attached, during the installation through an opening of a structure. These legs then engage the backside of the structure to which the fastener is mounted to hold the fastener in a mounted position within the opening. The fastener also includes a head or similar structure that permits items to be mounted to the fastener. The w-base fastener described herein also includes opposite flex arm features for thermal expansion for assembling moldings to a panel. Embodiments of the invention are used to provide for the ease of assembly, proper fit, and functional retention of moldings to structural panels, while also providing for the thermal expansion of the moldings. Aspects of the invention may be advantageously employed on automotive body side moldings including doors, rockers, wheel flares and other areas.

Abstract: An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. A wedge member is mounted within each expansible end portion for longitudinal sliding movement between a disengaged position and an engaged position wherein the expansible end portions are expanded relative to the disengaged position. An actuator is located centrally between the expansible end portions for pivotal movement about an actuator axis which lies perpendicularly to a longitudinal axis of the fastener. The fastener permits a pair of panels to be mounted with one end of one panel abutted against the other panel wherein the actuator is accessible from a recessed installation aperture on an inner face of one of the panels. The resulting joint is secure while being hidden from view using a one-piece fastener.

Abstract: In a support device for supporting an article, particularly in a motor vehicle, wherein the support device comprises a support arm having at one end thereof a clamping element, the clamping element includes a cylindrical bushing of an elastic material for reception in a cylindrical opening and means are provided for expanding the bushing into firm engagement with the wall of the opening for securely supporting the support arm in the cylindrical opening.

Abstract: An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. A wedge member is mounted within each expansible end portion for longitudinal sliding movement between a disengaged position and an engaged position wherein the expansible end portions are expanded relative to the disengaged position. An actuator is located centrally between the expansible end portions for pivotal movement about an actuator axis which lies perpendicularly to a longitudinal axis of the fastener. The fastener permits a pair of panels to be mounted with one end of one panel abutted against the other panel wherein the actuator is accessible from a recessed installation aperture on an inner face of one of the panels. The resulting joint is secure while being hidden from view using a one-piece fastener.

Abstract: Mounting pin arrangements are useful for connecting a first and a second structure together. When the pin is inserted in a mounting structure the mounting pin arrangement needs to expand to seal the arrangement to prevent dust and dirt from entering the mounting arrangement. The subject mounting pin arrangement includes a sleeve assembly that has a plurality of sleeve segments and an elastomeric is positioned and connected to adjacent segments and includes an end cap on the end portion of the sleeve. The sleeve includes a tapered bore therethrough. A pair of inserts are positioned in the bore and include tapers that interact with the taper in the bore of the sleeve to expand the sleeve to seal the mounting arrangement. The arrangement of components provides an expandable pin arrangement that will prevent dust or dirt from entering the mounting arrangement to prolong the life of the various components.

Abstract: A Non-Protrusive Expandable Clamping Device fastens together two bodies when conventional fastening devices cannot be used because of the unique space constraints and/or the shape of the joining surfaces of the bodies. The expandable clamping device, which has two tenons on opposite sides of its housing, can be slid into the bodies that have corresponding mortises on their joining surfaces to accommodate the tenons. The clamping device connects the bodies in one linear plane using motion in an orthogonal plane. When the clamping process is completed, facilitated by the rotational motion of a threaded bolt within the cavity inside the housing, what results is a joint that is strong in all directions as well as flush and airtight between the surfaces when an appropriate gasket or O-ring is utilized. Such a joint ensures proper alignment of the bodies while providing fixity in six degrees of freedom.

Abstract: A multi-component dowel for a removable anchor comprises an outer dowel sleeve and an expander with a collar gripping over an end of the dowel sleeve. The expander is movable within the dowel sleeve. There is at least one dowel sleeve ring bead arranged on an inner side of the dowel sleeve in an axial direction and tapering with respect to a symmetry axis in the direction of a plug-in opening. There is at least one expander ring bead formed on an outer wall of the expander. The expander ring bead has a pitch opposing the pitch of the dowel sleeve ring bead. There is at least one clamping element located in a free space between the dowel sleeve ring based and the expander ring bead.

Abstract: An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. A wedge member is mounted within each expansible end portion for longitudinal sliding movement between a disengaged position and an engaged position wherein the expansible end portions are expanded relative to the disengaged position. An actuator is located centrally between the expansible end portions for pivotal movement about an actuator axis which lies perpendicularly to a longitudinal axis of the fastener. The fastener permits a pair of panels to be mounted with one end of one panel abutted against the other panel wherein the actuator is accessible from a recessed installation aperture on an inner face of one of the panels. The resulting joint is secure while being hidden from view using a one-piece fastener.

Abstract: An expansion anchor installable in a pre-drilled hole formed in a base material. The expansion anchor includes a bolt having a shaft with a head portion, an opposing end portion, and a threaded portion. A shoulder is disposed on the shaft intermediate the head portion and the end portion thereof, and an expandable sleeve is disposed about the shaft between the shoulder and the end portion of the shaft. The expandable sleeve has an expandable upper sleeve portion and an expandable lower sleeve portion wherein the expandable lower sleeve portion is expandable outwardly before the expandable upper sleeve portion is expandable outwardly. A nut having a substantially conical surface is fixed rotationally in the pre-drilled hole and is engagable with the threaded portion of the shaft. The substantially conical surface of the nut is engageable with the expandable lower sleeve portion so as to expand the lower sleeve portion until the nut is axially fixes in the pre-drilled hole.

Abstract: A toilet seat attachment structure is used for attaching a toilet seat unit on a toilet bowl. The structure includes a bolt with an axis portion, an abutting member disposed around the axis portion, an expanding member situated adjacent to the abutting member, and a nut member situated adjacent to the expanding member and engaging the axis portion. The abutting member has a shaft portion with a through-hole, and a flange formed on an upper periphery of the shaft portion. The axis portion passes through the abutting member and the expanding member, and engages the nut member. A friction member is disposed outside the expanding member. When the bolt is rotated, the nut member ascends on the axis portion, so that the expanding member gradually expands the diameter. Accordingly, the frictional member is enlarged to frictionally engage with an attachment hole of a toilet bowl.

Abstract: An apparatus (10) for controlling the transmission of rotational forces between first (14) and second (66) members through an axially shiftable friction element (56) that rotates in unison with the first member (14) and can be selectively brought into engagement with the second member (66) is provided with a forced air cooling system that functions to cool the interface between the friction element (56) and the second member (66), as well as a first bearing (54) allowing relative rotation between the friction element (56) and an actuation member (38). A flow of cooling air is developed during operation of the apparatus by fins (172,174) formed about an outer radial surface portion of the friction element (56) and the air is caused to flow through enlarged lobe cut-out sections (156) in the second member (66) along the interface and through holes (164) formed in the friction element (56) which are arranged opposite the first bearing (54).

Abstract: A stator vane assembly for a gas turbine engine includes a plurality of stator vane segments and fasteners. Each stator vane segment includes an inner radial platform, an outer radial platform, at least one airfoil extending between said platforms, and a first mounting flange extending radially outward from said outer radial platform. Each first mounting flange is aligned with a second mounting flange extending radially inward from an outer case surrounding the stator vane assembly. Each fastener includes a bolt extending through the first and second mounting flanges, a nut for threaded engagement with the bolt, and apparatus for preventing vibration of the fasteners.

Abstract: An expansion anchor installable in a pre-drilled hole formed in a base material. The expansion anchor includes a bolt having a shaft with a head portion, an opposing end portion, and a threaded portion. A shoulder is disposed on the shaft intermediate the head portion and the end portion thereof, and an expandable sleeve is disposed about the shaft between the shoulder and the end portion of the shaft. The expandable sleeve has an expandable upper sleeve portion and an expandable lower sleeve portion wherein the expandable lower sleeve portion is expandable outwardly before the expandable upper sleeve portion is expandable outwardly. A nut having a substantially conical surface is fixed rotationally in the pre-drilled hole and is engagable with the threaded portion of the shaft. The substantially conical surface of the nut is engageable with the expandable lower sleeve portion so as to expand the lower sleeve portion until the nut is axially fixed in the pre-drilled hole.

Abstract: A forward and reverse expanding type expansion screw has a bolt, a nut, a forward expanding plug, a retaining tapered ring, and a backward expanding plug. By inserting the bolt through the forward expanding plug, the retaining tapered ring and the reverse expanding plug in order, the expansion screw can be inserted into a wall hole, the bolt can be driven to lock to the nut, the reverse expanding plug first expanding in the reverse direction by a pushing effect caused by the retaining tapered ring, and then the forward expanding plug is pushed forward and expanded in the forward direction. By expanding in opposite directions a cross expanding and squeezing effect is achieved to provide a very stable securing effect. A two-way sleeve and connecting sleeves may be further connected to provide fixed points for the expansion of the plugs and to extend the length of the expansion screw to meet different requirements.

Abstract: A vehicle (10) has a steering gear (26) connected with a frame (12) to turn steerable vehicle wheels (14). A body (16) of the vehicle (10) is resiliently mounted on the frame (12). A steering wheel (28) is connected with the body (16) of the vehicle and is rotatable to actuate the steering gear (26). An improved shaft assembly (38) is utilized to transmit force between the steering gear (26) and the steering wheel (28). The shaft assembly (38) is connected with the steering wheel (28) through an upper universal joint (40). The shaft assembly (38) is connected with the steering gear (26) through a lower universal joint (42). The shaft assembly (38) includes a variable length portion (46) having upper and lower sections (48 and 52) which are disposed in a telescopic relationship. A connector assembly (54) interconnects an extension section (50) with the variable length portion (46) of a shaft assembly (38) when the upper and lower universal joints (40 and 42) are in a predetermined relationship.

Abstract: The fastener, which is typically made of thermoformed or similar plastic, includes a shank portion at least two parallel fingers which further include a proximal end and a distal end. The proximal end of the fingers is integral with a base portion and the distal end of the fingers is integral with bridge elements which attach to a wedge element. A driving pin is attached to the base portion and is aligned with a gap formed between the at least two parallel fingers. The parallel fingers further include lateral serrated portions and radially oriented stabilizing fins. Upon impact to the driving pin when the fastener is placed into a blind threaded aperture, the wedge portion forces apart the distal ends of the parallel fingers, while the driving pin forces apart the proximal ends of the parallel fingers thereby driving the serrated portions of the fingers against the threads of the blind threaded aperture.

Abstract: A fastener assembly for permanently securing together a pair of mating panels having aligned apertures therethrough including a bolt having an enlarged head at one end, a threaded shaft portion at the other end and an integral main body portion interconnecting the head and the shaft portion, a split ring bushing encircling the bolt, a first nut threadably mounted on the bolt having deformable protrusions thereon and a second nut threadably mounted on first nut also having first deformable protrusions thereon, both sets of protrusions being deformable at a predetermined load thereon into the threads of the bolt and the first nut respectively, the first nut being forced against the bushing when threaded on the bolt and the second nut abutting against an underside of one of the panels when threaded on the first nut thereby providing a mechanical lock between the deformed protrusions and the mating threads permanently locking the panels together.

Abstract: A fastener for securing two members together through an aligned bore in the two members, the fastener comprising a longitudinally extending body having at least one opening adjacent each of respective ends thereof, the body having a central bore hole, a threaded shaft concentrically disposed in the central bore hole and having opposite threads at each end, with a rotation applying member at an accessible end, a nut provided on each of the opposite threads in threaded engagement with the respective thread, at least one longitudinally extending engaging finger attached to each of the nuts and disposed adjacent a respective one of the openings, the fingers being adapted to extend through the respective opening when the shaft is turned in a first direction to cause the nuts to move toward each other, thereby causing the fingers to engage, when the openings at each end are disposed in the aligned bore adjacent different ones of said two members to be secured together, with respective ones of said two members, ther

Abstract: A system for fastening a dowel to a wooden element includes a drilling assembly for forming a blind hole in the wooden element which includes a first portion which is cylindrical and a second portion which tapers outwardly in frusto conical shape from the lower end of the first portion. A dowel having initially a cylindrical shape is inserted into the blind hole and then expanded outwardly into the frusto conical portion. The expansion can be carried out by a tapered plug which is forced into the end of the dowel, by a wedge member which is forced into slits in the end of the dowel or by expansion of the dowel itself from an initial compressed position by absorption of moisture from an adhesive.

Abstract: An anchor and method for securement into a bore in a medium. The anchor has a first generally hollow cylindrical section having a first plurality of spaced longitudinally directed fingers and a second generally hollow cylindrical section having a second plurality of spaced longitudinally directed fingers. The first and second sections are arranged opposed to each other with the fingers of each section being interdigitated with the fingers of the other section. The first and second sections are adapted to receive a compression force moving the two sections relatively toward each other, whereby at least some of the fingers move outwardly so as to secure the two sections in the bore in the medium.

Abstract: A printed circuit board wedge assembly having a center section riveted to a printed circuit board. The center section is designed to allow the wedge operating shaft running longitudinally through the wedge assembly to be positioned into the center section opening with no obstructions. A biasing spring is placed through a slot and moved in place along grooves cut into the center section. The spring captivates the operating shaft assembly to the center section and enables all the wedge sections to be aligned.

Abstract: An expansible bone plug assembly comprises a first member closed by a substantially planar surface at one end thereof, the member having a cylindrical outer surface. A central bore extends through the planar surface, and a plurality of longitudinally directed radially extendable fingers form part of the first member. A second member is closed by a hemispherical surface at one end thereof, and has a cylindrical outer surface. A plurality of longitudinally directed radially extendable fingers form part of the second member. The second member fingers are interdigitated with the first member fingers, and bear against the first member and the first member fingers bear against the second member. An axially extensible and retractable compression member extends through the bore and is engaged with the second member for causing the first and second members to be drawn together when the compression member is retracted, so that the fingers of the first and second members are thereby caused to extend radially outwardly.

Abstract: An improved wedgelock assembly for retaining printed wiring boards in a device. The snap-together wedgelock assembly is made up of a screw assembly and a main wedge. The main wedge having fingers for retaining the screw assembly in place.

Abstract: This invention relates to one-strike wedging type blank nails for use in rigidly joining, in a simple operation, wooden articles in manufacture of furniture, or ceramic articles (such as roofing or other tiles) or metallic articles in the building and construction industry, for example. Such a blank nail includes a main body in the form of a hollow pipe, and a pair of expander elements attached to opposite ends of the main body. The main body defines split slots extending axially at the opposite ends thereof to form wedging portions. Each of the expander elements includes a contained portion fitted into the main body, a large diameter portion having a larger diameter than the contained portion, and a flare portion formed between and continuous steplessly with the contained portion and large diameter portion. The large diameter portion defines an outward end surface acting as an input surface for receiving a compressive force applied in a direction to move the expander elements toward each other.

Abstract: An expansion anchor received within a predrilled bore for mounting a platelike panel to a portion of stratum in which the bore is drilled and including a bolt having a head on a lower end thereof, an upper portion, distal the head, defining a set of right hand threads thereon and a lower portion, intermediate the upper portion and the head, defining a set of left hand threads thereon. A destructible thrust nut having at least one groove therein is threadably connected to the lower portion and moves upwardly thereon when the rod is rotated in a clockwise direction. A cutting member, having an annular base supported by the thrust nut for sliding movement along the bolt and a plurality of cutting fingers connected to the base in divergent relation to the bolt, is urged upwardly by the thrust nut when the rod is rotated in the predetermined direction.

Abstract: An improved wedgelock assembly for retaining printed wiring boards in a device. The snap-together wedgelock assembly is made up of a screw assembly and a main wedge. The main wedge having fingers for retaining the screw assembly in place.

Abstract: A connecting element for a facing panel with a hole having a small depth and an undercut, includes an expanding cone insertable into the hole undercut, and thread shaft extending from the expanding cone. A roof-shaped bent expansible element is displaceable over the expanding cone for securing the connecting element in the facing panel hole. The roof-shaped bent expansible element is formed as at least approximately oval metal ring having opposite bent portions abutting the expanding cone.

Abstract: A lifting and leveling assembly configured to be embedded in a precast concrete slab for lifting a leveling a precast concrete slab includes a base plate, a threaded sleeve, an anchor plate, a thread protecting sleeve, a threaded lifting bolt and an end cap. Rotating the threaded lifting bolt in a first direction positions a bolt head on the threaded lifting bolt above a top surface of a precast concrete slab to accommodate the attachment of a lifting device. Rotating the threaded lifting bolt in a second direction positions the bolt head beneath the top surface of the concrete slab and causes the threaded shaft to exert a force on the base plate to level the precast concrete slab.