The method for operating a multi-clothes styler system having a first styler and a second styler each with a hanger for applying vibration to clothes hung therefrom, includes an antiphase control step for controlling a vibration phase of a second hanger of the second styler to become an antiphase of the vibration phase of a first hanger of the first styler, if the first hanger of a first clothes styler and the second hanger of a second clothes styler are operated at the same time, and vibration frequencies of the first hanger and the second hanger are the same, whereby minimizing noise produced from the vibration of a plurality of hangers, and preventing the multi-clothes styler system from damaging due to intense variation to prevent a lifetime thereof from reducing.

A spiral wrapping for an ironer roller for a chest ironer. Chest ironers have at least one rotatably drivable ironer roller, the lower half of which is surrounded by a stationary ironer bed. The ironer roller is surrounded by an outer spiral wrapping which comes into contact with the item of laundry to be treated. The spiral wrapping is provided with an outer layer produced from a coarse woven fabric which has a higher coefficient of friction. The coefficient of friction of the coarse woven fabric does not alter as the age of the spiral wrapping increases. This means that even in the case of older spiral wrappings, there is sufficient frictional engagement between the spiral wrapping, namely the outer layer, and the item of laundry to be smoothed out.

A boiler having a shell enclosing a space and an inlet for letting water into the shell space. The shell space has two separate sections, wherein a first section is located such as to receive a supply of fresh water to the boiler and wherein a second section is located such as to receive water from the first section when overflow of the first section takes place under the influence of a continuous supply of fresh water. A steam generating process takes place in the second section. Due to the fact that the second section is only indirectly filled with water, it is possible to have an undisturbed process. In particular, the water may be heated in the first section before reaching the second section. The first section may for example include an inner space of a container which is arranged inside the shell, for example.

Laundry articles are spread out by input machines in front of a feed conveyor which feeds the spread-out laundry article to a mangle. The respective laundry article is previously fed by a transfer device to a draw-on device onto which the laundry article is drawn. In known input machines, relatively complicated transfer devices are provided. According to the invention, the transfer device is provided with a rectilinear conveying section ascending to the draw-on device. The laundry article is thereby transported to the draw-on device by the transfer device in the plane in which it is transferred to the transfer device. Such a transfer device needs to have only a simple set-up. Since the laundry article remains in the plane in which it is fed to the transfer device, it can be brought by the transfer device into a favorable initial position for being drawn reliably onto the draw-on device.

A household appliance (100) comprises a cabinet (105) accommodating a drum for loading items to be dried and a drying air circuit for circulating drying air through the drum for drying the items therein. The drying air circuit comprises air heating elements (415) for heating the drying air fed to the drum, and the cabinet is provided with a worktop (110) defining a surface (130) having a plurality of apertures (135) in fluid communication with an air conveying system (205,225,230) adapted to deliver a flow of air through said apertures. The air conveying system comprises an air duct (230) thermally coupled to the air heating elements in such a way as to cause heat generated by the air heating elements to heat the air to be delivered through the apertures in the drying surface.

A piezoelectric element is manufactured in a method including forming an adhesion layer of zirconium above a zirconium oxide insulating film, forming a first electrode above the adhesion layer, forming a piezoelectric layer of a complex oxide containing bismuth above the first electrode, and forming a second electrode above the piezoelectric layer.

A system and method for using color to indicate a state of a home appliance, such as an iron. The iron has a sole plate and a water tank in fluid communication with the sole plate, a heater for heating the sole plate, a sensor for sensing a temperature of the sole plate, a user interface for setting a desired temperature for the sole plate, and a controller in communication with user interface and the sensor for controlling the heater. An illumination device under the control of the controller is provided to illuminate the water tank, particularly the interior thereof, in a color that is representative of a state of the iron, such as a power condition of the iron and/or a temperature of the sole plate.

A wrinkle removing apparatus for fabric articles is provided. The apparatus includes a casing defining a volume therein and a reservoir received in the casing and containing a liquid for providing treatment to the fabric article. A platen is carried by the casing and defines a plurality of openings for allowing flow-through of liquid. A heater may be proximal the platen for heating the platen to a treatment temperature. A transducer extends into the reservoir and is configured for atomizing the liquid into a vapor.

An ironing board assembly includes an ironing board having a main board portion and at least one auxiliary board portion that is movably connected to the main board portion such that the auxiliary board portion is movable between operating and collapsed positions. A flexible ironing board cover is attachable to the ironing board so as to cover ironing sides of both the main and the auxiliary board portions, and to provide an ironing surface for a user to iron on. A tensioner is configured to pull the flexible cover taut over the covered ironing sides such that the ironing surface extends seamlessly across any joint or gap between the main and auxiliary board portions.

A device for treating fabrics comprising a cabinet, said cabinet comprising: a shell having an interior surface, said shell forming an opening; the device further comprising: at least a first and a second spray head positioned upon said interior surface of said shell, the first spray head comprising a multitude of spray nozzles and the second spray head comprising at least one spray nozzle, wherein in at least one first direction the first spray head produces a spray pattern comprising a sequence of a first spray-on area, a first spray free area, and a second spray-on area and in said first direction the second spray head produces a spray pattern comprising at least a third spray-on area and wherein the third spray-on area covers at least a portion of the first spray free area.

The present invention relates to a steamer head for a garment steamer comprising a main body (2) with a front end (8), a steam outlet (11) and an air inlet (25) formed in the front end (8). A suction force is applied to draw air through the air inlet (25) so that a fabric of a garment disposed proximate the front end (8) is drawn against the front end (8) by the suction force. Further, steam is applied to the fabric of a garment through the steam outlet (11). The front end (8) of the main body (2) comprises first and second surfaces (10, 2). The steam outlet (11) is formed in the first surface (10) and the air inlet (25) is formed in the second surface (12), so that the fabric is drawn against the second surface (12) and steam is applied to the fabric at the first surface (10). The first and second surfaces (10, 12) together forma convex surface. The present invention also relates to a garment steamer comprising a 10 steamer head and a method of removing creases from a garment using a garment steamer.

The invention concerns a method and corresponding apparatus of transferring a piece of cloth (3) from a pair of spreader clamps (4,5) to a conveyor (1) via a transverse boom, where the piece of cloth is first suspended and straightened between the spreader clamps, then delivered to the transverse boom (8,9), and subsequently delivered from the transverse boom to the conveyor. Apart from that, a straightening of the fore edge of the piece of cloth is performed, seen in the direction of conveyance of the conveyor, after its delivery from the clamps to the transverse boom has been initiated, but before it is delivered to the conveyor.

A panel for tensioning fabric such as a silkscreen mesh is described. The panel includes locking strips secured to the edges using stitching through the mesh and locking strips. A method for fabricating the panel and tensioning the panel on a frame is also described. Locking strips may be stitched to edges of the fabric or mesh.

The present invention relates to an apparatus for generating steam comprising a water heating chamber in which water is heated to generate steam. The apparatus also includes a cavity having an inlet communicating with the water heating chamber so that water in the water heating chamber is received in the cavity and a sealable outlet. The cavity is configured to limit the flow of convection currents in the water received in the cavity so that scales and/or solid particles suspended in the water accumulate in the cavity. Alternatively, a guide member is disposed at the inlet to the cavity which is configured to guide scales and/or solid particles suspended in the water into the cavity.

A composite hose includes a tubular body of flexible material for transferring cryogenic fluid through the hose and for preventing fluid leakage through the body. The tubular body includes an inner wire helix spirally wound along the length of the hose, an outer wire helix spirally wound along the length of the hose, at least two reinforcing layers placed in between the inner and outer wire, at least one sealing layer placed between two reinforcing layers, an end fitting at both ends of the tubular body, each end fitting provided with a part for connection to another hose flange and an elongated cylindrical part, which is divided in an anchoring area for anchoring the tubular body and a static sealing area for fluid tight sealing of the hose. A gas tight sealing is created by bonding the at least one sealing layer to the cylindrical part over a ring shaped bonding area.

This invention relates to the field of advertising and information display. It can be used in the production of portable advertising and information media with flexible supports, transported easily, and installed quickly to display any visual information. The invention ensures high-quality and effective tensioning of the panel over the course of a long use period including multiple relocations. The device for presenting information comprises a panel mounted on a sectional frame with rotating edges of the panel mounted on the sides of the frame. Each of the rotatable edges consists of at least two layers: the panel itself and a facing applied to the panel in its pre-tensioned resiliently deformed state, thus retaining the tension of the panel material attached to the facing. The panel is mounted on a frame in a state of resiliently extended deformation and is fixed with edges supported in pairs on the frame.

A printing screen, comprising a sheet, at least sections of at least one pair of opposite edges of which are folded such as to define attachment elements, and a printing screen unit including at least one pair of interface members attachable to the attachment elements at the at least one pair of opposite edges of the sheet.

The small clothes iron for use with children's clothes is a small iron when compared to a traditional clothes iron. The small clothes iron resembles a toy train wherein a front surface resembles a face of a toy character while a top surface includes a handle, control buttons, and a chimney/smokestack for refilling a water reservoir. The small clothes iron has a smaller iron surface on a bottom surface, which is useful in ironing small clothes for children and infants.

The invention refers to an ironing aid and a device for safekeeping of ironing aids for smoothing closed tubular items of clothing. The object was to propose a solution in the application of which a wire frame shaped ironing aid is an integral part of the aid for thermal smoothing of items of clothing and better handling is ensured. The object is achieved by their insertion in a profile bracket provided with an adhesion means. According to the invention, several ironing aids can be combined with a profile bracket, at least one of the ironing aids having a loop-like rounding at its end. Furthermore, one of the ironing aids can have a slight kink at a right angle to its planar extension (FIGS. 1/2).

A bearing casing assembly for a conveyor roller tube having a casing, a stub axle, bearings, an outer seal member and shield cap, is provided. The casing includes a body having a shoulder at its distal end extending circumferentially and radially outwardly for abutting against an end of the roller tube, an inner flange extending circumferentially and radially inwardly near the distal end from the casing body and an internally threaded a proximal end. The casing also includes a casing seat having a threaded portion for threadingly engaging the threaded proximal end portion of the casing body and a bearing engaging portion adapted to abut the bearing for selectively adjusting a preload on the bearing by rotating the casing seat about the casing body. The bearing casing assembly may further include an inner seal member when fluid lubricating bearings are used.

An inclined roller conveying assembly (40) includes a horizontally inclined roller (74) having opposite ends respectively supported by first and second supports (64, 66), with one support (64) having an idler bearing (80) and with the other support (66) having a drive coupling (94) that provides rotation of the inclined roller from a horizontal support and drive axis to provide support for the lower surface of an upper portion Gu of a hot upwardly concave formed glass sheet G being conveyed.

Device for taking back empty containers, in particular plastic bottles and metal cans, with a housing which has apparatuses for processing inserted empty containers, an intake chute accessible from the outside that receives empty containers as bulk material and a bottom sloping downward in direction of intake chute. Device is provided that prevents or impedes insertion of excessively large objects into device. Device provides almost unimpeded insertion of empty containers as bulk material into intake chute, and simultaneously prevents that excessively large objects can enter into the device. The bottom of intake chute has a plurality of grooves arranged side by side and running in the intake direction, the grooves flowing into a passage opening leading to the device and whose cross-section is dimensioned in such a manner that empty containers aligned longitudinally in the intake direction can pass unimpeded through the grooves.

The present invention discloses a roller for conveying glass substrate. The roller includes a structure of roller body that is formed by assembling a plurality of roller components together in a disassembleable manner. An axle bore is formed in center of the roller. The present invention also discloses a roller axle assembly for conveying glass substrate, which includes a plurality of rollers and a roller axle. A distance is formed between adjacent ones of the rollers. Each of the plurality of rollers is individually disassembleable. The roller for conveying glass substrate and the roller axle assembly according to the present invention allows any one of the rollers that are mounted to a roller axle assembly to be disassembled individually thereby shortening the time period for replacing the glass substrate roller, increasing the utilization rate of the roller, and lowering down the device maintenance cost.

The various embodiments of the present invention are directed to valve devices, systems, and methods for controlling the distribution of materials to multiple locations. The improved valve devices, materials distribution systems, and materials distribution methods disclosed herein are particularly suitable for use in applications where the materials being distributed are, for example but not limited to, non-gaseous fluid materials (e.g., raw liquids, solutions, slurries, colloids, suspensions, and the like) and solid materials having some level of tackiness, moisture content, or like property. The valves, systems, and methods disclosed herein can be operated without having to stop the flow of materials therethrough in order to change the position of the valve from one outlet to another. Further, the valves and systems disclosed herein have few directional changes, therefore there are few, if any, points within the system where the material can get stuck and/or lodged.

A system and method for changing a flow rate and direction of dry bulk material supplied from an elevated source, via an angled spout to an adjustable spout end having no internal baffles therein and having readily interchangeable wear pads therein which are accessible through an access door.

A conveyor for a sheet glass tempering furnace, comprising a roller conveyor and an inclined airborne conveyor, as well as support and transport rollers at a lower edge of the airborne conveyor. The roller conveyor includes a horizontal level conveyor and an adapter conveyor between the horizontal level conveyor and the airborne conveyor. The adapter conveyor features a horizontal level upstream end and an inclined downstream end, the inclination angle of which matches substantially that of the airborne conveyor. The adapter conveyor has its rollers increase in inclination step by step when proceeding from the up-stream end towards the downstream end.

A rebuildable conveyor roller includes a hollow, cylindrical roller tube having a first end opposite a second end. The roller tube has a rebuildable conveyor roller bearing assembly provided at the first end and the second end. The rebuildable conveyor roller bearing assembly is affixed to the roller tube such that at least a part of the rebuildable conveyor roller bearing assembly is removable from the roller tube. A hub of the rebuildable conveyor roller bearing assembly has a generally circular shape that is dimensioned to fit inside the internal diameter of the roller tube. The hub has a centrally located hole through which a stub shaft may be inserted. A bearing holder is inserted in an internal cavity provided within the hub for securing the rebuildable conveyor roller bearing assembly to the roller tube.

A chain for rolling elements includes a carrier belt having first and second side strip on two sides thereof, and multiple holes are defined in the carrier belt and located between the first and second side strips. Each hole has a first opening end and a second opening end. Multiple retainers are connected to the carrier belt and located alternatively with respect to the holes. Multiple first ribs are connected between the first side strip and the retainer. Multiple second ribs are connected between the second side strip and the retainer. Each of the first and second side strips has a thickness T1, and each of the first and second ribs has a thickness T2 which is smaller than T1. The first and second ribs reinforce connections between the first and second side strips and the retainers so that the chain has even flexibility and can operate smoothly.

A conveyor roller (10) has a cover (20), an axle (40), and a magnetic brake (50) having a magnetic component (51) and a braking component (54). The cover (20) is supported rotatably about an axis of rotation relative to the axle (40). The magnetic brake (50) is provided kinematically between the axle (40) and the cover (20) and is connected to the axle (40) and the cover (20) so that rotation of the cover (20) about the axis of rotation can be retarded by the magnetic brake (50). The magnetic component (51) and the braking component (54) are arranged displaceably relative to each other between a rest position and a braking position. A centrifugal device (60) for a rotational speed-dependent displacement of at least one of the magnetic brake components (51, 54) is provided between the rest position and the braking position.

A roller rail system includes an adjustment bracket including a first roller rail assembly support portion and a second roller rail assembly support portion adjacent the first roller rail assembly support portion. The first and second roller rail assembly support portions are each configured to receive a roller rail assembly such that the roller rail assembly slides within the respective first and second roller rail assembly support portion relative to the adjustment bracket. A first roller rail assembly is received by the first roller rail assembly support portion. A second roller rail assembly is received by the second roller rail assembly support portion. The roller rail system has a retracted configuration where leading ends of the first and second roller rail assemblies are closer together and an extended configuration where the leading ends of the first and second roller rail assemblies are further apart.

A belt moving unit includes an endless belt member and plural support rolls supporting the belt member movably and rotating, wherein the support rolls include one or more follower rolls rotating to follow the movement of the belt member and at least one of the follower rolls is used as an inertial roll to which inertia is applied, wherein the inertial roll includes a rotation shaft, a rotational inertial member rotating with the rotation shaft and applying inertia, and a roll body disposed along a peripheral surface of the rotation shaft and including plural roll-divided members, and wherein the plural roll-divided members include a fixed divided member fixed to the rotation shaft and rotating along with the rotation shaft to follow the movement of the belt member and a rotating divided member rotating independently of the rotation of the rotation shaft.

An apparatus for counting deposit beverage containers that includes a loading basin for holding a plurality of deposit beverage containers, a feed chute for receiving the containers from the loading basin having an inlet end narrowing into at least one outlet end, and at least one feed channel extending from each outlet end. The feed channel includes a choke opening that orders the containers into a single file row, an upward bend following the choke opening that decreases the downward slope of the feed channel to moderate the flow of the containers, and a downward curve following the upward bend that accelerates each container to create separation between containers.

A wear indicator apparatus, system and method are provided for allowing wear information from an internal flow surface of a chute to be obtained from outside the chute so as not to require access to the interior thereof for wear inspection purposes. In one form, the wear indicator apparatus has a wear indicator portion that is configured to be fit into a through opening in the chute wall assembly. The wear indicator portion has a layer of wear material that is of the same material as an inner liner of the chute wall assembly, and a mounting portion that is configured to be removably fixed to an exterior surface of the wall assembly. Preferably, the wear indicator apparatus includes a removal mechanism connected to the mounting portion that is operated outside of the chute for retracting the wear indicator portion out from the wall assembly through opening.

A coin dispensing apparatus has a cabinet serving as an apparatus housing for the apparatus. The apparatus further has a module for receiving, optionally validating and optionally sorting coins of different types and at least one dispenser for coins to be dispensed. The apparatus is adapted to dispense a specific composition of coins from the at least one dispenser to a portable coin receptacle. Each dispenser comprises a spout and is shaped such that a plurality of dispensers can be placed in a pattern allowing the spouts to be placed in a row. An effect of this is that the sorted coins can be dispensed in a row above the row of spouts, thus there is no need for an additional complex channel system for leading the sorted coins into the correct dispenser.

Embodiments of the present invention provide a modular, portable, and adjustable wheelchair ramp that provides advantages and benefits over current wheelchair ramps. The ramp may be sold in a kit with individual elements, but it is also designed to provide a frame substructure that can be used with conventional decking materials, railings, and handrails.

A system and method for causing a differential flow rate to exist in a downspout so as to reduce abrasion of a bottom side of said downspout and to sort dry bulk material flowing therethrough. The present invention reduces the velocity of the mass of the dry bulk material, such as corn, thus preserving grain quality and reducing the exit velocity at the lower end of the spout.

A conveying device for cylindrical members, such as parisons (1) for hollow objects, has running rails (8, 9) which are inclined in the direction of travel of the parisons (1). A neck (3) of the parisons (1) which is part of a head (2) lies on the running rails (8, 9). A guide rail (11) which is located at a certain distance from the head (2) of the parisons (1) is fixedly arranged above the running rails (8, 9). A movable intermediate element (12) is retained and guided within the running rail (11). A force component (16) directed against the head (2) of the parisons (1) acts on the intermediate element (12).

A ball guide having a body for receiving and guiding balls of a specified size along a specified path that is defined by the body. At least one vibration generator is provided which is connected to the body in a vibration-transmitting manner.

A device for stopping and/or aligning transport goods on a conveying device, in particular a roller conveyor, device has a main part and a stopping device that can be moved out of the main part into a conveying path of the conveying device in order to stop and/or align the transport goods that are transported along the conveying path. The stopping device comprises at least two separate stops that can be moved between a working position, which projects into the conveying plane, and a rest position, which is retracted with respect to the conveying plane, by means of a common actuator device.

A weighing machine (10) that may be scales employed in the packaging industry to deliver batches of product to a packaging machine below the weighing machine (10). The weighing machine (10) has a plurality of troughs (19) along which the product passes and that extend downwardly away from a generally central upright longitudinal axis (11). Each trough (19) extends downwardly from an inlet portion (21) to an outlet portion (22), with the outlet portion (22) spaced radially and angularly from the inlet portion (21) relative to the axis (11).

A retractable stock guide has a stationary guide rail on which a retractable guide cap is operably supported. The guide rail and cap have two through holes at opposite ends through which two mounting studs extend to attach the stock guide to an associated die member. The holes in the guide cap are ovate, and the heads of the mounting studs are tapered, whereby tightening of the mounting stud shifts the guide cap relative to the guide rail from an aligned, retracted load/unload condition, to an inwardly protruding, extended run condition, wherein the stock strip is slidingly captured between two like stock guides and the mounting surface of the die. Two ball bearing guides can be substituted for the stationary guide rail.

A method of manufacturing a valve for an internal combustion engine, comprises: (i) a primary step of forging a bulging portion at one end of a rod material to form a generally disk-shape valve head of the valve having a tapered periphery; (ii) an thickness adjustment step of machining an excessively thick portion of the valve head; and (iii) a secondary step of forging a peripheral region of the valve head to create radial slip deformations therein to form a valve face of the valve head. In the step of thickness adjustment, only the front end of the disk-shape valve head is machined without harming dense grain flow lines induced in the tapered face (16a) in the primary forging while advantageously saving the valve material and reducing thickness adjustment time. In the secondary forging, the hardness of the valve face is further enhanced.

The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe.

A process of forming the wall of the mouth of a cylindrical, metal container or packaging from a tubular ring that may or may not be molded that has to accommodate a sealing lid equipped with an elastic seal secured by a vacuum created in the container is characterized essentially by the use of a single element, the head carrying out the deformation of the internal diameter of the container by expansion to produce a bead together and simultaneously with a contraction that produces shrinkage above the bead of the mouth, the head comprising an expansible stationary part and a moving part that turns around the stationary part, the parts of the head being coaxial, which has the effect of compressing the metal and hardening it by organizing the metal molecules under two simultaneous stresses, which hardens the packaging and allows it to withstand the vacuum applied thereto.

Rolling mill bearings incorporate bearing bushings with pluralities of hydrostatic pad recesses, that are preferably in conjunction hydrodynamic bearings also formed within the bushing. Each recess has an isolated lubricant passage that is adapted for coupling to a separate isolated source of pressurized lubricant. In some embodiments herein, the isolated pressurized lubricant source is supplied by a dedicated outlet of a pressure pump. In this manner each hydrostatic pad recess has a dedicated pressurized lubricant supply that is not interrupted by loss of lubricant pressure events in other bearing pads or elsewhere within the rolling mill lubrication system.

A fully hydraulic edging system suitable for use in wide plate mills is disclosed. The need for electro-mechanical screws to effect large movements of the side rollers is avoided by employing a pull-back hydraulic cylinder for this purpose. The main hydraulic cylinders are switched to a non-operational mode during large movements thus avoiding the need for large volumes of hydraulic fluid to be transferred under high pressure.

For the manufacture of can bodies as they are needed for the manufacture of aerosol cans or beverage cans, a special tool 2 is provided which combines the manufacture of the cup as well as the transformation of the cup into a can body into a single tool 3. The process is based on preferably round metal sheets which are first drawn in a first draw-stretching step of the tool 2 into cups and then are draw-stretched in a second draw-stretch process, the further draw- and slide-down-stretch to form can bodies. The drawing arrangements are the same in both operating steps. The tools required therefore are simple sturdy tools providing for a simple sturdy manufacturing process.

A hand tool, such as a duct seamer. The hand tool may include a first handle; a second handle connected to the first handle for pivoting movement about a handle pivot point; a first jaw operably connected to the first handle and having a first inner surface; a second jaw operably connected to the second handle and having a second inner surface; a first groove and a second groove on each of the first inner surface and the second inner surface; and a first shoulder created by the first groove and a second shoulder created by the second groove on each of the first inner surface and the second inner surface, the first shoulders providing a first stop and the second shoulders providing a second stop for the work-piece. The jaws may provide the shoulders at a distance of ⅜ inch and 1 inch from a front of the jaws.

A device is provided for collapsing a stented bioprosthetic valve, including first section and second sections, each spanning between first and second ends of the device. The second section of the device is associated with the first section to at least partially enclose an internal cavity formed by the first and second sections, the internal cavity tapering from an open insertion portion at a first end of the device to an open exit portion at a second end of the device. The insertion portion has a larger dimension than the exit portion. When the first section and second section are substantially enclosing the internal cavity, a stented bioprosthetic valve may be inserted into the insertion portion and collapsed as it is moved toward and through the exit portion. The valve may then be loaded on an apparatus for insertion into the body.

A housing member for a friction clutch and a method for making it. The housing member is made for use with two differently sized fan members. Two annular raised mounting pilot surfaces are provided, one of which is machine finished for mounting one of the two fan members. Two sets of fan member mounting holes are also provided, one set of which is used to mount one of the two fan members thereon.