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49results about How to "Sensitive movement" patented technology
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Hydraulic prosthetic joint
ActiveUS20110307078A1Keep openMemory is also lostSpringsArtificial legsArtificial jointsDifferential pressure
The present invention relates to artificial limbs generally and to joints for the same. In particular, the present invention provides hydraulic functional units (35), generally classified as damping devices as connected between artificial limbs whereby to enable movement of artificial joints to closely correspond with natural human movement. In the provision of realistic joints, as used in prosthetic limbs, an important aspect in attempting to achieve a realistic movement is to provide a different operating characteristic to the joint when under load. Indeed, one of the more important characteristics of an artificial leg for achieving a natural-looking walking gait correspond with those of a so called stabilised knee, i.e. a knee which resists flexion when under load, that is when it is bearing at least some of the weight of the amputee. In accordance with the invention, there is provided hydraulic damper control elements for prostheses which utilize a pressure differential due to the presence a fluid flow as a direct control input for a at least one hydraulic valve (47). The valve can comprise a vortex flow arrangement (47f) to cause fluid flow to circulate about aperture. The valve can comprise a moveable element which abuts a resiliently mounted element which reduces the size of an aperture as the force increases.
Owner:BOENDER JACOB QUINTUS LAURENS ANTHONY
Sensor with vacuum cavity and method of fabrication
InactiveUS20130152694A1Low costIncrease volumeFluid pressure measurement using capacitance variationMems pressure sensorTransducer
A MEMS pressure sensor device comprises a sensor element positioned on top of a carrier and a cavity. The sensor element hermetically seals the cavity. An electrode is coupled to the cavity that forms a pressure transducer together with the sensor element. The cavity is created by a density changing material.
Owner:URVAS ILKKA +2
System and method of implementing massive early terminations of long term financial contracts
A method of and system for terminating or assigning outstanding OTC derivative transactions between a plurality of financial institutions (banks). The system comprises: a processing station arranged to receive transaction data describing a plurality of transactions from a plurality of banks via the Internet. The processing station comprises: a linking module for linking different versions of the same transaction received from different parties to that transaction; an analysis module for determining a set of linked transactions between a plurality of different banks, wherein each bank has debts and claims towards other banks in the set; a calculation module arranged to calculate an aggregated value of each set of linked transactions and select the set of linked transactions which has an aggregated value within bank-specified tolerance limits acceptable for executing a termination; and an execution module for executing a termination or assignment of the selected set of linked transactions.
Owner:CME GRP +1
Monocular vision and binocular vision switching device for small robot
InactiveCN102937811AImprove reliabilityAdjustable distancePosition/course control in two dimensionsLinear motionCoupling
The invention provides a monocular vision and binocular vision switching device for a small robot, comprising a wireless communication camera, a transmission assembly, a power assembly and a control assembly, wherein the transmission assembly is composed of a rotary motion and linear motion switching assembly and a guide rail, a camera fixing plate is fixed on a linear motion component of the transmission assembly, baffles are arranged at two sides of the transmission assembly, each baffle is provided with a trigger switch for the control assembly, the two ends of a rotary motion component of the transmission assembly are connected with the baffles by virtue of bearings, and one end of the rotary motion component penetrates through the baffles to be connected with the power assembly by virtue of a coupler; and the control assembly comprises a control circuit board as well as a first channel trigger switch and a second channel trigger switch which are respectively arranged on the baffles at the two sides of the transmission assembly. The monocular vision and binocular vision switching device provided by the invention realizes mutual switching between monocular vision and binocular vision, so that the small robot can be more widely applied; and binocular base line distance is adjustable, so that better rebuilding effect can be obtained by regulating base line distance.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Pressure-reduction type balance hydraulic lock
InactiveCN102128284AImprove positional accuracySensitive movementOperating means/releasing devices for valvesValve members for absorbing fluid energyPistonFirst insertion
The invention discloses a pressure-reduction type balance hydraulic lock, comprising a valve body and a first mortise, wherein one end of the valve body is provided with an inner cavity, and the inner cavity is internally provided with a first insertion hole, a first oil cavity, a control piston mounting hole and a second oil cavity in sequence. A first oil port is communicated with the first oil cavity, a second oil port is communicated with the first insertion hole, and a third oil port and a fourth oil port is respectively communicated with the second oil cavity. The first mortise is arranged in the first insertion hole; the control piston is arranged in the control piston mounting hole, and a first limit cushion is arranged at the rear end of the control piston; and a third spring is arranged between the first limit cushion and a first porous plate. The lock disclosed by the invention has the advantages of reliability, high static safety and strong universality, and can overcome the phenomenon of high-frequency or low-frequency jitter.
Owner:蒋晓军
Prosthesis having movement lock
The present invention relates to artificial limbs generally and joints for same. The present invention provides hydraulic functional units whereby enabling movement of artificial joints to closely correspond with natural human movement. In the provision of realistic joints, as used in prosthetic limbs, an important aspect in achieving realistic movement is providing a different operating characteristic to the joint when under load. One important characteristic of an artificial leg for achieving a natural-looking walking gait corresponding with those of a stabilized knee, i.e. a knee resisting flexion when under load, is when it bears at least some of the weight of the amputee. Properties of resilient mechanical members are utilized to enable a hydro-mechanical system to be controlled so that it releases a low joint resistance mode relative to a default high resistance mode. The invention also permits alternative embodiments such as electronic, electro fluidic or electromechanical means.
Owner:BOENDER JENNIFER
Hydraulic prosthetic joint
Owner:BOENDER JACOB QUINTUS LAURENS ANTHONY
Sealing device for sealing a passage for a medical instrument
ActiveUS9622776B2Increase wall thicknessReduce distortionCannulasSurgical needlesEngineeringMedical instruments
Owner:KARL STORZ GMBH & CO KG
System and method of implementing massive early terminations of long term financial contracts
InactiveUS20100241551A1Reduce in quantityLowering gross and net credit exposureFinanceTolerance limitThe Internet
A method of and system for terminating or assigning outstanding OTC derivative transactions between a plurality of financial institutions (banks). The system comprises: a processing station arranged to receive transaction data describing a plurality of transactions from a plurality of banks via the Internet. The processing station comprises: a linking module for linking different versions of the same transaction received from different parties to that transaction; an analysis module for determining a set of linked transactions between a plurality of different banks, wherein each bank has debts and claims towards other banks in the set; a calculation module arranged to calculate an aggregated value of each set of linked transactions and select the set of linked transactions which has an aggregated value within bank-specified tolerance limits acceptable for executing a termination; and an execution module for executing a termination or assignment of the selected set of linked transactions.
Owner:CME GRP +1
System and method of implementing massive early terminations of long term financial contracts
InactiveUS20100325030A1Reduce in quantityLowering gross and net credit exposureFinanceTolerance limitTransaction data
A method of and system for terminating or assigning outstanding OTC derivative transactions between a plurality of financial institutions (banks). The system comprises: a processing station arranged to receive transaction data describing a plurality of transactions from a plurality of banks via the Internet. The processing station comprises: a linking module for linking different versions of the same transaction received from different parties to that transaction; an analysis module for determining a set of linked transactions between a plurality of different banks, wherein each bank has debts and claims towards other banks in the set; a calculation module arranged to calculate an aggregated value of each set of linked transactions and select the set of linked transactions which has an aggregated value within bank-specified tolerance limits acceptable for executing a termination; and an execution module for executing a termination or assignment of the selected set of linked transactions.
Owner:CME GRP +1
Detection device for detecting screen and shell of mobile phone
ActiveCN106453771ARealize hardness testingEasy to operateSubstation equipmentStands/trestlesSteel ballEngineering
The invention belongs to the field of mobile phone performance detection and setting, and particularly relates to a detection device for detecting a screen and a shell of a mobile phone. The detection device comprises a bottom plate and a supporting seat, wherein a protective plate is arranged around the bottom plate; a lifting frame and a measure gauge are mounted on the supporting seat; two adjustment plates are mounted on the lifting frame and are mounted on the lifting frame through locking pieces; the locking pieces are loosened to adjust the adjustment plates to horizontally move along the lifting frame; clamping mechanisms are mounted on the adjustment plates; and the clamping mechanisms on the two adjustment plates are opened and closed to clamp the mobile phone or a steel ball. The detection device has the beneficial effects that by the arrangement of a measure gauge testing machine matched with the clamping mechanisms capable of being adjusted to rise up and fall down, the hardness of the mobile phone shell and the hardness of the mobile phone screen can be detected; and the detection device is easy and convenient to operate and can meet different demands for detection, and functional diversification is realized.
Owner:重庆哈迪斯科技有限公司
Unknown
ActiveUS20140222022A1Increase wall thicknessReduce distortionCannulasDiagnosticsEngineeringMedical instruments
Owner:KARL STORZ GMBH & CO KG
Machine tool comprising parallel tool spindles that can be repositioned in relation to one another
ActiveUS7258514B2Keep positionIncrease clamping forceEdge grinding machinesMechanical apparatusOrthogonal coordinatesEngineering
A machine tool is provided, in particular for the synchronous machining of workpieces. The tool includes two or more spindle units (2, 3), which run parallel in a machining unit and are designed to hold tools and repositioning devices for the precise adjustment of the position of the spindle units (2, 3) in relation to one another, preferably in all three directions x, y and z of the orthogonal co-ordinate system in the machining unit (4). The repositioning devices for displacing at least one of the spindle units (2, 3), at least in an x and / or y direction, include an eccentric bush (5, 6), which can be rotated about a central shaft (B1, B2) and locked and in which the spindle units (2, 3) are mounted eccentrically, parallel to the central shaft (B1, B2).
Owner:FFG WERKE +1
Curved surface laser beam heat treatment device and method for controlling position of laser spot
The invention relates to a curved surface laser beam heat treatment device and a method for controlling position of a laser spot. The machine tool host comprises a base, a rotating shaft A installed on the base, a first swing arm and a second swing arm, wherein one end of the first swing arm is connected with the rotating shaft A, and the other end is connected with the second swing arm through a rotating shaft B; the other end of the second swing arm is connected with a laser device through a rotating shaft C; a slideway is parallel to the axial direction of the rotating shafts A, B and C; and a laser device emitter is perpendicular to the surface of the workpiece. The method is implemented by calculating angular speeds of the rotating shafts A, B and C by using a computer language program, wherein the angular speed of the rotating shaft C is firstly calculated, and the angular speeds of the rotating shaft A and B are calculated through a tri-link Jacobi matrix, thereby implementing control of the real-time speed of the laser spot. The method can implement continuous quenching of the convex curved surface, and can also implement the laser quenching technique on the concave curved surface of which the curvature radius is greater than or equal to the distance between the laser head and curved surface.
Owner:QINGDAO UNIV OF SCI & TECH
Bootstrapped and correlated double sampling (BCDS) non-contact touch sensor for mobile devices
ActiveUS20170060342A1Accurately determinedHigh gainElectronic switchingPulse generation by logic circuitsTime domainCapacitance
Non-contact position and motion sensing is improved for oscillator frequency based sensors in response to adding a two phase calibration along with bootstrapping circuit. Calibration is performed across the multiple sensor channels, so that: (1) maximum sensor channel loading is determined, and (2) the amount of capacitive load required for each other channel to match this same maximum load is stored for application to that channel during non-contact sensing. Capacitive coupling between channels is nullified by a bootstrapping process, in which time-domain voltage on the active channel is replicated on the non-active channels during non-contact sensing, thus creating equal potentials across inter-channel couplings that effectively eliminate inter-channel capacitive loading.
Owner:RGT UNIV OF CALIFORNIA
Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline
ActiveUS20180149287A1Avoid pressure fluctuationsReliable disengagementOperating means/releasing devices for valvesValve members for absorbing fluid energyGas pipelineValve opening
A water hammer-proof air valve that has a valve body and a bonnet, that are fixedly connected, a valve opening is provided on the valve body, and a high-speed intake and exhaust device is provided in an inner cavity of the valve body. A bonnet opening is provided on the bonnet, an output end of the high-speed intake and exhaust device penetrates the bonnet opening and is communicated with a high-speed exhaust throttling device for limiting an exhaust amount of gas of the high-speed intake and exhaust device, an output end of the high-speed exhaust throttling device is communicated with an outside air, and a trace exhaust device for discharging the gas separated out from the pipeline to the outside through the high-speed exhaust throttling device after the high-speed intake and exhaust device closes the valve is further provided in the high-speed intake and exhaust device.
Owner:ZHUZHOU SOUTHERN VALVE
Electrophoretic particle and preparation method thereof, microcapsule and electronic ink screen
The invention discloses an electrophoretic particle and a preparation method thereof, a microcapsule and an electronic ink screen. According to the invention, the electrophoretic particle is a nanoparticle with a core-shell structure, wherein the core is TiO2 or ZnO; the shell is a macromolecular polymer modified on the core; and the macromolecular polymer comprises a hydrophobic segment and a hydrophilic segment. According to the invention, the preparation method of the electrophoretic particle comprises the steps: modifying a chain transfer agent; modifying polystyrene; modifying poly-oligo polyethylene glycol methyl ether methyl acrylate; and modifying polyelectrolyte. According to the invention, the microcapsule comprises the electrophoretic particle provided by the invention. According to the invention, the electronic ink screen comprises the microcapsule provided by the invention.
Owner:BOE TECH GRP CO LTD +1
Machine tool comprising parallel tool spindles that can be repositioned in relation to one another
ActiveUS20060213322A1Increase clamping forceKept safely in its positionEdge grinding machinesMechanical apparatusOrthogonal coordinatesCo ordinate
A machine tool is provided, in particular for the synchronous machining of workpieces. The tool includes two or more spindle units (2, 3), which run parallel in a machining unit and are designed to hold workpieces and repositioning devices for the precise adjustment of the position of the spindle units (2, 3) in relation to one another, preferably in all three directions x, y and z of the orthogonal co-ordinate system in the machining unit (4). The repositioning devices for displacing at least one of the spindle units (2, 3), at least in an x and / or y direction, include an eccentric bush (5, 6), which can be rotated about a central shaft (B1, B2) and locked and in which the spindle units (2, 3) are mounted eccentrically, parallel to the central shaft (B1, B2).
Owner:FFG WERKE +1
Three-degree-of-freedom grabbing mechanical arm for detecting platform
PendingCN107685324ASensitive movementHigh control precisionProgramme-controlled manipulatorGripping headsThree degrees of freedomBall screw
The invention provides a three-degree-of-freedom grabbing mechanical arm for a detecting platform. The three-degree-of-freedom grabbing mechanical arm is constituted by a support, a transverse motionmechanism, a longitudinal motion mechanism, a connection shelf and a vertical motion mechanism, vertical beams in the support are connected with second ballscrew linear guide rails of the transverse motion mechanism through bolts, second gusset joint plates of the transverse motion mechanism are connected with third ballscrew linear guide rails of the longitudinal motion mechanism through bolts, third gusset joint plates of the longitudinal motion mechanism are connected with a horizontal aluminum section bar of the connection shelf through bolts, fifth ballscrew linear guide rails of the vertical motion mechanism are connected through bolts, during work, front-back, left-right and top-bottom motion can be conducted according to the position of parts, grabbing of the parts is achieved, andopening-closing of a mechanical jaw is achieved through a telescopic air cylinder of the mechanical jaw. The three-degree-of-freedom grabbing mechanical arm has the advantages of being sensitive in motion, high in control precision and simple in structure.
Owner:JILIN TEACHERS INST OF ENG & TECH
TamboToe
InactiveUS20130180380A1No fatigueSensitive movementPercussion musical instrumentsShort durationEngineering
A foot operable percussion instrument producing jingling sounds similar to a tambourine is useable by a solo performer and possesses a wedge-shaped body with an inclined striking surface for the striking by a foot or a portion thereof. The wedge-shaped body is connected to a base plate member by a pair of rigid connectors that together define a fulcrum so that the front portion of the wedge-shaped block pivots downwardly when struck by a foot on the inclined striking surface and rights itself when the foot is lifted. The jingling sound produced is of short duration.
Owner:GARRISON MICHAEL HUNTER +1
Cat anti-stress composition containing cannabidiol and preparation method thereof
PendingCN113476514AReduce releaseRelieve anxietyHydroxy compound active ingredientsAntinoxious agentsBiotechnologySide effect
The invention provides a cat anti-stress composition containing cannabidiol and a preparation method thereof, and belongs to the technical field of pet medicines. The composition is prepared from the following components in parts by weight: 10-40 parts of radix acanthopanacis semticosi, 20-50 parts of pericarpium citri reticulatae viride, 20-50 parts of herba pogostemonis, 20-50 parts of poria cocos, 15-45 parts of flos lonicerae, 15-45 parts of radix astragali seu hedysari, 10-40 parts of semen ziziphi spinosae, 10-40 parts of fructus schisandrae chinensis, 10-40 parts of radix angelicae sinensis and 1-10 parts of cannabidiol. The composition disclosed by the invention can relieve / treat stress fundamentally, and is good in anti-stress treatment effect and small in side effect; and the medicine composition is prepared into powder or granules and the like, and is convenient to take and easy to absorb.
Owner:JILIN AGRI SCI & TECH COLLEGE
Driving arm device for substation busbar barrel inner wall cleaning robot
PendingCN107538464AFlexible controlRealize multi-directional movementProgramme-controlled manipulatorJointsStructural engineeringPower substation
The invention discloses a driving arm device for a substation busbar barrel inner wall cleaning robot. The driving arm device includes a walking device and wheels which are in driving and are installed at the bottom of the walking device, the upper end of the walking device is provided with a driving spindle, the other end of the driving spindle is fixedly connected with an oil cylinder with a base, a lower mounting frame is fixedly mounted at the lower end of the oil cylinder, an inner wall cleaning head driving arm is fixedly mounted on the lower mounting frame, an inner wall cleaning head is fixedly mounted at the tail end of the inner wall cleaning head driving arm, an upper mounting frame is fixedly mounted at the upper end of an oil cylinder base, a base cleaning head driving arm isfixedly mounted on the upper mounting frame, and a base cleaning head is fixedly mounted at the tail end of the base cleaning head driving arm. The walking device walks in a busbar barrel through thewheels, and the inner wall cleaning head and the base cleaning head are driven through the inner wall cleaning head driving arm and the base cleaning head driving arm respectively, so that the two cleaning heads complete cleaning work in the busbar barrel.
Owner:北京华联电力工程咨询有限公司 +1
Bootstrapped and correlated double sampling (BCDS) non-contact touch sensor for mobile devices
ActiveUS10108300B2Accurately determinedHigh gainElectronic switchingPulse generation by logic circuitsTime domainCapacitance
Non-contact position and motion sensing is improved for oscillator frequency based sensors in response to adding a two phase calibration along with bootstrapping circuit. Calibration is performed across the multiple sensor channels, so that: (1) maximum sensor channel loading is determined, and (2) the amount of capacitive load required for each other channel to match this same maximum load is stored for application to that channel during non-contact sensing. Capacitive coupling between channels is nullified by a bootstrapping process, in which time-domain voltage on the active channel is replicated on the non-active channels during non-contact sensing, thus creating equal potentials across inter-channel couplings that effectively eliminate inter-channel capacitive loading.
Owner:RGT UNIV OF CALIFORNIA
Artificial tooth machining machine
ActiveCN102871751BImprove processing efficiencyRealize front and back processingArtificial teethControl systemEngineering
The invention discloses an artificial tooth machining machine which comprises a base, a cutting cooling system, a too component, a double-main-shaft machining system, an A-axis workpiece rotating device, a Z-axis feed device, an X-axis feed device, a Y-axis feed device and a movement control system. The tool component is used for fixed artificial tooth blank. The double-main-shaft machining system is provided with an artificial tooth cutter. The A-axis workpiece rotating device is used for driving the tool component to rotate. The Z-axis feed device is used for driving the double-main-shaft machining system to move Z-axially. The X-axis feed device used for driving the Z-axis feed device to move X-axially. The Y-axis feed device used for driving the A-axis workpiece rotating device to move Y-axially. The movement control system is used for controlling the Z-axis feed device, the X-axis feed device, the Y-axis feed device and the A-axis workpiece rotating device to move. The double-main-shaft machining system is mounted on the Z-axis feed device. The Z-axis feed device is mounted on the X-axis feed device. The A-axis workpiece rotating device mounted on the Y-axis feed device. Four-axis linkage is achieved, machining efficiency is high, and machining precision is improved.
Owner:常州特舒隆机电设备有限公司
Foot operable percussion instrument
InactiveUS8669453B2No fatigueSensitive movementPercussion musical instrumentsEngineeringShort duration
A foot operable percussion instrument producing jingling sounds similar to a tambourine is useable by a solo performer and possesses a wedge-shaped body with an inclined striking surface for the striking by a foot or a portion thereof. The wedge-shaped body is connected to a base plate member by a pair of rigid connectors that together define a fulcrum so that the front portion of the wedge-shaped block pivots downwardly when struck by a foot on the inclined striking surface and rights itself when the foot is lifted. The jingling sound produced is of short duration.
Owner:GARRISON MICHAEL HUNTER +1
Magnetic attraction Newton pendulum
PendingCN111681507ASimple structureEasy to useToysEducational modelsElectromagnetic generatorClassical mechanics
Owner:包梓扬
Clothes treatment device
PendingCN109837689ARealize no dead angle vibration judgmentRealize vibration judgmentControl devices for washing apparatusTextiles and paperComputer moduleEngineering
The invention discloses a clothes treatment device. The clothes treatment device comprises a control unit, a first vibration module and a second vibration module, wherein the first vibration module isconnected with the control unit; the second vibration module is connected with the control unit; and according to at least one on-off signal of the first vibration module and the second vibration module, the control unit controls the clothes treatment device to stop running and / or give an alarm. 360-degree non-dead-angle vibration judgment of the clothes treatment device is realized, and vibration judgment is reliable.
Owner:QINGDAO HAIER WASHING MASCH CO LTD
Roll stand for hot-rolling or cold-rolling metallic strips
InactiveCN1245262CSensitive movementEasy to adjustMetal rolling stand detailsCounter-pressure devicesPistonPiston cylinder
The invention relates to a roll stand for hot-rolling or cold-rolling metallic strips. Said roll stand comprises back-up rolls and work rolls (2,3; 4,5) which are respectively positioned in chocks (6; 7) in a rotating manner. Each chock (6; 7) can be displaced on two sides in guiding devices (8) of the column frame (9) for adjusting the roll gap (10) and can be additionally displaced on at least one side for adjusting the play, by means of horizontal piston cylinder units (11) arranged in the column frame (9). The aim of the invention is to completely eliminate the play in the vertical guiding device (8) of the work roll chocks (6; 7) during the rolling. To this end, the chocks which are guided on at least one side of the column (9a) by means of the piston cylinder unit (11) arranged in the column frame (9) and by means of one respective support element (14) which is arranged on the front side of the piston (11a), can be pressed against the other side of the column (9b) and the guiding device (8) thereof without play when the vertical roll positioning drive is stopped, and can be released when the vertical roll positioning drive is switched on.
Owner:SMS DEMAG AG
Inspection device for inspecting mobile phone screen and casing
ActiveCN106453771BRealize hardness testingEasy to operateSubstation equipmentStands/trestlesEngineeringSteel ball
The invention belongs to the field of mobile phone performance detection and setting, and particularly relates to a detection device for detecting a screen and a shell of a mobile phone. The detection device comprises a bottom plate and a supporting seat, wherein a protective plate is arranged around the bottom plate; a lifting frame and a measure gauge are mounted on the supporting seat; two adjustment plates are mounted on the lifting frame and are mounted on the lifting frame through locking pieces; the locking pieces are loosened to adjust the adjustment plates to horizontally move along the lifting frame; clamping mechanisms are mounted on the adjustment plates; and the clamping mechanisms on the two adjustment plates are opened and closed to clamp the mobile phone or a steel ball. The detection device has the beneficial effects that by the arrangement of a measure gauge testing machine matched with the clamping mechanisms capable of being adjusted to rise up and fall down, the hardness of the mobile phone shell and the hardness of the mobile phone screen can be detected; and the detection device is easy and convenient to operate and can meet different demands for detection, and functional diversification is realized.
Owner:重庆哈迪斯科技有限公司
Novel vertical needle
InactiveCN103572450ASimple structureCompact and reasonableJacquardsDeformation ProblemBiomedical engineering
The invention relates to the technical field of jacquards, and especially relates to a novel vertical needle. The novel vertical needle comprises a long needle stem, a short needle stem, a fixing sheet, hooks and a convex staff, the fixing sheet is arranged between the long needle stem and the short needle stem, the top of each of the long needle stem and the short needle stem is provided with one hook, and the convex staff is arranged below the hook of the long needle stem, and the long needle stem is provided with a needle stopping hook and an off-line hook. The novel vertical needle has the advantages of simple, compact and reasonable structure, convenient and fast assembling, reliable connection, stable and reliable motion, convenient maintenance, small required transverse needle thrust, sensitive motion, high work stiffness, solving of the easy deformation problem of the continuous lifting of a vertical needle, prolonged service life, substantially improved work reliability, and easy use popularization.
Owner:常州市董氏有色金属材料厂
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