Abstract: Provided is a cleaning device having a compact structure. A recovery unit (17) is configured such that dust collection boxes (76, 77) are disposed with respect to a cleaning brush (6) and a metallic roller (7), respectively. A cleaning blade (9) is fixed to a blade holder (79) via a bolt (78). When the recovery unit (17) is incorporated in a frame unit, the recovery unit (17) is moved in a predetermined direction so as to be brought into contact with a positioning section (14Bbb) of a side plate 14B of the frame unit (11). When the recovery unit (17) is moved, a fixing bolt (85) is loosened so that a straight portion (86a) of a fixed washer (86) is aligned with the vertical direction, and then, the fixing bolt (85) is tightened so that the recovery unit is fixed.

Abstract: A device for quickly cleaning a variety of surfaces is provided that preferably utilizes a positive capture roller and three-dimensional capture matrix. In particular, the roller is tacky and is in close relationship with a three-dimensional capture media. The roller may be refreshed by a washing mechanism and the media may be replaceable.

Abstract: A waste removal device comprises a body, a paddle (5,72) and a collection chamber (16,74), the paddle (5,72) being drivable to deliver waste from an area to be cleaned (18,73) to the collection chamber (16,74) and further comprising a fluid delivery device (13,75) arranged to deliver a fluid to the area to be cleaned (18,73). A lever (1,77) may be actuated to drive the paddle (5,72) and an optional brush (8) or other secondary means, which scoop and clean pet waste from a surface. Upon activating the paddle (5,72), a water sanitation system may engage and deliver sanitation fluid both onto the area to be cleaned818,72) and onto internal mechanisms of the device. The device may be used several times before emptying, which may be carried out by returning it to a docking station where a mechanism automatically releases the waste into a sealed biodegradable tank.

Abstract: A brush for cleaning a surface of a cleaning object includes a brush body and a brush head unit connected to the brush body arranged for providing a brushing surface for cleaning the surface of the cleaning object in a gentle but effective manner, wherein the brush head unit comprises a plurality of bristle units aligned and connected in layer to formed the brush head unit, wherein each the bristle unit comprises a plurality of bristle members which are welded together to integrally forming the bristle unit, thereby a density and a distribution of the bristle members in the brush head unit are capable of being increased to a level at which gentle but effective cleaning is realized.

Abstract: A floor tool including a handle, a mop head, and a fluid reservoir. The handle includes first and second opposite ends through which a longitudinal axis of the handle extends. The mop head is coupled to the second end of the handle. The fluid reservoir is coupled to and carried by the handle at a location between the first and second ends of the handle and has a center of mass offset from the longitudinal axis. A portion of the handle is offset from the longitudinal axis more the center of mass of the fluid reservoir. Additionally, the portion of the handle is located between the fluid reservoir and the first end of the handle such that the portion of the handle is located above the fluid reservoir.

Abstract: A cleaning tool for maintaining a firearm includes a flexible brush adapter having a first end and an opposing second end. The flexible brush adapter includes a rotation-resistant cable characterized by two or more layers of strands having differing directions of lay. The cleaning tool further includes a brush attachment coupled to the flexible brush adapter at the second end thereof. The brush attachment includes a plurality of bristles. In one example, the brush attachment comprises a longitudinal twisted wire spine. The spine captures the plurality of bristles extending radially therefrom. The bristles include copper alloy bristles intermixed with stainless steel bristles.

Abstract: A cleaning brush is composed of a grip and a brush body. The grip includes a first lateral side, a second lateral side opposite to the first lateral side, a mounting portion running through the first and second lateral sides, and a retaining portion. The brush body is a spherical reticular member made of a tubular reticulum and includes a first brush portion, a second brush portion, a central portion mounted to the mounting portion, and a fastening string extending outward from the central portion. The first and second brush portions are located at the first and second lateral sides of the grip separately. The fastening string is connected with the retaining portion of the grip for limiting the relative positions of the brush body and the grip. Thus, the brush body is not subject to sliding with respect to the grip for definite touch and preferable cleaning effect.

Abstract: A hand tool (10) for shaping joint compound (64) applied to a wall including a substantially rigid blade (12) having a handle (14), and wherein the blade (12) has a 5 preselected non-adjustable curvature (12).

Abstract: A fragrance delivery system for a mobile robot. A fragrance containment and attachment device for a mobile robot allowing the robot to expel a fragrance in the space or region in which the robot is in operation.

Abstract: A windscreen wiper device includes an elastic, elongated carrier element, as well as an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes a central longitudinal groove, in which groove a central longitudinal strip of the carrier element is disposed. Connecting pieces are provided at both ends of the wiper blade and a connecting device is provided for an oscillating wiper arm. The wiper blade includes an elongated upper holding part and an elongated lower wiping part of a flexible material. The holding part holds the wiping part, and includes downwardly extending side arms, seen in cross-section, for holding the wiping part, from the outside in a lateral region thereof The connecting pieces comprise engaging members that sidewardly engage the upper holding part, and the engaging members comprise legs extending laterally from the engaging members over the length thereof in the direction of the downwardly extending side arms.

Abstract: A retractable hose vacuum cleaning system comprising a retractable vacuum hose configured to retract through a dual port valve assembly, into a system vacuum tube responsive to the vacuum communicated from a vacuum source. The dual port valve assembly comprising one port adapted to receive the full length of a retractable vacuum hose into a system vacuum tube for storage, a second port adapted to connect to the hose end fitting and supply electrical grounding, electrical power and vacuum to the hose for use, valve seals to stop air flow through the port that is not in use and a third port to connect the valve to the system vacuum source. The dual port valve assembly also comprises a debris trap.

Abstract: A vacuum bag attachment assembly for a vacuum cleaner includes a locking handle movably connected to the vacuum cleaner and movable between first and second positions. An opening in the handle receives a fitting of a vacuum bag. When the locking handle is in the first position, an outer shell of the vacuum cleaner is prevented from closing. When the locking handle is in the second position, the outer shell of the vacuum cleaner is closable.

Abstract: A surface cleaning apparatus (10) comprises a base assembly (12), an upright handle assembly (14) pivotally mounted to the base assembly (12), a fluid distribution system including a supply of cleaning fluid, and a fluid recovery system for drawing dirty cleaning fluid from the surface to be cleaned. The base assembly (12) comprises a fluid supply tank (22) mounted on a base platform (20), and a recovery tank (24) and lid (70) mounted on the supply tank (22). The nozzle (146) assembly is split into three separable sections, and the upper handle (300) is foldable to a storage position. The base assembly (12) further comprises a pivotal brush carriage (210) assembly. A method for renting extraction cleaning machines (10) utilizes a vending machine (600) that dispenses cleaning formulations packaged in single use packages (602).

Abstract: There is provided a portable cleaning appliance (100) comprising a main body (102), a nozzle (104) and a graspable handle (106), the nozzle (104) and handle (106) each being movable relative to the main body (102) between a first, storage, position adjacent the main body (102) and a second, in-use, position in which the nozzle (104) and handle (106) extend from the main body (102), wherein the nozzle (104) and handle (106) are connected by a linkage member (128) arranged such that, in use, movement of one of the nozzle (104) and the handle (106) between the first and second positions causes a corresponding coupled movement of the other of the nozzle (104) and handle (106) between the first and second positions.

Abstract: An assist grip of the present invention includes, but is not limited to, a grip body including hinge cavities on opposite bases and hinge assemblies pivotally supported inside the hinge cavities at opposite sides, respectively, and secured to mounting locations inside a vehicle via the hinge assemblies. Mounting clips are inserted into rectangular openings of hinge bodies of the hinge assemblies, respectively. Each of the mounting clips is formed by bending a pair of resilient legs having spring resiliency into a substantially U-shape, and includes resilient bulging portions bulging outward in the resilient legs at both sides. Each of the resilient bulging portions includes a retention portion to be retained by a mounting location of a vehicle body. The retention portion of the resilient bulging portion includes a recess portion that is recessed inward and provided with an extended region in a pull-out direction of the mounting clip.

Abstract: A pivotal rotation angle limiting apparatus includes a supporting seat, a pivot shaft and a linking element. The supporting seat includes a shaft hole, an axially-extended opening connected to the shaft hole and a first connecting portion. The pivot shaft includes a second connecting portion projected from the shaft hole of the supporting seat. The linking element includes a pivot portion and a slide-guided portion, wherein the pivot portion is engaged to the first connecting portion of the supporting seat, the slide-guided portion is engaged to the second connecting portion of the pivot shaft and has a length less than a diameter of the pivot shaft, and the second connecting portion of the pivot shaft is moved along the slide-guided portion and stopped by ends of the slide-guided portion when the pivot shaft is rotated, so that the pivot shaft is limited to pivot within a constant angle.

Abstract: The invention relates to a system for releasably attaching an article of clothing to a body, comprising a first fixing element intended for attachment to the article of clothing and a second fixing element intended for adhering to the body, wherein both fixing elements are provided with co-acting connecting means. The system according to the invention has the feature here that at least the second fixing element is manufactured from substantially stiff material, that the second fixing element is provided with a substantially flat adhering surface, and the co-acting connecting means are arranged substantially centrally on the first and second fixing elements.

Abstract: The present invention provides a cord controller to be mounted on a top rail of a window covering. The cord controller includes a base, a cord controlling device, and a cord regulating device. The base has a chamber therein and an inlet and an outlet on opposite sides of the chamber, and the cord controlling device and the cord regulating device are received in the chamber. The cord controlling device has a gap between the inlet and the outlet for the cord to pass through. The cord regulating device is adjacent to the outlet and has cord pressing bar to form a passageway between the cord pressing bar and the base for the cord to pass through. Therefore, the cord controller may avoid the cords twisting and keep a smooth movement of the cords.

Abstract: A belt clamp is disclosed in which, for example, a pair of anti-slipping portions are arranged on a front surface (a surface provided with a toothed portion) at both ends in width direction of a belt body of a belt of the belt clamp. The pair of anti-slipping portions are disposed at a portion of a distal end of the belt body not having a toothed portion and so as not to overlap with the toothed portion in the width direction.

Abstract: A closure or fastener is provided for apparel, shoes, equipment, and other applications. The closure may have a female component having a receiving area and a male component having a locking portion. Either or both the male component and female component may have a notched appearance to provide additional flexibility and comfort to the closure. Flanges on the male components and the female components may facilitate off-registration engagement of the closure system. Textures present or absent in the closure system may permit or prevent sliding by the male components and female components when the closure is engaged.

Abstract: The present invention provides an advancing mechanism for a fixture. The fixture includes an elongated rod, a first jaw and a second jaw. The first jaw and the second jaw are assembled with the elongated rod. The second jaw has a pivotal portion and a grip. A trigger is connected outside the pivotal portion. A front chamber is formed in the pivotal portion for receiving a plurality of clasping pieces and a restoring spring penetrated by the elongated rod. The restoring spring pushes the clasping pieces to synchronously drive a push rod connected to the trigger. Each of the clasping pieces is formed with a groove facing the restoring spring. The restoring spring is formed with a guiding section bent toward the clasping pieces. The guiding section is disposed in the groove to guide the second jaw to advance smoothly.

Abstract: The invention relates to a device for fastening panel-form mats, in particular flexible photovoltaic solar panels, to a supporting structure, having at least one clamping clip (10) in the shape of a section of a profiled body made of plastics material having opposing profiled limbs (12, 14), which form a clamping space (18) therebetween for a holding region (8) of the relevant mat received therein. In the clamping space the profiled limbs (12, 14) rest with a resilient clamping force against the upper face and the lower face of the holding region (8). The profiled limb (14), which in the clamped state rests against the lower face of the holding region (8) facing the supporting structure, forms a fixing surface (26) on the outer face thereof, which is provided with a connecting element (30) for attaching to the supporting structure.

Abstract: A clamp assembly selectively grips material. The clamp assembly is connectable to an object, and includes a housing and a gripping assembly. The housing has a first end, a second end, a first portion and a second portion. The first and second portions cooperate to define a material receiving slot. The first portion of the housing has an angular disposed channel and an angular disposed recessed portion. The second portion of the housing has a gripping surface. The gripping assembly is slidably disposed within the channel such that the recessed portion cooperates with the channel to define a travel path so that the gripping assembly can be selectively movable between a biased first position and a second position. In the biased first position, the gripping assembly extends into the material receiving slot. In the second position the gripping assembly is withdrawn from the material receiving slot.

Abstract: A press-stud comprises a female element having a seat in which is accommodated a resiliently deformable anchoring member (22) which is to anchor a male element in a closed configuration of the stud. The anchoring member is a ring having a flattened cross-section with an inner edge (24) on which are defined substantially freely bending arcuate lips (29) which project in a cantilevered manner from a support wall of the female element (10) by not more than one third of the width of the flattened cross-section of the anchoring ring (22). Preferably, the press-stud has an overall height, in the closed configuration, which does not exceed 2.5 mm, and a ratio between the diameter and the height which is greater than 3.5.

Abstract: A novel technique for the fabrication of a casket dome lid from, for example, Smooth-One-Side (“S1S”) hardboard is disclosed. The invention is also directed to the fabrication of a casket lid which has a domed configuration both in the lateral and longitudinal directions of the lid. The method comprises the steps of providing a lid blank having a first end, second end, and a central region; providing a pair of diagonal voids oriented at corners of the first end of said blank and extending inward toward the central region; placing the lid blank in a vacuum fixture; and flexing the lid blank into a domed configuration via the vacuum fixture, such that the blank is domed in both a longitudinal and a transverse direction.

Abstract: A manufacturing method of a piezoelectric film element includes forming a lower electrode on a substrate, forming a piezoelectric film including a lead-free alkali niobate based compound having a perovskite structure on the lower electrode, forming a mask pattern on the piezoelectric film, dry-etching the piezoelectric film via the mask pattern, removing the mask pattern after the dry etching, and heat-treating the piezoelectric film in an oxidizing atmosphere. A manufacturing method of a piezoelectric device includes forming an upper electrode on the piezoelectric film of the piezoelectric film element formed by the manufacturing method of the piezoelectric film element, and connecting an electric voltage applying means or an electric voltage detecting means to the lower electrode and the upper electrode.

Abstract: A reaction container for manufacturing a capacitor element, in which the liquid level in each individual chamber (compartment) of a container can be adjusted to the same level, adjustment to achieve uniformity of electrolytic solution in each individual chamber can also be performed, and with which a uniform dielectric layer or a uniform semiconductor layer can be formed with respect to a plurality of conductive members in a stable manner while maintaining a constant range of formation thereof. The reaction container (1) for manufacturing a capacitor element includes a container (2) which accommodates electrolytic solution (19) therein, a partitioning frame (3) which can partition the inside of the container (2) into a plurality of individual chambers (9), negative electrode members (6) individually arranged in each of the individual chambers (9), and a constant-current source (7) electrically connected to the cathode members 6.

Abstract: A tool for the installation and removal of suspension springs from appliances such as washing machines includes a handle having an upper end and a base end with a spring installation and removal member pivotally interconnected to the upper end and the base end capable of receiving various extension adapters for adjusting the length of the tool to fit appliances of various makes and designs. The spring installation and removal member includes a manually graspable z-shaped hand lever portion and a spring arm that are coplanar with each other whereupon the base end of the tool, or any of the extension adapters, are fitted on the circular plate of the washing machine and the spring arm is hooked on to the upper end of the suspension springs so that pushing down on the hand lever portion facilitates suspension spring removal and installation.

Abstract: A touch screen mounting mechanism for mounting a touch screen on a housing includes a base, a mounting board fixed on the base, a push element slidably mounted on the base along the vertical direction of the base, drive members fixed on the mounting board and positioning elements slidably mounted on the surface of the mounting board and located around a positioning slot. The mounting board defines a positioning slot for retaining the touch screen and the housing, the push element defines driving wedge walls, the drive members are used to drive the push element to slide, each positioning element defines a following wedge wall resisting on one driving wedge wall, and in mounting, the following wedge walls are pushed by the driving wedge walls to slide towards the center of the positioning slot to position the touch screen and the housing in the correct order.

Abstract: The invention relates to a method for repairing aircraft primary structures. More specifically, the invention relates to a method for repairing damage to the coating of an aircraft fuselage, which coating is made of fiber-reinforced composite material. This method comprises a step consisting of making a cut-out in the fuselage with a substantially parallelepipedal outline around the damages and of drilling a circular hole substantially centered on the intersection of the sides of the outline of the parallelepiped of the cut-out at each of the corners of said outline before the cutting out operation.

Abstract: A method for removal of dents from wind turbine masts uses a dent pushing tool. The dent pushing tool includes a self aligning ram assembly with a central ram cylinder and removable adjustable length arms. At the end of one arm is a curved base. At the end of the other arm is a dent pusher plate. Removal of the dent is caused by extension of the central ram cylinder.

Abstract: A method to assemble an optical assembly is disclosed. The method includes steps of rough and fine alignment between the sleeve member and the J-sleeve, and the alignment of the J-sleeve with the optical device. The rough alignment slides the sleeve member on the J-sleeve as tracing closed loops concentric to each other by alternating a direction of the slide in clockwise and counter clockwise in respective loops.

Abstract: A method of making and using a printer comprising a duplexing unit that pivots along a horizontal plane for media path access. The duplexing unit does not contain any motor driven rollers for moving a media sheet therethrough. The duplexing unit's vertical axis hinge allows the duplexing unit to swing open and closed horizontally.

Abstract: A method of making and using a multifunction printer comprising forming a vertical hinge mechanism in a first end of a printer's cleanout member. A second portion of the hinge mechanism is formed as a hole in a housing of the printer for coupling with the first portion. A third portion of the hinge mechanism is formed as a hole in a scanner portion of the printer also for coupling with the first portion. The cleanout member pivots about the vertical rotational axis formed by the hinge mechanism.

Abstract: A system and method for affixing barbs on a suture are provided. In one embodiment, the system includes a suture supply mechanism for selectively retaining a length of suture and a barb supply mechanism for operably engaging a barb supply assembly including at least one barb. At least one of the suture supply mechanism and the barb supply mechanism are configured to approximate towards the other of the barb supply mechanism and suture supply mechanism to engage the at least one barb of the barb supply assembly with the suture of the suture supply assembly. Also provided are a barb for use in forming a barbed suture and a suture including at least one barb.

Abstract: A method to fit a contact portion in a plug housing by a robot is presented. Steps in the method include attaching a plug housing to a holder and gripping the contact portion by a gripping device of the robot. Other steps in the method include taking at least one spatially resolved picture by at least one optical detection device such that the plug housing and the contact portion are contained in the picture, determining a respective position of the plug housing and the contact portion in the picture by a control unit of the moveable robot, calculating a robot movement by the control unit that is a function of the determined positions, and performing the calculated movement by the robot to fit the contact portion in the plug housing. An apparatus to perform the method and another method to calibrate the control unit of the robot are also presented.

Abstract: A method of manufacturing different shopping cart models is provided. The method includes providing multiple sets of base modules, providing at least one set of tubular side uprights, and selecting a base module from each of the different sets thereof. For each selected base module, selecting a pair of tubular side uprights from any one of the at least one set thereof. For each selected base module, aligning the mounting surfaces of the selected pair of tubular side uprights with the respective mounting surfaces of the selected base module, and securing the mounting surfaces together so that the upper portions of the selected tubular side uprights extend upward from the base module in parallel relation to each other. For each selected base module, mounting at least one shopping cart basket to the tubular side uprights.

Abstract: A privacy screen mounting arrangement for an office system including a bracket which can be secured to a table assembly to clamp a privacy screen against an edge of a work surface of the table assembly. In a table assembly having a back-to-back arrangement of work surfaces with an opening between the work surfaces, a privacy screen mounting arrangement includes a bracket securable beneath one of the work surfaces, with a screen attached to the bracket such that the screen is generally disposed between and above the work surfaces. The mounting arrangements obviate the need to secure brackets directly to the top surface of a work surface using fasteners.

Abstract: An apparatus and kit for stuffing plush toys and a method of stuffing using the device. The apparatus including a stuffing hopper with an inlet for receiving stuffing, an auger housing located below and in communication with the stuffing hopper, a device located in the stuffing hopper for feeding stuffing from the stuffing hopper into the auger housing and a rotatable auger located within the auger housing to feed stuffing out of the apparatus and into a plush toy casing.

Abstract: A method of manufacturing near-rigid connections between beams and columns or posts for use in pallet racking, shelving, channel and z shaped beam to column or post web connections wherein the connectors may be formed from the beam material itself and which may include tangs, teeth, hooks, tines, rivets or other means of engagement of the beam connector with the column or post and wherein the connectors from adjacent beams may be interconnected by a non-integrated load transfer plate to distribute loads over the tangs, teeth, hooks, tines, rivets or fasteners of both beams. Various forms of the invention are disclosed.

Abstract: The present invention is directed to the field of prosthetic devices. More particularly, one embodiment of the present invention is directed to an artificial disc that can be used as a replacement for an intervertebral disc (e.g., a human intervertebral lumbar disc, a human intervertebral cervical disc and/or a human intervertebral thoracic disc).

Abstract: In one embodiment, a vehicle energy absorber system, comprises: blow molded crush lobes that are open on one side, wherein the energy absorber comprises fillets having a fillet radius of less than 20 mm and a thickness of less than or equal to 1.5 mm; a bumper beam adjacent the open side; and a fascia, wherein the energy absorber is located between the fascia and the bumper beam. In one embodiment, a method for making a blow molded energy absorber comprises: introducing a molten plastic to a first mold cavity; introducing gas into the plastic to conform the plastic to the interior of the first mold cavity and form a first preform; and separating the first preform along a centerline thereof to form open, first preform portions having first crush lobes.

Abstract: A device and method for assembling parts, products or machines in a random build order that integrates or combines the delivery of loose components to be assembled on a carriage that itself supports the device being assembled along an assembly line path of travel. The loose parts onboard the carriage that also supports the device being progressively assembled substantially improves the logistics in an assembly plant and efficiency in building the part, product or device, for example a vehicle sheet metal body.

Abstract: A bend restrictor device includes at least two bend limiter units coupled together and having at least one stiffness ring disposed therebetween.

Abstract: The invention relates to a process for producing sheet steel components having regions of differing ductility, in which either a sheet metal plate composed of a hardenable steel alloy is used to produce a component by deep-drawing and the deep-drawn component is then at least partially austenitized by a heat treatment and subsequently quench hardened in a die or the plate is at least partially austenitized by a heat treatment and shaped in the hot state, and is quench hardened during or after this, with the sheet metal plate having a zinc-based cathodic corrosion protection coating, characterized in that in regions of a desired higher ductility of the component, at least one additional sheet is attached to the plate, situated so that during the heat treatment, the plate is heated to a lesser degree there than in the remaining region.

Abstract: A component is provided that includes at least one passageway. In another aspect, a component, such as a lamp or a vehicular washer jet, is made of layers of material, a light curable material and/or multiple built-up materials. Another aspect uses a three-dimensional printing machine to emit material from an ink jet printing head to build up a component.

Abstract: A method for producing a coated pull-out guide for baking ovens, the pull-out guide including a guide rail and at least one of a middle rail and a running rail displaceably supported by rolling elements on the guide rail. The rolling elements are guided along tracks on one or more of the guide rail, middle rail and running rail. The method includes the steps of: assembling the pull-out into a unit including one or more of the guide rail, middle rail, and running rail; cleaning a metal surface of at least one of the rails by one or more of a mechanical and chemical cleaning method; and, applying a coating to the cleaned metal surface.

Abstract: A method for surface treating a golf club head, includes: (a) forming a depression unit in the golf club head, the depression unit being indented inwardly from an outer surface of the golf club head, the outer surface being divided into a working area and a non-working area, the depression unit being formed in the working area; (b) filling the depression unit with a shielding material and covering the non-working area with a covering material; and (c) sandblasting the golf club head after step (b) and removing subsequently the shielding material from the depression unit and the covering material from the non-working area so as to form the working area into sandblasted and non-sandblasted regions that differ in gloss intensity.

Abstract: A method of forming a dual port pressure sensor includes forming a first opening and a second opening in a flag of a lead frame. An encapsulant is molded to hold the lead frame in which the encapsulant is over a top of the flag and a bottom of the flag is uncovered by the encapsulant. A first opening in the encapsulant is aligned with and larger than the first opening in the flag and a second opening in the encapsulant aligned with the second opening in the flag. A pressure sensor transducer is attached to the bottom of the flag to cover the first opening in the flag, wherein the pressure sensor transducer provides an electrically detectable correlation to a pressure differential based on a first pressure received on its top side and a second pressure received on its bottom side. An integrated circuit is attached to the bottom of the flag. The integrated circuit is electrically coupled to the pressure sensor. A lid is attached to the encapsulant to form an enclosure around the bottom of the flag.

Abstract: In a combination of, for example, a rotor having eight magnetic poles and a stator having twelve slots and pulsating components of permeance, which generate a sinusoidal cogging torque having maxima of the same number as the number of poles of the rotor, pressurizing parts arranged in predetermined positions, applying a force at an outer periphery of the stator and directed inwardly cancels the pulsating components of the cogging torque.