Abstract: Apparatus for transporting documents in a paper handling system, comprising: a drive train; a document transport element connected to the drive train for moving documents; and means adapted to apply a relatively high voltage element to generate a high torque when the transport element is not loaded and to reduce the voltage and thus the torque a predetermined time after the transport element engages a document to be moved.

Abstract: A conveying means (1) is described having running rollers (7) which can be supported on a guide (2). At least one running roller (7) is mounted on a roller lever (12a) which can be pivoted between a first and a second position with the aid of a pivoting mechanism (13, 33) and can be locked in a position. In order to make a conveying means of this type simpler in structural terms and less susceptible to wear, it is proposed to equip the pivoting mechanism (13, 33) with a toggle lever (14) which is connected to an actuating element (21), wherein the toggle lever comprises a first and a second lever element (14a, 14b) which are connected to one another via a joint (15).

Abstract: A conveyor system is provided. The conveyor system includes a threshold assembly. The threshold assembly has a base plate that is secured to a floor, and the threshold assembly has a channel that is formed between two support beams that are secured to a base plate. A plurality of threshold center plates are provided, which span and enclose the channel formed by the support beams, such that each threshold assembly includes a modular printed circuit board that fits within the channel and is enclosed within the channel by threshold center plates. And, multiple conveyor segments are mountable to the threshold assembly. Other systems components and methods for making and operating the same are provided.

Abstract: For a device for the electrical actuation of a safety-critical system, having at least two terminals, at least one switch, an operator control element, by means of which at least two operating states for the system are selectable, by means of which switching positions of the at least one switch are determined, it is proposed that at least one current direction element is provided, so that for at least one of the at least two operating states a unidirectional current flow occurs between the at least two terminals.

Abstract: An electrical control device comprising a housing configured to be at least partially mountable within a single-gang electrical box; and including at least first and second switches disposed at least partially within the housing, each the at least first and second switches configured as providing a respective first and second input to the electrical control device and, the electrical control device being configured to be wired to a respective first and a second electrical load. A communications device disposed at least partially within the housing is configured to wirelessly transmit a control signal to control at least one additional electrical load.

Abstract: A technique of preventing permeation of liquid and dust to electronic parts within a housing of an input device for an in-vehicle device. An input device of an in-vehicle device comprises a housing and a substrate stored in the housing. The housing comprises a button, a rod hole for guiding vertically a rod positioned under the button, taking the top of the button as an upper side, and the rod inserted in the rod hole. The substrate comprises an input element positioned under the rod. The rod is fitted with a covering member that covers the rod hole from above.

Abstract: An illumination button switch assembly for an electronic device includes a substrate, a switch element, a flexible and light-pervious supporting member, a light source, and a button cap. The switch element is disposed on the substrate to be triggered to generate a switching signal. The supporting member has a top end and a bottom end, a concave hollow portion is formed on the bottom end, and the bottom end is disposed above the switch element and is spaced from the switch element. The light source is disposed on the substrate to project light into the hollow portion. The button cap is fixed on the top end to be pressed to push the supporting member to contact the switch element with the bottom end. Since the button cap is light-pervious, the light passing through the hollow portion penetrates the button cap, thereby illuminating the button cap.

Abstract: A push button switch device mounted on an equipment body includes a push button member disposed on a cover constituting an outer surface of the equipment body, the push button member being configured to be light-transmissible, a switching element located behind the push button member so that its operation axis substantially corresponds with a central axis of the push button member, light sources disposed around the switching element to illuminate the outer surface of the push button member, the light sources being operated by the push button member, and an incidence plane located on a rear surface of the push button member so that light from the light sources is incident thereon, the incidence plane including a concave curved surface that is located so as to substantially face the light sources and a flat or convex curved surface located outside and is continuous to the concave curved surface.

Abstract: A low-profile multi-directional key switch structure is disclosed, which includes a magnetic element, a key cap for receiving at least a portion of the magnetic element therein, an elastic element centered near the key cap, and a protection pad disposed between the extension portion of the key cap and the elastic element. The key cap has an extension portion protruding outwardly. The elastic element includes a central region and a spiral structure connected with the central region. The spiral structure is extended from the central region outwardly, and the elastic element is centered near the key cap by the central region for limiting a movement of the key cap and the magnetic element to an original location of the elastic element. The protection pad covers a most portion of the spiral structure of the elastic element, and a receiving opening is disposed in a center of the protection pad for passing the magnetic element through.

Abstract: A key structure of a keyboard includes a cap having a cover and a key post protruded under the cover, a key base which has a base board, restraining posts and a guiding post protruded on the base board with being arranged and spaced to surround a receiving space thereamong, and a resilient dome with a recessed passageway mounted between the cover and the base board to receive the key post and the posts in the passageway. The key post includes a base pillar and guiding ribs arranged around the base pillar. A guiding channel is opened in an inside of the guiding post to communicate with the receiving space and passes through a top of the guiding post. The key post is movably inserted in the receiving space with one guiding rib being slidably inserted in the guiding channel and the other guiding ribs being resisted against the respective restraining posts.

Abstract: A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member.

Abstract: A switch module consists of a build-up multi-layer structure and some passive devices. The build-up multi-layer structure has multitudes of conductive layers and dielectric layers laminated upon each another. At least one dielectric layer is interfered between any two conductive layers. Any one passive device is a portion of at least one conductive layer and electrically connects multitudes of conductive pads on the surface of the build-up multi-layer structure.

Abstract: The invention relates to a method of positioning service equipment of a coal-charging larry cart at charging ports of a coke oven, wherein a rail-guided larry cart is moved on the roof of a coke oven and is positioned at locations known by a machine control system and corresponding to charging ports in the oven roof in order to charge the oven chambers, and wherein then at least one piece of service equipment of the coal-charging larry cart is guided to the charging ports by horizontal biaxial positioning movements. According to the invention, an optical measurement method is used after each positioning of the larry cart to detect the coordinates of at least one marking that is applied to the oven roof and that has a fixed relationship with the center axis of a charging port within a measurement field that is predefined by the measurement method and to compare them with reference values that are stored in the machine control system for the marking.

Abstract: Heat from a concentrated solar power source is applied to the conversion of carbonaceous materials such as heavy petroleum crude oils, coals and biomass to liquid hydrocarbons. The solar heat is applied to provide at least a portion of the process heat used in the high temperature, short contact time hydropyrolysis of the carbonaceous material which is supplied with hydrogen generated by a high temperature process such as high temperature steam electrolysis, the sulfur-iodine cycle, the hybrid sulfur cycle, the zinc-zinc oxide cycle or by methane steam cracking. The heat from the solar source may be used to generate electricity to operate high temperature steam electrolysis used in generation of the hydrogen. By the use of solar thermal energy sources, hydrocarbon resource utilization for process heat is eliminated along with carbon dioxide evolution associated with burning of the hydrocarbon resource to generate process heat.

Abstract: This invention relates to a process for reducing the corrosion rate of iron-containing vessels within an ethylene glycol distillation system. The inventive process includes the addition of an additive component of sodium nitrite and sodium hypophosphite into such iron-containing vessels, to thereby react with iron of the inside walls and form a protective coating thereon. This process reduces the corrosion rate in iron-containing vessels of the apparatus, and reduces the catalytic effects of iron corrosion products within the system. Thus, not only is the on-stream time of the vessels extended, but also product quality is improved by reducing the aldehyde content of the final ethylene glycol product.

Abstract: An evaporation device has an inner tube and an outer tube. The inner tube is made of a hydrophilic membrane, such as DutyionT. The outer tube is preferably made of a material that readily absorbs solar radiation and is a good heat conductor. There is a gap between the inner tube and the outer tube for the flow of air. The inner tube contains a flow of impure water. The hydrophilic membrane allows water to pass to the outside of the inner tube as vapour, but prevents impurities from passing through. Air flowing in the gap takes up the water vapour and humidified air exits the evaporation device. This humidified air is subsequently cooled to collect the vapour and provide purified water, e.g. at a condenser.

Abstract: A hydro-thermal exchange unit (HTEU) for desalinating feed water in accordance with a humidification-dehumidification includes feed water, fresh water and gas conduit circuits for transporting feed water, fresh water, and gas, respectively. The unit also includes an evaporator through which a portion of the feed water conduit and the gas conduit pass. The evaporator causes evaporation of a portion of the feed water to produce vapor that is transported through the gas conduit. The unit also includes a condenser through which a portion of the gas conduit and the fresh water conduit pass. The condenser has input and output ports for coupling the gas and fresh water conduit circuits. The condenser extracts moisture from the vapor transported therethrough by the gas conduit. The extracted moisture is discharged through the fresh water conduit.

Abstract: The present invention relates to a process for purifying methacrylic acid, wherein the reaction mixture obtained by a reaction of methacrylamide with water is cooled by mixing with an aqueous medium and then passed into a phase separator. The present invention further describes a system for performing the process according to the invention.

Abstract: An extracting process includes adding 30 g of honeysuckle into a first flask in a cooling bath; adding 150 g bromomethane as a solvent into the first flask and sealing the first flask so that the solvent dissolves the honeysuckle powder to form a solution after about 15 hours; removing the first flask; and connecting the first flask to a first second flask and connecting a third flask to a last second flask wherein the second flasks are interconnected, each second flask is placed in another cooling bath, the third flask is placed in still another cooling bath, the solution evaporates to flow the vaporized aromatic compounds thereof to the second flasks for absorption by aromatic compounds absorbent fluid contained in each second flask, and the vaporized bromomethane of the solution reaches the third flask to be cooled and collected in the form of liquid.

Abstract: A multi-stage process for the treatment of organic waste comprising: (a) drying the sewage sludge waste to reduce the water content to below 15%; (b) mixing of dried sewage sludge with solvent medium for slurry preparation; (c) subjecting slurry from step (b) to a the?no-chemical liquefaction process in the presence of a solvent medium at a temperature of about 275° C.

Abstract: There is disclosed an environmentally friendly method for recovering gold, silver, copper and iron from valuable metal-contained plasma-molten slag. At first, plasma is used to burn the used printed circuit boards, thus producing the slag. Then, the slag is grinded. Then, leaching, crystallization, precipitation, replacement and electric winning are conducted to recover gold, silver, copper and iron.

Abstract: The present invention relates to the isomerization of cis,cis and/or cis,trans muconic acid or esters thereof to trans,trans muconic acid or esters thereof and to the esterification of such muconic acids.

Abstract: Methods of processing a substrate in a PVD chamber comprising a target, a substrate and a process gas at a pressure sufficient to cause ionization of a substantial portion of species sputtered from the target are described. A capacitively coupled high density plasma is maintained by applying very high frequency power to the target. Sputtered material is ionized in the plasma and accelerated toward the substrate by a high frequency bias power applied to the substrate. The microstructure of the resultant film is controlled by modifying one or more of the pressure and the high frequency bias power.

Abstract: Methods of processing a substrate in a PVD chamber comprising a target, a substrate and a process gas at a pressure sufficient to cause ionization of a substantial portion of species sputtered from the target are described. A capacitively coupled high density plasma is maintained by applying very high frequency power to the target. Sputtered material is ionized in the plasma and accelerated toward the substrate by a high frequency bias power applied to the substrate. The microstructure of the resultant film is controlled by modifying one or more of the pressure and the high frequency bias power.

Abstract: A sputter-coating apparatus includes a vacuum housing, a substrate holder and a target holder positioned in the vacuum housing and facing each other, a temperature sensing unit, a heating unit, and a control unit. The substrate holder is configured for supporting a plurality of substrates to be coated and includes a central portion and a peripheral portion surrounding the central portion. The target holder is configured for mounting target material. The temperature sensing unit is configured for detecting a temperature of the central portion and a temperature of the peripheral portion. The control unit is configured for comparing the temperature of the central portion and the temperature of the peripheral portion and controlling the heating unit to heat the peripheral portion if the temperature of the central portion is greater than the temperature of the peripheral portion.

Abstract: A filtered cathodic arc device includes a plasma generating module which generates plasma using an arc discharge which has a cathode target as a deposition raw material; a deposition processing chamber in which a deposition receiving substrate is placed; a curved magnetic field duct that is placed between the plasma generating module and the deposition processing chamber, and that guides plasma generated by the plasma generating module to the deposition processing chamber with a magnetic field; a wool medium formed of a nonmagnetic metal fiber which covers the interior wall of the magnetic field duct; and a bias power source for the wool medium. The device balances reduction of particulate particles and a high deposition rate.

Abstract: An inexpensive, easily renewable bioelectronic device useful for bioreactors, biosensors, and biofuel cells includes an electrically conductive carbon electrode and a bioelectronic interface bonded to a surface of the electrically conductive carbon electrode, wherein the bioelectronic interface includes catalytically active material that is electrostatically bound directly or indirectly to the electrically conductive carbon electrode to facilitate easy removal upon a change in pH, thereby allowing easy regeneration of the bioelectronic interface.

Abstract: A gas sensor apparatus and method of forming the same generally includes a gas sensor element comprising a heater and a plurality of electrodes. A ceramic substrate can be provided for supporting the electrodes on one side of the ceramic substrate and the heater on the opposite side of the ceramic substrate. The gas sensor element is preferably embedded in the ceramic substrate. The ceramic substrate also possesses a substantially circular shape in order to prevent a breakage of the gas sensor element, avoid thermal loss, and permit the gas sensor apparatus to withstand mechanical shock and high vibrations while occupying a minimal package space.

Abstract: The invention provides a method of separating a complex comprising a first agent bound to a second agent from unbound agents comprising (a) preparing a gel comprising a gel matrix and a neutral solute, (b) placing one or more samples comprising the complex and unbound agents on the gel, and (c) applying an electrophoresis voltage across the gel and separating the complex from the unbound agents. The invention also provides methods of separating a complex comprising a first agent bound to a second agent from unbound agents by chromatography and capillary electrophoresis.

Abstract: A method of diagnosing Parkinson's disease uses the abnormal concentrations of a group of 21 blood serum protein biomarkers. The concentration of the 21 protein biomarkers is assessed in a patient's serum by quantitative two-dimensional polyacrylamide gel electrophoresis.

Abstract: An alloy is created by melting aluminum, zinc, rare earth metals such as erbium and/or tellurium, and optionally vanadium. During cooling, the molten alloy is exposed to ultrasonic waves in order to prevent separation of the alloy into layers. The alloy is used for one electrode and a separate conductive element such as stainless steel or carbon is used for the other electrode in a water filter. A constant potential difference and electrical current is created between the two electrodes across the water. In an embodiment where carbon or zeolite is used as the filtration medium, the constant voltage and current increase bonding of ions in the filtration medium with pollutants in the water. In an embodiment wherein a mixed bed resin containing sodium ions and potassium ions is used as the filtration medium, the constant voltage and current increase the bonding of the sodium and potassium ions with residual chlorine ions in the water.

Abstract: According to one embodiment, a three dimensional structure of a stamper is subject to etch by supplying a pulsed electric currentelectric current to the surface of the stamper.

Abstract: There is provided a method of manufacturing a wiring substrate. The method includes: (a) forming a first resist layer having first openings therein on a first surface of a support plate, forming first plated films in the first openings by an electrolytic plating method, and removing the first resist layer; (b) forming a second resist layer having second openings therein on the first surface of the support plate, forming second plated films in the second openings by an electrolytic plating method, and removing the second resist layer; (c) forming a wiring layer and an insulating layer such that the wiring layer is electrically connected to the first and second plated films; and (d) removing the support plate to expose the first and second plated films.

Abstract: There is provided a substantially permanent stainless steel cathode plate suitable for use in electrorefining of metal cathodes, the cathode being composed of a low-nickel duplex steel or a lower grade “304” steel, wherein operational adherence of an electrodeposition thereon is enabled by altering various qualities of the cathode surface. There is also provided a method of producing the above duplex or Grade 304 cathode plates, such that the desired operational adherence of the deposit upon the plate is not so strong as to prevent the deposit being removed during subsequent handling.

Abstract: A current-leveling electrode for improving electroplating and electrochemical polishing uniformity in the electrochemical plating or electropolishing of metals on a substrate is disclosed. The current-leveling electrode includes a base electrode and at least one sub-electrode carried by the base electrode. The at least one sub-electrode has a width which is less than a width of the base electrode to impart a generally tapered, stepped or convex configuration to the current-leveling electrode.

Abstract: Disclosed methods reduce the discontinuities that between individual layers of a structure that is formed at least in part using electrochemical fabrication techniques. Discontinuities may exist between layers of a structure as a result of up-facing or down-facing regions defined in data descriptive of the structure or they may exist as a result of building limitations, e.g., those that result in non-parallel orientation between a building axis and sidewall surfaces of layers. Methods for reducing discontinuities may be applied to all regions or only to selected regions of the structure. Methods may be tailored to improve the accuracy between an original design of the structure and the structure as fabricated or they may simply be used to smooth the discontinuities between layers. Methods may include deposition operations that selectively favor filling of the discontinuities and/or etching operations that selectively favor removal of material from protrusions that define discontinuities.

Abstract: Embodiments are directed to electrochemically fabricating multi-layer three dimensional structures where each layer comprises at least one structural and at least one sacrificial material and wherein at least some metals or alloys are electrodeposited during the formation of some layers and at least some metals are deposited during the formation of some layers that are either difficult to electrodeposit and/or are difficult to electrodeposit onto. In some embodiments, the hard to electrodeposit metals (e.g. Ti, NiTi, W, Ta, Mo, etc.) may be deposited via chemical or physical vacuum deposition techniques while other techniques are used in other embodiments. In some embodiments, prior to electrodepositing metals, the surface of the previously formed layer is made to undergo appropriate preparation for receiving an electrodeposited material.

Abstract: A hydrogen generating system includes an electrode plate assembly including a plurality of electrode plates, a first connector and a second connector, each connector connected to at least some of the plates, an amperage sensor, a temperature sensor, and a controller capable of receiving signals from the amperage sensor and temperature sensor to monitor an amperage and a temperature of the hydrogen generating system. The controller includes a processor programmed to receive a target amperage, select, based on the target amperage, certain of the plurality of conductive plates to receive voltage input during a predetermined duty cycle, determine an actual amperage and an actual temperature resulting from the voltage input, compare the actual amperage and the actual temperature to a respective amperage threshold and temperature threshold; and adjust the duty cycle for applying voltage based on the comparison.

Abstract: According to one embodiment, a process for producing rare metals includes the steps of: electrolyzing an electrolytic solution to extract a Re oxide at a cathode; recovering the Re oxide, and electrolyzing the Re oxide in a molten salt electrolyte to extract metallic Re; recovering a Nd containing residue solution; treating the Nd containing residue solution to produce Nd oxide; electrolyzing the Nd oxide in a molten salt electrolyte to extract metallic Nd; recovering a Dy containing residue solution; treating the Dy containing residue solution to produce Dy oxide; and electrolyzing the Dy oxide in a molten salt electrolyte to extract metallic Dy.

Abstract: An electrolysis stack (53) with oxygen-depolarized cathodes (31) employs solid-plate anodes (38) and porous-plate cathodes (42). The stack (53) of electrolysis cells (29) (e.g, hydrogen-chloride or chlor-allkali cells) each include an ion exchange membrane (32) sandwiched between an anode conductor (34) and a permeable cathode (35); an oxygen-consuming gas diffusion cathode (31) is adjacent the cathode conductor of each cell. Between the anode conductor of one cell and the gas diffusion cathode of an adjacent cell there is a composite bipolar plate (51) including a solid plate (38) having channels (39) for conducing salt solution and product of the process; the bipolar plates also include a porous plate (42) having channels (43) for conducting oxidant adjacent the gas diffusion cathode and channels (49) connected to a source of liquid (such as water or dilute sodium hydroxide).

Abstract: An electric field modifier for boosting a current output of a sacrificial anode to enhance its protective effect and direct the current output to improve current distribution in galvanic protection of steel in a concrete element exposed to air is disclosed. A cavity is formed in a concrete element and a combination comprising a sacrificial anode, an electric field modifier and an ionically conductive filler are embedded therein. The sacrificial anode is connected to the steel. The modifier comprises an element with an anode side, supporting an oxidation reaction, in electrical contact with a cathode side, supporting a reduction reaction. The cathode of the modifier faces the sacrificial anode and is separated therefrom by a filler which contains an electrolyte that connects the sacrificial anode to the cathode of the modifier. The anode of the modifier faces away from the sacrificial anode. Preferably, the reduction reaction, on the cathode of the modifier, comprises reduction of oxygen from the air.

Abstract: Provided is a standalone integrated water treatment system for a distributed water supply. A filter input receives water to be treated. A coagulation system is in operative connection with the filter input, wherein the water which has been filtered is subjected to a coagulation process performed by the coagulation system to create pin floc from suspensions in the water. A maturation buffer tank is in operative connection with the coagulation system, wherein floc is aggregated in size within the water. A spiral separator is in operative connection with the maturation buffer tank, and the water is separated into two water streams, a first stream of water having most of the floc removed, and a second stream of water which includes a concentrated amount of the floc. An optional filtration system is in operative connection with the spiral separator and is configured to receive the first stream of water and to perform a filtration operation on the first stream of water.

Abstract: A method of correcting NOx sensor includes the steps of preparing a corrective map in advance, finding an existing proportion of NO or NO2 in a mixture of NOx in exhaust gases before coming into an NOx sensor, and correcting an NOx concentration that the NOx sensor detects actually. The corrective map records relationships between temperature physical quantities that are relevant to a temperature of the exhaust gases, oxygen-concentration physical quantities that are relevant to an oxygen concentration in the exhaust gases, and the existing proportion. The existing proportion is found with reference to the corrective map using the temperature physical quantities and oxygen-concentration physical quantities that are detected actually. The NOx concentration is corrected on the basis of not only the existing proportion but also a difference between an NO2 diffusion velocity and an NO diffusion velocity.

Abstract: An array of packages. Each package has a different primary color, a common secondary color and a tertiary color matching the respective primary color of that package. The packages in the array may further have a common quaternary color.

Abstract: A housing for accommodating at least one gas stopper, comprising at least one inlet opening for an empty tube, wherein a glass fiber cable runs in the empty tube, wherein the housing has at least one holder for at least one gas stopper or at least one attachment element for the holder for the at least one gas stopper, and at least one outlet opening for the glass fiber cable.

Abstract: A decontamination system suitable for decontaminating items of medical equipment such as endoscopes, the system comprising: (I) a plurality of pre-clean wipes comprising moist fabric members for wiping an item to be decontaminated; (II) a two-part sterilant system comprising: (a) a first part comprising a first reagent in a carrier medium; and (b) a second part which is miscible with the first part and which comprises a second reagent in a carrier medium; wherein the first reagent and the second reagent will react when mixed to provide a sterilising composition; the first part being contained in a dispenser (2) whereby it may be dispensed as a fluid, and the second part being absorbed or impregnated in a plurality of sterilising wipes (18) each of which comprises a fabric member in a sealed container (20); and (III) a plurality of rinse wipes, each rinse wipe comprising a moist, sterile, fabric member in its own sealed container (40).

Abstract: A universal shoe box has plural faces formed of a common continuous material with each face having a preferential fold disposed between adjacent faces which enable the quick assembly and disassembly of the shoe box. The shoe box includes a display window to enable quick and efficient visual identification of the contents of the shoe box on an image/photograph depicted on a card which may be disposed within the window. Two embodiments of the shoe box are presented, one primarily suited for residential/after market usage and one primary suitable for retail storage usage.

Abstract: A disk cartridge includes, between a recordable position and an unrecordable position, a first guide surface that gradually increases an elastic force of an elastic arm of a tab member and a second guide surface that gradually decreases the elastic force of the elastic arm, and a guide wall (guide portion) on which the guide surfaces are formed continuously.

Abstract: A top frame is mounted on a golf bag to hold heads of golf clubs and has a base, a support and transverse rows of multiple dividing spaces. The support is formed on the base and has multiple crossbeams transversely formed on the support at different levels. The transverse rows of the dividing spaces are defined through the support, correspond to the crossbeams, are located different levels and respectively hold the golf clubs. The dividing spaces in different levels appropriately classify the golf clubs with different lengths so that a user may quickly access to a desired golf club without seeking and consideration.

Abstract: A portable foldable multi carriage device that enable achieving large lateral gaps between carriages and enable modes of opening in which the carriages are not parallel, the portable foldable multi carriage device including a pair of first support members, wherein each of the first support members has two ends, a pair of second support members, wherein each of the second support members has two free ends, and a long shaft, wherein the pair of first support members is mounted on the long shaft and wherein the pair of second support members is mounted on the long shaft, having a rotational capability with regard to each other, the long shaft being the center of the rotation.