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50443 results about "Rotational axis" patented technology

Rotation shaft structure and electronic device

The rotation shaft structure includes a main shaft assembly, and two folding assemblies that are symmetrically disposed with respect to the main shaft assembly. The two folding assemblies may rotate toward or against each other relative to the main shaft assembly. When the folding assembly is specifically disposed, the folding assembly includes a rotation assembly, a support plate, and a housing mounting bracket. The rotation assembly is rotationally connected to the main shaft assembly. The support plate is rotationally connected to the housing mounting bracket and slidably connected to the rotation assembly.
Owner:HUAWEI TECH CO LTD

Humanoid robot

A humanoid robot includes a torso, a left arm assembly coupled to the torso and having a first reference line, a left wrist coupled to the left arm assembly and including at least a rotational axis, and a left end effector coupled to the left wrist. The left end effector is configured to move about the rotational axis and includes a finger assembly with a second reference line and at least two degrees of freedom, and a thumb assembly with at least three degrees of freedom. A first angle is formed between the first and second reference lines when the left wrist is in a first configuration, and a second angle is formed when the left wrist is in a second configuration. Both the first and second angles are greater than 70 degrees, and the difference between the first and second angles is greater than 150 degrees.
Owner:FIGURE AI INC

Blood pump housing component

Blood pump assemblies and methods of manufacturing and operating blood pump assemblies are provided. The blood pump assembly includes a pump and an impeller blade rotatably coupled to the pump. The blood pump assembly also includes a pump housing component sized for passage through a body lumen and coupled to the pump. The pump housing component includes a peripheral wall extending about a rotation axis of the impeller blade. The peripheral wall includes an inner peripheral wall surface and an outer peripheral wall surface. The peripheral wall also includes one or more blood exhaust apertures. Each blood exhaust aperture in the one or more blood exhaust apertures is defined by an inner aperture edge and an outer aperture edge. Each inner aperture edge is chamfered between the inner peripheral wall surface and the outer peripheral wall surface.
Owner:ABIOMED INC

Surface cleaning device with holding device and method for operating a surface cleaning device

Surface cleaning device, comprising a cleaning head (12), at least one cleaning roller (32) rotatable about a rotation axis (96), a drive motor (200) for the at least one cleaning roller (32), and a holding device (94) on which the at least one cleaning roller (32) is rotatably mounted and which holds the at least one cleaning roller (32) to the cleaning head (12), characterized in that the holding device (94) has at least one pivotable flap (144) to which a spring device (156) is assigned, wherein the at least one cleaning roller (32) is held clamped to the holding device (94) by the at least one flap (144), and in that a wiper device (166) for wiper-off dirty fluid from the at least one cleaning roller (32) is seated on the at least one flap (144).
Owner:ALFRED KARCHER SE & CO KG

Infant transport system and assembly with caster alignment

A convertible stroller is provided that includes a shell configured to support an infant. A pair of rear legs are pivotally coupled to the shell and a pair of front legs are pivotally coupled to a respective rear leg. The rear legs and the front legs are retractable to a first transport condition, and deployable away from the shell to a second transport condition usable as a stroller. A front wheel may be coupled to each front leg that is rotatable about a horizontal axle in the second transport condition. Each front wheel has a post that acts as an axis of rotation in the second transport condition. A cam sleeve is provided that is movably disposed on each post. In a first position, the cam sleeve allows rotation about the axis of rotation, and in the second transport condition prevents rotation of the front wheel about the axis of rotation.
Owner:FENG BO FENG

Chair

The present disclosure relates to a chair, including: a base; a seat frame rotatably mounted on the base; a footrest bracket and a backrest bracket articulated with the seat frame, where the footrest bracket and the backrest bracket are staggered from a rotation axis of the seat frame relative to the base; a rod-linkage structure, including a first rod-linkage assembly connected between the base and the seat frame, and a second rod-linkage assembly connected between the seat frame and the footrest bracket; and a driving unit, used to drive the first rod-linkage assembly and the second rod-linkage assembly to operate, to link rotation of the seat frame and rotation of the footrest bracket.
Owner:JASON FURNITURE(HANGZHOU) CO LTD

Surface treatment system

To perform efficient surface treatment on a surface to be treated which is positioned on a lower surface side of a structure.SOLUTION: A surface treatment system jets jetted material to a surface to be treated which is set on a lower surface of a structure. The system includes: a surface treatment device which has a nozzle head provided with a jetting nozzle which is inserted in a base end opening part and jets the jetted material, and having a tip end opening part arranged opposite to the surface to be treated; and a nozzle head support device for supporting the nozzle head. The nozzle head support device includes: a pillar arranged in a periphery of the surface to be treated; an arm mechanism which has an arm main body of which a base end is connected to the pillar and rotates around the pillar, and includes a rotation shaft parallel to the pillar and arranged on a joint of a link; and a nozzle head mounting member which is connected to a tip end of the arm mechanism and on which the nozzle head is mounted.SELECTED DRAWING: Figure 1
Owner:OHBAYASHI GUMI LTD

Electronic device and foldable assembly

An electronic device and a foldable assembly are provided, the electronic device includes a first main body, a second main body, and a rotating shaft mechanism which includes a rotating shaft base, a first rotating member, a second rotating member, and a linkage assembly; and the linkage assembly includes a first linkage member and a second linkage member, the first linkage member and the second linkage member each have sliding blocks, the first rotating member and the second rotating member each have sliding portions in sliding fit with sliding blocks. The first rotating member further has a first main body portion, the first sliding portion is disposed at one side of the first main body portion, and the first sliding block is in sliding fit and rotating fit with a first sliding groove defined between the first sliding portion and the first main body portion.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Fast adjustable dumbbell

A fast adjustable dumbbell is provided, which includes a handle provided with a first accommodation cavity; a plurality of dumbbell pieces, two groups of dumbbell pieces are respectively provided at outer sides of two ends of the handle, and the dumbbell pieces are provided with first through holes; a rotatable shaft including two independent half shafts, which are provided in the first accommodation cavity, the two half shafts can move relative to the handle, and outer surfaces of the two half shafts are provided with symmetrical first threads; two transmission components respectively fixed at the two ends of the handle, and the transmission components are provided with second through holes corresponding to the first accommodation cavity. Hole walls of the second through holes are provided with second threads that are engaged with the half shafts; when the handle is rotated, the two transmission components are driven to rotate.
Owner:YONGKANG ZUOJIAN IND & TRADE CO LTD

CAM post-optimization method and system for geometric error compensation of multi-axis linkage numerical control machine tool

The invention relates to the technical field of numerical control machining, in particular to a CAM post-optimization method and system for geometric error compensation of a multi-axis linkage numerical control machine tool. The method comprises the following steps: firstly, carrying out kinematics analysis and geometric error modeling on a target machine tool, and deploying the target machine tool in a CAM post-optimization module; then actual state parameters of the target machine tool in the machining process are collected in real time through a laser interferometer; a motion instruction of a target machine tool and a detection result of a laser interferometer are synchronously obtained through a CAM post-optimization module, and then geometric errors of a linear axis and a rotating axis in the operation process of the target machine tool are calculated in real time through a kinematic model and a geometric error model. According to the method, different linear axis compensation modes are adopted for different instructions; and a cutter shaft attitude vector error and a cutter cutting point position error are calculated in combination with inverse kinematics, and are corrected step by step. The problem that the error compensation precision of a controller in an existing numerical control machine tool is insufficient can be solved.
Owner:HEFEI UNIV OF TECH

Surface cleaning device with fixing device and method for removing a cassette

A surface cleaning device is provided, comprising a cleaning head (12) with a cleaning head body (14), at least one cleaning roller (32) rotatable about a rotation axis (92), a drive motor (200) for the at least one cleaning roller (32), at least one cassette (92) with a holding device (94) for the at least one cleaning roller (32), wherein the at least one cleaning roller (32) is rotatably mounted on the holding device (94) and the at least one cassette (92) is removably seated on the cleaning head body (14), a receptacle (84) for the at least one cassette (92), which is arranged on the cleaning head body (14) and which is closed towards a first lateral side (80) of the cleaning head body (14) by a transverse wall (86) and is open towards a second lateral side (82) of the cleaning head body (14) opposite the first lateral side (80) through an opening (88),wherein the at least one cassette (92) on the second lateral side (82) at the opening (88) is removable from the cleaning head body (14) in a removal direction (186) and is insertable onto the cleaning head body (14) in an insertion direction (184), wherein a fixing device (192) is provided by which the at least one cassette (92) is fixable to the cleaning head body (14) in the region of the transverse wall (86) relative to the removal direction (186) and the insertion direction (184).
Owner:ALFRED KARCHER SE & CO KG

Airflow guide structure and aircraft

The aircraft includes a fuselage, a front wing and a rear wing provided to extend laterally from the fuselage for generating lift during cruise, a boom extending in a front-back direction supported by these wings to be spaced apart from the fuselage, a VTOL rotor supported on the boom and having one or more blades for generating thrust in a vertical direction during take-off and landing, a cooling system for cooling the VTOL rotor by using a radiator arranged within the boom, and an airflow guide structure provided in a part of the boom for guiding airflow generated by rotation of the blades to the radiator, and having an inlet provided on a side that faces toward a rotational direction of the blades relative to a rotational axis of the VTOL rotor, of a surface of the boom positioned below a plane of rotation of the blades.
Owner:HONDA MOTOR CO LTD

Blood pump

A blood pump comprises a pump casing having a blood flow inlet and a blood flow outlet, and an impeller arranged in said pump casing and rotatably supported in the pump casing by a bearing so as to be rotatable about an axis of rotation. The impeller has blades for conveying blood from the blood flow inlet to the blood flow outlet. The bearing comprises at least one stationary bearing portion coupled to the pump casing and having a stationary bearing surface that faces radially outwards. The bearing further comprises a rotating bearing surface interacting with the stationary bearing surface to form the bearing, wherein the rotating bearing surface faces radially inwards and is formed on an exposed radially inner edge of the blades. The blades are designed to draw blood deposit on the stationary bearing surface in a radially outward direction.
Owner:ABIOMED EUROPE GMBH

Multifunctional outdoor fan

Disclosed is a multifunctional outdoor fan. The multifunctional outdoor fan includes a fan base, a fan support, and a fan head. The fan head is provided with a rotating shaft, fan blades mounted on the rotating shaft, and a fan grille mounted outside the fan blades. The fan grille is provided with a water tank, the water tank is provided with a water injection port, and the water injection port is connected to a water tank cover. The rotation shaft is provided with an atomization assembly, the atomization assembly is in communication with the water tank through a water tube, the water tank supplies water to the atomization assembly through the water tube, and the atomization assembly is provided with an atomization port.
Owner:XIAO WENLONG

Air deflector, air conditioner and control method and control device of air conditioner

The invention discloses an air deflector, an air conditioner and a control method and device of the air conditioner. A rotating part is arranged at one end, in the width direction, of the air deflector, a first connecting part and a second connecting part are arranged at the two ends, in the length direction, of the rotating part correspondingly, the first connecting part is arranged to be connected with the driving mechanism, and the second connecting part is arranged to be rotatably connected with the supporting carrier; the rotating part is further provided with at least one third connecting part, the third connecting part is located between the first connecting part and the second connecting part, and the third connecting part is arranged to be rotatably connected with the supporting carrier so as to limit the air deflector to be separated from the supporting carrier. According to the scheme, the rotating part of the air deflector is transferred to one end of the width direction of the air deflector, and at least one third connecting part is additionally arranged, so that multi-point supporting connection of the air deflector and the supporting carrier is realized, and the situation that the rotating part of the air deflector deviates from a set rotating axis and is separated from the supporting carrier due to bending, deformation, interference and the like of the air deflector is prevented; and therefore, the use reliability of the air deflector is improved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Arm structure, hinge structure including the arm structure, and electronic device including the same

An arm structure of an electronic device is provided. The arm structure includes an arm body, a first cam disposed on one side of the arm body and including a first hole into which at least a portion of a rotating shaft providing a folding operation of the electronic device is inserted, a peak and a valley being formed around the first hole, a second cam arranged side-by-side on a same axis as the one side of the arm body, spaced apart from the first cam, and including a second hole into which at least a portion of the rotating shaft is inserted, a peak and a valley being formed around the second hole, and a connecting part disposed on another side of the arm body and fastened with a rotating part providing rotation of the electronic device.
Owner:SAMSUNG ELECTRONICS CO LTD

Discharge device for centrifuging a reaction vessel unit, centrifuge, and method for cleaning a discharge device

PCT designated stage expiredWO2025027173A1Laboratory glasswaresCentrifugesRotational axisMicrotiter plate
A discharge device (30) for centrifuging a reaction vessel unit comprising reaction vessels, for example a microtiter plate, is proposed, as is a corresponding centrifuge and a method for cleaning the discharge device (30). The discharge device (30) has a discharge plate (31), which can be arranged in a centrifuge opposite the openings of the reaction vessels. During the centrifuging, liquid exiting the reaction vessels owing to the centrifugal acceleration is collected by the discharge plate (31) and discharged. Fins (40) which are arranged approximately parallel to the axis of rotation of the rotor and transverse to the movement direction of the discharge plate (31) are present on that side of the discharge plate (31) which faces towards the openings of the reaction vessels. The discharge device (30) keeps liquid that is ejected from the reaction vessels during the centrifuging away from the rest of the device. The fins (40) ensure that ejected liquid is optimally discharged. Corrosion and / or chemical interactions with the ejected liquid are prevented, and the formation of aerosols is also greatly reduced. Cross-contamination of reaction vessel units during the centrifuging is largely prevented, as is the wetting of the reaction vessel unit. Furthermore, the cleaning effort is considerably reduced.
Owner:BLUECATBIO GMBH

Electromechanical linear actuator

An electromechanical linear actuator having a threaded drive, which comprises a threaded nut connected to a cantilever tube and a lead screw connected to a hollow shaft of an electric motor via a rotationally fixed connection in such a way that, by a rotation of the hollow shaft and the lead screw, the threaded nut and the cantilever tube are linearly movable. An axial design length of the electromechanical linear actuator in the maximally retracted state is minimized in that a holding brake for the lead screw and a first rotary bearing for bearing the lead screw on a housing of the linear actuator are arranged within the hollow shaft.
Owner:ROBERT BOSCH GMBH

Solar photovoltaic array tracker having axially offset panel sections

A solar array row includes a first panel section including a first frame tube and a first photovoltaic panel connected to the first torque tube and a second panel section including a second frame tube and a second photovoltaic panel connected to the second torque tube. The row further includes a drive engaged with the first frame tube and a cabling system including a cable connecting the first panel section to the second panel section. The cable translates rotational force on the first frame tube to the second frame tube such that, when the drive is actuated, the first frame tube rotates about a first rotational axis and the second frame tube rotates about a second rotational axis offset from the first rotational axis.
Owner:FTC SOLAR INC

Surface cleaning device with driven side cleaning tool and method for operating a surface cleaning device

A surface cleaning device is provided, comprising a cleaning head (12) with a cleaning head body (14), at least one cleaning roller (32) rotatable about a rotation axis (96), a drive motor (200) for the at least one cleaning roller (32), and at least one side cleaning tool (270) which is rotatable and / or oscillatable about at least one movement axis (294), wherein the at least one side cleaning tool (270) is coupled to the at least one cleaning roller (32) via a gear device (314) and wherein the rotation of the at least one cleaning roller (32) drives the movement of the at least one side cleaning tool (270) about the movement axis (294).
Owner:ALFRED KARCHER SE & CO KG

Hair clipper and motor block used in hair clipper

The present disclosure provides a hair clipper capable of reducing noise during use, and a motor block used in the hair clipper. The hair clipper according to the present disclosure includes rotary motor including motor drive unit and rotary shaft extending in a first direction, and motor drive unit includes bearing that supports rotary shaft in a state where clearance is provided between the bearing and peripheral surface of rotary shaft. The hair clipper also includes: shaft stopper that presses rotary shaft in at least one direction in directions intersecting the first direction to restrict shaft shaking during rotation of rotary shaft caused by clearance while allowing rotation of rotary shaft; and support part that supports shaft stopper.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Pump-assisted pressurizing stacked screw type sludge dewatering machine

The utility model relates to the technical field of sludge dewatering, and discloses a pump-assisted pressurizing stacked screw type sludge dewatering machine, which comprises a dewatering machine main body and a flocculation box, the dewatering machine main body comprises a mounting rack, a mounting frame is fixedly mounted on the upper side of the mounting rack, a filter cartridge is fixedly mounted in the mounting frame, a rotating shaft is rotatably mounted in the mounting frame, and the flocculation box is fixedly mounted in the mounting frame. Spiral propelling blades are fixedly mounted on the surface of the rotating shaft, and a dewatering motor is fixedly mounted at the end of the mounting frame. According to the sludge dewatering machine, the pressure box is arranged at the end of the filter cartridge, the piston is arranged in the pressure box, sewage is pumped and injected into the filter cartridge through reciprocating motion of the piston, the internal pressure of the filter cartridge is increased, when the rotating shaft rotates, the spiral propelling blade and the rotating disc are driven to rotate synchronously, and the spiral propelling blade rotates to extrude and dewater sludge; the rotating disc rotates and acts on the piston through transmission of the transmission rod, so that the pump-assisted pressurizing dehydration effect is achieved, and the sludge dehydration processing efficiency is greatly improved.
Owner:JIANGSU SUQI ENVIRONMENTAL PROTECTION EQUIP CO LTD

Live / forward-facing sonar transducer mount and aiming system for attachment to electric trolling motor

A sonar transducer mount and aiming system for attachment to an electric trolling motor, which includes a rotary actuator assembly and a rotating shaft. The rotary actuator assembly includes a housing that is secured to the electric trolling motor and a rotating coupler is rotationally driven. The rotating shaft is connected to and rotates with the rotating coupler and includes a sonar transducer mounting point. The rotating shaft of the sonar transducer mount and aiming system and the electric trolling motor shaft have a common axis of rotation and are configured to rotate independently from one another about the common axis of rotation.
Owner:BIRD JR R PAUL

Novel textile fabric tensile strength detection device

The invention discloses a novel textile fabric tensile strength detection device, and relates to the technical field of cloth detection equipment. The device comprises a base, a pressing block is arranged at the top of the base, push plates are arranged on the two sides of the pressing block, and first pressure sensors are installed in the push plates; an adjusting assembly is arranged on the top of the base. A rotating shaft, a gear and a toothed plate of the adjusting assembly are matched with a hydraulic rod and a clamping plate of the clamping assembly, accurate clamping and fan-shaped stretching of the side edge of cloth are achieved, and the defect that a traditional device can only conduct horizontal tension detection is overcome; an adjusting plate, an adjusting groove and a moving shaft of the linkage assembly are driven by a screw rod and a moving sleeve of the driving assembly, so that the cloth generates fan-shaped deformation under the action of lateral tension, the tensile strength of the side edge of the cloth can be evaluated more comprehensively in combination with dual monitoring of a first pressure sensor and a second pressure sensor, the accuracy of detection data is remarkably improved, and the detection efficiency is improved. The device is especially suitable for testing high-strength fabrics with easy-to-tear side edges.
Owner:JIANGSU RUIEN NEW MATERIAL CO LTD

Wire management system for tonneau cover

A foldable panel assembly (e.g., foldable tonneau cover) having first and second panels, the second panel being rotatably attached to the first panel about an axis of rotation. A wire management system is provided including a junction box disposed with the first panel and having an electrical connector. An electrical wire is attached to the electrical connector and extends from the junction box over an interface between the first and second panels. In the extended position, the electrical wire has an amount of slack sufficient to allow the electrical wire to move relative to one or both panels. In the folded position, the amount of slack in the electrical wire is reduced relative to the extended position and the electrical wire is taut over the interface. This configuration permits the panels to be folded and unfolded without pinching or straining the electrical wire during said folding and unfolding.
Owner:WORKSPORT LTD

Power transmission device

A power transmission device for a vehicle includes a housing that accommodates a power transmission mechanism, a partition section that supports the power transmission mechanism and divides an interior of the housing, a strainer arranged at a bottom of the housing, and a pump supported by the partition section. The housing defines a first chamber located on one side of the partition section in a direction of an axis of rotation of the power transmission device, and a second chamber located on the other side of the partition section. The strainer has a first connection port that connects to the pump, and a second connection port that connects to a second oil path inside the partition section, the second connection port connecting to the second oil path from a direction of assembly of the pump onto the partition section.
Owner:JATCO LTD +1

Rotating shaft assembly and electronic device

A rotating shaft assembly and an electronic device, where the rotating shaft assembly includes a panel and a rotatable support mechanism. The rotatable support mechanism includes a swing arm, a fixed structure, a limit part, and a support structure. The support structure is provided with a mounting plane, and the panel is fastened to the mounting plane; a first limit portion is formed on the swing arm; and the limit part is connected to the support structure, and a second limit portion is formed on the limit part. When the screen is in a folded state, the limit part is separated from the swing arm. When the screen is in an unfolded state, the second limit portion of the limit part can abut against the first limit portion of the swing arm, thereby implementing mutual constraint between the swing arm and the support structure.
Owner:HONOR DEVICE CO LTD

Ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization method and system

The invention discloses a roughness optimization method and system for ultrasonic vibration assisted magneto-rheological deterministic polishing, and the method comprises the steps: placing an ultrasonic vibration table on a workpiece rotating shaft of a magneto-rheological machine tool, and connecting and fixing a workpiece to be machined with a clamp of the ultrasonic vibration table; the position posture of the workpiece to be machined is adjusted through a leveling mechanism and a center adjusting mechanism of the magneto-rheological machine tool, and it is ensured that the press-in position and the press-in depth of a magneto-rheological polishing ribbon formed on a polishing wheel in the magneto-rheological machining process are consistent; the viscosity and the flow of the magnetorheological polishing liquid are kept stable; detecting surface shape error data of the workpiece to be processed by the wave surface interferometer and generating a processing code; and the obtained machining code is input into a magneto-rheological machine tool, so that the magneto-rheological polishing ribbon conducts deterministic polishing on the detected workpiece to be machined based on the fixed press-in position and the press-in depth. The ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization method aims at achieving ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization, material removal uniformity is promoted, and the roughness of a workpiece is effectively reduced.
Owner:NAT UNIV OF DEFENSE TECH