Abstract: Improved resistance to temperature-related degradation or deformation in a wafer-supporting chuck is provided by at least one shielding member that physically and/or thermally shields chuck components from effects of elevated temperature processing fluids.

Abstract: A tire holding member for a tire testing machine includes: a bottom rim, which is attached to a bottom spindle that is able to rotate around a central axis in the vertical direction; a top rim, which is disposed above the bottom spindle and which is attached to the bottom end of a top spindle that is able to rotate around the central axis with the bottom spindle; and a convex-sided member. One of the bottom rim or the top rim has a hole with the central axis at the center thereof. The other of the bottom rim or the top rim has an end surface facing the one rim. The bottom rim and the top rim are positioned by each other in a state in which the center of each coincides at the central axis due to the protruding section and the hole engaging with each other.

Abstract: A workpiece holding fixture including a base plate having an engagement surface including a travel slot. A first static riser includes a position control member configured to removably couple a workpiece to the first static riser. A second static riser includes a rotation control member and is configured to removably couple the workpiece to the second static riser. A dynamic riser is configured to abut the workpiece by automatic, semi-automatic, or manual movement into secure engagement with the workpiece. The dynamic riser is slidably coupled with the travel slot and is operable between a plurality of positions associated with workpiece variants having different locating features and geometries.

Abstract: A spin chuck in an apparatus for single wafer wet processing has structures at its periphery that, in combination with a supported wafer, form a series of annular nozzles that direct flowing gas from a chuck-facing surface of the wafer, around the edge of the wafer, and exhaust the gas away from the non-chuck-facing surface of the wafer, thereby preventing treatment fluid applied to the non-chuck-facing surface from contacting the edge region of the wafer. Retaining pins with enlarged heads engage the wafer edge and prevent it from being displaced upwardly when a high flow rate of gas is utilized.

Abstract: A mandrel assembly for a can body can decoration machine is provided. The mandrel assembly includes a bearing assembly that creates a virtual pivot point whereby the mandrel may pivot relative to the supporting mandrel shaft. To allow the mandrel to pivot relative to the mandrel shaft, the bearing assembly is located at one location and is the only contact point between the mandrel and the mandrel shaft.

Abstract: A mandrel assembly for a can body can decoration machine is provided. The mandrel assembly includes a bearing assembly that creates a virtual pivot point whereby the mandrel may pivot relative to the supporting mandrel shaft. To allow the mandrel to pivot relative to the mandrel shaft, the bearing assembly is located at one location and is the only contact point between the mandrel and the mandrel shaft.

Abstract: A workpiece carrier (2) comprises a rotary frame (3) and a driving part (22), both of which are rotatable about a driving axle (4). The rotary frame (3) can be driven by a motor (6), and carries a plurality of workpiece holders (13) which are distributed around the driving axle (4) so as to be rotatable about holder axes. Mounted in the driving part (22) on a mount is a pinion (25) which engages with a stationary central wheel (21) and a ring gear (27) of a transmission part (26), at the centre of which lies an output point (29) which is at a distance of an eccentricity from the driving axle (4). Driving apertures (28) on the transmission part (26), through which driving pins (19) of the workpiece holders (13) project, are also at the distance of the eccentricity from the holder axes.

Abstract: An apparatus for holding a measurement object, particularly an auto body component in a reference position, comprises a clamping device, which can be attached to a carrier head, and which extends over the measurement object and holds it against the carrier head, and comprises a clamping element that can be placed against the measurement object. The clamping device comprises a lockable slide for adjusting the position of the clamping element.

Abstract: An assembly jig includes a first frame adjustably fastened to a vehicle body in the vicinity of a door opening, a second frame with supporting the door of the vehicle, and link arms between the first and second frames that are hinged to the first and second frames so as to form a deformable quadrilateral in association therewith. Hinges between the arms and the frames include at least one ball joint arranged between a carrier element secured to one of the frames or arms and a carried element secured to one of the arms or frames, carrying being relative to the effect of gravity, wherein at least one of the carrier and carried ball joint elements is secured to the corresponding arm or frame in such a manner that the position in three-dimensional space of the center of the ball joint is adjustable in three spatial directions.

Abstract: A support assembly for servicing a stator frame of a power generator includes a plurality of rails and a trolley. The rails are supported on frame rings of a main housing of the stator frame. The rails have upper surfaces that provide temporary support for lower support surfaces of second laminations of a second stator core once the second laminations are inserted into desired axial positions within the main housing. The trolley is provided for axial movement on the upper surfaces of the rails for inserting the second laminations into the main housing. The trolley includes a lamination-engaging portion including a lamination support surface for supporting upper support surfaces of the second laminations and a plurality of rail wheels provided for axial movement of the trolley within the main housing on the upper surfaces of the rails.

Abstract: A machine tool with a workpiece mounting block is provided that permit a plurality of workpieces to be mounted and machined without giving rise to interference between the workpiece or a table and a main spindle. Work mounting section (27) in a shape of square pyramid with four sides serving as workpiece mounting surfaces is fixed to table (17). Main spindle (19) with tool (23) mounted thereon can be moved relative to table (17) in three mutually orthogonal X, Y, and Z-directions, and table (17) can be moved in rotation feed in A and C-directions. Positions of rotation angle of A-axis and C-axis when the workpiece mounting surface is perpendicular to the axis of main spindle (19) are stored in advance in storage mechanisms. When workpieces (33) mounted on the workpiece mounting surfaces are to be machined, a workpiece coordinate system is set based on the stored positions of the rotation angle and NC machining is carried out.

Abstract: A device for introducing an object into a pipe is disclosed. The device includes a guide that is disposed on a pipe and a positioning unit that is movably guided on the pipe in an introduction direction by means of the guide. The positioning unit that supports a carrier that can be introduced into the pipe by moving the positioning device in the introduction direction. The positioning device is coupled to the pipe with a linear one-way clutch operable in a blocked state when the positioning device is moved against the introduction direction.

Abstract: A method and apparatus for producing a magnetic attachment mechanism is described. A method is provided for determining the magnetic field axis of an element prior to machining it. The magnetic field axis can be used as a reference to machine an outer surface of the magnetic element at a desired angle. The method provides a means to more precisely align magnetic field axes of corresponding magnets in a magnetic attachment system.

Abstract: The invention relates to a labelling plant and method for containers. Heat shrinkable sleeves are supplied and containers are supplied. A device for arranging the sleeve around the container will arrange the sleeve in a position with respect to the container. In a heat shrink oven the sleeves are fixed to the container forming the label. A conveyor will transport containers from the container supply and sleeves from the sleeve supply into the heat shrink oven. According to the invention a sleeve support will hold one or more sleeves in a predetermined position with respect to the container. The sleeve support comprises a platform supporting a part of a circumferential edge of the sleeve. Further one or at least two sleeve support elements are arranged to abut on an external side of the sleeve and to support the sleeve in an opened state.

Abstract: A rotary joint includes a shaft, at least one input member defining an input hole rotatably sleeved on the shaft, and a plurality of sealing members positioned between the shaft. the at least one input member and an output member are fixed on the shaft. The shaft, the at least one input member, and the sealing members defines a circular channel cooperatively communicating with the input hole. The output member defines at least one output hole corresponding to the input member. The shaft defines at least one transmission hole intercommunicating the at least one output hole and the circular channel.

Abstract: A device for blocking eyeglass lenses onto blocks using a bonding mass, by which the eyeglass lens is connected to the block in a form-fit and/or force-closed manner, having several stations, between which the eyeglass lens and/or the block is transported, at least one blocking station, in which the block is connected to the eyeglass lens using the bonding mass, a transport arm having a retaining head arranged thereon for positioning the eyeglass lens in the blocking station, wherein the transport arm is designed as a pivot arm and has at least one pivot axis (S1), by means of which the transport arm and the retaining head can be moved between at least two stations, and at least one conveying arm having a retainer for the block or an eyeglass lens, wherein the conveying arm has a pivot axis (S2), which is arranged parallel or coaxial to the pivot axis (S1) and by which the retainer can be moved between at least two stations.

Abstract: A work inspector and carrier includes a carrier unit (40, 50, 60) for carrying a workpiece from a carry-in area to a carry-out area, and an inspection unit (70) for performing a predetermined inspection on the workpiece. The carrier unit is formed so as to move the inspection unit (70) together with the workpiece in order to carry the workpiece from the carry-in area to the carry-out area while performing the inspection by the inspection unit. When carrying the workpiece from the carry-in area to the carry-out area, the inspection unit performs the predetermined inspection on the workpiece while being moved together with the workpiece. Thus, the overall time required for inspection and transportation can be reduced.

Abstract: Methods and apparatus for processing substrates are provided herein. In some embodiments, an apparatus includes a process kit, the process kit comprising a first ring to support a substrate proximate a peripheral edge of the substrate; a second ring disposed about the first ring; and a path formed between the first and second rings that allows the first ring to rotate with respect to the second ring, wherein the path substantially prevents light from travelling between a first volume disposed below the first and second rings and a second volume disposed above the first and second rings.

Abstract: A clamping module for a clamping device with a housing which accommodates a drive device which transfers at least one clamping jaw from a starting position to a clamping position, wherein at least one solid body joint is provided between the drive device and the at least one clamping jaw, the solid body joint being elastically resilient in the direction of a clamping movement of the clamping jaw. A clamping device comprises at least one clamping module and/or a positioning module.

Abstract: An apparatus for lightening of thin, flexible and shaped workpieces by removal machining of material from surfaces thereof, on a machining unit has a worktable and counterthrust means, which rest against a part of the surface of the workpiece opposed to the one on which said tool must work. The worktable includes supporting means of the workpiece to be machined, and gripping means designed to support the workpiece during its machining independently from said supporting means. The counterthrust means include a board movable according to several axes and carrying a plurality of supporting elements. The supporting elements can be individually translated or in groups between a draw-in position and an extended position to define a supporting plane depending on the shape of the surface of the workpiece against which the counterthrust means must rest. A method is also included for mapping the workpiece surface by means of the supporting elements.

Abstract: A coating device includes a chamber, an evaporative source, a coating holder, and a supporting structure. The evaporative source is positioned at the bottom of the chamber. The coating holder is positioned at the top of the chamber and includes concentric annular parts with different diameters, and drive devices connected to the annular parts correspondingly. The drive devices are configured to move the annular parts along axial directions of the annular parts. Each annular part includes a bottom board defining receiving holes for receiving lenses. The supporting structure is positioned at the top of the chamber and supports the drive devices.

Abstract: The invention concerns a clamping system for the clamping of workpieces, wherein clamping means can be moved by a small spacing relative to a stationary affixing block, so as to be able to clamp a workpiece independently of a fastening grid prespecified on a machine tool or to compensate for a distance change between clamping components located on the workpiece, so that a zero point previously defined on the workpiece again coincides after a renewed clamping with clamping components whose distances were changed.

Abstract: An inspection device includes a base to receive an electronic device, a supporting member, a first adjustment member, a second adjustment member, and an inspecting member installed on the second adjustment member. The supporting member includes a horizontal plate movable relative to the base, a guideway fixed on the horizontal plate, and a guiding block movably mounted on the guideway. The first adjustment member includes a fixing plate fixed on the guiding block, and an adjusting plate rotatably attached to the fixing plate, and movable and rotatable relative to the base. The second adjustment member is fixed on the adjusting plate. Movement and rotation of the adjusting plate relative to the base allow movement and rotation of the second adjustment member relative to the base to allow movement and rotation of the inspecting member relative to the electronic device.

Abstract: Manufacturing spectacle lenses using lens blanks blocked onto holding elements is laborious and time-consuming. Furthermore the manufacture is rendered difficult by different surface curvatures on the receiving side of the lens blanks. The purpose of the invention is to remedy such drawbacks. Accordingly this invention relates to equipment for processing lens blanks comprising a workpiece turret supported rotatably about a main axis of rotation, said turret being fitted with at least two workpiece receptacles configured each outside the main axis of rotation and being rotatable about spindle axes, each workpiece receptacle comprising a workpiece receiving surface having a surface curvature rotationally symmetrical about the spindle axis, whereby said surface curvatures of the workpiece receiving surfaces being different from each other.

Abstract: An assembly comprises a platform including a first clamping surface, a track proximate to an edge of the first clamping surface, and a clamp mechanism including a second clamping surface. The clamp mechanism is configured to clamp a workpiece between the first clamping surface and the second clamping surface. The clamp mechanism is mounted to the track. The clamp mechanism is positionable at different locations along the track. The assembly may further comprise one or more adjustable spacer blocks mountable to the track to facilitate precisely positioning a workpiece proximate to the track at least two different spacings.

Abstract: The mechanism for a machine for stapling two moldings (21, 22) comprises a surface (10), for supporting the moldings (21, 22), and a linkage for operating two jaws (6, 7) in a functional plane (25) essentially parallel to the surface (10) in order to push the two respective moldings (21, 22) sideways towards respective functional positions against two respective side stops (2, 3) that extend in mutually inclined directions, and in order thereafter following the stapling, to draw back from the stops (2, 3) and return to a rest position; the linkage comprising elevating elements designed to move the jaws (6, 7), under the action of drive elements (50, 51), in a direction (70) perpendicular to the functional plane (25), so that the jaws (6, 7) are thus retracted, in the rest position, out of the functional plane (25).

Abstract: A machine tool (11) according to the present invention includes a table (49) having a pallet mount on which a pallet for a workpiece to be mounted thereon is mounted, a pallet station (17) provided on the side of the machine tool and having a pallet rest for a pallet to be placed thereon, and a pallet carrying device (19) arranged between the table (49) and a column (23). The pallet is carried between the table (49) and the pallet station (17).

Abstract: A clamping device in a main shaft driving device for a machine tool, in which the main shaft driving device rotationally driving a main shaft by a driving device, the clamping device includes: a braking member provided at a side of the frame and including a pressure-receiving surface and a braking portion; a pressure chamber formed by the pressure-receiving surface and the frame; and an operating fluid supplying mechanism provided for supplying the operating fluid from an operating fluid supply source to the pressure chamber. The press-contact force is caused to act upon the main shaft. The operating fluid supplying mechanism includes a switching portion that selectively supplies the operating fluid. The braking member is formed so that the braking portion causes the press-contact forces that differ from each other.

Abstract: A movable table, which has a substrate to be processed mounted thereon and moves, includes: a main plate formed of a metallic material; and a plurality of sub plates which is disposed on the main plate and is formed of a material with a hardness higher than the metallic material, and the top surfaces of the plurality of sub plates are mounting surfaces of the substrate to be processed.

Abstract: An equipment for coating an airfoil of a turbine blade of a turbine engine in a coating block, including a base on which a molding block is positioned for flow of the coating metal, the molding block including a cavity defining a reference plane on the block for positioning the block in space, wherein the base also includes a cradle supporting the blade via six bearing points defining an orientation plane representative of an angular position of the airfoil relative to a root of the blade. The cradle is rotatably movable relative to the base about an axis oriented so as to be substantially parallel to a direction of a leading edge of the blade, to enable a modification in an angle formed between the reference and orientation planes.

Abstract: A blower for use to accelerate combustion by providing additional air to a fire (e.g., to assist in the lighting of a fire). The blower may include a cylindrical housing having an inlet opening and an outlet opening with a bore extending therebetween. A fan assembly and power source may be disposed in the bore and be operable to induce air flow through the bore. Air exiting the outlet opening may travel in a direction substantially parallel with a central axis of the cylindrical housing. The blower may be supported by an infinitely adjustable flexible member that may be manipulated to position the blower with respect to the fire to provide outlet air to the fire.

Abstract: An aligner, chuck, and end effector for substrate processing are provided. The aligner includes a rotatable substrate support having a surface for supporting the substrate. The rotatable substrate support has a diameter less than a diameter of the substrate and surfaces of the rotatable substrate support are coated with a coating consisting essentially of a poly(p-xylylene) polymer. The chuck includes a flat platform that supports the substrate during processing. The chuck is larger than the substrate and may include holes though which lift pins can pass assist the loading/unloading of the substrate. The end effector includes an arm supporting a first extension and a second extension, wherein the arm, the first extension and the second extension are coated with a coating consisting essentially of a poly(p-xylylene) polymer.

Abstract: A clamping mechanism for surface blasting of workpieces includes a base seat, a following assembly and a linking assembly. The following assembly is mounted on the base seat. The linking assembly is mounted on the following assembly, in which the linking assembly includes a lower rod, an upper rod, at least two linking bars and a plurality of loading members; the lower rod, the upper rod and the at least two linking rods cooperatively forming a four-bar linkage mechanism. The plurality of loading members are fixed to the at least two linking bars, such that the plurality of loading members are capable of turning over workpieces for surface blasting without requiring any positional readjustment of the workpieces by hand.

Abstract: An apparatus and associated method for orienting a workpiece during processing. A fixture supports the workpiece adjacent a noncontacting biaser. At least one of the fixture and the biaser are selectively movable in a first direction with respect to the other. The biaser directs a first magnetic force capable of moving the workpiece relative to the fixture in a different second direction without physical contact between the biaser and the workpiece during a travel path segment of movement between the fixture and the biaser. The biaser further directs a second magnetic force capable of moving the workpiece relative to the fixture in a third direction, that is different than the second direction, without physical contact between the biaser and the workpiece during a subportion of the travel path segment of movement between the fixture and the biaser.

Abstract: A side home-position device for a vehicle body assembly system for various vehicle types is disclosed, which can be used to return a common use side jig that controls a side panel to a working position of a main buck process. The device includes a post frame that is disposed in a vertical direction corresponding to the working position, a moving member that is movably disposed at the post frame in a width direction of a vehicle body and substantially supports the common use side jig, a main control unit in connection with the moving member and which returns the common use side jig to an original position, a clamper disposed on the moving member which clamps a matching portion of the common use side jig for the moving member, and an operating portion disposed at the post frame and which moves the moving member in a width direction of the vehicle body.

Abstract: A rotary table device includes a cooling structure and a rotary bearing provided with a cooling structure. A rotary table device provided with a cooling structure includes a hollow motor as a drive source, a table rotated by the hollow motor, and a rotary bearing supporting rotational motion of the table, in which the rotary bearing includes an outer ring having an inner peripheral surface to which a rolling surface is formed, an inner ring having an outer peripheral surface to which a rolling surface facing the rolling surface of the outer ring is formed, and a number of rolling members in a rolling passage formed by the rolling surface of the outer ring and the rolling surface of the inner ring, and a heat sink is formed to either one of the inner and outer rings.

Abstract: A common CRP cart for multiple vehicle models is disclosed. The common CRP cart may clamp a cowl panel, a roof rail and a package tray for assembling a vehicle body, and may move upwardly and downwardly at a working room for a build-up process. The common CRP cart may include a frame; a first aligning unit connected to one portion of the frame for clamping a cowl panel of various vehicle models having different specifications; a second aligning unit connected to another portion of the frame for clamping a roof rail of various vehicle models having different specifications; and a third aligning unit connected to the other portion of the frame for clamping a package tray of various vehicle models having different specifications.

Abstract: Disclosed is an apparatus for clamping a panel comprising: a base frame; first movable units mounted on left and right portions of the base frame and adapted to reciprocate first sliding plates between the left and right; second movable units mounted on front and rear portions of the base frame between the first movable units and adapted to reciprocate second sliding plates between the front and rear; first clamping units movable between the left and right through the first sliding plates, and movable upward and downward through first vertically-movable means; a second clamping unit movable between the front and rear through the second sliding plate and movable upward and downward through second vertically-movable means; and a third clamping unit movable between the front and rear through the second sliding plate and movable upward and downward through third vertically-movable means.

Abstract: A substrate processing apparatus including a transfer unit for transferring, under reduced pressure, a laminate including a wafer and a support plate which are bonded to each other and supported by use of support pins that supports an inner periphery of a first surface of the wafer, the first surface being opposite to a second surface of the wafer onto which a second surface the support plate is bonded.

Abstract: It is described a clamping system (30) of special conductors (S1, S2, S3) for a stator or rotor bar winding (U1, S1, S2, S3) for an electric machine, such as connection terminals (S1), jumpers (S2), neutrals or star points (S3), etc. The system (30) allows the special conductors (S1, S2, S3) to be clamped during a twisting step and/or a step of picking up such conductors from a twisting device (250). The system comprises a system axis (T-T), a plurality of grippers (10) aligned or able to be aligned along a circumference lying on a plane substantially perpendicular to the system axis (T-T) and actuation elements (50, 60, 70, 80, 90) of the grippers (10). Each gripper includes a pair of jaws (32, 33) mounted so as to be mobile in a plane transversal to said system axis (T-T).

Abstract: An assembly for mounting components on a vessel having a boss with an adapter and a method of attaching. In one embodiment, the assembly includes an adjustable frame including a support positioned between a first end and a second end, a fixed clamping device attached to the first end of the frame and including a lower plate and pivotally attached upper plate such that at least one of the lower and upper plates has a shaped jaw formed therein to hold a first adapter. The assembly further includes a rotatable clamping device made up of a lower clamping plate along with a lower plate rotatably attached to the lower clamping plate, and an upper plate pivotally attached to the lower plate. At least one of the lower and upper plates have a jaw formed therein to hold a second adapter.

Abstract: An embodiment of a multiple axis positioner comprises a main headstock that has a main hollow bore. A main indexing table is attached to the main headstock. The main indexing table has a through-hole near the its center. The through-hole aligns or is substantially coaxial with the main hollow bore of the main headstock. The embodiment of the multiple axis positioner further includes at least three minor headstocks mounted to the main indexing table. The at least three minor headstocks have minor hollow bores.

Abstract: There is disclosed an elevator for holding a workpiece, the elevator comprising a turntable and adapted to slide along a support chain to thereby vertically displace the elevator. There is further disclosed a method of assembling a workpiece, the method comprising the steps of stacking first and second workpiece sections on a turntable elevator; and sliding the elevator along a support chain to thereby vertically position the workpiece.

Abstract: An apparatus is disclosed for holding a flat object. The apparatus includes a post, a supporting mechanism movably connected to the post, a clamping mechanism pivotally connected to the post, and a linking element for linking the supporting mechanism and the clamping mechanism together. Thus, the flat object is clamped by the clamping mechanism clamps when the flat object is supported on the supporting mechanism.

Abstract: A coordinate measuring machine includes a three-dimension precision transfer equipment and a measuring equipment that measures an object. The three-dimension precision transfer equipment includes a movable body, first to third driving bodies, first to third drive mechanisms that drive to move the first to third driving bodies forward and backward in a first direction, a second direction and a vertical direction that are mutually orthogonal, and first to third laser interferometers that detect a displacement of the movable body. The first to third driving bodies include first to third joints that forms a static-pressure clearance between the first to third driving bodies and the movable body. Laser paths of the first to third laser interferometers extend in a manner to respectively penetrate the first to third driving bodies and the first to third joints.

Abstract: An apparatus for assembling a miniaturized device includes a manipulator system including six manipulators operable to position and orient components of the miniaturized device with submicron precision and micron-level accuracy. The manipulator system includes a first plurality of motorized axes, a second plurality of manual axes, and force and torque and sensors. Each of the six manipulators includes at least one translation stage, at least one rotation stage, tooling attached to the at least one translation stage or the at least one rotation stage, and an attachment mechanism disposed at a distal end of the tooling and operable to attach at least a portion of the miniaturized device to the tooling. The apparatus also includes an optical coordinate-measuring machine (OCMM) including a machine-vision system, a laser-based distance-measuring probe, and a touch probe. The apparatus also includes an operator control system coupled to the manipulator system and the OCMM.

Abstract: A pen barrel assembling device includes a base with a first frame and a second frame fixed to the top of two ends of the base. A movable rod extends through the first frame and fixed to the first frame by a first fixing bolt. An end part is connected to the first end of the movable rod and the outer section is positioned in the end part. A push rod extends through the second frame and is movable toward the movable rod by pivoting a lever. The metal section is connected to the free end of the push rod. Multiple blocks are pivotably or slidably connected to the base and each block includes an engaging recess which is removably engaged with the movable rod.

Abstract: A centering device (1) for flat workpieces, especially sheet-metal blanks to be processed in a press, comprises a first table, which can be rotated about a first vertical axis, for receiving a workpiece and a second table, which can be rotated about a second vertical axis, for receiving a workpiece. The second table is arranged to the side of the first table, and a support level of the first table coincides substantially with a support level of the second table. The device furthermore comprises a rotation mechanism coupled mechanically to the first table and to the second table allowing the first and the second tables to be rotated jointly about a third vertical axis to form a common supporting surface. In an alternative operating mode, the tables are rotated individually about the spaced vertical axes of rotation and thus move relative to one another.

Abstract: Methods and apparatus for rapid thermal processing of a planar substrate including axially aligning the substrate with a substrate support or with an empirically determined position are described. The methods and apparatus include a sensor system that determines the relative orientations of the substrate and the substrate support.

Abstract: A positioner includes a housing, a table, a drive portion, a cylinder, a first winder, and a first cord. The cylinder includes a first opening at the rotation center of the table, and a second opening opposite and connected to the first opening. The first winder is disposed outside the second opening of the cylinder. The first cord includes a first lead-out portion and a first wound portion. The first lead-out portion enters the second opening, passes through the cylinder, and is led out from the table. The first wound portion is wound around the first winder according to the rotation of the table. Thus, the positioner can increase the number of air tubes or wires led out onto the table without increasing its size.