Abstract: A method for producing a threaded nut of a threaded drive, includes the following steps: a sleeve is produced from a steel sheet which is suitable for case-hardening; a rolling profile for a rolling contact with rolling bodies is molded on the inner circumference of the sleeve, said rolling profile being wound in a helical manner about the longitudinal axis of the sleeve; a flange is welded to the end face of the sleeve; the flange is provided with a welding surface on the flange end face facing away from the sleeve for welding to a machine part; the welding surface initially has a diffusion-inhibiting layer which inhibits the penetration of carbon; and the welding surface is exposed by removing the diffusion-inhibiting layer after case-hardening the threaded nut. A threaded nut produced according to the method can be part of a ball screw drive, the flange of which can be welded to a provided machine part by the user.

Abstract: A drilling bolt-and-nut assembly for attaching rigid panels, including a drilling bolt and a grooved nut. The drilling bolt includes a cylindrical screw-thread section, an external thread-diameter, and an internal thread-diameter; a drill-bit section; and a thread-less section interconnecting the screw-thread section, the drill-bit section. The grooved nut has a through cylindrical opening formed at the center of the nut, wherein the cylindrical wall of the cylindrical opening of the grooved nut is threaded with threads that are operatively compatible with the threads of the drilling bolt. The drill-bit section includes at least two cutting-blades, wherein the at least two cutting-blades are spaced apart. At least two grooves are formed in the wall of the through cylindrical opening, wherein the grooves are spaced apart similar to the peripheral distance between the cutting-blades of the drill bit-section.

Abstract: A winged cable mount that secures a cable or a cable bundle positioned on the mount. The winged cable mount includes a round base and side supports extending from the base. Each side support includes a main member and a tab positioned at a distal end of the main member. The side supports wrap around the cable or cable bundle positioned on the mount. The round base includes aligned slots positioned opposite each other for receiving a cable tie to secure the cable or cable bundle positioned on the mount.

Abstract: An oval-shaped T-nut that is received within an oval receiver machined into the upholstered panel to be secured to a chair frame is provided. The oval shape of the T-nut prevents the oval-shaped T-nut from rotating when a screw is driven into the T-nut. Further, this eliminates the necessity of stapling the traditional plastic T-nut to the chair panel, thus saving time and money associated with the manufacture of an upholstered metal frame chair. In addition to the oval-shaped T-nut described herein, a novel U-shaped screw catch is also provided which cooperates with a barbed nylon or plastic push rivet to secure the upholstered chair panels to one another. Further, a method for connecting upholstered seat back panels to the tabs positioned on the back frame of a chair, utilizing the T-nut and the screw catch is disclosed.

Abstract: The present disclosure provides a spacer for a shipping bolt. In one embodiment, the spacer includes a head, an elongated body, and an insert. The head and the elongated body each comprise a durometer greater than the insert. Together, the head and the elongated body provide a structure within which the insert is disposed to absorb forces otherwise imposed upon a bolt inserted through the spacer. The disclosure also provides a method of using the spacer to secure a component of an appliance. In a second embodiment, the spacer is of a unitary construction and manufactured of an elastomeric material. In the second embodiment the spacer is configured to absorb forces imposed upon a bolt inserted therethrough, using a combination of specially designed ribs and webs interconnecting concentric cylinders that partially define the opening.

Abstract: A clamp-action ratchet fastening nut assembly comprising, a body having a proximal end and a distal end, a hollow cap connected to the body, an annular collar within the cap and defining an interior camming surface, a plurality of threaded axial nut sections disposed in the hollow cap in engagement with the annular collar, and configured for movement between a radially closed position in which the plurality of threaded axial nut sections form an axial bore having a continuous internal thread, and a radially open position, and a spring positioned in the hollow cap and configured to bias the plurality of threaded axial nut sections proximally against the interior camming surface of the annular collar, whereby the plurality of threaded axial nut sections is urged from the radially open position to the radially closed position.

Abstract: A casement lock (1) includes an actuation lug (2); a locking shaft (3) coupled to the actuation lug (2) and having two opposite flattened axial regions (5) at a free end (4) of the locking shaft and a circumferential profiling (6) between the flattened axial regions (5); and a cage (8) supporting a closure element (7) configured to be placed with an opening (9) on the free end (4) of the locking shaft (3) and fixed to the locking shaft (3). A locking element (14) is provided on the cage (8), which, in a locking position, secures the cage (8) on the locking shaft (3) against tilting. In a release position of the locking element (14), the cage (8) can be tilted relative to the locking shaft (3) and is moveable in an axial direction along the locking shaft (3) only in a state when tilted relative to the locking shaft (3).

Abstract: A syringe includes a syringe cylinder and a distal end designed as a syringe cone. The distal end comprises a region set back in a radial direction such that an edge extending in the circumferential direction is formed. The edge has a first chamfer, and comprises an attachment piece having a clamping region. Holding forces are introduced from the attachment piece via the clamping region in the region of the syringe set back in a radial direction. The clamping region comprises a distal edge. The the distal edge of the clamping region has a second chamfer.

Abstract: The invention relates to a device for fastening a component to a carrier component having a bolt in particular a threaded or grooved bolt or a bolt at least sectionally spherical, comprising an at least sectionally elastic fastening part and a housing part accommodating the fastening part in a mounted state, the housing part and the fastening part having, in the mounted state, an introduction section for introducing the bolt in an introduction direction, at least one latching element for latching on the bolt being provided on an inner wall, bounding the introduction section, of the fastening part, and the fastening part and the housing part each having at least one force transmission surface, the force transmission surfaces facing one another in the mounted state and transmitting at least one tensile force that occurs during operation, the force transmission surfaces each being located in planes which are inclined or curved with respect to the introduction direction of the introduction section such that a ten

Abstract: A grooved slot is provided in a bone fixation device for osteosynthesis that permits adjustment of the bone fixation device relative to the bone, before the bone fixation device is finally fixed to the bone. The grooves are formed on the two longitudinally extending, facing walls of the slot, with the grooves on a first side wall of the slot having a vertical displacement of exactly one-half pitch relative to the grooves on the second, opposite side wall of the slot.

Abstract: A fuel tank according to technology disclosed herein includes: a fuel tank main body that is made from resin, that stores fuel internally, and that is formed with a protruding attachment pin at a tank inner side; an in-built component installed inside the fuel tank main body; a fixed attachment portion that is provided at the in-built component, and that is fixed to the fuel tank main body; and a movable attachment portion that is provided at the in-built component, that is formed with a connecting portion formed with an attachment hole into which the attachment pin is inserted and anchored, and that is formed with a deformable portion having an end portion in the attachment hole abutting or facing the attachment pin, wherein the deformable portion is capable of expanding and contracting along an expansion and contraction direction of the fuel tank main body.

Abstract: A threaded portion with thread groove formed and non-threaded portion without the thread groove are prepared on rod-like portion of stud, and non-threaded diameter-increasing portion whose outer diameter is increasing toward thread ridge of screw portion with thread groove formed and non-threaded small diameter portion connecting to small diameter region of non-threaded diameter-increasing portion and having same diameter as that of small diameter region are prepared at threaded portion side edge of non-threaded portion. A holder is provided with stud-receiving hole which receives the rod-like portion, a first locking portion and a second locking portion. The second locking portion is engaged with the non-threaded small diameter portion in a fixedly holding status, and the second locking portion is engaged with the non-threaded diameter-increasing portion in a status that the holder is moved for a predetermined amount in a direction away from the fixedly holding status.

Abstract: A spine stabilization system includes at least one bone anchor assembly, the bone anchor assembly including a bone engaging member and a receiver member, wherein the receiver member includes a connecting member cavity, and an elongated connecting member inserted into the connecting member cavity and connected to the receiver member, wherein the connecting member comprises locking features configured to secure the connecting member to the receiver member without the use of a fixation screw extending through a top portion of the receiver member.

Abstract: The present teachings provide an implant. The implant can include an implant body partially defining at least one threaded aperture. The implant can also include a bone fastener including a threaded portion threadably engaged with the at least one threaded aperture. The threaded aperture can circumferentially surround no more than 180° of the bone fastener.

Abstract: A mounting feature for a cable tie is provided in which the mounting feature has at least one divided retention component. The center-most edges of the at least one divided retention component contact a mating article on the edge of the mating article, such as the threaded portion, decreasing the amount of fastening force required to affix the mounting feature of the cable tie to a mating article while not compromising the optimal amount of required extraction force. A method for affixing the mounting feature to a mating article is also provided.

Abstract: A nut for fastening a first workpiece defining a through recess to a second workpiece including a bolt projecting in an axial direction through the recess, and the nut comprises an axially extending shank and flange at a first end of the shank, and the nut defines a bore extending axially through the flange and into the shank and further defines an opening to the bore proximate to the first end of the shank, and the nut further includes an elastic holding section radially outward of the opening, and the nut partially defines a depression radially outward of the holding section, so that the holding section can flex radially outward into the depression when the nut is jammed onto the bolt.

Abstract: In a clip that copes with pitches of a plurality of types of screw grooves, force to support the engaged screw members is increased at low cost. Each elastic locking piece extends from the first side to the second side opposite to the first side, in the direction of the axis of the screw member such that its leading end approaches the screw member within the insertion hole of a tubular body part. Each elastic locking piece is elastically deformable such that its leading end is separated from the screw member. Each locking piece has at its leading end a locking claw that engages with the screw groove of the screw member. A claw leading-edge of the locking claw has a straight section extending straight on one side in a circumferential direction around the axis, and a curved section extending curvedly along the circumferential direction on the other side.

Abstract: In a clip that copes with pitches of a plurality of types of screw grooves, force to support the engaged screw members is increased at low cost. The clip includes opposite elastic locking pieces. Each elastic locking piece extends from a first side to a second side opposite to the first side, in the direction of the axis of the screw member such that its leading end approaches the screw member within the insertion hole of a tubular body part. Each elastic locking piece is elastically deformable such that its leading end is separated from the screw member. Each locking piece has at its leading end a locking claw that engages with the screw groove of the screw member. The first side of the locking claw has a straight section extending straight, and the second side opposite to the first side has a helical section extending helically along the groove.

Abstract: A quick assembly and disassembly mechanism includes a nut seat and a slide block which is movably coupled to the nut seat. The nut seat includes at least two cantilever lock blocks therein. The inner wall of each lock block has threads thereon. The inner diameter encircled by the lock blocks matches with a bolt of a faucet. In normal state, the nut seat can be moved freely on the bolt. When the nut seat is moved to a counter top to compress the slide block, the slide block will push the lock blocks to mesh with the bolt tightly, so that the faucet can be mounted and dismounted quickly.

Abstract: A mount having a post and a push nut. The post includes a longitudinal axis. The push nut is connected to the post. The push nut includes an opening for receiving the post along the longitudinal axis and at least one locking wedge rotatably connected to the push nut and extending into the opening. The at least one locking wedge allows the push nut to slide along the longitudinal axis of the post in a first direction and prevents the push nut from sliding along the longitudinal axis of the post in a second direction opposite the first direction.

Abstract: A system for coupling a trim component to a body component having a bearing surface. The system has a threaded weld fastener coupled to the body. The trim piece has an exterior bearing surface and an interior bearing surface. Defined within the trim piece is an aperture having a lead-in portion. A rotatable fastener having a nut body with a cylindrical body portion is floatably positioned within the aperture. The body defines a fastener holding aperture and defines a side slot.

Abstract: The system (100) of fastening elements formed by a coupling rod (2) and a nut comprises a support structure or blade (30) provided with resilient tongues. The tongues will bend upward during a rotationless translation of the coupling rod along the nut. After further tightening by means of rotation in an opposite longitudinal direction the tongues are pressed flat against a stop surface (93) of the base body. As a result the support structure (30) fixes itself into the base body (9).

Abstract: In a spring nut (10) for attachment onto a stud (12), having a substantially oblong seat for the stud (12), the seat having an axial insertion opening (32) for the stud (12) and a holding section for the stud (12), provision is made that the spring nut (10) completely encloses the seat on a front wall (28) opposite the insertion opening (32) and in the peripheral direction.

Abstract: A round rod guide (10) for mounting a stud bolt attached to a container side includes a plastic body, the stud bolt shaft (30) of the stud bolt being insertable onto and attachable to the plastic body. The plastic body has in its interior a channel (35) for receiving the stud bolt shaft (30) and on its free end, a receiving opening (19) for insertion of a round rod. The plastic body is formed as two parts with a first, cup-shaped base part (11) and with a second insertion part (16) insertable into the cup-shaped base part (11) in at least two different insertion positions that are rotated relative to one another at a predetermined angle.

Abstract: A female thread member capable of preventing seizing caused by inclined insertion, and being smoothly fastened from any directions in which a bolt is inserted, and a fastening member using the female thread member. A non-thread portion is formed on an inner peripheral surface of a female thread member body having a female thread for a length corresponding to at least one pitch from an end surface on a bolt-inserting side, and a projection which comes into contact with a flank surface of a male thread of an inserted bolt is formed on a line extending from a helical line of the female thread. The female thread member is used in combination with the bolt having no incomplete thread portion, and there is no adverse possibility of seizing regardless of any directions in which the bolt is inserted.

Abstract: A self-drilling bolt and nut assembly includes a nut which has a window to permit visual inspection of the fastener thread upon engagement with the nut. The nut also includes a protective cap or receives a protective cap so that upon threadably engaging the fastener with the nut, the drill tip of the fastener is automatically received in the cap. The nut also has at one end a plurality of projections to enhance the locking engagement. The self-drilling bolt may have an integral washer and employ a clamping plate engageable against the washer.

Abstract: A device for fastening a component to a fastening stud includes a holding member and a holding disk for contacting first and second surfaces of the component, respectively. The holding member and holding disk are preliminarily connected with one another, without the fastening stud, each in the state contacting the component. The holding disk has fastening projections and at least one elastic member which prohibits the fastening projections from contacting the second surface of the component, so that the device is moveable with regard to the component in a direction perpendicular to the moving direction of the fastening stud through a through hole of the holding disk. The elastic member is elastically deformed upon mounting of the fastening stud through the through holes of the holding disk and the component, such that the fastening projections contact the second surface of the component.

Abstract: A component part mounting structure for mounting a cup holder base (2) on a front surface (1a) of a side lining (1) of a vehicle by using a self-tapping screw (3), wherein the side lining (1) comprises a base portion (15) projecting from a rear surface (1b) of the side lining (1) and defining a space (16) in cooperation with the rear surface (1b), and a boss portion (17) projecting from the base portion and defining a through hole (18) opening out toward the space (16), characterized by that the cup holder base (2) is provided with a fastening seat (6) abutting the front surface (1a) of the side lining (1), and the self-tapping screw (3) is configured to be passed through the fastening seat (6) and side lining (1) from the side of the cup holder base (2), and engaged by the through hole (18) of the boss portion (17) at a free end thereof.

Abstract: A thread-producing nut for a screwed connection, wherein a core hole which is provided with thread turns is designed for positively locking, frictionally locking and releasable connection to an, in particular, cylindrical bolt or pin, in such a way that the thread turns have completely formed thread turns in certain sections when viewed in the circumferential direction and that free spaces with thread turns which are formed incompletely in terms of their height are provided between the completely formed sections of the thread turns. Furthermore, a blank for manufacturing the nut and a screwed connection composed of such a nut and a bolt are disclosed herein.

Abstract: The invention provides for a retainer for stabilizing a threaded member. The retainer may include a base portion having an opening and an outer perimeter lying in a first plane, the opening having a plurality of elongated sections each extending toward the outer perimeter so as to define in the base portion one or more arms. Each of the aims may have a head section having at least one groove, the head sections being located in a second plane which is parallel to and spaced apart from the first plane. The elongated sections may be symmetrically arranged about an axis. The grooves may be arranged to define at least a portion of a helix. The outer perimeter of the retainer may be circular.

Abstract: A locking and unlocking nut structure contains a body including a through hole and a semi-circular recess, and the semi-circular recess having a starting segment and a stopping segment, the body further including a diameter-decreased screw section; a slidable block including a C-shaped cutout, and the C-shaped cutout including an engaging hook extending outward from a lower end thereof, the slidable block including first threads, while the slidable block is fixed on the starting segment, a distance from the first threads to an inner wall of the through hole is larger than an outer diameter of the screw rod (tube); while the slidable block is fixed on the stopping segment, a distance from the first threads to the diameter-decreased screw section is equal to the outer diameter of the screw rod (tube); the screw rod (tube) including second threads to match with the diameter-decreased screw section and the first threads.

Abstract: A pivoting hub nut, or hub clamp, for manually securing an object to a rotatable shaft provides a first hub defining a first radial slot and a second hub pivotally attached to the first hub defining a second radial slot. A first handle extends from the first hub, and a second handle extends from the second hub. A latch is disposed on the clamp for selectively locking the clamp in a closed position. An axial bore is defined along the centerline, or hub axis of rotation, of the clamp. The clamp includes a threaded region facing the axial bore for engaging corresponding threads on the shaft. Upon installation of the clamp onto the shaft, the clamp can be rotated relative to the shaft in a closed position for adjusting the longitudinal, or axial, placement of the clamp on the shaft, and the clamp can be tightened against a wheel rim or other object for securing the object on the shaft.

Abstract: A screw post is detachably screwed with a self-tapping screw. The screw post includes a post body and a rib structure. The post body has an approximately triangular hollow structure formed therein. The approximately triangular hollow structure has three arc-shaped sides. The rib structure protrudes from an outer surface of the post body corresponding to at least one of the three arc-shaped sides in an axially-extending manner. The self-tapping screw is screwed into the approximately triangular hollow structure.

Abstract: A fastener includes a body defining a central aperture and an insertion opening in communication with the central aperture. The body includes a threaded inner surface defining at least a portion of the central aperture and extending approximately 180 degrees about the central aperture. The body further defines a transverse aperture extending radially inwardly from an outer peripheral surface of the body in general alignment with the transverse aperture and in communication with the central aperture. An engagement screw is selectively engagable within the transverse aperture of the body and is movable relative to the body between a retracted position, wherein the engagement screw is disposed within the transverse aperture, and an extended position, wherein the engagement screw extends radially inwardly towards the threaded inner surface of the body for engaging a threaded rod within the central aperture of the body between the threaded inner surface and the engagement screw.

Abstract: The description concerns a fastening element for a bolt provided with a thread, in particular a stud bolt, comprising a block which is made of plastic, provided with a threaded bore hole and can be screwed onto the bolt. The fastening element is characterized in that the threaded bore hole is open laterally by means of an axial slot in such a way that the block can also be fitted on the threaded bolt laterally.

Abstract: A rapid-engaging, positive locking machine screw mechanism comprises a screw having a head and a body wherein the body includes male threads formed thereon wherein the threaded body has at least one longitudinal segment devoid of threads. A work piece defines a hole having female threads formed therein for receiving the screw and further defines in a portion of the hole, at least one longitudinally extending segment devoid of female threads. The longitudinal screw segment devoid of male threads and the longitudinal hole segment devoid of female threads are arranged such that the screw body is longitudinally received in the hole without engagement of the male screw threads with the female work piece threads. The rapid-engaging, positive locking thread configuration can be applied to a variety of mechanical interfaces. Additionally, thread locking configurations, such as a boos-depression interface, a notch and ridge, etc. can be incorporated to secure the male and female threads.

Abstract: The invention provides for a retainer for stabilizing a threaded member. The retainer may include a base portion having an opening and an outer perimeter lying in a first plane, the opening having a plurality of elongated sections each extending toward the outer perimeter so as to define in the base portion one or more arms. Each of the aims may have a head section having at least one groove, the head sections being located in a second plane which is parallel to and spaced apart from the first plane. The elongated sections may be symmetrically arranged about an axis. The grooves may be arranged to define at least a portion of a helix. The outer perimeter of the retainer may be circular.

Abstract: An engagement unit for insertion on and engagement with a threaded bolt (33) is provided with an inner part (1) and with an outer part (2) that can be slid onto the inner part (1). The inner part (1) and the outer part (2) are configured with torque receiving means (8, 9, 23, 24) for transmitting a torque applied to the outer part (2) to the inner part (1). After the inner part (1) has been slid onto a threaded bolt (33) in a pre-assembly arrangement in which latching means configured on spring arms of the inner part (1) and cooperating with the threaded bolt (33) are able to slide along the threaded bolt (33), the engagement unit according to the invention can thus be inserted onto the threaded bolt (33) and, once the outer part (2) has been slid onto the inner part (1), can be tightened in the manner of a screw.

Abstract: A connector assembly configured to secure at least one component to a structure may include a base, at least one member configured to receive and retain a portion of a component, and a stud retainer extending from the base. The stud retainer may include first and second engaging legs within a retaining chamber. The first and second engaging legs are configured to automatically align the stud retainer with respect to a stud that passes into the retaining chamber.

Abstract: An extension cordset assembly includes a receptacle and a sealing gasket. The receptacle includes a receptacle main body, a receptacle connecting interface and first and second spade mating holes extending into the receptacle main body from the receptacle connecting interface. The receptacle is configured to mate with a plug having a standard spade configuration. The sealing gasket is positioned on the receptacle connecting interface and includes first and second spade openings aligned with the first and second spade mating holes, respectively. The sealing gasket is configured to provide a water-resistant seal between the receptacle and the plug.

Abstract: A fastening device for fixing a member to be fixed to a fixing member through a screw, the fastening device includes: a top plate portion; and a pair of leg piece portions respectively suspended from the two side edges of the top plate portion, wherein the top plate portion includes two pairs of first elastic securing pieces disposed opposed to each other for defining a first screw hole formed in the screw, and two pairs of regulating pieces respectively interposed between the first elastic securing pieces for defining a first guide hole having a diameter larger than the first screw hole.

Abstract: A torque nut assembly includes a multiple-piece nut body and a ring-shaped compression assembly. The compression assembly circumferentially engages the nut body to capture its multiple pieces therein. The compression assembly can position the nut body to define a threaded axial passage or to allow radial expansion of the multiple pieces such that the threaded axial passage is segmented in correspondence with the nut body's multiple pieces. At least one structure is provided to lock the compression assembly when the threaded axial passage is defined.

Abstract: A threaded connection (10) has an improved ability to engage and tighten screw threads (16) when they are contaminated with gritty materials. Adding axial grooves (18) to the male (14) and/or female (12) halves of a screw thread (16) enables the tightening action to expel gritty contaminants from the mesh of the threads by providing an “escape path” for the contaminants.

Abstract: An object of the present invention is to provide a duplex threaded body having a right-handed thread and a left-handed thread on the circumferential surface of a single solid member. In addition, an object of the present invention is to provide a single-nut or double-nut type internally-threaded body that demonstrates a locking effect even at an intermediate position without substantially loosening by using a combination of a duplex externally-threaded body and one or more internally-threaded bodies. Moreover, an object of the present invention is to provide a screw structure in which a pair of internally-threaded bodies can only be removed by destruction once they are mutually coupled when screwed onto a duplex externally-threaded body, thereby making it possible to impart tamper-proof characteristics in addition to a locking effect.

Abstract: A thread cage retainer includes a base having an opening to allow for the passage of a threaded fastener. The retainer also has a plurality of arcuately shaped tabs that extend from the base around the opening a circumferential extent to form a channel for receiving the threaded fastener. Each tab includes at least one engaging member that projects inwardly from a portion of the circumferential extent of each tab.

Abstract: A profile rail has a face and is formed with a longitudinally extending channel open at the face and with longitudinally extending stabilizing formations on the face flanking the channel. The channel has confronting ribbed flanks. A stabilizing element has a face engageable with the face of the rail and formed with a pair of stabilizing formations fittable with the stabilizing formations of the rail and with a throughgoing hole between the respective stabilizing formations and aligned with the channel when the element stabilizing formations are fitted with the rail stabilizing formations. A screw fittable through the hole has a screwthread engageable with the flanks of the channel so that the screw can clamp the element to the face of the rail.

Abstract: An industrial hanger is provided for coupling a device to a truss. The hanger apparatus includes a first member having a first support surface, a second opposed support surface, and a threaded portion extending between the first and second support surfaces. The hanger apparatus also includes a second member having a first support surface, a second opposed support surface, and a threaded portion extending between the second member first and second support surfaces. The first member is coupled to the second member such that the first member threaded portion and the second member threaded portions define a substantially circular threaded opening that is sized to receive a threaded rod therein.

Abstract: The invention provides for a retainer for stabilizing a threaded member. The retainer may include a base portion having an opening and an outer perimeter lying in a first plane, the opening having a plurality of elongated sections each extending toward the outer perimeter so as to define in the base portion one or more arms. Each of the aims may have a head section having at least one groove, the head sections being located in a second plane which is parallel to and spaced apart from the first plane. The elongated sections may be symmetrically arranged about an axis. The grooves may be arranged to define at least a portion of a helix. The outer perimeter of the retainer may be circular.

Abstract: A laminated nut includes a conical spring, top disc and a conical spring, bottom disc stacked upon each other defining a laminated stack having a common central bore and an outer wrench engaging surface. A generally cylindrical tension sleeve is located in the central bore. The tension sleeve has an outer wall shaped to substantially conform with the shape of the central bore and an inner wall which is threaded. The tension sleeve has a first end and a second end, the first end of the tension sleeve includes an outwardly extending upper flange and the second end includes an outwardly extending bottom flange, the upper flange and the bottom flange are shaped and dimensioned to retain the top disc and the bottom disc in a stacked relation with the tension sleeve fixedly secured to the laminated stack, such that the conical spring discs and tension sleeve rotate together as a unit.

Abstract: An electrical tool includes a main housing, an operative portion integrally connected to, and forming part of, the main housing, and a plug integrally connected to, and forming part of, the main housing. The plug comprising a base or main body, a plug connecting interface and first and second spades extending from the plug connecting interface. The first and second spades are in a standard configuration.