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.

Abstract: An electrical connector includes an electrical plug having a threaded sleeve for screwing on a union nut of an electrical socket or for screwing into a stationary housing component of an electronic device. The threaded sleeve includes an external thread not having a threadless area. The union nut includes an internal thread configured for threaded engagement with the external thread of the plug. The internal thread has at least one threadless area.

Abstract: The present disclosure relates to a cable insertion (1) for connecting a cable (7) to a housing (10). The cable insertion (1) includes a connection device (2) having a cantilever-like element (14) having a mounting fixture (11) on the front end thereof for mounting a mating part (3) attached to a jacket (12) of the cable (7). A securing means (4) secures the fixture.

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 casing mechanism according to the present invention includes a first connector fixedly mounted on a first circuit board; a second connector fixedly mounted on a second circuit board; and a stress absorbing member which absorbs stresses produced in the first connector and the second connector when the first circuit board and the second circuit board are fastened to a casing with the first connector and the second connector interconnected.

Abstract: A mechanism for electrically connecting a first electronic component to a second electronic component includes an actuating member disposed in the first electronic component including a first connector half and an actuation screw having a head and a threaded end. The actuation screw is located in the first electronic component wherein rotation of the actuation screw urges the actuating member in a direction substantially perpendicular to an axis of the actuation screw thereby engaging the first connector half to a second connector half disposed in the second electronic component.

Abstract: In a preferred embodiment, this invention provides a simple, two-piece attachment that secures a power cable into an electric instrument (e.g., an electric guitar) in three steps. This invention ensures that the power cable from an amplifier stays securely inserted into a musical instrument such as a guitar, ensuring that the cable does not get pulled out of the instrument while it is being played.

Abstract: A system retains a connector connected to a device. The system includes a bail lock capable of connecting to the device, and a retainer capable of connecting to the bail lock. Rotation of the retainer moves the bail lock along the retainer until the connector securely attaches to the device.

Abstract: A plug connection between electrical and/or electronic components, in which electrical plug contacts of a plug which is arranged directly adjacently to one component are inserted into a socket which is arranged directly adjacently to the other component, with the components being interlocked with one another by a connection arrangement or being combined to form an assembly, and in which a separate plug connection securing arrangement which is independent of the connection arrangement of the components is provided to secure the plug connection against movements of the plug relative to the socket and vice versa.

Abstract: An RF connector assembly for mating to a mating connector securely attached to a device includes an inner conductor and an outer conductor coaxially aligned with one another. The inner and outer conductors define a mating interface for mating with the mating connector. The connector assembly also includes an outer body having a latching element configured to couple to the mating connector. The outer body also has a flange extending from the outer body and being configured to face the device when the coaxial connector assembly is mated with the mating connector. A fastener is separately provided from the outer body and engages the flange and the device to securely couple the outer body to the device. Optionally, the outer conductor may define the outer body. Alternatively, the outer body may be a plastic outer body that surrounds the outer conductor.

Abstract: An electrical connector (100), mounted on a printed circuit board (PCB) (1), includes an insulative housing (2), a load plate (3) shielding over the insulative housing, an elastic piece (51) attached to the load plate and a screwing element (50) cooperating with the elastic piece to lock with the load plate. The insulative housing has a plurality of electrical contacts (22) received therein. The elastic piece forms a base portion (510) and a flexible element (513, 513?) extending from the base portion. The flexible element has an indicating portion (5132, 5132?) received and moveable in the cutout in response to a downward movement of the load plate.

Abstract: A printed circuit board retaining device for use in securing a printed circuit board in an elongated slot of a rack provides an efficient design allowing for the utilization of an off-the-shelf screw in the device. A screw having a head located within a first end piece interconnects the first end piece, at least one elongated wedge, and a second end piece. A clutch assembly, also retained within the first end piece, is coupled to the screw by a tool configured to engage the screw head. The clutch assembly has a first and second clutch head. The second clutch head being attached to the opposite side of the tool configured to engage the screw head.

Abstract: The present invention is a positive locking mechanism for a universal serial bus (USB) connector which includes at least one mounting portion connected to the USB connector with the mounting portion having an aperture. The present invention also includes at least one flange in proximity to the mounting portion, with the flange having an aperture, as well as a fastener inserted through the aperture of the flange and the aperture of the mounting portion, where the fastener is used to connect the mounting portion to a structure.

Abstract: A sealed cover and plastic cartridge combination for electrical connections providing sealing, strain relief, mechanical retention, electrical insulation and flex relief similar to that achieved using an over-molded design includes a plastic cartridge of integral construction or composed of two or more parts, in either case housing one or more contacts of the connections.

Abstract: The invention relates to an electrical connector, comprising a connector part and a mating connector part which can be plugged together, and a coupling ring, carried by the connector part, for screwing the connector part with a threaded sleeve of the mating connector part. An outer thread of the threaded sleeve and a correspondingly configured inner thread of the coupling ring have at least one unthreaded section each in the direction of insertion. The respective unthreaded and threaded sections are configured and arranged in such a manner that the threaded sections of the coupling ring and the threaded sleeve can be inserted into the respective unthreaded section of the other connector part in order to plug the connector and mating connector together.

Abstract: An electrical connector assembly is disclosed. A rectangular plug and rectangular receptacle engage to provide a sealed and durable connector. The electrical connector assembly provides electric, fluid, data and other suitable information suitable for surgical, medical or other device applications. A latch is used to secure the plug with the receptacle and prevent the plug from being easily removed from the receptacle. The connector is substantially sealed to prevent fluid, dust particles and/or other matter from entering the components and damaging the connector assembly.

Abstract: A loose-proof connector includes a screwing sleeve and a connecting body. The screwing sleeve is an annular body and has a circular through hole. The inner wall of the circular through hole is provided with a plurality of recessed arcs that are arranged circumferentially. The connecting body is inserted into the circular through hole of the screwing sleeve. An annular band of the connecting body is provided with protruding arcs to correspond to each recessed arc. The protruding arcs oppose to the any one of the recessed arcs and thus are adjacent thereto. Via this arrangement, the protruding arcs can bounce between any two adjacent recessed arcs, thereby generating a locking effect, and thus the loose-proof effect can be surely achieved.

Abstract: The invention relates to a stack of wipes for use in a wipes dispenser. The stack includes a plurality of wipes, each wipe of the plurality of wipes formed from a portion of a common material. Each wipe includes a leading edge portion with a pleat-like zone located along at least a portion of a length of the leading edge portion and the pleat-like zone is distinct from an adjoining main portion of each wipe. Each wipe is folded upon itself at least once and each wipe is positioned relative to adjacent wipes to form the stack of wipes.

Abstract: A method and apparatus for the economical and reliable assembly of buss plates and components thereon, having a bushing positioned one one or more surfaces or therebetween. A novel spring-like retainer is employed to retain a plurality of bushings in proximity to a plurality of buss plate through holes to facilitate easy assembly. The use of the spring retainer eliminates the requirement for costly and potentially adverse pre-assembly soldering of the busing into position.

Abstract: An electrical connector includes a dielectric housing having a housing base configured to be mounted on a substrate and an upper housing configured to be joined to the housing base. The housing base and the upper housing cooperate to define a contact cavity. The housing base includes plated conductive surfaces that provide a conductive path from the contact cavity to an electrical path on the substrate. A contact is held in the contact cavity. The contact is configured to mate with a contact in a mating connector.

Abstract: An implantable electrical connector includes a male portion and a female receptacle. The male portion includes a number of wires that terminate in a pattern of conductive areas. The male portion is inserted into a female receptacle and guides in the female receptacle limit the insertion of the male portion to a single direction. A locking mechanism such as a setscrew on the female receptacle forces conductive areas of the exposed conductors onto connecting pins within the female receptacle. The setscrew itself is electrically isolated from the conductive areas. Each pin in the female receptacle is surrounded by a rigid seal that engages a compressible insulating member under compression of the locking mechanism to prevent an electrical connection forming between adjacent pins in the connector.

Abstract: An electrical outlet plug strip comprising an elongated horizontally disposed housing having a horizontally disposed upper wall member, a vertically disposed inner wall member, a horizontally disposed bottom wall member, and an angularly disposed outer wall member which extends between the outer end of the upper wall member and the outer end of the bottom wall member. The outer wall member extends downwardly and inwardly from its upper end to its lower end and has a plurality of horizontally spaced-apart electrical outlets positioned in the angularly disposed outer wall member. The angularly disposed outer wall member may also have a low voltage receptacle provided therein which enables low voltage lights to be powered thereby.

Abstract: In some embodiments, a module may have a slot for an input/output card. While cables may be connected to the card in the module, external forces acting on the cable and/or module may result in the cable pulling the card out of the module, damaging the connector or card. In some embodiments, a strain-relieving device may be used to counter these forces on the cable. In some embodiments, a positioning strip may be coupled to a base placed over the card in the module. In some embodiments, a cable grip may be coupled to the positioning strip through a bracket. In some embodiments, the cable grip may include two plates that are coupled to the bracket through fasteners. As the fasteners are tightened, a distance between the two plates may decrease, and a cable between the plates may be at least partially secured between the plates.

Abstract: An electrical connector includes a plug which is designed as a threaded sleeve for screwing on a union nut or for screwing into a stationary housing component of an electronic device. The external thread of the threaded sleeve has at least one threadless area provided in the plug-in direction into which a matching internal thread of a union nut or of a housing can be plugged in almost completely, in such a way that tightening of the threaded joint is reduced to one half or maximum a full revolution. The construction allows for the use of complete screw threads and thus the combination with standard connectors of the same commercially available size and type of connection.

Abstract: A system is provided for mounting a connecting device to a substrate. A connector housing is located at one side of the substrate, and a threaded fastening nut is engaged on the housing. A threaded fastener is engaged with the opposite side of the substrate and extends therethrough for tightening the nut toward the substrate in response to rotating the fastener. An assembly tool holds the fastening nut against rotation as the fastener is rotated. The tool includes a first portion for engaging at least a part of the housing to properly position the tool. A second portion of the tool engages the fastening nut to prevent rotation thereof. The second portion of the tool is aligned with the fastening nut automatically in response to engaging the first portion with the housing.

Abstract: An improved connection system for coupling a device such as a pacemaker, cardioverter, defibrillator, nerve stimulator, muscle stimulator, implantable monitor or other medical device to a medical lead is disclosed. The connection system includes a coupling member designed to couple to the proximal end of the lead. This coupling member, which includes an inner lumen sized to form a press fit around the proximal end of the lead body, may be of a generally tubular construction. This coupling member includes connector means to enable a connector pin at the proximal end of the lead to mechanically and electrically couple to a device. The connector means may further include means for coupling both mechanically and electrically to a ring connector on the proximal end of a multi-polar lead. An insertion member may also be provided to allow the lead to be more easily inserted within the inner lumen of the coupling member.

Abstract: Front and rear optical fiber connectors (12, 14) can be mated and unmated from the front, while the rear connector and the rear portion (54) of the front connector can be removed for cleaning and replacement from the rear. A jackscrew (30) with a handle (32) at the front, extends through the connectors and has a threaded rear end (34) for engaging a nut (36) on the rear connector. The jackscrew also can be operated from the rear to remove the rear connector for maintenance. A spring (182) urges the jackscrew forwardly, to allow a person to sense when the jackscrew has not engaged the nut. A front connector frame (50) has a vertical divider (200) forming a pair of cavities (62, 63) that receive shaped body elements (54, 55). U-shaped brackets (164, 166) hold a back plate (52) to each connector. Alignment pins (144, 146) are coupled through springs (320) to the rear connector.

Abstract: Means to firmly pack an SFP module. The means comprises an upper cover (4) and a lower cover (5). The upper cover comprises an upper plate (41), two sidewalls (42) integrally depending from the upper plate, and a bottom plate (43) formed between front portions of the sidewalls. The lower cover has a main panel (50). A pair of flanges (52) extends from opposite longitudinal sides of the main panel respectively. Two elbow-shaped locking tabs (424) integrally depend from respective opposite bottom edges of the sidewalls of the upper cover. A pair of symmetric elbow-shaped cutouts (51) is respectively defined in opposite sides of a front portion of the lower cover, for extension of the elbow-shaped locking tabs of the upper cover therethrough.

Abstract: A computer input/output (I/O) cable plug retaining seat comprises a retaining cover and a base. The seat can be connected to a computer I/O plug, such as a well-known CENTRONICS cable plug. Four screws are used to secure the cable plug between the retaining cover and the base. A pair of fixing screws secure the retaining seat with cable plug to the rear cover of an equipment shelf so that when a channel unit slides from the card guide of the equipment shelf, the channel unit connector will be led into the guide holes by means of guide pins so that the channel unit connector is precisely aligned with the cable plug. When a user wishes to remove the channel unit from the equipment shelf, the channel unit is extracted directly without having to disconnect the cable. Thus, the objective of rapid assembly and disassembly is achieved.

Abstract: An adapter assembly for connecting a control unit to a heater. The control unit has wires that connect to terminals on the heater. The adapter assembly includes a first tubular body portion, a second tubular body portion and at least one locking bolt. The first tubular body portion is attached to the heater. The second tubular body portion is attached to the control unit. At least a portion of the first tubular body portion is retained inside the second tubular body portion. The locking bolt attaches the second tubular body portion to the first tubular body portion by inserting through a hole in the second tubular body portion. The present invention also includes an adapter assembly with the reverse attachments. Specifically, the first tubular body portion (retained inside the second tubular body portion) may be attached to the control unit instead of the heater. Similarly, the second tubular body portion may be attached to the heater instead of the control unit.

Abstract: A plug device for an electric facility includes a front portion having one or more prongs or plugs for plugging to the electric facility and having four L-shaped forwardly extending legs for engaging with the electric facility and for stably attaching the plug device onto the electric facility. One or more fasteners may secure the plug device to the electric facility. The rear portion of the plug device includes one or more sockets for receiving and for engaging various kinds of plugs or includes one or more electric wires coupled to the plug device.

Abstract: An electrical cabinet configured to accept a number of individual circuit boards and provide a mechanism for remotely interconnecting movable connectors on each circuit board with stationary connectors mounted within the electrical cabinet. The circuit boards are grouped into a number of circuit board assemblies. Each circuit board assembly includes a frame configured to cooperate with a slot in the cabinet to align the movable connector elements on the circuit boards with the stationary connector elements in the cabinet. The circuit boards each include a first mechanism acting from a remote location to gently urge the counterpart connector elements together, and a second mechanism also acting from a remote location to gently disengage the mated connector elements.

Abstract: An adapter assembly for connecting a control unit to a heater. The control unit has wires that connect to terminals on the heater. The adapter assembly includes a first tubular body portion, a second tubular body portion and at least one locking bolt. The first tubular body portion is attached to the heater. The second tubular body portion is attached to the control unit. At least a portion of the first tubular body portion is retained inside the second tubular body portion. The locking bolt attaches the second tubular body portion to the first tubular body portion by inserting through a hole in the second tubular body portion. The present invention also includes an adapter assembly with the reverse attachments. Specifically, the first tubular body portion (retained inside the second tubular body portion) may be attached to the control unit instead of the heater. Similarly, the second tubular body portion may be attached to the heater instead of the control unit.

Abstract: A fast inserting connecting structure for fitting light, and a second article having connecting ends provided with male and female external sleeves. Each of the male and female external sleeves has respectively an extension conduit portion and a bore. The male and female external sleeves are respectively provided with an inserting connecting end and a slipping-over connecting end, in order that when the connecting ends are connected with each other, the inserting connecting end is inserted into said slipping-over connecting end for a fast connection.

Abstract: A latching device used in a card edge connector for the installation of an auxiliary card such as a memory module card is disclosed. The card edge connector comprises a receptacle body and two latching devices located at two sides of the receptacle body. The latching device comprises: a movable part including an elongated flat plate having a fixed end and a free end, and a latching member located near to the flexible free end for detachably latching the auxiliary card to be inserted and rotated to its installation position; a fixed part comprising an elongated flat plate, an inserting portion extending from the flat plate for inserting into a mounting hole of the receptacle body, and an inserting/rotating stop extending from the flat plate for limiting depth with respect to the auxiliary card being inserted and angle with respect to the auxiliary card being rotated.

Abstract: Temporary connections to spring contact elements extending from an electronic component such as a semiconductor device are made by urging the electronic component, consequently the ends of the spring contact elements, vertically against terminals of an interconnection substrate, or by horizontally urging terminals of an interconnection substrate against end portions of the spring contact elements. A variety of terminal configurations are disclosed.

Abstract: An improved structure of a interface card panel of a compact PCI system is disclosed. Wherein the panel of an interface card is assembled by welding an inner layered plate and an outer layered plate. The thickness of each layered plate is only half of the standard plate. The through holes of the inner layered plate have a radius only sufficient for receiving the screw rods of the fixing studs on the two ends of a D type connector, while the through holes for the outer layered plate have a radius sufficient for receiving the whole fixing studs, so that the fixing studs will completely pass through the outer layered plate, while the bodies thereof press the rim of the holes of the inner layered plate. Thus, other than the fixing points on the buckling bodies on the two ends thereof. By the fixing studs of the D type connector, a large fixing force is formed on the middle of the panel, and meanwhile, the strength of the panel is improved.

Abstract: A pre-connectorized connector assembly for cables having a separable two component cable connector. The two components have a female component and a male component that fit together with a screw lock that can be unscrewed for separation. The female component has a snap fit ring to attach to a metal wall and the male component has a snap fit for locking to a cable.

Abstract: Disclosed is an improved electric connector assembly which is compact in size, and is capable of simultaneously mating its plug and receptacle connectors (1a, 2a, 1b, 2b). Each connector has integrally formed projections (7a, 11a, 7b, 11b) on its sides, and a cover (13) encloses the plug and receptacle connectors (1a, 2a, 1b, 2b). The cover (13) has slider plates (14) which have guide slots (15, 16, 17, 18) to accommodate the projections (7a, 11a, 7b, 11b) and cause them to move toward each other when the slider plates (14) are moved laterally thereby pulling the plug connectors (1a, 1b) and the receptacle connectors (2a, 2b) toward one another by way of the projections and slot cam action until the connectors are fully mated.

Abstract: A connector for securing components is disclosed. A hooked portion extending axially from a first device engages a cavity portion within a second, receiving device. A fastener within the first device is secured to said hooked portion in a transverse direction, and through transverse tightening secures the first and second devices together.

Abstract: A strain relief device for coupling of a cable connector to a terminal of an electrical device. The strain relief device includes an elongated base member having a flat surface extending between first and second end portions. A fastener is fixedly connected to the flat surface at the first end portion, for releasably fastening the base to an external surface of a housing to the electrical device. A clamping device extends perpendicularly from the base at the second end portion. The clamping device defines an adjustable slot configured to receive the cable connector. Moreover, the slot is moveable to several elevations with respect to the base. When the base is fastened to the external surface of the electrical device, the slot can be moved to align a cable connector received therein with a terminal of the electrical device.

Abstract: A circuit board connecting device electrically connects exposed back ends of circuit boards when the front ends of the circuit boards are received in a holder. The connecting device has first connectors, second connectors and a connector substrate. The first connectors are attached respectively to the back ends of the circuit boards and extend lengthwise with the back ends of the circuit boards. The second connectors are adapted for connection respectively to the first connectors when the first and second connectors are aligned in a plane parallel to a plane in which the circuit boards extend. The connector substrate has the second connectors attached thereto, extending perpendicular therefrom. The second connectors are electrically connected to each other on the connector substrate. The connector substrate is fixedly attached to one of the circuit boards.

Abstract: Apparatus for testing a cable plug for misfits, faulty connections or the like, includes a receptacle with a plug-receiving socket of a contour corresponding to the outer configuration of a plug being tested. A locking device for securely retaining the plug within the plug-receiving socket is detachably mounted to the receptacle at a selected position thereof by a suitable fastening assembly.

Abstract: The invention provides a bolt-equipped connector in which the bolt will be mounted when the connector is mated with a counter connector. Engaging protrusions (25a, 26a) of a bolt holder (20) are engaged with engaging portions (15b, 16b), whereby the bolt holder (20) is fitted to a holder mounting hole (13) of a housing (11) of a male connector (10). In this state, the bolt (40) is pushed into the bolt holder (20) at the time of mating with a female connector. Engaging pieces (44b, 44c) of a stop ring (44) additionally provided to the bolt (40) are engaged with a step portion (22b) of the bolt holder (20), so that the bolt (40) is rotatably held to the housing (11) via the bolt holder (20). Then, a male screw portion (41) of the bolt (40) is screwed in a screw hole of the female connector, whereby the connectors are mated with each other.

Abstract: A bolt provided on a female connector housing is tightened relative to a nut, provided on a male connector housing, displacing the two connector housings relative to each other in a connecting direction, thereby fitting them together. An upwardly-extending, bar-like projection portion is provided on the male connector housing. A detection member is provided in an insertion hole formed in the female connector housing. When the two connector housings are displaced relative to each other in the connecting direction, the projection pin and the detection member cooperate to indicate a fitting-completed condition, enabling easily perceived completion of the connection. Alternatively, the male and female connector housings include electrically engageable sensing elements that indicate the fitting-completed condition.

Abstract: A connector cover for a wire harness includes a main cover composed of a hinged pair of half case bodies and a secondary cover composed of a hinged pair of semicylindrical bodies. The main cover is formed with an opening for affixing to the back of the connector and a circular opening with a circular ridge elongating inside surface for passing the wire extending from the connector when the half case bodies are closed. The secondary cover having both ends opened for taking in the wire harness and is formed with a cylindrical opening with a channel grove extending therearound for passing the wire when the semicylindrical bodies are closed, and is connected to the main cover such that the circular ridge of the main cover fits in the channel groove around the cylindrical opening, in a manner easy to rotate with respect to the main cover.

Abstract: An electrical connector includes a bottom shell, a cover shell covered on the bottom shell, a PC board mounted within the bottom and cover shell and having a male connector extended out of the bottom and cover shells, and two fasteners mounted on respective mounting blocks on the bottom and cover shells at two opposite sides to fasten the male connector of the PC board to a respective parallel port on the computer, wherein each fastener consists of a rotary driving roller mounted on the mounting blocks at either side and having wings for turning by hand, a bolt driven into a respective screw hole on the computer by the rotary driving roller, and a spring received in a polygonal hole on the rear end of the bolt and supported on the rotary driving roller.

Abstract: A connection system particularly suited for blind mate applications wherein a male connector is to be coupled to a female receptacle which cannot be aligned for mating using normal visual alignment and insertion techniques including at least two guide pins secured to either the connector or receptacle and mating sockets each having an axial bore dimensioned for receiving a guide pin secured to the other component. The guide pins and sockets are positioned so that when the guide pins are inserted into the sockets, the connector aligns with the receptacle for simple connection. The guide pins and sockets are secured to the connector and receptacle such that the length and width confines of the connector and receptacle are not increased by the guide pins and sockets. Furthermore, the guide pins provide mechanical support for the connection and the sockets include a flange for spacing the electrical receptacle a predetermined distance above a surface to which the receptacle is mounted.

Abstract: A connector cover for a wire harness includes a main cover composed of a hinged pair of half case bodies and a secondary cover composed of a hinged pair of semicylindrical bodies. The main cover is formed with an opening for affixing to the back of the connector and a circular opening with a circular ridge elongating inside surface for passing the wire extending from the connector when the half case bodies are closed. The secondary cover has both ends opened for receiving the wire harness and is formed with a cylindrical opening with a channel grove extending therearound for passing the wire when the semicylindrical bodies are closed, and is connected to the main cover such that the circular ridge of the main cover fits in the channel groove around the cylindrical opening. Accordingly, the secondary cover can rotate with respect to the main cover.

Abstract: A screw tightening type connector having a female connector and a male connector fitted in the female connector. The female connector is provided with a female screw body, while a male screw body is provided on the male connector. The male connector is screwed into the female screw body and is tightened whereby the female connector and the male connector are fitted in each other. A rotational-force imparting section is provided for imparting a rotational force to the male screw body. The rotational-force imparting section has a rotary shaft extending in a direction intersected with a fitting direction of the male connector into the female connector. A rotational-force transmitting section is provided for converting the rotational force from the rotational-force imparting section to a rotational force in a direction intersected with the rotary shaft to transmit the rotational force to the male screw body.