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34results about How to "Short length" patented technology
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Device for filling soluble containers
ActiveUS20050076969A1Long lengthShort lengthPackaging cigaretteBarrels/casks fillingDouble blindedEngineering
A device for filling soluble containers such as capsules comprises an assembly for orienting and separating capsules including double blind capsules which have a longer cap length and shorter body length wherein such assembly has a top sheet for loading the capsules and a bottom sheet for orienting the capsules loaded therein and such said sheets capable of being relatively displaced with respect to each other. Slots are provided in the top sheet for limiting such displacement by setting free configuration for orientation of the capsules. An open closable gate is mounted to the top sheet for enabling easier loading and containment of the capsules within the top sheet, for orienting the capsules. The filler assembly has atleast a pair of sheets having profile cut portions and profile-cut strip for gripping the body of the capsules especially capsules having a longer cap length and shorter body length such as double blind capsules.
Owner:TAHIL RAJ VIKRAM
Multi-function towel and storage rack
Owner:PRO COM METAL CRAFT
Promoters and uses thereof
ActiveUS20180355354A1Short lengthSuitable for useOrganic active ingredientsSenses disorderGamma-synucleinPhotoreceptor degeneration
The present invention relates to a nucleic acid sequence derived from the regulatory region of the human gamma-synuclein gene and having a promoter activity in retinal ganglion cells. The present invention also relates to expression cassettes or vectors comprising said promoter operably linked to a nucleic acid sequence encoding a polypeptide of interest as well as viral particles or host cells comprising said expression cassette or vector. The present invention also relates to the use of said expression cassettes, vectors, viral particles or cells in the treatment of ocular disease, in particular ocular disease associated with retinal ganglion cell or photoreceptor cell degeneration.
Owner:SORBONNE UNIV +3
Method and apparatus for compactly coupling an optical fiber and a planar optical waveguide
ActiveUS20050152648A1Efficient couplingShort lengthCoupling light guidesOptical waveguide light guidePlanar optical waveguideLight wave
In accordance with the invention, an optical fiber is coupled to a planar waveguide through 1) a series of planar waveguide segments of enlarged cross section and 2) a segment of vertically tapered cross section. The combination of spaced segments and tapered segments provide efficient coupling over a much shorter length than required for conventional adiabatic coupling.
Owner:LUCENT TECH INC
Multiple-directional switching valve
ActiveUS7059237B2Short lengthEasy to operateServomotor componentsMechanical machines/dredgersEngineeringMechanical engineering
Owner:NABCO LTD
Encryption and decryption methods and encryption and decryption systems for webpage identification
ActiveCN106027228AShort lengthEliminate input and comparison operationsEncryption apparatus with shift registers/memoriesInverse operationThird party
The invention provides encryption and decryption methods and encryption and decryption systems for a webpage identification. The encryption method comprises the steps of acquiring target address information to be shared according to a webpage address sharing request, and obtaining a target webpage identification by parsing the target address information; performing salting treatment on the target webpage identification with a first fixed value, and then coding the identification to obtain a second character string; further performing salting treatment with a second fixed value and using a hash algorithm to generate a hash value, and cutting out n characters from the hash value as a fourth character string; and jointing the second character string with the fourth character string to obtain an encrypted webpage identification. The decryption method comprises the steps of disassembling the encrypted webpage identification according to a preset m value to obtain a fifth character string, and then decoding the fifth character string to obtain a seventh character string; and performing the inverse operation of salting treatment on the seven character string with a first preset value to obtain the webpage identification. According to the method of the invention, the encrypted webpage identification is short, prone to be shared to third-party applications, and also good in security.
Owner:NUBIA TECHNOLOGY CO LTD
Solar energy film battery laser engraving device and method
ActiveCN101417370AFeed distance is smallShort lengthFinal product manufactureLaser beam welding apparatusElectrical batteryEngineering
The invention discloses laser etching equipment of a solar thin film cell and an etching method. The equipment comprises two sets of etching systems which are distributed on a Y shaft base oppositely; each set of etching system comprises an X shaft motion system, a Y shaft motion system and a laser system; the X shaft motion system and the Y shaft motion system form a cross sliding table structure; a workpiece clamp is positioned at the upper part of the central part of the Y shaft base; a periphery clamping device of the workpiece clamp is arranged on a rack; a center support device of the workpiece clamp is arranged on a pillar which is positioned at the central part of the Y shaft base; the laser system is arranged on the X shaft motion system; and an etching head of the laser system extends to the lower part of the workpiece clamp. The invention has short feeding distance along the Y shaft direction; and the two sets of etching system work simultaneously, respectively do etching motion along a U-shaped path and etch coating layers of belt areas which are 10mm from the periphery of the workpiece in a combining mode, thus simplifying the production technique and improving the production efficiency, yield and production quality.
Owner:HANS LASER TECH IND GRP CO LTD
Thermal power measuring device
ActiveCN103712716AChemically stableReduce loading timeMaterial heat developmentCalorimeterHeat measurementEngineering
The invention discloses a thermal power measuring device. The thermal power measuring device comprises a constant temperature system, a heat measurement system, a reaction system, a heat calibration system, a gas supply system and a data collecting and control system. The constant temperature system comprises a temperature controller and a constant temperature furnace connected with the temperature controller. A heat measuring cylinder is arranged in the constant temperature furnace. A soaking block is arranged in the heat measuring cylinder. A reaction tank cavity and a reference tank cavity are formed in the soaking block and are symmetrical about the axis of the soaking block. The reaction system comprises a reaction tank sample holder and a reference tank sample holder. The calibration system comprises a reaction tank calibration sample holder and a reference tank calibration sample holder. The reaction tank calibration sample holder and the reference tank calibration sample holder respectively comprise a tubular sample rod and a soaking body II arranged at one end of the tubular sample rod. A ceramic tube is arranged in each soaking body II. A thermal resistor is wound around the ceramic tube of the reaction tank calibration sample holder. The thermal resistor is connected with four leads. The gas supply system comprises a reference gas source and a reaction gas source. The reaction tank cavity and the reference tank cavity are distributed symmetrically in the radial direction, and the influence of axial temperature change of the constant temperature furnace on the measurement of thermal power is offset.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Gas inflation/evacuation system incorporating a reservoir and removably attached sealing system for a guidewire assembly having an occlusive device
InactiveUS20060064071A1Short lengthReducing risk of potential damageBalloon catheterGuide wiresEngineeringBiomedical engineering
A gas inflation / evacuation system incorporating a reservoir and removably attached sealing system for a guidewire assembly having an occlusive device and method. A gas inflation / evacuation system is removably connectible to a proximal portion of a guidewire assembly where a sealing system interfaces and cooperatively interacts between the gas inflation / evacuation system and the proximal portion of the guidewire assembly to provide for repeated inflation and deflation of an occlusive balloon to provide a hubless guidewire assembly over which ablation and other type catheters can be loaded.
Owner:MEDRAD INC.
Composite wrap material with overlapping segments
A composite wrap material for wrapping a bale may include a segment of net wrap, a first barrier segment of semi-permeable material disposed to overlap with the segment of net wrap, and a second barrier segment of material disposed to overlap, at least in part, with the first barrier segment of semi-permeable material and the segment of net wrap. The segment of net wrap may be longer than an outer perimeter length of the bale and may be at least as wide as a width of the bale. When the bale is wrapped by the composite wrap material, the overlap of the second barrier segment of material with the first barrier segment of semi-permeable material may form first and second barrier layers to impede movement of liquid water from outside the composite wrap material to the outer perimeter of the bale.
Owner:DEERE & CO
Small high-density multi-core optical fiber connector
ActiveCN103901554AShort lengthEasy to disassembleCoupling light guidesOptical fiber connectorComposite material
The invention relates to a small high-density multi-core optical fiber connector. A plurality of contact pin parts are arranged in a spline shell of a plug, contact pin pressing plates are arranged on the tail portions of the contact pin parts, springs are arranged between the contact pin parts and the contact pin pressing plates, a fastening nut is arranged at the tail of the spline shell, and the fastening nut tightly ejects the contact pin pressing plates through a rear ejector sleeve. A metal shell of a socket is installed in an outer shell, each cavity of the metal shell is provided with a ceramic bushing, contact pin pieces are arranged in the ceramic bushings, ceramic bushing pressing plates are installed on the tail portions of the ceramic bushings, and a tail nut tightly ejects the ceramic bushing pressing plates through a contact pin ejector plate. The optical fiber connector is small in size and high in integration level, and can be used in small space. A viscose structure is not arranged inside a shell of the optical fiber connector, so that the optical fiber connector is convenient to disassemble, the whole internal structure can be taken out only by disassembling the tail of the optical fiber connector in the maintenance process, if some parts are damaged, only the damaged parts need to be replaced, other parts cannot be scraped, and therefore maintenance cost is low.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Buffer device for pneumatic sample conveying system
The invention discloses a buffer device for a pneumatic sample conveying system. The buffer device is arranged between a main conveying pipeline of the pneumatic conveying system and a power cabinet, and comprises a buffer pipeline and a branch pipeline for communicating between the main conveying pipeline and a power pipe of the power cabinet in a parallel manner; a forward one-way valve is arranged on the buffer pipeline; a reverse one-way valve is arranged on the branch pipeline; when the power cabinet sucks gas, negative-pressure gas of the main conveying pipeline only can be sucked into the power cabinet by the branch pipeline to enable a sample bottle sucked from the main conveying pipeline to enter the buffer pipeline to form buffering; and when the power cabinet blows the gas, positive-pressure gas blown by the power cabinet only can be blown into the main conveying pipeline by the buffer pipeline to synchronously blow the sample bottle in the buffer pipeline into the main conveying pipeline for pneumatic conveying. The buffer device has the advantages of scientific and reasonable design, low construction cost, good buffer effect and high safety.
Owner:HUNAN SUNDY SCI & TECH DEV
Pneumatic discharging ball valve
InactiveCN102042424AReduce volumeShort lengthPlug valvesOperating means/releasing devices for valvesBall valveEngineering
The invention discloses a pneumatic discharging ball valve, which comprises a discharging ball valve, wherein the valve rod of the discharging ball valve is connected with a linkage mechanism; the other end of the linkage mechanism is connected with a straight travel cylinder; and the straight travel cylinder drives the linkage mechanism to operate so as to control the opening and closing of the discharging ball valve. The pneumatic discharging ball valve has small size, a short valve body and high closing or switch-off capacity, does not leak, and is opened and closed sensitively.
Owner:江浪科技股份有限公司
Imaging lens, and portable electronic apparatus including the same
An imaging lens includes a first lens element, a second lens element, an aperture stop, a third lens element, a fourth lens element, and a fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
Owner:GENIUS ELECTRONICS OPTICAL CO LTD
Solenoid valve for brake system
ActiveUS20100001579A1Reduce manufacturing costShort lengthOperating means/releasing devices for valvesValve housingsMagnetic coreMagnet
Disclosed herein is a solenoid valve for a brake system to reduce manufacturing costs via a shorter length and more simplified configuration of a magnet core. In the solenoid valve for a brake system to be mounted in a bore of a modulator block having an inlet and an outlet, the solenoid valve includes a magnet core having a center longitudinal penetrating hole and an entrance and exit for oil flow, an armature movably provided at one end of the magnet core and serving to open or close the exit, a valve seat provided at the other end of the magnet core, and a sleeve in which the armature and magnet core are received, the sleeve being fixed to the bore.
Owner:HL MANDO CORP
Apparatus and method for automated cutting of the wings from poultry bodies
ActiveUS20120045980A1Increase vertical distanceShort lengthMeat processing plantsDividing poultryEngineeringVertical distance
An apparatus and method for automated cutting of the wings from poultry bodies are disclosed. The apparatus has transport units that are arranged on each side of the conveying means, each of which includes a guide rail and a conveying chain. The transport units are arranged symmetrically to the conveying means and diverge in the direction of transport T in such a way that the two wings of a poultry body are moved increasingly away from the poultry body during transport along the separating device. The cutting blades of the third pair of separating elements form a cutting station without a counter-support and each has a cutting edge which performs partial cuts leaving the end pieces of the wings on the poultry body. The lateral guide rails behind the separating device each have a recess to increase the vertical distance between the guide rail and the conveying chain.
Owner:NORDISCHER MASCHINENBAU RUD BAADER GMBH CO KG
Furnace roller for tunnel type furnace kiln
InactiveCN105861808AShort lengthSave steelFurnace typesHeat treatment furnacesMiddle segmentHeat treated
The invention discloses a furnace roller for a tunnel type furnace kiln, in particular to a furnace roller on a roller bed used for conveying metal thin strips in the process of conducting continuous high temperature heat treatment on the metal thin strips in a tunnel type furnace kiln. The furnace roller comprises a shaft body and a roller shaft. The furnace roller is characterized in that the shaft body is a solid ceramic roller; the diameters of the segments of the two ends of the shaft body are each smaller than the diameter of the middle segment of the shaft body; the opposite side faces of the segment of each end of the shaft body are each a plane; and the two planes at the same end are parallel to each other. The two ends of the shaft body are each provided with a stainless steel shaft head; the stainless steel shaft heads and the shaft body are coaxial; a shaft sleeve is arranged at the inner end of each stainless steel shaft head; one end of each shaft sleeve is a closed end; and each closed end and the inner end of the corresponding shaft head are of an integral structure. The shape of an inner cavity of each shaft sleeve is the same as the shape of the segment of the corresponding end of the shaft body, and the segment of each end of the shaft body extends into the other end of the corresponding shaft sleeve in a close manner. The furnace roller is not prone to damage and low in maintenance cost. By means of the furnace roller, production cost can be reduced.
Owner:无锡华精新材股份有限公司
Large-view-field compact catadioptric telescope optical system with clamping type focus
The invention discloses a large-view-field compact catadioptric telescope optical system with a clamping type focus. The large-view-field compact catadioptric telescope optical system comprises a spherical aberration correction lens group, a spherical primary mirror with a hole in the center, a spherical secondary mirror, a view field aberration correction lens group and a focal plane at the position of the clamping type focus, wherein the spherical aberration correction lens group is located at the entrance pupil position of the system, the central area, close to the convex surface of the spherical primary mirror, of the spherical aberration correction lens group is plated with a reflecting film, the edge annular belt is plated with an antireflection film, the area is the position of the spherical secondary mirror, and the spherical aberration correction lens group and the spherical secondary mirror share one optical element; the field aberration correction lens group is positioned on the back surface of the spherical primary mirror and in front of the focal plane; the focal plane of the optical system is located at the clamping type focal point. The optical system has the characteristics of small size, fast focal ratio, large field of view, wide wave band and convenience in installation and maintenance of the terminal detector, and can greatly improve the observation capability and detection efficiency of the telescope.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
Novel Peptide Tag and Uses Thereof
ActiveUS20150175669A1Short lengthRemove non-specific reactionBacteriaPeptide/protein ingredientsPeptideNon specific
There are provided peptide tags derived from bacteriophytochrome (BphP) that is photoreceptor protein of Deinococcus <i / >radiodurans, an antibody capable of specifically recognizing the peptide tags, hybridoma cell lines capable of producing the antibody, and uses thereof. The novel peptide tag has advantages in that it has a short length and can remove a non-specific reaction of the conventional c-myc tag and FLAG tag. Therefore, in the case of using the novel peptide tag and antibody thereto, the fusion protein expressed in a recombinant cell can be very effectively detected or purified. In addition, an epitope tagging system including the novel peptide tag and antibody thereto can be applied in various fields such as a determination of an intracellular site, a confirmation of functionality, detection and purification of specific protein, and researches on interaction between proteins.
Owner:UNIV IND COOP GRP OF KYUNG HEE UNIV +1
Chinese characters pen number-shape-number-symbol input method
InactiveCN101114197AEasy to learnShort lengthInput/output processes for data processingSpeech recognitionCoded element
The invention relates to a Chinese character input method by combining the Chinese stroke number and stroke shapes. The main point is that the Chinese strokes are classified into two types, and the stroke number of the combined part of the two types of strokes is recognized and combined as a Chinese coding element which is designated to a computer keyboard, and the Chinese character is input in accordance with the computer. The input method has the advantages of being easy to learn and grasp, having a fast input speed due to the short word coding element, and having low recoding rate.
Owner:吴仕毫
Automatic opening and closing multi-folding umbrella with short umbrella closing length
ActiveCN111568006AShorten the lengthShort lengthWalking sticksUmbrellasStructural engineeringMechanical engineering
Owner:黄自力
Data processing method and device based on spiking neural network
The invention provides a data processing method and device based on a spiking neural network. The method comprises the following steps: compressing each pulse signal sequence generated by input data to obtain each compressed code of the input data; and pooling each compressed code through a pulse neural network to obtain target data. According to the data processing method based on the pulse neural network provided by the embodiment of the invention, the pulse signal sequence is compressed to form the compressed code, so that the length of the compressed code is greatly reduced compared with the length of the pulse signal sequence, and the requirement on the pulse storage space is exponentially reduced during storage. And because the length of the formed compressed code is short, the calculation time can be shortened exponentially during pooling calculation, the pooling efficiency is improved, and the processing efficiency of the data input into the SNN network model is further improved.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Full-rotation detonation mode rocket-ramjet combined engine and operation method
PendingCN114810417ASimple structureShort lengthRocket engine plantsRam jet enginesPhysicsCombustion chamber
The invention discloses a full-rotation detonation mode rocket-ramjet combined engine and an operation method. The full-rotation detonation mode rocket-ramjet combined engine comprises a shell, a center body, an oxidizing agent storage tank and a fuel storage tank. The shell comprises an arc-shaped amplification section, a short cylinder section, a long cylinder section and an arc-shaped contraction section; the center body comprises an air inlet cone, an injection panel and a rocket engine; the rocket engine comprises a common shell, a central cylindrical section and a central tail cone; a stamping rotating detonation combustion chamber is formed between the outer wall face of the public shell and the long cylinder section. And a rotary detonation rocket combustion chamber is formed between the inner wall surface of the common shell and the central cylindrical section. The device has a rotary detonation rocket mode and a rotary detonation stamping mode; the method comprises the following steps: firstly, working in a rotary detonation rocket mode to realize zero-speed starting boosting or horizontal launching; and when the flight speed reaches Ma2.5, a rotating detonation stamping mode is switched to, and oxygen in the air is utilized. Meanwhile, the fuel cavity can cool the public shell and preheat the fuel, and detonation combustion is achieved in a hot fuel mode.
Owner:PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV
Electric rivet pulling device
The invention relates to an electric rivet pulling device which comprises a left handle and a right handle, wherein the left handle is hinged to the right handle. Two arc grooves are formed in the upper portions of the opposite sides of the left handle and the right handle respectively, clamping teeth are formed in one arc groove, threads are machined in the other arc groove, a rivet clamping opening is formed by the two arc grooves with the clamping teeth, and a lead screw sleeve is formed by two arc grooves with the machined threads. A lead screw is in threaded connection inside the lead screw sleeve. The section on the left side of the lead screw is thick and serves as a thread section, the section on the right side of the lead screw is thin, and the end on the right side of the lead screw is designed into a square connector which is matched with an electric drill for use. The electric rivet pulling device can improve work efficiency by 3-5 times through simple clamping and electric operation. Compared with an old type rivet pulling device, the electric rivet pulling device is lower in manufacturing cost, and meanwhile reduces manufacturing cost of a rivet pulling nail.
Owner:翟潇
Real-time fluorescent RT-PCR detection method for MARV (Marburg virus)
PendingCN109504808AHigh detection specificityImprove stabilityMicrobiological testing/measurementMicroorganism based processesDiseaseHealth safety
The invention provides a group of real-time fluorescent RT-PCR specific primers and probe special for detecting MARV (Marburg virus) and a corresponding detection method established after a reaction system and a reaction program are optimized by the primers and the probe. The real-time fluorescent RT-PCR specific primers and probe and the detection method have the following advantages: (1) good stability and specificity: the primers and the probe have high specificity for detection of the MARV, have no cross reaction with other monkey viruses and have good repeatability; (2) high sensitivity:sensitivity can reach 6.04 copies / mu L; (3) simple and rapid operation: the whole reaction can be completed within 90 min. A kit can be used for detection of the MARV and differential diagnosis of theMARV with other money virus diseases and has great significance and practical application value for ensuring life and health safety of people and animals in China and preventing serious foreign diseases.
Owner:INSPECTION & QUARANTINE TECH CENT OF FUJIAN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
A thermal power measuring device
ActiveCN103712716BSmall temperature differenceQuick releaseMaterial heat developmentCalorimeterTemperature controlElectrical resistance and conductance
The invention discloses a thermal power measuring device. The thermal power measuring device comprises a constant temperature system, a heat measurement system, a reaction system, a heat calibration system, a gas supply system and a data collecting and control system. The constant temperature system comprises a temperature controller and a constant temperature furnace connected with the temperature controller. A heat measuring cylinder is arranged in the constant temperature furnace. A soaking block is arranged in the heat measuring cylinder. A reaction tank cavity and a reference tank cavity are formed in the soaking block and are symmetrical about the axis of the soaking block. The reaction system comprises a reaction tank sample holder and a reference tank sample holder. The calibration system comprises a reaction tank calibration sample holder and a reference tank calibration sample holder. The reaction tank calibration sample holder and the reference tank calibration sample holder respectively comprise a tubular sample rod and a soaking body II arranged at one end of the tubular sample rod. A ceramic tube is arranged in each soaking body II. A thermal resistor is wound around the ceramic tube of the reaction tank calibration sample holder. The thermal resistor is connected with four leads. The gas supply system comprises a reference gas source and a reaction gas source. The reaction tank cavity and the reference tank cavity are distributed symmetrically in the radial direction, and the influence of axial temperature change of the constant temperature furnace on the measurement of thermal power is offset.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Three-section LED lamp flip-chip production process
InactiveCN108006459AShort lengthReduce difficultyElectric circuit arrangementsLight fasteningsAssembly lineEngineering
The invention relates to a three-section LED lamp flip-chip production process. The production process comprises the following steps that three power wires are inserted into a driving plate through anoperator; the three power wires are fixed to the driving plate through wave soldering; the three power wires are a middle wire, an edge hole line and an edge line correspondingly; the driving plate is aligned and inserted with a clamping groove in a lamp cup; a three-section type lamp holder is pressed; the three-section type lamp holder is fixed; a middle through hole of the three-section type lamp holder and the middle wire on the driving plate are welded and fixed through a constant-temperature electric soldering iron; then a edge through hole of the three-section type lamp holder and theedge hole line on the driving plate are welded and fixed; and the lamp cup and the driving plate component which are welded are sent into a lamp holder riveting machine to be riveted. According to thethree-section LED lamp flip-chip production process, due to the fact that the flip-chip process is adopted, the driving plate is arranged in the lamp cup firstly, and then the three-section type lampholder is arranged, so that the three-section type lamp holder can be fixed through the lamp cup, the difficulty of the process of welding the lamp cap is reduced, and the whole production process can work on the assembly line, the working efficiency is greatly improved, and the production cost is reduced.
Owner:FUJIAN JOINLUCK ELECTRONICS ENTERPRISE
Heat source tower heat pump unit and simple switching method for refrigerating and heating dual functions of heat source tower heat pump unit
The invention discloses a heat source tower heat pump unit and a simple switching method of the refrigerating function and the heating function of the heat source tower heat pump unit, and belongs to the technical field of heat pumps. The heat pump unit comprises a first compressor, a first heat exchanger, a throttling element and a second heat exchanger which are sequentially communicated and used for refrigerant circulation. And the first compressor realizes reversing of a refrigerant through position and direction change. According to the heat pump unit, the defects of a water pipeline switching system adopted by a conventional heat pump unit are overcome, and meanwhile, the defects of pipeline switching in a conventional refrigerant system are also overcome; an anti-freezing solution is prevented from entering an indoor system, the indoor system is protected, the installation difficulty of a machine room is effectively reduced, and the installation space is reduced; the refrigerant pipeline is simple, short in length and small in channel resistance, the heat pump unit can operate with high energy efficiency, the pipeline does not need to adopt a four-way valve, and energy efficiency reduction caused by pressure drop of four-way valve switching is avoided.
Owner:江苏辛普森新能源有限公司
Electric rivet pulling device
The invention relates to an electric rivet pulling device which comprises a left handle and a right handle, wherein the left handle is hinged to the right handle. Two arc grooves are formed in the upper portions of the opposite sides of the left handle and the right handle respectively, clamping teeth are formed in one arc groove, threads are machined in the other arc groove, a rivet clamping opening is formed by the two arc grooves with the clamping teeth, and a lead screw sleeve is formed by two arc grooves with the machined threads. A lead screw is in threaded connection inside the lead screw sleeve. The section on the left side of the lead screw is thick and serves as a thread section, the section on the right side of the lead screw is thin, and the end on the right side of the lead screw is designed into a square connector which is matched with an electric drill for use. The electric rivet pulling device can improve work efficiency by 3-5 times through simple clamping and electric operation. Compared with an old type rivet pulling device, the electric rivet pulling device is lower in manufacturing cost, and meanwhile reduces manufacturing cost of a rivet pulling nail.
Owner:翟潇
FM antenna structure
InactiveCN109103566AShort lengthShorten the lengthLoop antennas with ferromagnetic coreAntenna supports/mountingsEnergy lossElectrical and Electronics engineering
The invention discloses an FM antenna structure, which comprises at least one winding coil antenna and at least one solid material. The wire-wound coil antenna has a front end, and the front end is asignal feeding point. The solid material is disposed inside the wound coil antenna and occupies only a portion of the wound coil antenna so that a portion of the space inside the wound coil antenna has the solid material and the remaining space is hollow. The solid material is disposed inside the wound coil antenna and occupies only a portion of the wound coil antenna. Therefore, the invention hasthe advantages of short antenna length, small signal energy loss and easy impedance matching.
Owner:BS MOVA TECH CO LTD
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