Abstract: A fastener assembly on a removable vehicle part. A removable vehicle part is provided to be fastened. A fastener is inserted through a portion of the removable vehicle part to be fastened. A receiver is formed having engagement catches. The fastener is removably connected to the receiver to form a fastener assembly. The engagement catches of the receiver of the fastener assembly are inserted into a vehicle.

Abstract: An electronic device includes a panel, a main body, a button, and a fastener. The panel defines a hole. The main body defines a quadrate through hole. The button resists against the panel, opposite to the main body. The fastener includes an elastic head at a first end and a block at an opposite second end. The elastic head passes through the hole of the panel to be fixed to the button, the block passes through the quadrate through hole of the main body. A panel fixture for the electronic device is provided as well.

Abstract: The disclosure relates to a fastening device with a stem which is engaged on a first end by a cross-dowel with a transverse threaded aperture and on a second end by a cylinder with a set-screw. The second end of the stem includes an aperture surrounded by an oval-shaped longitudinally elongated countersunk region. This aperture can capture the set-screw within a small range of longitudinal positions, thereby allowing for fine adjustments to be made to align the sidewalls of adjacent post segments joined by the fastening device.

Abstract: A quick connect assembly for mounting a bicycle rack to a vehicle bumper includes a mounting bracket securely connectable to the bumper and a pivoting arm integrally connected to the bicycle rack and mountable to the mounting bracket. The mounting bracket has a horizontal base member and a vertical wall extending from the rear edge of the base member. Along each lateral edge of the base member is a vertical side wall having through apertures for receiving portions of the pivoting arm. A latch plate is centrally located on the mounting bracket between the two side walls. The latch plate has notches formed therein for receiving a latch pin of the pivoting arm to hold the bicycle rack in the vertically upward position or the horizontal working position. An arcuate cam formation separates the notches. The pivoting arm has spaced side plates each having a side extending peg for disposition in the apertures of the side walls.

Abstract: An eccentric fastening device is provided. The eccentric fastening device includes a first threaded fastener, a base and a rotary lug providing a non-fastened pre-assembled position. The base includes a top, a bottom, a stem and a hole, where the stem axially extends from the bottom of the base, and the hole axially extends from the top through the stem of the base. The rotary lug is releasably retained in the hole of the base by the first threaded fastener. The rotary lug includes a cylindrical portion having a thread and a head, wherein the head is offset from the cylindrical portion. The cylindrical portion is substantially axially concentric with the hole of the base, allowing the head to be eccentrically rotated on or off of the stem, whereby a selective structure may be variably clamped and releasably retained between said head and said base. An aircraft having an eccentric fastening device is also provided. A method of installing the same is also provided.

Abstract: This attaching structure includes: a first part having a slot; a second part having an attaching hole; and a clip for connecting those parts, the clip including a first flange portion, a shank portion, a second flange portion for coming into elastic abutment against the back side of the slot, a third flange portion, and a leg portion to be retained in the attaching hole, wherein: the shank portion has sliding portions of a large arcuate shape, and stopper portions of a small arcuate shape; protrusions are disposed on the first part in the periphery of the side portions close to the stopper portions when the first flange portion intersects at a right angle with respect to the slot; and the protrusions engage with the first flange portion to stop the turning motion thereby to prevent the clip from coming out from the first part.

Abstract: A captive fastener generally comprising a receptacle, a bayonet assembly, and a locking assembly for locking the bayonet assembly to the receptacle. The receptacle extends along a longitudinal axis and includes a pair of parallel extending spiral raceways formed in the inner surface of a central opening that extends therethrough, and a keyway formed adjacent its terminus. The bayonet assembly includes a pair of bayonets that are adapted to ride in the raceways and a key positioned at the end of a plunger and is adapted to engage the keyway thereby locking the bayonet assembly in the receptacle. The locking assembly includes the plunger that when manipulated by a tool either engages or disengages the key from the keyway.

Abstract: A fastener that includes a shaft and a sleeve is provided. The shaft extends along a longitudinal axis that passes through a central portion, e.g., the centroid of a head of the shaft. The sleeve is wrapped partially around the shaft. The sleeve has a gap that separates first and second circumferential extents thereof, a first thickness adjacent the first circumferential extent, and a second thickness between the second circumferential extent and the first circumferential extent. The first thickness is less than the second thickness. The sleeve has a first rotational position relative to the shaft and a second rotational position relative to the shaft different form the first rotational position. The longitudinal axis is in substantially the same location in both the first and second rotational positions.

Abstract: An elastic fastener for fixing a heat sink on a circuit board includes a fixing element, a cylinder and an elastic element. The fixing element has a head and a fixing section. One side of the fixing section is formed into a protruding ring. The cylinder is made of electrically non-conductive materials and it has a hollow hole for allowing the fixing element to pass through. The cylinder extends inwardly to form a locking ring for engagingly connecting with the protruding ring. The elastic fastener further includes an elastic element. Both ends of the elastic element are elastically compressed between the head and the top surface of the cylinder. With the above arrangement, the electrically non-conductive property of the cylinder can prevent the circuit board and the heat sink from contacting to generate a short circuit and in turn cause a breakdown of the circuit board.

Abstract: An eccentric fastening device is provided. The eccentric fastening device includes a first threaded fastener, a base and a rotary lug providing a non-fastened pre-assembled position. The base includes a top, a bottom, a stem and a hole, where the stem axially extends from the bottom of the base, and the hole axially extends from the top through the stem of the base. The rotary lug is releasably retained in the hole of the base by the first threaded fastener. The rotary lug includes a cylindrical portion having a thread and a head, wherein the head is offset from the cylindrical portion. The cylindrical portion is substantially axially concentric with the hole of the base, allowing the head to be eccentrically rotated on or off of the stem, whereby a selective structure may be variably clamped and releasably retained between said head and said base. An aircraft having an eccentric fastening device is also provided. A method of installing the same is also provided.

Abstract: The invention relates to a device (10, 30) which is used to produce a screw connection between a first component (14, 60) and at least one additional component (15, 70), by means of a fixing screw (12) or a fixing groove (50, 55) and a corresponding fixing element (16, 73). Said device (10, 30) comprises a rotationally mounted tool (11, 31), wherein the fixing screw (12) and/or the fixing groove (50, 55) is maintained in a manner that prevents it from rotating and in an axially fixed manner and wherein the head (20) of the fixing screw (12) and/or the fixing groove (50, 55) is maintained at a distance (S) in relation to the first component (14, 60) as long as both components (14, 60; 15, 70) are joined together. According to the invention, at least one energy accumulator (18, 48) is provided between the tool (11, 31) and the first component (14, 60).

Abstract: A connecting element for separably connecting a first component to a second component in a vibration damping fashion and, optionally, for compensating tolerances between the first and the second component in a compensation direction, wherein the connecting element comprises a damping ring with an inner sleeve that can be fixed in the first component, as well as a spring element with an oblong hole arranged therein, and wherein a retaining bolt can be snapped between two spring surfaces of the spring element essentially parallel to a snap-in direction. The inner sleeve comprises an insert which comprises either a cylindrical bore or an oblong hole. Alternatively, the connecting element can be respectively realized for producing connections between the components with or without tolerance compensation by selecting the appropriate insert that comprises either a cylindrical bore or an oblong hole.

Abstract: A small twisting type lock/stop (7) that when placed into an awning accessory groove (16) and twisted a ¼ turn will lock in place. Any accessories placed in this groove can be adjusted to their desired position, then locked into place with the accessory stop (7). This will prevent any unnecessary adjustments or damage to the accessories caused by the elements or human error. This can be made of many light weight materials, making it easy for anyone to use.

Abstract: A receptacle for a fastener which is inserted into a receptacle receiving member. The receptacle is insertable and rotatable in a hole in the receptacle receiving member and includes at least one arm extending from a fastener receiving member. The arm is arranged to engage with a first side of the receptacle receiving member on insertion of the fastener receiving member into the receptacle receiving member.

Abstract: An attachment device for coupling one or more restrained members to a frame. In at least one embodiment, the attachment device may be configured to attach one or more turbine combustor liners to a carrier. The attachment device may include a body rotatable about an axis of rotation and including one or more arms for grasping an edge of at least one restrained member. A fastener may be coupled to the body for coupling the body to a frame. The attachment device may also include a retainer for preventing the fastener, which may be a threaded bolt, from becoming disengaged from the attachment device and traveling downstream in a turbine. An alignment device may be included for facilitating rotation of the body of the attachment device and engagement the arms with edges of retrained members. The alignment device may include an alignment indicator indicating a position of the arms.

Abstract: Apparatus comprising and methods relating to a quick disconnect pin having a locking member, a first body segment and a second body segment wherein the first and second body segments are rotatably coupled to each other, and relative rotation between the body segments about an axis causes translation of the locking member relative to the axis of rotation.

Abstract: A fastener nut for hydroformed parts comprises a nut body for receiving a threaded fastener and a locking ring with depending fingers that is received on the nut body. The nut body is adapted to pierce and then form a collar thereabout in a hydroformed part while the part remains in a die cavity under hydroforming pressure. The nut body and the collar formed thereby have a configuration that prevents turning of the locking ring while permitting turning of the nut body relative to the locking ring on full insertion of the nut in the collar, and a cam surface on the nut body that on partial turning of the nut body then forces the locking ring into locking engagement with the collar to thereby attach the fastener nut to the hydroformed part.

Abstract: A fastener apparatus is disclosed that features projecting locking members that extend and retract when a central drive shaft is rotated. The exterior of the connector has a body that is partially threaded to receive a nut so that two structures (eg. flanges, panels, plates, beams, etc.) can be pulled together by tightening the bolt when the locking members are in the extended position. In one embodiment, the shaft can be an eyebolt.

Abstract: A fixing element of plastic is provided which includes a foot part for insertion into an oblong hole of a carrier plate. The foot part includes of a head corresponding to the edge of the oblong hole and of a shaft adapted to the width of the oblong hole. The fixing element can be locked in the oblong hole after the insertion of the head by a quarter turn under elastic deformation of the shaft. The shaft includes a middle strut connecting the head to the fixing element. The strut has the width of the oblong hole. A shank is formed on each of the two edges of the middle strut at a right angle and in opposite directions. The shank is elastically bent towards the middle strut during the screwing in of the shaft through the edge of the oblong hole and after a quarter turn returns to its original position due to the elastic return force of the plastic and prevents a rotation in the opposite direction.

Abstract: A toggle bolt type connector has projecting locking members that extend and retract when a central drive shaft is rotated. The exterior of the connector has a body that is partially threaded to receive a nut so that two structures (eg. flanges, panels, plates, beams, etc.) can be pulled together by tightening the bolt when the locking members are in the extended position.

Abstract: A fastening system (1) comprises a rear grip part (5) for introduction into a mounting opening (4) of an elongated mounting rail (2) in a first position and for gripping behind the mounting projections (6.1, 6.2) in a second position and a stop (3) for frontal external loading of the mounting rail (2). The stop (3) is connected to the rear grip part (5) by means of a threaded bolt (9). In addition, on the fastening system (1) a system is provided for providing a relative rotary movement between the stop (3) and the rear grip part (5) about the axis of the bolt (9). The system is configured as a transmission system for transforming a translatory movement of the bolt (9) relative to the stop (3) into a rotary movement of the rear grip part (5) relative to the stop (3).

Abstract: An alignment pin or fastener includes a radially eccentric part such that when the fastener is tightened, the eccentric part shifts radially to simultaneously align the holes of two plates in a radial direction and clamp the two plates together in an axial direction. The bi-directional fastener includes two heads at opposite ends of a shaft, wherein the two plates become sandwiched and clamped between the two heads. The shaft and the two heads remain fixed relative to each other, so turning one head turns the other. This allows the fastener to be tightened even when only one of the heads is accessible.

Abstract: A fastener assembly including a base consisting of a pair of motherboard snaps on a first end and a hollow shaft on a second end, the motherboard snaps to be inserted through an aperture of a motherboard. The hollow shaft is inserted through an aperture of a heat sink clip. The base further includes a pair of grooves on an exterior of the shaft. The assembly further including a cap consisting of a hollow interior, an integrated post attached to a base of the interior, and a pair of cantilever snaps. The cap is fitted over the exterior surface of the hollow shaft of the base to secure the clip between the base and the cap. The integrated post of the cap to be inserted into the hollow shaft of the base to deflect the motherboard snaps outward on an opposite side of the motherboard aperture to secure the assembly with the motherboard. The cantilever snaps to be positioned in the grooves of the shaft of the base to secure the cap with the base.

Abstract: The present invention comprises a fastener including a rigid fastener body formed of two sections attached together and shaped so as to be insertable into a hole in a mat. The body being formed so that the fastener body is not rotatable when fitted into the hole. A flange extends at the head of the body. The fastener body can be used to secure mats one to another by fitting within aligned holes of overlapping mats simultaneously. A rigid locking rod is fit within a longitudinal bore within the fastener body, the rod having an enlarged head section, a longitudinal shaft midbody section and a foot section. The rod is in contact with the bore, but can be rotated upon the application of torque to the rod relative to the body to position a flanged end of the locking rod to either be extended out to engage against the mat about the hole or to be recessed. The flanged end of the body and the extended flanged end of the rod lock the mats in together.

Abstract: A anti-tamper device with an inner shell having a body and an end. An outer shell is positioned to cover the end of the inner shell. The inner shell and the outer shell are axially and rotatably secured together such that the inner shell and the outer shell rotate independent of each other. A method of making the anti-tamper device includes selecting the inner shell, selecting the outer shell, and securing the inner shell to the outer shell such that the inner shell and the outer shell rotate independent of each other. An anti-tamper kit is provided an anti-tamper device and a key.

Abstract: A device in the form of a quarter-turn device for attaching together structural element. The device has an attachment element passing through a hole in a first structural element, such as a cover, with a shank, a head and a part profiled so as to engage with a retaining element arranged on the structural element. The head, which may be circular, with a curved upper face, has a diametrical slot having a longitudinal profile with a bottom curved in a circular arc, the center of which is located at some distance above the head. The longitudinal ends of the slot open out from the upper face of the head at two points offset radially inwards with respect to the periphery or circumference of the head.

Abstract: The invention is based on a machine tool receptacle with a slaving device (12, 14, 16, 300), by way of which an insert tool can be operatively connected to a drive shaft (54), wherein the insert tool is operatively connectable to the slaving device (14, 16, 300) via at least one detent element (24, 26, 302), supported movably counter to a spring element (20, 22), which detent element snaps into place in an operating position of the insert tool and fixes the insert tool by positive engagement. It is proposed that the insert tool is a circular saw blade (18, 32).

Abstract: An electronic housing system is provided which includes at least two, especially plate shaped, electronic housings which can be snapped onto a mounting rail. The housing system includes a locking system including at least two housing portions, namely a starter unit and an end unit, and a key element. The starter unit is constructed as a key receptacle and the end unit is constructed as a lock complementary to the key element. The two housing portions can be locked with one another by rotation of the key element in the end unit. The locking system further includes an intermediate housing portion for positioning between the starter unit and the end unit, whereby the intermediate portion has an intermediate end unit for interlocking with the end of the key element, and an intermediate starter unit.

Abstract: A detachable insert connection arrangement adapted to be connected to a retaining channel having a slot-like opening between two retaining edges and method of connecting a component to a retaining channel. The connection arrangement includes a holder having a push-in part that includes a locking element. The push-in part is capable of being pushed into the retaining channel. A rotation pin is coupled to the locking element. The locking element is at least partially rotatable in two directions. A spring biases the locking element towards a locking position such that when the locking element is arranged in the retaining channel, the locking element bridges the slot and engages an inside of the two retaining edges. The locking element is movable, upon movement of the rotation pin against a biasing force of the spring, to a non-locking position, whereby the push-in part can be removed from the retaining channel.

Abstract: A quarter turn fastener, for securing a plurality of members together, includes a blade member which has upturned corner portions defining sharp points for bitingly engaging the undersurface of the lowermost one of the plurality of members so as to prevent retrograde movement of the quarter turn fastener from the locked state back to the unlocked state. A quarter turn fastener assembly also comprises a stop member for engaging wall portions of another one of the members to be secured together such that rotation of the quarter turn fastener is limited to 90° arcuate extents either from the unlocked state to the locked state or from the locked state to the unlocked state.

Abstract: Fasteners, such as lock-pins, that in selected embodiments can be installed or removed from the near side of a blind installation. In one embodiment, the lock-pin includes a pin and a rotatable key. The pin includes a head portion, a shaft portion having a tip end, and a longitudinal axis of symmetry. A bore extends through the head portion and the shaft portion in a generally longitudinal direction non-colinear with the longitudinal axis of symmetry. In one aspect of this embodiment, the key includes a spring portion toward the head portion of the pin, a retainer portion toward the tip end of the pin, and an actuator rod portion extending therebetween rotatably disposed within the bore of the pin. When the key is rotated to an unlocked position, the retainer portion is disposed within the diameter of the shaft portion such that the pin can be inserted in, or retracted from, a hole only slightly larger in diameter than the shaft portion.

Abstract: The apparatus is a double quarter turn fastener which includes a first element with a head, a square seat, and prongs extending from inwardly adjacent to the sides of the seat outwardly so as to terminate in surfaces with hemispherically extending nubs. The double quarter turn fastener further includes a second element which engages the first element by detent elements or by a rotatable snap fit.

Abstract: A propeller attachment is disclosed including a body, the body including an anodic material, at least one projection projecting from the body, and a fastener coupled to the body. An anode is also disclosed including an annular body constructed from an anodic material, a fastener disposed centrally in the annular body, and at least one extension coupled to the annular body, the at least one extension is configured to allow for gripping of the anode. A fastener for coupling a propeller to a drive shaft of a lower unit is disclosed including a fastening portion configured to threadably engage the drive shaft and retain the propeller. The fastener further includes an anodic portion disposed around the fastening portion. The anodic portion is shaped to form at least one grip, and the anodic portion preferentially corrodes to prevent corrosion of the lower unit.

Abstract: The invention relates to a holding device for fixing a car body element to the structure of a motor vehicle. The inventive device is of the type that comprises a panel (10) formed by a sheet (11) which defines a support face that is adapted to co-operate with the car body element and which comprises means (14, 15) for locking to the car body element and frangible means (16) for releasing the car body element. Said device also comprises an element (30) for quarter-turn fixing in an opening in the structure which is used to hold the assembly formed by the panel (10) and the car body element.

Abstract: A blind hole panel nut has an elongated geometrical configuration. The nut is adapted to be inserted and mounted within a similarly shaped aperture defined within a support panel upon which a component is to be mounted. The nut has slots formed within opposite longitudinal end portions thereof and at mid-depth portions such that upper and lower nut disk portions are formed. The nut is rotated a predetermined angle from its initial insertion position with respect to the support panel aperture to its locked position upon the support panel. The slots physically accommodate side wall portions of the support panel which define the aperture. The upper and lower nut disk portions self-support the nut member upon the support panel. The nut member is also provided with a centrally located threaded aperture for receiving a threaded bolt fastener to form a blind hole panel nut member and bolt fastener assembly.

Abstract: A fastening device having a pin with an enlarged head and a central longitudinal bore to receive a rod having a head with a drive receiving recess and a footed keeper. The pin and rod have adjacent surfaces that aid in the prevention of turning relative to each other. In use, the pin, with the footed keeper in alignment, is inserted to aligned openings in overlapping maps used in roadways and a tool is used to turn the keeper a quarter turn to prevent the pin from coming out of the opening and securing the mat.

Abstract: A component attachment apparatus is used for attaching a component in a panel hole of a panel and is formed of a grommet to be inserted into the panel hole to be incapable of rotation, and a pin. The grommet includes an insertion hole, an open part extending outwardly to cross the insertion hole, and a meeting part formed at least one side of the open part along the insertion hole. The pin includes a head part larger than the insertion hole, and a leg part extending from the head part and inserted into the insertion hole of the grommet to be capable of rotation. The leg part has a first catch elastically projecting outward from an outer perimeter of the leg part to couple in the panel hole, and a second catch positioned at a tip of the leg part for preventing escape of the leg part from the insertion hole. When the pin with the leg part is inserted into the insertion hole, the first catch is positioned in the open part to engage the panel.

Abstract: A component attachment apparatus is used for attaching a component in a panel hole of a panel and is formed of a grommet to be inserted into the panel hole to be incapable of rotation, and a pin. The grommet includes an insertion hole, an open part extending outwardly to cross the insertion hole, and a meeting part formed at at least one side of the open part along the insertion hole. The pin includes a head part larger than the insertion hole, and a leg part extending from the head part and inserted into the insertion hole of the grommet to be capable of rotation. The leg part has a first catch elastically projecting outward from an outer perimeter of the leg part to couple in the panel hole, and a second catch positioned at a tip of the leg part for preventing escape of the leg part from the insertion hole. When the pin with the leg part is inserted into the insertion hole, the first catch is positioned in the open part to engage the panel.

Abstract: A fastener for fixing of a component to a body, such as a mounting surface or post, and which is designed to act as a one-piece component, comprises a head portion and a tail portion joined together by a longitudinally-extending body having a smaller cross-sectional area than both the head portion and the tail portion, and a deformable shoulder extending outwardly from the body to the tail portion or head portion, wherein the head portion has a greater cross-sectional area than the tail portion and the tail portion is non-circular in cross-section.

Abstract: A releasable latching apparatus and method of operation for securing a component of a computer system to a computer housing. The latching apparatus includes a casing and a shaft integrated with the casing such that the shaft is operable to move relative to the casing. Incorporated into the latching apparatus is a collet that extends along the shaft. The collet includes a locking portion, which can releasably secure a computer component to a housing by extending away from the shaft and capturing an element of the computer housing.

Abstract: A fixing device for rod body has a base body with a through hole formed in the center thereof, a grommet body arranged to be inserted into the through hole of the base body, and a pin body arranged to be pushed into an inner hole of the grommet body to expand the grommet body. The grommet body is interlinked with one side edge of the base body through a holder portion for holding the rod body, the pin body is interlinked with another side edge of the base body through a hinge portion, and a temporary fixing device is provided between the grommet body and the through hole of the base body. When the rod body is held by the holder portion and the grommet body is inserted into the through hole of the base body, the grommet body is temporarily fixed to the base body by the temporary fixing device.

Abstract: A vehicle, with a vehicle floor (1), with a belt tensioner (2) which includes a piston/cylinder unit, and with a device for fastening the cylinder (3) to the vehicle floor is characterized in that the vehicle floor (1) has a recess into which the cylinder (3) at least partially projects.

Abstract: A fastener for holding items to a perforated wall, including fasteners for consumer and commercial uses and in displaying collector items or goods for sale, or for supporting heavy items, or for supporting shelves, platforms, wire frames and similar items on a perforated wall, the item holder having a base member with a fastener insertable into the perforated wall. The fastener has a projection with an axis preferably, but not necessarily, perpendicular to the wall and an axially extending passageway, at least a portion of the projection being displaceable laterally of its axis. An elongated pin, plunger, or cam member is insertable into the passageway in an insertion direction and is effective to displace the projection portion laterally of the projection axis for mounting the item holder to the wall. The locking mechanism may be operated by movement of the pin, plunger, or cam member axially or radially of the fastener. No tools are needed to lock or release the item holder from the perforated wall.

Abstract: A locking mechanism of the barb type is provided for releasably locking two elements together. One of the elements has two pairs of opposed barbs or hook type resilient members. The barbs or hooks of each pair facing each other and being spaced apart. The other element has a pair of opposed, spaced ledges with downwardly facing surfaces engageable, in a locking relationship, with the barbs. An appropriate size opening is provided in the first element above the opposed pairs of barbs. The opening is a round central portion and a pair of side lobes coextensive with the opposed pairs of barbs. A separate key having a central rotational axis is provided. The key has a handle, an intermediate round portion connected to a working end portion, and generally oval in shape or cross section. The key is insertable in the opening such that the narrow part of the oval portion rests between the pairs of opposed barbs.

Abstract: An anchor for a mine roof bolt incorporates a single large rib at the top of a segmented shell. This single large rib is forced into the wall of the bore hole by the downward movement of an associated threaded camming nut during the first few revolutions of the roof bolt. The remainder of the outer surface is generally smooth or unserrated and provides a large bearing surface which is urged against the bore hole wall upon further rotation of the bolt. The camming nut has a specific shape flaring substantially near its upper end such that a relative large area of the bore hole wall below the rib is forced into compression. When fully engaged, the camming nut compresses a tightening washer of a metal alloy softer that the camming nut or the shell. The washer is forced into the threads of the nut thereby preventing loosening of the bolt.

Abstract: A latch for attaching a door to a frame, having a latch stud secured to the door having a threaded stud portion and a head portion, the head portion having a driver recess to facilitate axial rotation, and a stud receptacle secured to the frame having a threaded latch stud captivator that allows the latch stud to be longitudinally inserted into said latch stud captivation means and requires the latch stud to be manually axially rotated for removal from the threaded stud captivation means.

Abstract: A fastener for securing a first component to a second component in a device is disclosed. The fastener includes an elongated body and a head. The elongated body has a portion thereof having a cross section perpendicular to a longitudinal axis of the body. The portion of the body has an arcuate connecting surface on an external periphery thereof. The body cooperates with the first component to permit the portion of the body to freely pass through a first component opening in the first component. The body cooperates with the second component to permit the portion of the body to freely pass through a second component opening in the second component when the body is oriented in a first position with respect to the second component opening. The body cooperates with the second component to permit the arcuate connecting surface to engage with the second component when the body is oriented in a second position with respect to the second component opening. The head is attached to one end of the elongated body.

Abstract: The rivet includes a rivet body and a rivet shaft. The rivet shaft includes a shank with a head and an oval boss at opposite ends of the shank. The rivet body includes a circular flange with expandable arms extending therefrom with an oval aperture therebetween. The oval boss passes through the oval aperture and into cam grooves on the inner surface of the expandable arms. The oval boss, with its major axis positioned between the expandable arms, expands the arms apart into an installed position without the need for rotating the shaft subsequent to insertion. By turning the shaft one quarter turn after reaching the installed position, the minor axis of the oval boss is positioned between the expandable arms and the arms collapse to the uninstalled position.

Abstract: A guide blade for steam turbines, having in the blade interior a cavity (18) to which a vacuum is applied, is provided with an opening (3) for drawing off fluid in the region of the trailing blade edge (4). This opening is provided with a porous cover (7). The cover is dimensioned in such a way that, during operation, all its capillaries are filled with the fluid to be drawn off. It is anchored in the guide blade by a mechanical fastening element (20).The mechanical fastening element (20) is a spring-loaded quick-acting lock and comprises a bush (21) which fixes the cover in the blade opening (3) and projects with its cylindrical part (24) into the blade cavity (18), and a pin (25) which is axially displaceable in the interior of the bush, is equipped with spring means (26) and is provided at its end with a cap (28), which rests on the inner wall of the blade.

Abstract: An anchor for a mine roof bolt incorporates a single large rib at the top of a segmented shell. This single large rib is forced into the wall of the bore hole by the downward movement of an associated threaded camming nut during the first few revolutions of the roof bolt. The remainder of the outer surface is generally smooth or unserrated and provides a large bearing surface which is urged against the bore hole wall upon further rotation of the bolt. The camming nut has a specific shape flaring substantially near its upper end such that a relative large area of the bore hole wall below the rib is forced into compression.