Abstract: To provide work processing apparatus capable of positioning and stably supporting various types of works of different shapes and capable of performing processing effectively by supporting a work in an arbitrary posture. A work processing apparatus positions a reference support member to a center portion of a work, moves support members in directions in which they approach and separate from each other and an up-down direction in accordance with supporting portions of the work, and performs required processing by controlling movement of a work processing section in a state where the work is supported in a given posture by the reference support member and two support members.

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: The present invention provides a device for manufacturing alignment film, which includes: a heat-dissipating board, a coated substrate and a support rack, the coated substrate being disposed above the heat-dissipating board, the support rack being movable, further comprising supporting part and drive unit, the supporting part supporting the coated substrate and drive unit driving supporting part to default positions. The device for manufacturing alignment film of the present invention has the advantage of adaptability to various alignment film manufacturing processes, and manufactured alignment film has no defects of halo area and mura.

Abstract: An X-Y table includes a platform and a frame which has an X and Y-truck trough. An X-plane truck is slideably held in the X-truck trough. A Y-plane truck is slideably held in the Y-truck trough. As the motor/actuator with drive mechanisms moves the frame in an X-direction the Y-truck moves through the Y-trough and as the motor/actuator with drive mechanisms moves the frame in a Y-direction the X-truck moves through the X-trough, thereby moving the frame in both the X-direction and the Y-direction.

Abstract: A workpiece holding fixture for receiving a workpiece and for use in a device for the machining of a workpiece with: a tool holding fixture for receiving the tool, a workpiece holding fixture for receiving the workpiece, characterised in that, during the machining, at least one first oscillation component in a Z-direction and a second, in particular simultaneous, oscillation component in the X- and/or Y-direction can be introduced by means of oscillation components.

Abstract: A press molding die structure having a paired press lower die and press upper die that are relatively movable to each other in which a work transferred into a portion between the press lower die and the press upper die is press-molded thereby to form a molded work. A concave portion is formed to a molding surface of the press lower die, and a suction cup of a vacuum stabilizer is provided to the concave portion formed to the molding surface of the press lower die, wherein the suction cup elastically sucks and retains the work at least at a time when the press molding dies are opened, thereby stabilizing a posture of the work.

Abstract: A positioning apparatus and a working system which can position a workpiece with better accuracy at a lower cost and in a reduced space even when the workpiece is heavy are provided. The positioning apparatus has 3 robot arms (1)-(3) each having an arm and an actuator which drives the arm, a mounting platform (5) which is supported by the ends of the three robot arms (1)-(3), a securing jig (6) which secures a workpiece W which is mounted on the mounting platform (5) to the mounting platform (5), and a controller (9) which controls the operation of each of the actuators.

Abstract: Disclosed are stent holding devices having a support mandrel and one or more stent retaining fixtures disposed on the mandrel. The retaining fixture may include a character identifier to facilitate tracking a stent mounted on the holding device. The retaining fixture may include a conical protrusion and a conical recess to allow any number of retaining fixtures to engage each other and be stacked on the mandrel. The retaining fixture may include a tubular member having a spiral cut that enables the diameter of the tubular member to be adjusted to allow for a frictional fit on the mandrel. The retaining fixture may have a Z-shaped or T-shaped structure configured to retain a stent. The stent retaining fixture may also have a filament for retaining a stent.

Abstract: The present invention provides a positioning and pressing device, a pressing device and a tool for auxiliary machining of motor train underframe, the positioning and pressing device comprises a crossbeam, two supporting frames, two rotary vertical pressing structures, a lateral positioning structure, a lateral holding structure and two adjustable intermediate supporting structures; the two supporting frames are mounted in sliding manner on two sides of the upper surface of the crossbeam; the two rotary vertical pressing structures are respectively mounted on the tops of the two supporting frames; the lateral positioning structure is mounted on the side of one of the two supporting frames; the lateral holding structure is mounted on the side of the other one of the two supporting frames; and the two adjustable intermediate supporting structures are mounted on the upper surface of the crossbeam and between the two supporting frames.

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 XY stage device having an X-axis movable body which moves in the X-axis direction on a platen, and a Y-axis movable body which moves in the Y-axis direction on the platen and guides the movement of the X-axis movable body in the X-axis direction. The XY stage device includes a pair of actuators which can be provided so as to be separated from each other in the X-axis direction, and drives the Y-axis movable body in the Y-axis direction, a detector which detects the yawing angle that can be the angle of the Y-axis movable body in a rotational direction around the Z-axis, a controller which controls the driving of the pair of actuators on the basis of the yawing angle detected by the detector, and a pair of supporters which supports the Y-axis movable body on the platen.

Abstract: An adjustable height turntable device includes a base unit having a mechanical pump and a release actuator, the base unit acting to position a telescoping shaft in a vertical orientation. An elongated, generally planar cake tray is removably secured to the top of the telescoping shaft, and a pneumatic lifting system positioned within the base unit acts to raise and lower the height of the cake tray.

Abstract: A modular assembly table for supporting industrial fixtures and tooling for manufacturing and assembling various workpieces. The modular assembly table may provide a support structure having a base and an upright framing structure connected to the base. At least one guide rod is connected to and supported by the support structure. A fixture plate and an extension plate may be slidably connected to the at least one guide rod. A rigid connector is attached to the fixture plate and the extension plate for maintaining a predetermined distance between the fixture plate and the extension plate. At least one linear actuator may be connected to the support structure and the fixture plate for linearly adjusting the position of the fixture plate on the at least one guide rod.

Abstract: A workpiece support apparatus is provided with a plurality of support members. The support members support a workpiece. Each support member moves along a moving path to a machining position while the support member is held at a first holding position for supporting the workpiece or a second holding position which is spaced apart from the first holding position. At least one support member is displaced from the first holding position to the second holding position or from the second holding position to the first holding position along a machining trajectory, before the support member arrives at the machining position whenever each support member is moved to the machining position.

Abstract: This disclosure includes a system for aligning an unmounted head gimbal assembly (HGA) comprising a platform for a base plate of the HGA. The platform defines an X-Y plane. The system further comprises a compliant alignment pin extending beyond the platform in a Z-dimension perpendicular to the X-Y plane. The compliant alignment pin includes a tapered portion having a maximum diameter larger than a diameter of a boss hole in the base plate of the HGA. The compliant alignment pin is deflectable in the Z-dimension to allow the base plate of the HGA to register with the platform. The system further comprises a second alignment pin extending beyond the platform in the Z-dimension. The second alignment pin is configured to register with an HGA reference feature of the HGA when the boss hole of the HGA registers with the compliant alignment pin to precisely align the HGA relative to the compliant alignment pin and the second alignment pin.

Abstract: Provided is a positioning device for positioning a runner system. The positioning device includes a retainer and a bearing bolt. The retainer includes a first surface and a second surface. The first surface defines a stepped hole on the first surface. The bearing bolt includes a connection portion and a location portion connected to the connection portion. The location portion is substantially in shape of a truncated-cone, and includes a free end, a connection end away from the free end, and a ring outer surface connected with the free end and the connection end. The ring outer surface is sloped. The diameter of the ring outer surface reduces from the connection end to the free end.

Abstract: A support for an object, e.g., a semiconductor substrate, includes a main body having a surface configured and arranged to have a plurality of projections. Each of the projections has an associated electrostatic actuator for displacing a free end of the associated projection relative to the main body at least in a direction in a plane parallel to a main surface of the object.

Abstract: Disclosed herein is a rotary jig for battery cells to successively manufacture battery cells having different sizes including a main body configured to have a hexahedral structure having a rotary rod mounted at a lower end thereof, the main body being provided at sides thereof with mounting frames having sizes corresponding to sizes of battery cells so that the battery cells can be uprightly mounted in the mounting frames in a state in which electrode terminals of the battery cells are exposed upward, a die disposed at a lower end of the main body, the die connected to the rotary rod so that the die can be rotated manually or by a rotary motor, and support members formed at the die to support the mounting frames of the main body and the battery cells mounted in the mounting frames, wherein the rotary rod is rotated so that resistance welding is performed with respect to a portion of one of battery cells to be welded using a welding rod located above the battery cell in a state in which the battery cells are m

Abstract: A system for positioning an object includes a base and a platform for detachably retaining the object. A first linear actuator is pivotably coupled to a first pivot axis of the platform and a first pivot axis of the base. A second and a third linear actuator are pivotably coupled to a second pivot axis of the base and the first pivot axis of the platform. A fourth linear actuator is pivotably coupled to the second pivot axis of the base and a second pivot axis of the platform. The first, second, third and fourth linear actuators being selectably adjustable in length to position the platform at a select position about a predetermined arc of travel.

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: A substrate processing apparatus includes a table, an eccentric cam mechanism, a reference mark, an imaging unit, and a controller. The table is for positioning a substrate. The eccentric cam mechanism includes an eccentric cam configured to move the table by a rotation. The reference mark moves in accordance with a movement of the table. The imaging unit is configured to image the reference mark. The controller is configured to rotate the eccentric cam to move the table, image the reference mark moving in accordance with the movement of the table by the imaging unit to measure a movement amount of the table with respect to the rotation of the eccentric cam, and rotate the eccentric cam in accordance with the measured movement amount to position the substrate at a time of positioning the substrate.

Abstract: A lens dewaxing device includes a platform, a heating plate, a first linear actuator, a second linear actuator, and an operating plate. The platform includes a base and a support positioned on the base. The heating plate is positioned on the base. The first linear actuator includes a first rail fixed to the support, in parallel with the heating plate, and a first slider slidably riding on the first rail. The second linear actuator includes a second rail and a second slider slidably riding on the second rail. The second slider is connected to the first slider in such a way that the second rail is perpendicular to the heating plate. The operating plate is fixed to the second rail at an end far from the first linear actuator and in parallel with the heating plate.

Abstract: According to one aspect of the invention, an apparatus for servicing a turbine component is provided where the apparatus includes a bench member configured to receive the turbine component and at least one clamping device extending from the bench member to secure the turbine component. The apparatus further includes a bracket coupled to the bench member, wherein the bracket is configured to be coupled to a stand and to support the bench member and turbine component.

Abstract: A workpiece-positioning device includes a workpiece holder of holding a workpiece, a workpiece holder up/down mechanism of moving the workpiece holder up and down, and a free pallet movement mechanism of freely moving a pallet parallel to a reference plane to shift the pallet to a position where the workpiece held by the workpiece holder is lowered so that a positioning pin of the pallet is inserted into a positioning hole made in the workpiece.

Abstract: A wafer tray which holds a semiconductor wafer includes a wafer set plate on which the semiconductor wafer is set, a tray body which supports the wafer set plate to be able to finely move, and a vibration actuator which imparts vibration to the wafer set plate.

Abstract: An adjustable fixture comprises a clamping board used to mount a workpiece thereon, a hollow telescopic sleeve, a latching assembly, a telescopic shaft, and a fastening seat. The clamping board is fastened to the telescopic sleeve. The telescopic sleeve slidably receives the telescopic shaft therein. The latching assembly is mounted on the telescopic shaft and resists an interior wall of the telescopic sleeve to position the telescopic shaft relative to the telescopic sleeve. The telescopic shaft is rotatably mounted on the fastening seat.

Abstract: Provided is a clamping device such that improvement can be made in the degree of freedom of machining and the degree of freedom in dealing with the shape of the workpiece. This clamping device (1) serves to secure the workpiece, and is provided with a first grip section (12) which is disposed on an inner surface of a frame body (11) and has a plurality of protrusions (123) that project inward; a second grip section (13) which is disposed on a different inner surface of the frame body (11) and has a plurality of protrusions (133) that project inward, said different inner surface facing the inner surface whereon the first grip section (12) is disposed; and a grip section driving section (14) which moves the first grip section (12) and the second grip section (13) in a direction approaching each other or in a direction moving away from each other.

Abstract: An apparatus for turning over an article (12) in a vacuum coating system includes a holder (10) for the article (12), which is mounted rotatably about an axis of rotation (23) on a carrier. The apparatus further includes a turnover device (2, 4, 28) turning over the holder (10) by rotation about the axis of rotation (23) by utilizing a force generator. The turnover device (2, 4, 28) generates a force which turns over the holder (10) without mechanical coupling and without movable mechanical components between the turnover device (2, 4, 28) and the holder (10). A method of turning over an article (12) and for using the device or the method for turning over, in particular a plastic ophthalmic lens (12), is also disclosed.

Abstract: A disc holding apparatus including a plurality of movable holding claws, which have a holding section abutting to the outer circumference of a wafer having a notch and are arranged in the circumference direction of the wafer. The wafer is held by having each holding section on the inner edge side of each movable holding claw abut to the outer circumference of the wafer, thereby, at the time of detecting the notch by a sensor including a light source and a light receiving section, even when one of the holding sections abuts to the outer circumference of the wafer at a part where the notch exists, light from the light source is permitted to enter the light receiving section through the notch without being blocked by the holding section. Even when the wafer is held at the part where the notch exists, the wafer is not required to be correctly held again and throughput is improved with a shortened process time.

Abstract: In oscillating an oscillating body, a control unit obtains a load torque due to the gravity acting on a drive motor at least at one angular position defined about an axis of rotation. The control unit calculates a specified maximum acceleration depending upon if the load torque Q is acting in a direction in which it hinders the acceleration or deceleration of the drive motor 15 or is acting in a direction in which it assists the acceleration or deceleration. An acceleration for the oscillating body is set so as not to be greater than the calculated specified maximum acceleration. The control unit adjusts the acceleration of the oscillating body depending upon the load torque of when the oscillating body 13 is accelerating or decelerating.

Abstract: System for positioning a component on a frame relative to a reference. It comprises a ball assembly (4), composed of a rod (6), a ball (8) fixed to the rod (6) and a ball joint clamping system (10, 12) mounted on the rod to fix the ball assembly relative to the component; a vee assembly composed of a rod (16), a vee (18) fixed to the rod (16) and a ball joint clamping system (20, 22) mounted on the rod to fix the vee assembly relative to the frame; an elastic connecting element (26) to keep the ball (8) in contact with the vee (18).

Abstract: An apparatus for the thermal processing of a workpiece with a thermal processing tool that is adjustable perpendicularly to the workpiece surface has a drive for adjusting the work distance. The drive is in operative communication with the processing tool or part of it, and is configured as a voice coil actuator, comprising a magnet producing a magnetic field, and a coil in the magnetic field. The magnet and coil are movable relative to each other along a movement axis in response to an electric current. To provide a drive for a thermal processing machine that affords a compact structural form and high machine dynamics, the magnet has a cavity, which has arranged therein the processing tool, or a part thereof, which is mechanically connected to the voice coil actuator.

Abstract: The invention relates to a steady rest for clamping and/or for holding a workpiece (W) on a machine tool, comprising three holding members (3, 4, 5) mounted in a housing (2) and displaceable in a common plane, two of which are designed as two-armed levers pivotably supported in the housing (2), and the central holding member (5) is guided in a straight line. The two outer holding members (3, 4) are kinematically connected respectively to the central holding member (5) via an angle lever (10, 11) so that with an opening movement of the central holding member (5) the outer holding members (3, 4) are pivoted apart from one another. The angle levers (10, 11) are linked rotatably onto the central holding member (5), respectively the one leg of the angle levers (10, 11) being connected to the associated outer holding member (3, 4), and the other leg being connected to the housing (2) by means of gate/pin arrangements.

Abstract: A machine tool having a machine frame and a workpiece table. It is provided that the workpiece table (5), on one of its sides (14), is held on the machine frame (2) by a holding device (4), the holding device (4) having at least two holding elements (6, 7), which are spaced apart from one another on the said side (14) of the workpiece table (5) and which are disposed at differing height positions (9, 10), such that an upper and a lower holding element (6, 7) is realized, and at least one of the holding elements (6, 7) being equipped with at least one piezo actuator (24) for altering its length and, associated therewith, influencing the position of the workpiece table.

Abstract: A clay model support device includes a base, a support frame connected with the base, and a panel connected with the support frame. The base includes a lower surface configured to engage an associated horizontal floor surface. The support frame is pivotable with respect to the base about a generally horizontal axis. The panel is configured to support an associated clay model.

Abstract: A fine positioner module is used to perform fine positioning of a device that is pressing against a work surface. In some embodiments, the fine positioner module includes a contact member for making contact with a work surface, a position adjustor for using the contact member to move the device along the work surface, and an actuator for relieving pressure of the device against the work surface while the contact member is used to move the device along the work surface.

Abstract: A workpiece elevating support device which can be utilized by being installed in a carriage-type conveying apparatus for conveying an automobile body while changing the height thereof in each section in an automobile assembly line. The workpiece elevating support device includes at least two center-folding double link mechanisms arranged in parallel on a base, each of which is composed of a lower parallel link, an intermediate link member, an upper parallel link, and an upper link member. The upper link member is consecutively provided with a workpiece support. There is juxtaposed a lock means to hold the center-folding double link mechanisms in an expanding-rising posture, which is taken when the upper link members are vertically raised to a predetermined height.

Abstract: An automatic soldering machine includes a frame assembly, an electric iron and a movable module fixed on the frame assembly. The movable module is used for making the electric iron connected with the movable module randomly move to a specified position at a predetermined area. The movable module includes a first driving unit having a first leading element movable along a first axis, a second driving unit having a second leading element movable along a second axis perpendicular to the first axis, a third driving unit having a third leading element movable along a third axis perpendicular to the first and second axis and a rotating unit capable of rotating around an axis thereof. The third driving unit is connected with the first leading element. The second driving unit is connected with the third leading element. The rotating unit is connected with the second leading element.

Abstract: A fabrication line that utilizes a jig pallet that is commonly used in processing equipment to efficiently finish and assemble semifinished products of plural shapes. The jig pallet includes a holding member D for holding a semifinished product W and an opening/closing device G1 for opening and closing the holding member D, and allows the semifinished product W to be mounted and dismounted by opening and closing the holding member D with the opening/closing device G1. The jig pallet is transported to processing equipment M1, M2, and M3 to allow the semifinished product to be processed in the fabrication line. An opening/closing driving device G2 that engages the opening/closing device G1 to open and close the holding member is provided along the fabrication line.

Abstract: A vehicle body moving cart is provided which includes a base frame and first moving units that are installed at the front, rear and center of the base frame, respectively. The first moving units are configured to reciprocate first sliding plates forward and rearward on the base frame, respectively. In addition to the first moving units, second moving units are disposed perpendicular to the first moving units installed at the front and rear of the base frame, respectively, and installed on the first sliding plates to move the second sliding plates leftward and rightward on the base frame, respectively. Installed on the second sliding plates and the first sliding plate of first unit installed at the center of the base frame, are ascending and descending units. These ascending and descending units are configured to be reciprocally movable upward and downward on the base frame.

Abstract: A machine tool having a carrier device for workpieces or tools or tool spindles. A console supports the carrier and can be pivoted about a first axis (X) from the horizontal into the vertical position and beyond. The console is pivotably housed on carriages guided in the machine body. The carrier for a workpiece, a tool, or a tool spindle is arranged on the console, and a drive device is provided for the synchronous displacement of the carriages on guide rails fixed on the machine tool. The console is hinged via two crank-like arms to the stationary machine body in addition to being supported on both carriages to form a kniematic coupling.

Abstract: The present invention relates to an ophthalmic holding mechanism for holding an eyeglass frame. The holding mechanism includes a base, a clamping mechanism configured for releaseably securing a lens mount of an eyeglass frame, and an actuator operatively associated with the clamping mechanism for causing linear and rotational movement thereof. The clamping mechanism is moveably coupled to the base for linear and rotational movement about an axis of rotation relative to the base, wherein the clamping mechanism is rotatable about first and second spaced pivot points. The present invention also relates to a method of tracing a lens mount of an eyeglass frame.

Abstract: An apparatus to support a skid plate during installation to an underside of a vehicle, the apparatus including a lower frame, a lifting apparatus mounted to the lower frame, and an upper frame mounted to the lifting apparatus such that the lifting apparatus selectively raises or lowers the upper frame relative to the lower frame to adjust the height of the skid plate relative to an installation surface of the vehicle. The upper frame can rotate about a longitudinal axis of the lifting apparatus and can pivot about an axis generally perpendicular to the longitudinal axis to orient the skid plate relative to the installation surface.

Abstract: A row bar holder to hold a plurality of row bars containing reader heads for scanning operations is disclosed. The row bar holder includes: a base fixture having a length defining a y-axis and a width defining an x-axis, a plurality of separator walls formed on a top surface of the base fixture spaced from one another to separate the plurality of row bars containing reader heads, a plurality of grooves defined between the adjacent separator walls to receive the row bars, respectively, and a draw bar mountable within the base fixture, the draw bar having a plurality of draw bar walls that approximately align with the plurality of separator walls of the base fixture along the y-axis.

Abstract: A weaving machine for an rotary electric machine coil assembly is disclosed including a rotating and driving section having timing belts causing rotary pulleys to rotate about their axes under the same attitudes while causing the rotary pulleys to rotate about an axis of a stationary pulley, movable members placed on the rotary pulleys to be movable in X- and Y-directions, coil feed magazines inclined such that coil wire segments have one ends slidably supported on the movable members and axes of the coil wire segments cross on a rotating axis of the rotary table, an orbit specifying member for specifying an orbit, in which the coil feed magazines are caused to rotate, in a rectangular shape, a rotating and driving member for permitting the coil feed magazines to perform synchronized rotating movements, and a coil transfer device operative to grip the coil wire segment for transfer.

Abstract: Disclosed is a method and system for compensating for the load a part places on a part positioner system that positions the part for work operations by a robot. The part positioner system rotates a part holding assembly about the axis of rotation of a shoulder drive. The part holding assembly may have a column that extends perpendicular to the shoulder center line. A counter weight system is incorporated into the column that includes a counter weight pack that is moved along the length of the column. The shoulder drive drives the part and part holding assembly load in order to measure a torque applied to the shoulder drive. A load offset may be calculated based on the applied torque. The counter weight pack may then be moved to a position on the column calculated to balance the load of the part and part holding assembly.

Abstract: A tension ring lifting assembly (101) for securing around a pipe, the assembly comprising a tension ring (112) and at least one lifting lug (130) by which the tension ring, and a pipe around which the tension ring has been secured, can be lifted. The tension ring comprises: a plurality of collar segments (114, 116) which can be assembled into a ring around the pipe; a plurality of slip segments (140) adapted to fit between the collar segments and the pipe and to make direct contact with the pipe surface, the collar segments and the slip segments when assembled having inclined contacting surfaces such that an inner diameter across said assembled ring, between the inner faces of the collar segments, varies as the segments move up and down in the collar; means for tensioning (152, 154, 156) adjacent collar segments (114, 116) against one another to secure said ring around the pipe; and means for removeably mounting (7, 9) said at least one lifting lug (130) to the tension ring (140).

Abstract: An adjustable bicycle workstand is disclosed. The bicycle workstand may include a height adjustable post having at least a first and second tubular member in telescopic arrangement. The second tubular member may be insertable into the first tubular member. The first tubular member may have a ground engaging portion or support base. The workstand may include an internal mechanism for gradual extension and retraction of the second tubular member from the first tubular member. The workstand may include an attachment means for mounting a bicycle associated with the second tubular member. The workstand may be configured for safely raising and lowering a bicycle attached to the stand. Thus, the bicycle workstand may safely and securely support a bicycle for assembly, maintenance and/or repair purposes.

Abstract: A wafer spin chuck and an etcher using the same are provided. According to an aspect of the present invention, there is provide a wafer spin chuck device comprising: a spin body which spins a wafer; and a stationary body which holds the spin body and is under the spin body with a space between the spin body and the stationary body, wherein the stationary body includes a blocking unit which blocks the space with a fluid.

Abstract: A cradle device for large pinion gears or blanks wherein a pinion may be supported and rotated for machining. The cradle device comprises one or more adjustable prismatic units each including a plurality of angular plates that are movable toward and/or away from one another along the width of the cradle device in order to raise and lower, and/or laterally shift, a pinion placed thereon so as to position the pinion for machining.