Abstract: A brush may include a first row of tufts and a second row of tufts. The tufts in the first row may be angled in a first direction while the tufts in the second row may be angled in a second direction that is different from the first direction.

Abstract: Wet wipes formed from a fibrous structure and a liquid composition that exhibit novel properties are provided.

Abstract: A multi-material composite, the materials being positioned at raised regions (120/220/320/420) and recessed regions (130/230/330/430) on the working surface (110/210/310,315/410), provides a cleaning device (100/200/300/400) with both scouring and wiping on a single surface. By recessing certain material (s) from the working surface, the user can control, with pressure, the extent to which the recessed region makes contact with a surface to be cleaned (170/270). The composite may have at least a first substrate (140/240/340/440) that is a compressible material, and a second substrate (150/250/350/450) that is a compressible material.

Abstract: A bowling ball cleaning glove has a glove portion with cutouts for fingers and a cleaning pad on the palm side. The cleaning pad is a microfiber cloth that cleans the ball when the user holds it. In one embodiment, the cleaning surface is removably held in place with a hook and loop fastener that allows the user to replace a used cleaning surface with a clean one.

Abstract: A mop assembly includes a handgrip structure disposed above, connected telescopically to a rotary rod structure from above and a cleaning mop connected pivotally to a bottom end of the rotary rod structure. Once the cleaning mop is placed within a draining bucket, axially downward and upward movement of the handgrip structure relative to the rotary rod structure results in axial rotation of the rotary rod structure and the draining bucket relative to the handgrip structure in a predetermined direction and hence draining the water out from the cleaning mop.

Abstract: The invention relates to a wiper blade assembly for the windows of a motor vehicle, comprising a longitudinal support (10) intended to receive a pressure application vertebra (20) and a wiper blade (30) and a wiper accessory (40) carrying a device (42a, 42b) for distributing and projecting a washer liquid wherein the accessory is intended to be assembled with the longitudinal support (10). According to the invention, the longitudinal support (10) comprises means for fixing said accessory (40) on said support.

Abstract: An arm piece of a wiper arm, which has a connecting portion connected to a connecting pin through a connecting member received in an opening of a main lever, extends from the connecting portion toward a base end side portion of the main lever such that the arm piece overlaps with an upper surface of the main lever. The main lever is formed by runnerless injection molding. A gate trace, which is left on the main lever in the runnerless injection molding, is formed in an arm accommodation portion of the main lever, which is opposed to the arm piece in a top-to-bottom direction.

Abstract: In a connecting member, a base member includes an installation portion, to which a hook of a wiper arm configured into a U-shape form is adapted to be installed after installation of the base member to a wiper blade. A lock member is rotatably connected to the base member and is adapted to be engaged with an arcuate outer peripheral surface of the hook after installation of the hook to the installation portion. The lock member includes an engaging portion, which is adapted to be engaged with the arcuate outer peripheral surface of the hook to exert a resilient force against the arcuate outer peripheral surface of the hook. The resilient force of the engaging portion is exerted as a rotational force in a locking direction of the lock member against the arcuate outer peripheral surface of the hook.

Abstract: Provided is a robot cleaner. In an embodiment, the robot cleaner for avoiding obstacles and sucking foreign materials using a plurality of sensors and a suction motor is characterized in that a drive suppression unit for detecting obstacles having a corresponding height is integrated with a base for forming a lower portion of a main body in order to not climb obstacles of a constant height during a driving period of the robot cleaner. The present disclosure according to the embodiment improves drive stability of the robot cleaner by sensing a threshold in erroneous state of the sensor for sensing the threshold.

Abstract: The present invention comprises: a collecting section mounted at one side of the pathway, in which the suction force of a vacuum cleaner for sucking dust is transmitted, and moves at least some of the sucked dust towards one direction; a dust collecting section made of transparent material coupled with the collecting section, in which the receiving status of the inflow of dust through the collecting section is exposed to the outside; a discharge section which guides air and dust, which has passed through the dust collecting section, to be discharged into the pathway that transmits the suction force of a vacuum cleaner; and a foreign material discharge means which guides the flow of air into the inner corner of the dust collecting section by the operation of the user and forcibly discharges the remaining dust in the dust collection section to the outside.

Abstract: The present invention relates to a visualization device for dust collection of a vacuum cleaner, the visualization device includes a collecting unit mounted on one side of a pathway on which the suction force of a vacuum cleaner for sucking dust is transmitted, and moves at least some of the sucked dust in one direction, a dust collecting unit of transparent material coupled with the collecting unit and exposes a state of dust received by the collecting unit to the outside, a discharge unit which guides air and dust, which has passed through the dust collecting unit, to be discharged into the pathway that transmits the suction force of the vacuum cleaner, a foreign material separation unit provided in the dust collecting unit to generate cyclonic flow, and a foreign material discharge unit inserted into the inside of the foreign material separation unit by the manipulation of a user from one side of the dust collecting unit and allows the inflow of air from the outside into the inside thereof to discharge dus

Abstract: A vacuum cleaner having a collection cavity into which air is drawn by a vacuum drive for the collection of air entrained detritus. The cavity has an inlet vent for entry of dirty air, a base portion for collecting detritus and an outlet, enabling the vacuum drive to-draw air into the cavity. The inlet vent comprises a stub pipe which enters the cavity. A filter bag is disposed in the base portion and includes an aperture for the entry of air-entrained detritus. The bag aperture includes a sliding fit over the stub pipe to engage with the inlet vent so the stub pipe empties into the bag. The bag includes a retaining tie which may be clamped to the aperture back along the stub pipe to prevent disengagement of the bag with the vent.

Abstract: A suction cleaning apparatus comprising a dirt collection container which has a suction inlet and is fluidly connected to at least one suction unit via at least one filter and at least one suction channel is provided. The suction cleaning apparatus further has at least one external air inlet which opens out into the suction channel downstream of the at least one filter and which is selectively closable and openable by means of a closing body. In order to reduce the installation space of the closing body required for proper filter cleaning, the suction channel has an external air inlet wall with at least one external air inlet. The closing body, sliding along the outer side of the external air inlet wall, is reciprocatingly movable between a closed position closing the at least one external air inlet and an open position opening the at least one external air inlet.

Abstract: A suction nozzle has a housing, a tilting bearing, a connection nozzle, a lock for the tilting bearing, a connection nozzle, a lock for the tilting bearing, actuators and a housing duct. The tilting joint has a bearing connected rigidly to the housing and a connector piece which is pivotally mounted about an axis S. The lock has a first locking element, which is mounted rotatably on the housing, and a second locking element, which is rigidly connected to the connecting piece of the tilting joint. A restoring force for the first locking element is generated by magnets.

Abstract: The present invention provides, in one embodiment, a vacuum cleaner nozzle comprising a nozzle body (1); a suction plate (2) having an elongated suction inlet (3), wherein the suction plate (2) is pivotally connected to the nozzle body (1) about a first pivot axis (A), which first pivot axis (A) extends parallel to the elongated direction of the suction inlet (3); a nozzle outlet device (5) having, at a first end thereof, a tubular opening (6), which tubular opening is matable with a tubular component (7) of a vacuum cleaner; and flexible hose (8) which is arranged to interconnect the suction plate (2) with the nozzle outlet device (5) such that the suction inlet (3) is in fluid communication with the tubular opening (6) of the nozzle outlet device (5).

Abstract: According to an embodiment of the present disclosure, an installation structure for an agitator installed in a dust suction unit of a robot cleaner to scatter foreign substances distributed in a working area comprises: a holder which is connected to a driving motor for providing a torque to the agitator and has a part exposed to the inside of the dust suction unit; and a fixing shaft for forming a rotation shaft of the agitator and having a shape of a polygonal pillar or a shape of a pillar including at least one projection, wherein a shaft insertion part is formed in the holder, has a dented shape corresponding to the shape of the fixing shaft, and can be engaged and rotated with the fixing shaft while the fixing shaft is inserted into and installed at the holder. According to an embodiment of the present disclosure, the easy separation and installation of the agitator and the enablement of simultaneous rotation of the agitator and a side brush can improve user satisfaction.

Abstract: A hinge, configured to be stably positioned by a simple mechanism and advantageously characterized by ease of installation and uninstallation, includes a first connection member and a second connection member. The first connection member includes a first fixing unit and a support unit. The first fixing unit has a first fixing side and a connecting side. The support unit is connected to the connecting side, and has a cylindrical receiving chamber and a via in communication with the cylindrical receiving chamber. The via is penetrable by a rod-shaped tool. The second connection member includes a second fixing unit and a post connected to the second fixing unit. The second fixing unit has a second fixing side. The post is removably disposed in the cylindrical receiving chamber and has a positioning hole for receiving an end portion of the rod-shaped tool when aligned with the via.

Abstract: A self-closing invisible hinge for returning a door to its closed position from its opened position including a self-closing structure in which the closing force can be selectively adjusted externally at the hinge and in which the self-closing structure is compact. The self-closing invisible hinge further having an embedded wiring system for providing electrical communication between an area on or in the door and an area adjacent a mounting structure supporting the door, such as a building electrical and/or communication system.

Abstract: Fully Adjustable Stirrup Hinge apparatus includes a Square Head Bolt Assembly for tension, to attach to a vertical round steel post. The opposite end includes a Vertical Round Eyelet to provide for the male section of the Coarse Thread Horizontal Load Bolt to connect the device to moveability between the stationary round post and the moveable load attached to the Coarse Thread Horizontal Load Bolt.

Abstract: The clamping band has a simple structure and is capable of preventing crush of an engaging claw and buckle of an inner band part, which are caused when an outer band part and the inner band part are moved close to each other to reduce an inner diameter of a band section. In the clamping band, an overriding guide is formed between the engaging claw and a second tool-catching claw of the inner band part. The overriding guide is outwardly projected to radially outwardly guide an outer end of the outer band part when the engaging claw is moved to an engage hole from a temporary engage hole.

Abstract: The invention is a circular device with a cross cut in the middle that fits between the folds of a shirt sleeve. The cufflink is threaded through the shirtsleeve buttonhole on the outside, through the device, and out the interior buttonhole of the shirtsleeve. Once the cufflink is fastened, the device will keep the cufflink from falling out of the shirtsleeve.

Abstract: An apparatus is provided for securing a panel to a substrate. The apparatus includes a base member, and an attachment member for securing the base member to the substrate. The apparatus further includes a clip member including a U-shaped member and an angle-sided member. The U-shaped member includes a central portion and first and second walls defining a generally U-shaped access region for accepting the angle-sided member. At least one of the first and second walls includes a longitudinal flange extending laterally outwardly from an upper end thereof. Each of the U-shaped member and the angle-sided member includes a corresponding hole for accepting the attachment member therethrough. The apparatus further includes a securing member for pressing the longitudinal flange against at top edge portion of the panel.

Abstract: A snap coupling system for pieces or metallic or non metallic coupling members, that require to be attached perpendicularly in a “T” fashion, in a cross “+” fashion or angularly, by which a tubular male coupling member having one or more retention tabs that are temporally flexed, enters in slots or receiving apertures of another piece or female coupling member, tubular or planar, where they engage, by which they can be readily attached two tubular members or one tubular member and one planar member, in a perpendicular way, in a cross fashion or angularly, without the necessity of using skilled labor.

Abstract: A work roller (1) is detachably attached to a housing (2). The work roller (1) is positioned on a pin between a pin head (7) and a lid (20) allowing it to rotate freely, while the housing (2) provides a recess (6) for the deep rolling tool (1), a receptacle (10) for the pin head (7) and a receptacle (19) for the lid (20). The receptacle (10) for the pin head (7) is shaped like a subarea (11, 14) of a truncated cone and has a concentric collar (23) around the rotational axis (24) of the work roller (1) while the receptacle (19) for the lid (20) is shaped like a subarea (16, 17) of a circular cylinder.

Abstract: A rivet gun has a barrel, a shaft, a handle and a pneumatic cylinder assembly. The shaft is mounted under the barrel. The handle is mounted around the shaft. The pneumatic cylinder assembly is mounted under the handle and has a top cover, a fastener, an annular cylinder and a bottom base. The top cover, fastener, annular cylinder and bottom base are detachably assembled so can be replaced easily without changing the whole pneumatic cylinder assembly. The maintenance costs of the rivet gun are reduced.

Abstract: The present invention includes methods and apparatus for easily adjusting a shock and strut assembly to modify the ride height of a vehicle by providing one or more spacers to be placed between the lower spring seat mount and the spring seat plate that rests upon it in order to raise the ride height of a vehicle. Embodiments include a unique location for a lower spring seat mount. The position of the lower spring seat mount may be lowered to reduce the ride height of the vehicle, and one or more spacers may be inserted above the lower spring seat mount to raise the ride height of the vehicle.

Abstract: A method for modernizing an elevator includes arranging a first rope clamp and a second rope clamp such that the first rope clamp and the second rope clamp are supported by a same support element; removing the old hoisting roping; and installing a new hoisting roping by guiding the new hoisting roping to pass from the traction sheave to the elevator car or the counterweight via the aperture in the floor of the machine room, the new hoisting roping comprising a first part that is guided to pass to the elevator car or the counterweight to a first diverting pulley, and onwards from the first diverting pulley back upwards to the first rope clamp; and a second part that is guided to pass to the elevator car or the counterweight to a second diverting pulley, and onwards from the second diverting pulley back upwards to the second rope clamp.

Abstract: Disclosed herein is an elongate member attachment apparatus. The apparatus includes a main body capable of being pulled through at least one space. The main body has a bore-shaped opening that is receptive of an end of an elongate member. The apparatus further includes a fastening mechanism configured to secure the elongate member within the bore-shaped opening of the main body.

Abstract: The invention relates to a fastening arrangement for fastening a component B to a component A with automatic compensation of tolerances with a spacing (S) between the component B and the component A, which comprises the following features: a.) a receiving element (10) and an adjusting element (20, 30) which can be screwed to the receiving element (10) via a first thread pair (12, 32) having a first pitch direction, while b.) a fastening screw (40) can be inserted through an opening in the receiving element (10) and adjusting element (20, 30) which screw can be screwed into the receiving element (10) via a second thread pair (42, 52) having a second pitch direction opposite to the first and can be connected to the adjusting element (20, 30) by a releasable drag connection (24) in order to co-rotate the adjusting element (20, 30) during the rotation of the fastening screw (40) and thereby move it into contact with the component B, and wherein c.

Abstract: A connection arrangement for connecting precast elements. The arrangement including a first member and a second member each for partial embedding in first and second precast elements respectively. The first and second members are connectable together to connect the first and second precast elements. The first member has a portion for embedding in the first element, while the second member has a first portion for embedding in the second element. The first portion of each of the first and second members extend to respective second portions and the second portions of each of the first and second members are arranged for mating connection.

Abstract: An apparatus for removably attaching dealer tags to various vehicles, comprising two or more mounting devices, each comprising a center portion with a mounting hole for mounting the device on the vehicle's tag or license mounting structure using a screw or bolt or similar mounting means. At one end of the device is a mounting post supported by a mounting post support with a ridge, protrusion, or indentation on two opposing sides. The mounting post support is flexibly attached to the center portion, and can be bent around and removably attached to the center portion by means of inserting the ridge or protrusions into corresponding holes or slots in the sides of the center portion. The other end of the device comprises a flexible arm or structure with a hole adapted to fit over the mounting post.

Abstract: Disclosed is a method for manufacturing a sealed contact point by injecting an arc extinguishing gas into an air-tight space of an electromagnetic switching device and sealing it. The method for manufacturing a sealed contactor, including: forming a driving body and coupling a housing and a plate; air-tightly fixing a detachable chamber and forming the interior of the chamber under an insulating gas atmosphere; tightly attaching the cylinder to the plate by a tight-attachment inducing member within the chamber under the insulating gas atmosphere to form a sealing structure; exhausting the chamber; disassembling the chamber from the plate; and sealing the tightly attached plate and the cylinder.

Abstract: A barrel retaining system for a firearm includes a firearm receiver having a barrel nut coupled thereto and a barrel assembly, which in one embodiment may include a barrel with a barrel extension coupled thereto. The barrel extension includes a plurality of barrel locking lugs that rotatably engage corresponding locking elements disposed on the barrel nut. The barrel extension may further include a flange that may engage one end of the locking elements of the barrel nut and the barrel locking lugs may engage an opposite end of the locking elements to wedge the locking elements therebetween for securing the barrel extension to the barrel nut. The firearm may be an autoloading rifle in some embodiments.

Abstract: A method of installing temporary construction elements for an event without damaging a floor is disclosed. The method includes creating a digital file of an architectural template illustrating the construction elements. The method further includes printing the digital file as a full-scale architectural template. The full-scale architectural template comprises one or more sheets capable of protecting the floor during installation of the temporary construction elements, each sheet being a portion of the full-scale template. The method further includes placing and aligning the sheets on the floor so that the markings are positioned in the same location as the corresponding temporary construction elements should be and attaching the sheets to the floor. The method further includes installing the temporary construction elements on the sheets in accordance with the markings. The method further includes removing the sheets after installation of the construction elements.

Abstract: An apparatus for connecting adjacent ends of first and second conduits including a frame assembly including a mounting point for mounting the end of the first conduit in a fixed position, a guide connected to the frame assembly and including first and second guide formations for receiving guide arms attached to the end of the second conduit and a moveable carrier mounted on the frame and including slots for engaging the guide arms. The carrier is moveable between a first position in which the slots align with the guide formations so that the guide arms can pass into the slots, and a second position in which the end of the second conduit is held against the end of the first conduit so as to allow a connection to be formed to secure the ends together.

Abstract: In a method of producing a connection between the neck area of a light metal cartridge, particularly an aluminium cartridge, and a plastic container inserted therein, by a drawing process that forms a connection area and applies areas of the wall of the light metal cartridge against the plastic container using a rotating main body (15) of a drawing tool (2), said main body supporting at least one profiled drawing roller (3) which can rotate about a rotation axis (5) in order to delimit a tool working opening (1), wherein the drawing roller (3) lies against the outer surface of the light metal cartridge, the rotation axis (5) of the drawing roller (3) is arranged at a tool-internal end area of a lever (9) arranged transversely relative to the longitudinal axis (16) of the drawing tool (2), said lever being supported at its opposite tool-external end area on the drawing tool (2) so as to be pivotable about a pivot axis (11) in a force-controlled manner and so as to apply the drawing roller (3) against the outer

Abstract: A manual portable tool and a process are described, for straightening and positioning used metal crown caps onto mouths of bottles, in order to airtightly and watertightly close the bottles again; the tool comprises a handgrip and a tubular element equipped with at least two slits and composed, on an internal surface, of a circular crown, adapted to house therein a used cap before placing it onto a bottle mouth; a circular toothing formed of projections and adapted to house therein the used cap when it is pressed onto the bottle mouth in order to straighten the corresponding teeth of the cap onto the bottle mouth; and a circular opening, smooth and free from teeth, adapted to house therein the used cap after it has been placed onto the bottle mouth and before removing the tool from the bottle mouth and leaving the cap onto the bottle mouth.

Abstract: A self-expanding and self-undercutting guard rail bolt includes a dowel having a guard rail fastening end and a ring. The fastening end is configured to be driven in rotation, and the ring is configured to rigidly connect to a first screwing end of the dowel by an incipient fracture portion. The self-expanding and self-undercutting guard rail bolt further includes a counter-dowel screwed to the dowel by a second screwing end. The counter-dowel includes an expansion cone, and an anti-rotation head having at least one edge which projects beyond a periphery of the dowel to prevent rotation of the counter-dowel about an axis of the guard rail bolt.

Abstract: A construction system for joining a plurality of CD cases comprising a plurality of component clips, wherein each component clip defines a front recess formed by a front upper arm, a front lower arm and a front support back connecting the two front arms, wherein the front arms are generally parallel; and wherein each clip further defines a groove on each of the two front arms adjacent to the support back within the front recess. A method of using a component clip comprising the steps of orienting the component clip and a CD case such that the CD case is adjacent but not within a first recess; and sliding the CD case into the first recess so that at least one lip on the CD case is received in one of the grooves in two opposing arms.

Abstract: A fastening device includes: a screw member that is penetrated through the attachment holes; and a fastening member holding portion, wherein the fastening member holding portion includes: a first surface engagement portion that is located at a first surface side of the plurality of members overlapping each other, and that is engaged with the first surface; an extension portion that extends from the first surface engagement portion to a second surface side as a rear side of the first surface; a second surface engagement portion that is located at the second surface side, and that is engaged with the second surface; and a screw portion that moves the second surface engagement portion to the first surface engagement portion side in response to rotation of the screw member.

Abstract: A method for forming a joint using a self-piercing rivet includes the steps of: positioning the sheet material over a die and providing a rivet having a substantially cylindrical shank and a head, the shank having a central blind bore and an annular piercing end spaced from said head. The ratio of the difference between the outside and inside diameters of the shank in the region around the bore to the outside diameter of the shank is in the range 0.47 to 0.52. The method also includes positioning a rivet over the sheet material at a position opposite the die and using a punch to set the rivet and force it into the sheet material such that it pierces the upper surface thereof and such that the shank deforms outwardly to interlock with the material but without penetration to the die side of the material.

Abstract: The invention relates to a method for the installation and removal of a conveyor belt (5) on drive rollers (1) by means of an endless supporting belt (2) stretched over said rollers, wherein said conveyor belt has an outer surface, an inner surface, and two free ends. The invention is characterized in that: a) for the installation of a conveyor belt that includes a substrate sheet (6), one surface of which includes a polyurethane coating bearing a printed image, which coating is covered by a mixture of materials that protect this image, a portion (15, 15a) of the conveyor belt is defined at each of its two transverse ends (14, 14a) only, and then, with the conveyor belt being positioned longitudinally and stretched over said supporting belt, and with said two transverse ends being juxtaposed, said two portions of the conveyor belt are joined together by being secured or not to the supporting belt; b) for removal, the portions of the conveyor belt are separated and the conveyor belt is removed.

Abstract: Provided is a method of designing a system for use in a process for freezing a biological material at a desired cooling rate, the system including a device for freezing biological material including a cooling unit and a heat insulation unit, and a container configured for receiving therein the biological material; the method including: designing the container to have a first portion and a second portion; designing the heat insulation unit to have a first receiving portion and a second receiving portion; configuring the first and second portions of the heat insulation unit to receive therein the first and second portions of the container, respectively, to ensure that the second portion of the container is in thermal contact with the cooling unit; determining dimensions of the first and second portions of the container and of the heat insulation unit in accordance with the desired cooling rate.

Abstract: A method for manufacturing a header for an implantable medical device such as a pacemaker which contains an advantageous molded design with encapsulated wires and conductive features. The header including a specifically formed lead lock member in which a plurality of collets residing in bores in the molded housing are used to retain and lock implantable leads in place without the use of set screws.

Abstract: Provided is a method for manufacturing a thermally-assisted magnetic recording head including a light source unit with a light source and a slider with an optical system. The method comprises steps of: adhering by suction the light source unit with a back holding jig; moving the back holding jig, then aligning a light-emission center of the light source with a light-receiving end surface of the optical system in directions within a slider back surface of the slider; bringing the light source unit into contact with the slider back surface, with a suction surface of the back holding jig tilted from the normal to the slider back surface; applying a load to a load application surface of the unit substrate by a loading means to bring a joining surface of the light source unit into conformity with the slider back surface; and bonding the light source unit and the slider. This method can improve the conformity, thereby achieving adequately strong junction and adequately high accuracy in position.

Abstract: A disk drive device includes a hub, a base plate, and a bearing unit. The bearing unit includes a shaft housing member, joined to the hub, having a through-hole in the center, a shaft having a smaller diameter section and a larger diameter section, a radial dynamic pressure grooves, and a lubricant agent. The opening shape of bearing hole of the base plate is so formed as to be larger than the outer shape of the larger diameter section. In the bearing unit, the larger diameter section of the bearing unit is fixed by a hardening resin present between the bearing unit and the bearing hole.

Abstract: A method for achieving converter transformer for suppressing DC bias magnet comprises increasing the seaming width of the transformer core lamination, which comprises in detail calculating the width and the height of each stage of lamination according to the reserved seaming width of the lamination, the sectional area of the core, the space between columns, and the height of the window, shearing the lamination based on the width and the height of the lamination obtained by calculating, overlapping two pieces of laminations into one piece of lamination according to the order of stages, placing them on the core frame alternately by stages, and after overlapping all the laminations, fastening each stage of lamination.

Abstract: Disclosed is an electromagnetic switch capable of sealing a hermetic space after injecting extinguishing gas into the hermetic space. An apparatus for manufacturing an electromagnetic switch includes a chamber having an inner space hermetically sealed from outside, an extinguishing gas injector configured to inject extinguishing gas into the chamber, a supporter disposed in the chamber, and configured to support a temporary assembly having a vent hole at one side thereof, and a sealing means configured to seal the vent hole in a state that the extinguishing gas has been injected into the chamber.

Abstract: Disclosed is a method for manufacturing a sealed contact point by injecting an arc extinguishing gas into an air-tight space of an electromagnetic switching device and sealing it. The method includes forming a driving body and coupling a housing and a plate to form an air-tight space, air-tightly fixing a detachable chamber forming the interior of the chamber under an insulating gas atmosphere, inserting the protruded shaft and core of the driving body into the cylinder and coupling the cylinder to the lower portion of the plate to form a sealing structure, and sealing the plate and the cylinder.

Abstract: A tool for inserting a drawstring into a drawstring passage has elongated leading and trailing bodies which are connected to each other by a flexible member. The trailing body defines at its rear end an aperture into which an end of a drawstring can be inserted, which drawstring can be secured to the trailing body by the cooperation with the trailing body of a drawstring retainer. The retainer is carried by the trailing body and is movable relative to that body toward and away from the rear end of that body. When the retainer is at its rear end limit of movement relative to the trailing body, the retainer is effective to cause a drawstring inserted into the aperture to be held in the insertion tool. The retainer can be spring-biased toward its rearward limit of motion in the insertion tool.