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43results about How to "Shorten arm length" patented technology

Antenna Configurations for Compact Device Wireless Communication

A wireless communication device is configured to provide wireless communication to a host device when disposed in a mated position in a slot having a primary axis and formed in a side face of the host device. The wireless communication device includes a transceiver, a controller in communication with the transceiver, and a modem in communication with the controller. The wireless communication device also includes a balanced antenna in communication with the transceiver and having a polarization axis that is parallel to the side face and to the primary axis of the slot when the wireless communication device is in the mated position.
Owner:SIERRA WIRELESS

Antenna Configurations for Compact Device Wireless Communication

A wireless communication device is configured to provide wireless communication to a host device when disposed in a mated position with the host device such that a housing of the wireless communication device extends a distance Lid from a face of the host device. The wireless communication device includes a transceiver, a controller in communication with the transceiver, and a modem in communication with the controller. The wireless communication device also includes a dipole antenna having a dipole effective current axis Ix for a selected wavelength λ in the mated position that is at a distance from the face of the host device that is in the range of about 0.09λ to about 0.25λ.
Owner:NETGEAR INC

Permanent magnet motor pump

A structural improvement of the canned pump is to improve the stiffness of a stationary shaft and, according to requirement, to dispose a monitor device. The method for improving the stiffness of the stationary shaft includes axially inserting a shaft metal rear support of the metal structural of a motor rear casing of a canned motor into the inner side of a rotor yoke of an inner rotor of the canned motor, tightly attaching the shaft metal rear support to a rear shaft seat for improving the stiffness of the stationary shaft by longer hold length, and for shortening an arm length of the composite force. The monitor device, used for detecting the wear of a bearing for enhancing the reliability and satisfying the driving requirement, is installed in the ring slot to be protected by the rear shaft seat.
Owner:ASSOMA

Site light

A site light includes a body, an arm coupled to the body having an adjustable arm length, a light assembly coupled to the arm opposite the body, and a drive mechanism with a crank arm rotatable about a first axis. Rotating the crank arm in a first direction causes the arm length to increase. Rotating the crank arm in a second direction causes the arm length to decrease. The drive mechanism is adjustable between a first configuration, where the crank arm can only rotate in the first direction, and a second configuration, where the crank arm can be rotated in the first direction and the second direction.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Harmonic reducer with short barrel-shaped flexible wheel

The invention provides a harmonic reducer with a short barrel-shaped flexible wheel. A wave generator is arranged in an inner hole of the flexible wheel (18), and outer teeth of the flexible wheel (18) are engaged with inner teeth of a rigid wheel (6); the rigid wheel (6) is fixedly connected to a spigot inner hole of a housing (16) through a pin (8), a spring gasket (19) and a bolt (20); the flexible wheel (18) and a low-speed shaft (15) are fixedly connected together through a bolt (10) and a spring gasket (11); the wave generator and a high-speed shaft (1) are fixedly connected together through a key (9), and are axially positioned through a shaft elastic retainer ring (3); finally, a bearing (2) and a bearing (12) are arranged at the two ends of the high-speed shaft (1) respectively, so that the wave generator realizes axial positioning motion and radial positioning motion; the high-speed shaft (1) and the low-speed shaft (15) realize linear coaxial transmission. The harmonic reducer disclosed by the invention is reduced in size and weight, and can be used for realizing relatively large torque transmission output.
Owner:SHAANXI WEIHE TOOLS CO LTD

Medical diagnostic apparatus with length-adjustable arm structure

A medical diagnostic apparatus using X-ray photography and having a length-adjustable arm structure is disclosed. The medical diagnostic apparatus according to the present invention comprises an X-ray generation unit, a first arm moving the X-ray generation unit forward and backward, a detector unit, a second arm connected to the detector unit, and a main body, a vertical drive motor and a rotational drive motor. The second arm comprises a guide rod connected to the main body; a drive motor rotating the guide rod; and a guide groove unit including a guide rod hole which is screw-fitting with the guide rod; a second guide plate disposed on both sides of the guide rod, and a guide rail formed on an inside of the second guide plate; a plurality of rollers to contact with the guide rail, and a guide rail groove to insert the guide rail therein.
Owner:KIM IK HAN

All-optical logic gate with Michelson structure

The invention relates to an all-optical logic gate with a Michelson structure, which can be reused for realizing an AND gate, an OR gate, an NOT gate, an NAND gate, an NOR gate, an XOR gate and an XNOR gate as well as the reverse operation thereof, and also realizing a half-adder. The all-optical logic gate with a Michelson structure comprises two control optical signals, a synchronous optical detection signal and an output detection signal, wherein the two control optical signals are input into an arm (2) of symmetrical Michelson interferometers by a coupler (1); the synchronous optical detection signal is divided into two beams of equal light to be projected into the arm (2) and an arm (3) of the Michelson interferometers and used for outputting a reflecting output opening (4) for expressing the application of the logic result and a transmitting output opening (5) of the reverse operation; the output detection signal is results of the self-phase modulation of a detection optical signal, the intersection phase modulation of the two control optical signals on detection light and average intersection phase modulation on the detection light in two times of arm length and is expressed into a corresponding logic gate relation. The all-optical logic gate has the characteristic of self-phase modulation in the symmetrical Michelson interferometers, preferably the two arms adopt different nonlinear optical fibers and the input arm (2) of the control optical signals adopts a high nonlinear optical fiber.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Link plate for a silent chain

A link plate for silent chains includes a pair of teeth, each formed of an inside flank and an outside flank and a pair of pin apertures. A moment of force around a pin M=F×Lo, where F is a force applied by a sprocket tooth against the outside flank, and Lo is a length of a perpendicular drawn from a center O of a pin aperture to an action line of the force, is decreased by decreasing Lo. The link plate engages a sprocket tooth on an intersection between a straight line n and a flank, line n and the direction of a central line connecting each O forming a pressure angle α, and contacting a circle having a center O and a radius r<0.25×P, where P is a pin aperture pitch. Also, α of the outside flank satisfies an inequality, 32°≦α<34°, to lessen the force.
Owner:BORG WARNER MORSE TEC JAPAN KK

Toe/finger bandage

InactiveUS20150257939A1Adjustable sizeEasily wrap around toe/fingerFinger bandagesFeet bandagesEngineeringBandage
The present invention relates to a bandage that is designed for use preferably on a digit of a person's foot but that may also be used on the digit of a person's hand or other similar surfaces. In particular, the bandage comprises a body having at least a first side surface, a second side surface, a first end, and a second end. The bandage is designed to have adjustable arms at each of the first and second end so that an arm may be adjusted if it is difficult to wrap the respective arm around the anatomical digit and / or in between the spaces of the anatomical digits.
Owner:FICCHI JOSEPH

Medical Diagnostic Apparatus With Length-Adjustable Arm Structure

A medical diagnostic apparatus using X-ray photography and having a length-adjustable arm structure is disclosed. The medical diagnostic apparatus according to the present invention comprises an X-ray generation unit, a first arm moving the X-ray generation unit forward and backward, a detector unit, a second arm connected to the detector unit, and a main body, a vertical drive motor and a rotational drive motor. The second arm comprises a guide rod connected to the main body; a drive motor rotating the guide rod; and a guide groove unit including a guide rod hole which is screw-fitting with the guide rod; a second guide plate disposed on both sides of the guide rod, and a guide rail formed on an inside of the second guide plate; a plurality of rollers to contact with the guide rail, and a guide rail groove to insert the guide rail therein.
Owner:KIM IK HAN

Double-layered eight-rotor-wing unmanned aerial vehicle

The invention discloses a double-layered eight-rotor-wing unmanned aerial vehicle which comprises a body, four upper arms, four lower arms and eight flying mechanisms. The body comprises an upper platform and a lower platform; the four upper arms and the four lower arms are separately arranged on the upper platform and the lower platform; each of the lower arms comprises a first connecting rod, a folding mechanism and a second connecting rod which are successively connected; the eight flying mechanisms are separately arranged on the tail ends of the four upper arms and the four lower arms; each of the flying mechanisms comprises a brushless motor and a rotor wing fixedly connected to the output shaft of the brushless motor; and the rotating ranges of the rotor wings of the eight flying mechanisms are staggered for generating upward lift forces. By adopting a double-layered structure, the arm length of a common eight-rotor-wing unmanned aerial vehicle is reduced, the weight of the structure is alleviated, and the storage space is expanded; meanwhile, the double-layered eight-rotor-wing unmanned aerial vehicle is more stable to control, longer in time of endurance and higher in efficiency, and the safety of inner loads of the body is effectively guaranteed.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Power thermocouple conversion element with long-range concentrated cooling mode

The invention discloses a power thermocouple conversion element with a long-range concentrated cooling mode and especially relates to a structure that has a longitudinal extension form and has a high temperature section, a boundary section, and a cooling section. The high temperature section is direction arranged in a heat source; a boundary section is delimitation between the heat source and a cold source; and the cooling section is arranged in the cold source. The whole element is packaged by a protection housing. A thermocouple set, a metal flow deflector and an electrothermal circuit are arranged in the thermocouple conversion element, wherein the thermocouple set are first in parallel connection and then is in series connection as well as the electrothermal circuit is connected with a transition conductor; and all cold junction nodes of the electrothermal circuit are concentrated at the cooling section of the thermocouple conversion element for cooling. According to the invention, a heat transfer process and a cooling process of a thermocouple conversion element are reinforced, so that it is beneficial to fully utilize energies of a heat source as well as to improve an outputpower and reduce costs; moreover, it is also beneficial to design and develop a compact thermoelectric conversion apparatus and to improve a power density index.
Owner:SOUTH CHINA UNIV OF TECH

Simple, compact and effective self-extending and retracting bicycle crank arm

This invention is a bicycle crank and pedal assembly with a self-extending and retracting crank arm. The assembly only has three one-piece components that move relative to each other, if the bearings used in friction reduction are ignored. It is simple in design, compact in size and very effective in delivering the benefits of a self-extending and retracting crank arm. In particular, the assembly has (a) the maximum arm length for over 90 degrees of arm directions in the power down stroke and (b) the minimum arm length for close to 90 degrees of arm directions in the return up stroke.
Owner:HUNGS CRANKARM

Video projector which obliquely projects images onto screen

An object of the invention is to reduce the size and weight of a video projector by shortening the length of the arm of a mirror rotator and reducing the size of a mirror. A video projector comprises a plurality of projection lenses through which image light rays from a liquid crystal panel are extracted in a magnified manner; a reflective mirror for reflecting the extracted image light rays onto a screen; and a mirror rotator for rotating the reflective mirror so that the extracted image light rays can be reflected in particular directions. Among the projection lenses, some of the projection lenses located farther away from the liquid crystal penal are partially cut such that areas through which the image light rays do not pass are cut off to create a lens cut-off space. The mirror rotator is placed in the lens cut-off space.
Owner:MAXELL HLDG LTD

Gripping device as well as transport device for gripping, holding and guiding in particular bottle-like containers

A gripper arm for a gripping device for gripping, holding and guiding in particular bottle-like containers includes a base body, a gripping section as well as at least one actuating roller arranged on the base body and rotatably mounted for interacting with a control cam of the gripping device. The at least one actuating roller is arranged on the base body so as to be replaceable.
Owner:TYROLON SCHULNIG GMBH & CO KG

Pivoting foot platform for elliptical apparatus

An apparatus including a frame; a drive wheel coupled to the frame; first and second foot links operably coupled to said drive wheel to transfer power to said drive wheel so as to propel the apparatus; and each of said first and second foot links including a pivoting foot platform for receiving an operator's foot, said pivoting foot platform pivotally coupled to one of said first and second foot links so as to allow angular travel of the pivoting foot platform, the apparatus including one or more features to limit the angular travel of said pivoting foot platform.
Owner:PT MOTION WORKS INC

Novel gripper loom

A new type 736 rapier loom, belonging to the technical field of weaving equipment manufacturing, including left and right wall panels (1), a crankshaft (13), a worm wheel (30), a worm (29), a driving gear (32), a driven gear (33), warp beam (28), flip-type warp beam support foot (27), etc. constitute the warp let-off mechanism, which is arranged side by side by the deburring roller (22) with two pressure cloth rollers (20), (21) The take-up mechanism composed of two roll cloth transmission rollers (24), (25) etc., the beating-up mechanism composed of sley (15), rocking shaft (9), sley foot (16), hand in hand (17) etc. The mechanism consists of an eccentric wheel (4) with a long connecting rod (5), a triangular swing arm (6), a short connecting rod (7), a fan-shaped tooth arm (8), a rocker shaft (9), and a sword The weft insertion mechanism that wheel (12) etc. constitutes. The utility model has reasonable overall design, relatively good performance and price, wide application range and stable performance, and can effectively improve the surface quality of the fabric and the working efficiency of the loom.
Owner:SHAOXING TEXTILE MACHINERY GRP +1

Pivoting foot platform for elliptical apparatus

An apparatus including a frame; a drive wheel coupled to the frame; first and second foot links operably coupled to said drive wheel to transfer power to said drive wheel so as to propel the apparatus; and each of said first and second foot links including a pivoting foot platform for receiving an operator's foot, said pivoting foot platform pivotally coupled to one of said first and second foot links so as to allow angular travel of the pivoting foot platform, the apparatus including one or more features to limit the angular travel of said pivoting foot platform.
Owner:PT MOTION WORKS

Wire control arm and robot

The invention discloses a wire control arm which comprises a drive mechanism, a power wire mechanism and a mechanical arm. The drive mechanism is arranged far away from the mechanical arm; the mechanical arm is formed by serially connecting at least two joint pieces; each two adjacent joint pieces are rotatably connected through a joint wheel; the power wire mechanism comprises coiling wheels corresponding to the joint wheels in quantity; each pair of correspondingly arranged joint wheel and coiling wheel are in tensioning connection through a power wire; and the drive mechanism drives the coiling wheels to rotate, the coiling wheels drive the joint wheels to rotate, and one joint piece rotates relative to the other joint piece arranged adjacently through the corresponding joint wheel. According to the wire control arm provided by the invention, the drive mechanism remotely provides a drive force for the joint pieces of the mechanical arm through the power wires and the joint wheels, so that the weight of the mechanical arm is greatly reduced, the driving moment of the mechanical arm is reduced, and the mechanical arm can realize freedom degrees of more actions.
Owner:NINGBO GQY VIDEO &TELECOM

Balanced loading arm without a base for transferring a fluid product

The invention provides a balanced arm (201) for transferring a fluid product, having a transfer compass comprising an inner transfer member (208) and an outer transfer member (221), articulated together, and a counterweight system (203) for balancing the transfer compass, characterized in that the compass is installed on a turntable (215) rotatable about a vertical axis, to rotationally drive the transfer compass about that axis, and the balancing system comprises at least one counterweight (207; 207′) mounted so as to be able to turn about an axis (206) of horizontal general orientation, on a support (251) fixed to the turntable and functionally linked to the inner transfer member to provide the balancing of the transfer compass.
Owner:FMC TECH SA

Drive mechanism with foot platform angle adjustment mechanism for elliptically-driven device

A drive mechanism for an elliptically-driven device includes a drive arm with a foot platform pivot assembly; a crank arm; a foot platform assembly pivotally coupled to the drive arm via the foot platform pivot assembly; a foot platform angle adjustment mechanism operably coupling the foot platform assembly to the crank arm so as to impart a foot platform angle of the foot platform assembly relative to the drive arm that varies during a stroke of the foot platform assembly.
Owner:PT MOTION WORKS INC

Permanent magnet motor pump

A structural improvement of the canned pump is to improve the stiffness of a stationary shaft and, according to requirement, to dispose a monitor device. The method for improving the stiffness of the stationary shaft includes axially inserting a shaft metal rear support of the metal structural of a motor rear casing of a canned motor into the inner side of a rotor yoke of an inner rotor of the canned motor, tightly attaching the shaft metal rear support to a rear shaft seat for improving the stiffness of the stationary shaft by longer hold length, and for shortening an arm length of the composite force. The monitor device, used for detecting the wear of a bearing for enhancing the reliability and satisfying the driving requirement, is installed in the ring slot to be protected by the rear shaft seat.
Owner:ASSOMA

Accelerator pedal apparatus

An accelerator pedal apparatus includes a pedal arm rotating around a first rotation axis line and having a contact portion, a return spring and a reaction force adding mechanism including a drive source and a rotation member rotating around a second rotation axis line in a state of being contacted to the contact portion which adds reaction force to return the pedal arm toward the rest position. A first distance from the contact position of the rotation member with the contact portion to the first rotation axis line is longer than a second distance to the second rotation axis line. The rotation member includes a contact section having the contact portion displaced while being contacted so that the contact portion is to be closer to the second rotation axis line when rotating toward the maximum depression position and to be farther from the second rotation axis line when rotating toward the rest position.
Owner:MIKUNI CORP

Air spring three-way composite loading fatigue test device and method

ActiveCN108801622BAccurately reflect fatigueCheck fatigue lifeMachine part testingAir springGas spring
The invention provides an air spring three-way compound loading fatigue test device and method. The device comprises a support and is characterized by also comprising a transverse loading assembly forapplying a transverse dynamic load to an air spring, a vertical loading assembly for applying a vertical dynamic load to the air spring and a longitudinal biasing assembly for enabling the air springto generate longitudinal deformation, wherein the transverse loading assembly is arranged on the support in the forward and backward directions of the air spring; the longitudinal biasing assembly isarranged on the transverse loading assembly, and the locating position of the longitudinal biasing assembly on the transverse loading assembly can be adjusted; the air spring is arranged on the longitudinal biasing assembly; and the vertical loading assembly is arranged above the air spring in the vertical direction and is in contact with the air spring. The device and the method provided by theinvention can simulate the bearing condition in the actual operating condition of the air spring, accurately reflect the fatigue performance of the air spring and detect the fatigue life of the air spring, thereby providing reliable and accurate test processes and data for optimizing the structure of the air spring.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH +1

Lifting and supporting device used for loader

The invention relates to a lifting and supporting device used for a loader. The lifting and supporting device used for the loader comprises a car body (1), and the car body is connected with a rocker arm (11). The lifting and supporting device used for the loader is characterized in that the front side of the car body is symmetrically connected with two sliding rails (2), a lifting board (3) is connected between the sliding rails and is supported on and fixed to the car body through a first oil cylinder (13), the front side wall of the lifting board is connected with a connection board (6) in a rotary and matched mode, one side of the connection board (6) is provided with a first hinged board (10), and the first hinged board (10) and a second oil cylinder (8) are hinged and matched. The lifting and supporting device used for the loader has the advantages that through mutual matching of the first oil cylinder and the sliding rails, the rocker arm can vertically move, the length of the rocker arm can be decreased, and the stability is improved when the loaders operates; meanwhile, under the action of the second oil cylinder, the rocker arm can rotate by a certain angle, materials at different positions can be picked and placed conveniently, and working efficiency is improved.
Owner:王学义

Connector

A connector includes a housing and a holder. The housing includes a terminal housing chamber housing a terminals and a support portion in which a first locking portion for locking the holder in the temporary locking position is formed. The holder is mounted on the housing so as to be movable in a fitting direction of the housing and a mating housing between a temporary locking position and a main locking position. The holder is configured to be immovable from the temporary locking position to the main locking position when the terminal inserted into the terminal housing chamber is in a halfway insertion position and is configured to be movable from the temporary locking position to the main locking position when the terminal is in a normal insertion position.
Owner:YAZAKI CORP

A logistics warehouse automatic unloading and palletizing method

The present invention relates to the technical field of warehousing and logistics, in particular to a method for automatically unloading and palletizing logistics warehouses, which includes the following steps: first, the logistics vehicle stops in place; second, the crawler vehicle runs to the door of the container; third, the robot Identify the layer height, column number and box size of the cartons in the container through the robot visual recognition system, address and grab multiple boxes in the container and put them on the telescopic transportation line; the fourth step, the telescopic transportation line transports the goods to the sorting and stacking station; the fifth step, the visual recognition system of the sorting and stacking station visually recognizes the label information on the carton, and transmits the information to the CPU; the sixth step, the CPU controls the The sorting and stacking manipulator grabs the cartons and puts them on the corresponding pallets; the method provided by the invention is unmanned and automatic loading and unloading of containers and transport vehicles, with high loading and unloading efficiency and traceability.
Owner:泓昇(天津)科技有限公司

Multifunctional power-driven shredding and slicing device

The invention relates to a multifunctional power-driven shredding and slicing device. The multifunctional power-driven shredding and slicing device comprises a center push rod lining (101) and an eccentric push rod lining (201). The center push rod lining (101) is provided with a center feed port (101B) which is matched with a center push rod (100), and the center push rod lining (101) is arranged in a feeding cylinder (301) and used for conducting center spiral cutting. The eccentric push rod lining (201) is provided with an eccentric feed port (201A) which is matched with an eccentric push rod (200), and the eccentric push rod lining (201) is arranged in the feeding cylinder (301) and used for conducting eccentric cutting. The feeding cylinder (301) comprises a center feeding area which coincides with the center feed port (101B) and an eccentric feeding area which coincides with the eccentric feed port (201A) after assembling is completed, and the center feeding area communicates with the eccentric feeding area. The multifunctional power-driven shredding and slicing device can have a center spiral cutting function and an eccentric cutting function at the same time and is simple and compact in structure and low in cost.
Owner:LIANCHUANG SANJIN ELECTRIC APPLIANCE SHENZHEN
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