Abstract: A musical instrument that can play notes and scale tones without physically touching the device. Microprocessor control, and its associated DSP functionality, permit designer and performer to determine fine musical characteristics and virtual frets resulting in a pleasant and playable digital Theremin. Control over key, scale, octave, slew, snap and other characteristics are provided.

Abstract: This invention relates to an armour arrangement (10). The armour arrangement (10) comprises a plurality of disruption members (12) located adjacent one another, being at least partially spaced apart from one another and being angularly displaced relative to the surface. Each disruption member is arcuate in cross-section and includes three disruption bodies (14), positioned side-by-side to, such that the disruption member is in the shape of a half-parabolic curve.

Abstract: A blast shield formed as a multilayer sandwich of composite material configured to provide protection to bystanders in close proximity to operation of a linear shaped charge. An exemplary embodiment may be used to shield passengers when explosively cutting an emergency door in airliners. The composite material forming a blast shield may have two types of composition: the first type contains a layer of carbon fiber cloth, a layer of natural rubber and a layer of Kevlar fiber cloth, from the inside out in order. The second type contains a layer of carbon fiber cloth, a layer of Kevlar fiber cloth and a layer of polyurethane rubber, from the inside out in order. Both types typically use epoxy resin as the bond between each layer. Through the composition of fiber and rubber, embodiments can effectively block the spread of explosive shock waves, reduce the noise, decrease the weight of protective devices, and avoid forming wounding debris.

Abstract: A fluid control system for use with a patient support apparatus is moveable from a first height to a second height. The system includes a lift arm and a substantially upright cylinder. A first end of the lift arm is pivotably coupled to a base member and a second end of the lift arm is coupled to a chair structure. The cylinder assembly has a base portion and an extendable member configured to contact and support the lift arm. The cylinder assembly includes a bypass valve having a first end in fluid contact with an upper reservoir and a second end in fluid contact with a lower reservoir.

Abstract: An axial piston machine in a swash-plate construction with an actuating device. The actuating device comprises a actuating piston and a mating piston. The actuating piston and the mating piston are connected to the swash plate each with the first end thereof and can be applied with the second end thereof with a force acting in the direction of the first end. For resetting the swash plate in the direction of a resting position, an elastic element is provided on the actuating piston and on the mating piston, which is supported on a spring bearing arranged on the first side facing the swash plate of the actuating piston or of the mating piston. In the other direction, the elastic element is supported on a second spring bearing arranged on the end facing away from the swash plate of the actuating piston or of the mating piston.

Abstract: As seal assembly for a ram assembly is provided. An elongated ram extends through the seal assembly. The seal assembly includes a housing body, a plurality of seals and a retaining, and compression, device. The seals, as well as a male energizer and a female energizer, each have a split body. In this configuration, the seals and energizers may be replaced without removing the seal assembly housing body and retaining device from about the ram. This further allows for the ram to remain in place during seal replacement. That is, the split seals may be separated an placed about the ram. Once in place, the ends of the split seal are joined at an interface. The retaining/compression device compresses the seals so that the interface is sealed.

Abstract: A wear resistance reinforcing method for a sliding structure formed from at least a pair of components in a sliding relation and provided with a seal member on a sliding face of a first component. A wear-resistant metal-plated film formed from a metal having a predetermined reactivity with the material of the seal member is provided on a sliding surface of a second component. The present invention enables provision of a wear resistance reinforcing method and a sliding structure which improves workability of a film to impart wear resistance properties in addition to low unevenness in wear resistance properties.

Abstract: A gas purification method of the present invention uses a carbon membrane having a molecular sieving action to purify at least one selected from the group consisting of a hydride gas, a hydrogen halide gas, and a halogen gas, each gas containing an impurity at 10 ppm or less. The present invention can be used for a recovery unit that recoveries a used gas to reuse it as an ultrapure semiconductor material gas, and a unit or equipment that produces or charges an ultrapure semiconductor material gas.

Abstract: A method for the purification of a feed gas stream containing CO2 and water and at least one impurity chosen from NOx and SOx, comprising the incorporation of a purification step for the preferential elimination of water is provided.

Abstract: Device (34) for separating particles and/or drops of solid/fluid material out of a fluid, which device comprises a cyclone (14) with an inlet (16) and an outlet (28). The device comprises a centrifuge (36) that is arranged to separate particles and/or drops of solid/fluid material from the outlet fluid in said cyclone (14). The centrifuge (36) is located downstream of the cyclone (14) and is located in the cyclone (14). The centrifuge's axis of rotation is arranged to extend in the same direction as the cyclones axis of rotation and that the centrifuge (25) comprises a plurality of lamellae (40) that is arranged coaxially on a shaft (42) at a distance from one another so that fluid channels are formed between adjacent lamellae (40) and so that fluid flows in between adjacent lamellae (40) in a direction from the lamellae's periphery (4Op) towards said shaft (42) when said centrifuge (36) is in use.

Abstract: A PM sensor is provided having high responsiveness and capable of long term detection. A PM sensor 11 includes a sensor element 12 that has particulate collection electrodes 123A, 128A to which a particulate collection voltage for causing particulate matter contained in exhaust to adhere to a sensor element 12 is applied, and measurement electrodes 127A, 127B to which a measurement voltage for measuring an electrical characteristic of the sensor element 12 is applied, in which, after a particulate collection voltage is applied to the particulate collection electrodes 123A, 128A, application of the particulate collection voltage is stopped in response to a predetermined condition being satisfied, the measurement voltage is applied to the measurement electrodes 127A, 127B, and the electrical characteristic of the sensor element 12 is measured.

Abstract: A dryer for an air suspension for a vehicle, includes a housing having an inlet port and an outlet port, a desiccant disposed between first and second filters within the housing, and a guide member including a shielding cylinder portion and a plate portion having plural communication holes, wherein the guide member is disposed between the inlet port and the first filter positioned closer to the inlet port, supports the first filter and the desiccant and guides a fluid to the desiccant, the shielding cylinder portion includes an opening and forms a flow passage for guiding the fluid, the fluid is guided to the desiccant from the inlet port via the shielding cylinder portion, and the flow passage and the communication holes, so that the fluid is dried by the desiccant and is then discharged from the dryer as a dry air to the air suspension for the vehicle.

Abstract: The invention relates to a mist eliminator system for gas scrubbers and the like. Said mist eliminator system comprises front and rear mist elimination layers in relation to the direction of the flow of gas, which layers are composed of respective rows of parallel mist elimination profiles, one layer of which being configured in the shape of a V or of an upturned V and the lateral sections of this layer extending away from the corresponding lateral sections of the other layer or extending in parallel thereto. Both mist elimination layers can be or are received on a single common carrier structure by a common lateral wall or a common supporting structure on which the lateral walls of the mist elimination layers are stationarily or detachably arranged.

Abstract: A separator is provided. The separator in which the flow is conducted using separation elements from an inflow to an outflow in such a manner that at reversal points media separators deposit a separation medium. Depending on the flow through them and the orientation with respect to the acceleration due to gravity, individually shaped separating elements are arranged in such a manner that at least two different paths of the flow along the separating elements in the separator form.

Abstract: This invention involves ship flue gas desulphurization method and system. It employs seawater to reduce SO2 and other pollutant discharged by ship. The method includes seawater scrub, acidic seawater transfer, deacidification, and discharge processes. The system includes a scrubber and a water-saving deacidification device. Upper portion of the scrubber comprises a scrubbing section which is connected with scrubbing seawater pump by pipelines. Lower portion of the scrubber comprises a cooling section. One end of the scrubber links the ship engine smoke pipe by a scrubbing inlet pipe, and the other end links the scrubber to a scrubbing outlet pipe. The water-saving deacidification device lies below the scrubber and is connected with it. The water-saving deacidification device is coupled to a blending seawater pump, fan, and total drain pipe for discharging seawater after deacidification. This invention provides high desulphurization efficiency, and requires small seawater quantity.

Abstract: A filter device for filtration of gaseous fluids has a multi-part housing with a first housing part and a second housing part connected to one another in a mounted state of the multi-part housing. A filter element is insertable into the multi-part housing. A connecting device penetrates the filter element and provides a connection between the first and second housing parts. The connecting device has at least one first housing projection monolithically formed on the first housing part. The connecting device further has a damping element arranged between the at least one first housing projection and the second housing part.

Abstract: A dust collecting apparatus for compressing dust is provided. The dust collecting apparatus for compressing dust may include a centrifugal dust separating device having a dust outlet, a compressing device formed inside the dust receptacle, and including a compressing plate in which a dust inlet is formed, and a dust passage forming member forming a dust passage between the dust outlet and the dust inlet.

Abstract: A beverage mixing vessel or drink shaker has internal features effective for breaking up ice as the beverage mixing vessel or drink shaker is shaken. One or more protrusions disposed near the bottom of a container have apexes aligned in the direction of shaking motion. The impact of ice cubes upon the apexes of the protrusions facilitates breaking the ice cubes into smaller pieces, thereby having the effect of cooling a mixed beverage more quickly.

Abstract: A coffee machine has a single serve function that utilises a reservoir level sensing mechanism so that a single serve dose of water can be dispensed into the grounds regardless of the water level In the machine's reservoir.

Abstract: A hot drink maker is provided. The hot drink maker includes a heating device for making various hot drinks. The heating device can be set in advance with a desired temperature and time for making a hot drink so that the heating device heats Water to the desired temperature and pumps the heated water into a steeping space in which a bag containing a raw material of the hot drink is placed. When the set time is up, a cam is driven to rotate, thereby pushing a pushing rod upward. Consequently, a seesaw element resiliently engaged with a plug rod at an end of an outlet of a steeping chamber is tilted so as to discharge a finished hot drink prepared by steeping into an adjacent pitcher along the lowered plug rod, and thus the hot drinkis made conveniently.

Abstract: The invention provides an appliance (1) and at least one disposable capsule (C1), the appliance including: —a brewing chamber (2) suitable for receiving a capsule and a closing pressure plate (3) that is movable axially (4) and is suitable for moving the capsule axially relative to the brewing chamber (2) during its axial movement in which it closes the brewing chamber (2); —polarizing means for the forced unambiguous positioning of the capsule (C1) within the brewing chamber (2); —a first hydraulic drink outflow path (10) suitable to be connected to a first orifice of the capsule (C1), through the brewing chamber; and—a second hydraulic drink outflow path (11), hydraulically separate from the first hydraulic path (10), which is suitable to be connected to a second orifice of the capsule, through the brewing chamber.

Abstract: There is provided a cooking device which can easily carry out heating setting when performing heating control according to a set temperature. A cooking device includes a heating unit (4) operable to heat an object to be heated; an operation unit (8) including temperature setting switch (11, 12a, 12b) for setting a heating temperature; a temperature sensor (7) operable to detect a temperature of the object to be heated; and a control unit (5) operable to control the heating unit so that the temperature detected by the temperature sensor is equal to the set temperature set by using the temperature setting switch; wherein the control unit automatically sets the cooking mode based on the set temperature.

Abstract: A cooking device comprises a rotatable food basket disposed within the cooking device and a damping mechanism configured to reduce a vibration generated by the rotatable food basket rotating within the cooking device. An aspect of the cooking device includes a basket partition in the rotatable food basket, and the basket partition is configured to maintain a substantially equal distribution of a food within the rotatable food basket. The cooking device includes a motor in a hood for rotating the rotatable food basket, and it further includes a lifting plate and a lifting mechanism operable to move the rotatable food basket between a cooking section and a spinning section. The cooking device may also comprises a first basket portion and a second basket portion configured to be disposed within a first section and a second section of the rotatable food basket.

Abstract: A food cooking grill assembly has a housing that supports a lower platen which has a cooking surface, and an upper platen having a cooking surface. A handle assembly connects to the upper platen. Handle assembly connects to a guidance assembly and to a hinged and pivotal counterbalance assembly to control the orientation and position of the upper platen relative to the lower platen. The counterbalance assembly interacts between the upper platen and the housing to counter the weight of the upper platen and to react to force exerted through the handle assembly.

Abstract: Some food pathogens are not well controlled by lethality treatments followed by refrigeration. A food processing facility according to this invention reduces the likelihood that food pathogens will be able to enter the food processing facility, or spread should they be able to enter. The food processing facility is divided into a plurality of area, with different areas having different allowed actions that can be taken on the food product, different rules and/or procedures for persons who are allowed entry, and/or different levels of cleanliness. The hod processing facility includes a plurality of separate rooms for processing the food product, each including separate food processing machines, air handling systems, drain systems and/or often-used supplies and tools. Different air pressures within different areas limit the possible movement of airborne food pathogens. Sanitizing stations are placed between various ones of the different areas.

Abstract: A processing machine for soybeans and soybean-embryos is provided, with improved efficiency in the deodorizing and drying processes and the capability to perform a deactivating process in a stable manner. A closed container is divided into individual sections by partitions. In each section, the temperature conditions for the deodorizing and drying processes can be independently determined, so that these processes can be performed within the same closed container and yet at different temperatures. A space is provided above a screw conveyer within the closed container. A heater is wound around the closed container so that the temperature can be freely regulated.

Abstract: An antimicrobial treatment method for treatment of solid and semisolid foods in industrial food transport systems is provided. For solid and semisolid food applications, the method and related apparatus comprises a conveyor-based transport system in which antimicrobial additives are added to food packaging. The additives are metered into the packages using optical sensors to identify the size of packages, the amount of additive to be administered, and when such packages are in position to receive administration of the additives. The method is capable of realizing greater than 3 log reductions in live microbes in foodstuffs. The technology may also be used to apply any liquid or semi-solid additive or ingredient into packaging, including in nonfood applications such as medical equipment manufacturing.

Abstract: A dough dividing apparatus includes a dough discharge member (26) having a front end surface (30) having a recessed surface (28) extending substantially horizontally and having a circular arc-shaped cross-section and dough discharge holes (34) having outlets (32) opening on the front end surface, cutters (38) having cutting edges (36) extending in the longitudinal direction of the recessed surface (28), and a cutter driving device (40) that causes the cutting edges (36) to perform circular motion while keeping the cutters in a fixed posture so that the cutting edges periodically slide along the recessed surface downward from above it to cut and divide dough continuously extruded from the outlets (32).

Abstract: A cutting wheel using knives with slice thickness gauging surfaces defining, with the knife cutting edges, a thickness dimension of sliced food products and a throat dimension measured perpendicular to the wheel cutting plane between each knife cutting edge and the terminal edge of the adjacent gauging surface, wherein the knives each have a single primary bevel extending practically tangent to the cutting plane on the side of the knife facing towards the cutting plane and a smooth transition area on the opposite side of the knife, and the ratio of throat dimension to slice thickness dimension is 1 to 1.7.

Abstract: IMPROVEMENT INTRODUCED IN APPARATUS FOR BRIQUETTING DRY CRUSHED CANE AND OTHER BAGASSES constituted by reception, on upper and lower deflector plates of feed hopper, of dry crushed cane and other bagasses, broken up by rotating shaft bearing long and short rods for capture by collector blades of distributor screw driven by geared electric motor, the same being forced into guide tubes having endless screws of progressively smaller pitch driven by geared electric motor for the purpose of precompaction of said dry crushed cane and other bagasses in precompaction chamber, being compressed by compactor pistons within cylindrical tube having a slightly conical base forming briquette, said pistons being driven through the action of crankshaft supported by block driven by large electric motor, the finished briquettes passing through guide arms being ruptured by curved rods, the development whereof permitting the obtainment of an apparatus having simple operation and compact size permitting conversion of dry crushed c

Abstract: The invention relates to a punching press with a clamping plate (27) and with a press ram (1) which lies opposite the upper side of the clamping plate (27) and operates towards the clamping plate (27) and is moveable up and down via four tension columns (2) by means of a crank drive arranged below the belt movement plane (X) of the punching press. The press ram (1) is guided exclusively via the tension columns (2) which, in turn, are guided in inclination-tolerant guides (3) in the belt movement plane (X) in such a manner that the press ram (1) and the tension columns (2) can be positioned obliquely as a consequence of differing longitudinal expansion of the tension columns (2) under an eccentric load by the tension columns (2) being inclined about axes of inclination running in the region of the belt movement plane (X) of the punching press.

Abstract: An electric circuit is applied to an object having a curved surface. The curved surface of the object is divided into sections, and the circuit is applied one section at a time. The circuit is formed between layers of dielectric material. The dielectric is applied by a computer-controlled device, which controls the position of a spray head and the rotation of the object, such that the spray head is held substantially perpendicular to the surface of the object at all times, and such that a controlled thickness of dielectric material can be deposited. The fine-featured circuits formed by the invention are rugged, and can be used on objects intended to be exposed to harsh environments.

Abstract: A screen printing machine and method, the screen printing machine comprising: a print head (111) which is operable to drive a material through a printing screen (109) and deposit the material onto a workpiece (w); an imaging unit (121) which comprises a vision camera (123) for imaging at least one of the printing screen (109) and the workpiece (w), and a positioning mechanism (125) which is operable to position the vision camera; and an end effector (141) which is operable to perform an operation on the workpiece and is coupled to the vision camera, such as to be moved commonly therewith by the positioning mechanism, wherein the screen printing machine is operable in one of a first mode in which the print head is operated to print material deposits on the workpiece, and a second, mode in which the end effector is actuated to perform an operation on the workpiece at defined positions.

Abstract: It is, therefore, an object of the present invention to provide a spray dampener which prevents the foreign matter such as ink mist from being introduced into the spray dampener and prevent the dampening water in the spray dampener from being leaked outside that. The spray dampener includes a pair of partitioned spaces. The partitioned spaces are formed along the edges. The spray dampener includes a plurality of air nozzles. The air nozzles are received in the partitioned spaces and spaced from each other longitudinally of the dampening water roller to spout compressed air toward the outer surface of the dampening water roller.

Abstract: A transport roller includes: a roller body of which a pair of end surfaces face each other by a press work so as to be in a cylindrical shape; and a high friction layer which contains inorganic particles and is provided on a surface of the roller body. Here, the roller body is provided with a joining portion which is formed by separating the pair of end surfaces. In addition, an average particle diameter of the inorganic particle is equal to or less than a distance between the pair of the end surfaces of the roller body on an outer peripheral surface side thereof.

Abstract: A web fed rotary printing press apparatus and a method for operating the same which includes at least one reconfigurable printing mechanism, a sensor for detecting the end of a print job, and a controller coupled to the sensor and the at least one printing mechanism for providing control signals representing predetermined printing parameters for a subsequent print job to the at least one print mechanism upon detection of the end of a print job. The apparatus may further include a planning computer coupled to the controller for generating printing parameters for each print job based on user input. Furthermore, the printing parameters generated by the planning computer for a print job may be stored as data in JDF files communicated to the controller which may be used to provide control signals representing predetermined printing parameters for a print job based on the data in the JDF files.

Abstract: A printing assembly includes a cylindrical sleeve having an inner surface and an outer surface. The inner surface defines a first channel and the outer surface defines a port fluidly connected to the first channel. The inner surface is configured for lateral movement along a nonporous surface in response to a first flow of pressurized air being directed into the first channel from the port. The inner surface is also configured to fixedly mate with the nonporous surface in response to removal of the flow.

Abstract: A pallet assembly for use in simultaneously printing multiple articles of manufacture. The assembly includes a pallet having a support surface, a carrier mountable onto the pallet and conforming with the pallet surface features (e.g., individual article of manufacture platforms) such that individual articles of manufacture may be place on the support surface(s) of the pallet yet the carrier substantially covers the remaining areas of the top surface of the pallet to protect the pallet from unintentional application of ink by the printer. The carrier also includes supports which allow a carrier loaded with articles of manufacture to be lifted off of the pallet and carried away for further processing. The assembly may also include a positioner which is mountable over the carrier on the pallet. The positioner operates as a jig for aligning each of the articles of manufacture in proper position on the support surface of the pallet.

Abstract: Projectiles are provided having a shell and; one or more actuators for providing thrust disposed inside of a wall of the shell; one or more ring portions forming at least a portion of the shell, the one or more ring portions having one or more actuators formed therein for providing thrust and/or one or more actuator stacks for providing thrust, the one or more actuator stacks each having two or more individual actuators for providing thrust.

Abstract: A bituminous composition with improved paving performance, comprising a high-concentration-emulsifier bituminous emulsion is disclosed. The high-concentration-emulsifier bitumen emulsion has a higher content of surfactant than the conventional bitumen emulsion, thus facilitating the use of low levels of emulsion in the finished bituminous paving composition. Additionally, the high-concentration-emulsifier bitumen emulsion has superior surfactant dispersion property compared to the inverted bitumen dispersion, thereby enhancing the mixing and coating performance of the bituminous composition. The disclosed bituminous compositions may be used in a pavement construction at a much lower temperatures range compared to the conventional hot-mix bituminous composition, yet it develops adhesive strength and load-bearing strength properties at rates comparable to those of hot mix bituminous paving compositions.

Abstract: The invention concerns a fabrication method of a bituminous emulsion, consisting in the use of a primary bitumen emulsion, possibly diluted, characterized by a median diameter of less than 2 ?m, as aqueous phase of a secondary bitumen emulsion characterized by a median diameter of more than 2 ?m, wherein the final emulsion thus obtained is characterized by a bitumen content of 50% to 95% by weight, a STV viscosity at 40 C through the 4 mm orifice of less than 300 s and a settling tendency of less than 10% as determined by means of assay EN 12847.

Abstract: An industrial waste byproduct from a titanium metal or a titanium dioxide production process can be utilized as a partial cement replacement. In some embodiments, the byproduct can comprise a byproduct from the production of titanium dioxide pigment from a sulphate process or from a chloride process. The cement can be used to make concrete and other cementitious material products for structural and non-structural uses, for example, grout, mortar, gunite, stucco, masonry, decorative stonework, bricks, blocks, roof tiles, floor tiles, cobblestones, pavers, combinations thereof, and the like.

Abstract: The invention relates to a monophase hydraulic binder containing silicon, calcium, oxygen and hydrogen atoms in an arrangement comprising silicate building units having an average connectedness of higher than Q1.5 and silanol groups, with none or a part of the calcium atoms being substituted for by a metal atom M[6]x+ sixfold or higher-coordinated with oxygen and/or none or a part of the silicon atoms being substituted for by a metal atom M[4]Yy+ tetrahedrally coordinated with oxygen, the molar ratio of [CaO+(x/2) (M[6]x+Ox/2)]: [SiO2+M[4]y+Oy/2] having a value of 0.2 to 2.0, and the binder having an H2O content of 3.5% by weight to 20% by weight, as well as a mixture containing this binder.

Abstract: A pallet system for use in the transportation and/or storage of elongate or extruded products which is mountable and demountable without the use of tools is disclosed. The pallet system including a plurality of base members, each having interlockable elements on at least one end and which are adapted to engage and interlock with a similarly configured adjacent base member such that an elongate base structure can be formed from the base members, and wherein each of the base members is also adapted to support a plurality of upright members.

Abstract: A lifting platform with microadjustment mechanisms comprises plural microadjustment mechanisms. The microadjustment mechanisms can cooperate with adjustment pieces to adjust the level degree of the lifting platform, and the relative distance between each two microadjustment mechanisms can be adjusted by moving the support portions of the respective microadjustment mechanisms within the displacement clearance defined between the holding grooves of the lifting platform and the adjustment discs. By such arrangements, the microadjustment time can be relatively reduced.

Abstract: A process for separating carbon dioxide from a fluid containing carbon dioxide, NO2, and at least one of oxygen, argon, and nitrogen comprises the steps of separating at least part of the fluid into a carbon dioxide enriched stream, a carbon dioxide depleted stream comprising CO2 and at least one of oxygen, argon, and nitrogen and a NO2 enriched stream and recycling said NO2 enriched stream upstream of the separation step.

Abstract: The present invention relates to a system for dry extracting and cooling incinerator clinkers, mainly comprising an extraction-cooling unit and means for separating the environment of the combustion chamber from that of said unit. The system is able to reduce the final temperature of the extracted clinkers, without exceeding the air quantity that can be admitted at the entrance to the combustion chamber of the incinerator (FIG. 1). When the air flow needed for cooling process exceeds said quantity that can be admitted, the system allows exceeding air to be sent in the most appropriate point of the boiler downstream of the combustion chamber, by suitable control means.

Abstract: An embroidery stitcher including an embroidery frame that holds a workpiece cloth and that is provided with a sewable area for sewing the held workpiece cloth; a transparent display device that has a display area that provides visibility behind thereof and that is capable of displaying embroidery pattern information of at least an embroidery pattern to be sewn; and an attachment mechanism that allows detachable attachment of the display device at a position that renders the display area and the sewable area to at least partially overlap.

Abstract: A device for attaching a fabric layer of a quilt to a leader that, in turn, attaches to a rail on a quilting machine so that the quilt may be pulled allowing the quilting machine to stitch the entire quilt.

Abstract: The present invention provides a detachable threader, which permits an upper holder block to be connected separately with a brake and a base; and the brake is linked with a propeller; a threading sheet is fixed on the propeller; with the orientation pin and restoring spring on the base, the upper holder block can be controlled in a manner to make the threading sheet move freely in the threading groove of the needle stand; additionally, a V-shaped groove is arranged at the bottom of the adapting hole; after the needle is inserted into the adapting hole, it can align automatically the needle hole with the threading groove; moreover, the base is linked with the detachable pedestal, wherein the inner space with an oblique surface is used to accommodate the needle and stitch.