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Patent Searching and Data


Matches 1 - 50 out of 16,826

Document Document Title
WO/2018/130127A1
A drive assembly, comprising a hollow spindle (1), of which the outer wall is provided with external threads; a drive screw (2), located within the hollow spindle (1); a first drive nut (3), fitting the drive screw (2) by threads, the ho...  
WO/2018/131358A1
Provided is a power steering device that can reduce output pulley maximum-generated-stress. The output pulley of the power steering device is provided with a fastening part at the periphery of a screw insertion hole of a hub part. The fa...  
WO/2018/131535A1
A seal member for a ball screw device that is able to accommodate changes in the material and plate thickness of a seal plate in a flexible manner, has a simple configuration, and enables the manufacturing cost and the cost of managing p...  
WO/2018/128437A1
The present invention relates to a method for opening and closing wings of a special vehicle, which opens and closes the wings of a wing body truck by an opening and closing device provided inside a loading compartment of the special veh...  
WO/2018/122224A1
The invention relates to an electromechanical actuator (1) comprising: - a screw (15) extending along a longitudinal axis; - a nut (19) fitted on the screw (15) and provided with means (24) for connecting to an element (2) to be moved; -...  
WO/2018/122243A1
The invention relates to a driving device comprising: a frame (19), a screw-nut system comprising a threaded stem (18) and a first nut (20) helically linked with the threaded stem (18), the threaded stem (18) being connected to the frame...  
WO/2018/123564A1
Provided is an electrically driven actuator (1) formed by serially arranging: a drive section (2) having an electric motor (7); and a motion conversion mechanism (3) for converting the rotational motion of the drive section (2) into rect...  
WO/2018/123581A1
Provided is a mechanism for converting rotary motion to linear motion capable of being configured to be compact and of obtaining a large reduction ratio. A mechanism for converting rotary motion into linear motion is configured so that r...  
WO/2018/122239A1
The invention relates to a driving device comprising: a screw-nut system (17) comprising a threaded stem (18) and a first nut (20; 21) linked to the threaded stem (18) by means of a helical link; a gear (30) allowing a rotational movemen...  
WO/2018/113822A1
A ball screw drive (2), in particular for a shift actuator in a dual clutch transmission, comprises a threaded spindle (3), a spindle nut (4), and balls (7) which roll in a load section (10), formed between the threaded spindle (3) and t...  
WO/2018/113826A1
The invention relates to a planetary roller screw drive and to a method for producing a planetary roller screw drive, to an actuator comprising the planetary roller screw drive, and to a disengagement system for a clutch device of a moto...  
WO/2018/116739A1
This rotational drive source 1 for an electrical actuator is provided with an electric motor 5, a speed reducer 2, and a housing 8 that accommodates the electric motor 5 and the speed reducer 2, wherein the speed reducer is provided with...  
WO/2018/110216A1
Provided is a power steering device capable of determining the presence of device errors resulting from freezing of moisture that has penetrated inside a housing. An error determination unit determines the presence of errors in the power...  
WO/2018/105978A1
The present invention relates to a seatbelt system for an automobile or an aircraft and, more particularly, to a seatbelt system capable of being automatically released in an emergency such as a plane crash, a traffic accident, etc. The ...  
WO/2018/100953A1
A position detection structure is provided with: a rotation side pulser ring having a magnetizing part for which N and S poles are arranged alternating along the circumference direction on the inner peripheral surface side; and a fixed s...  
WO/2018/099516A1
The invention relates to a threaded nut (1) for a ball screw drive, comprising a deflecting body (3) which is attached on a central piece (2) of the threaded nut (1) and designed for recirculation of the balls, as well as a flange (4) th...  
WO/2018/096903A1
Provided is a plate material feeding device that can achieve reduced power consumption, improve durability, and supply plate material with high precision. A plate material feeding device 101 is provided with a housing 102, a lower roll 1...  
WO/2018/097615A1
According to the present invention, there may be provided an actuator comprising: a shaft comprising a thread; a rotor surrounding the shaft; a stator arranged outside the rotor; a moving portion coupled to the thread of the shaft; a hou...  
WO/2018/096732A1
One aspect of the present invention relates to a conveyance method in which an object to be conveyed is mounted on a slider and conveyed, the slider being connected to a ball nut threaded onto a ball screw shaft. The conveyance method co...  
WO/2018/091032A1
The invention relates to a ball screw drive which has a threaded spindle that is formed as a hollow spindle (2), wherein said threaded spindle is assembled from an outer part (5) having a thread (7) and an inner sleeve (6) that is connec...  
WO/2018/091034A1
The invention relates to a ball screw drive, comprising a threaded spindle (1), a threaded nut (2) arranged thereon and balls (7), which are arranged between the threaded spindle (1) and the threaded nut (2) and which are arranged in at ...  
WO/2018/092579A1
[Problem] To provide a ball type speed reducer which has a simple structure and which can be manufactured with reduced man-hours. [Solution] This ball type speed reducer 1 comprises: an eccentric circular plate cam 3 pivoting with an inp...  
WO/2018/092906A1
A magnetic power transmission structure according to one aspect of the present invention is equipped with: a cylindrical member configured from multiple magnets arranged in a divided manner around a shaft, and multiple magnetic pole memb...  
WO/2018/088540A1
A ball screw device (10) having: a threaded shaft (1); a nut (2); multiple first balls arranged so as to be able to rotate freely inside a helical raceway formed by a thread groove (11) in the threaded shaft and a thread groove in the nu...  
WO/2018/089038A1
A power-take-off system for use in a wave energy converter buoy employs a meshing nut and screw shaft assembly for motion conversion. That is, the motion of the buoy float is coupled to drive the nut along the screw shaft on which it is ...  
WO/2018/088143A1
Provided is an electrically driven actuator 1 comprising an electric motor section A, a motion conversion mechanism section B, and a housing 8 in which the electric motor section A and the motion conversion mechanism section B are accomm...  
WO/2018/088244A1
A direct drive electric actuator 1 is provided with an electric motor portion A, a screw mechanism portion B, and an operation portion C, wherein: the electric motor portion A and the screw mechanism portion B are arranged on the same ax...  
WO/2018/088506A1
A ball screw is equipped with: a threaded shaft (10) on the outer circumferential surface of which a helical first thread groove (11) is formed; a nut (20) arranged around the threaded shaft (10) and on the inner circumferential surface ...  
WO/2018/084312A1
In a linear drive device (100), a movable member (6) is driven using a guide shaft (5) supported by a bracket (4) and a lead screw (2). Since a nut mechanism (30), which together with the lead screw (2) configures a feed screw mechanism,...  
WO/2018/083838A1
Provided is a bearing retainer (1) which has excellent oil resistance and impact resistance. The bearing retainer (1) retains a plurality of balls in such a manner that the balls are apart from each other. In a ball screw that is provide...  
WO/2018/079540A1
This electric actuator is provided with: a driving motor 2; a motion conversion mechanism 6 which converts the rotary motion of the driving motor 2 into a linear motion in the axial direction parallel to the output shaft 2a of the drivin...  
WO/2018/079535A1
This electric actuator is provided with: a drive motor 2; a motion converting mechanism 6 that converts the rotational motion of the drive motor 2 into linear motion in an axial direction parallel to an output shaft 2a of the drive motor...  
WO/2018/079544A1
This electric actuator is provided with a driving motor 2; a motion conversion mechanism 6 which converts the rotary motion of the driving motor 2 into a linear motion; a boot 27 which prevents foreign substances from penetrating into th...  
WO/2018/078920A1
This actuator is provided with: a frame; a guide rail that is attached to the frame; a slider that is guided by the guide rail; a rotation-linear motion conversion mechanism that has a screw shaft supported by the frame and a nut attache...  
WO/2018/079555A1
This electric actuator is provided with: a driving motor 2; a motion conversion mechanism 6 which converts the rotary motion of the driving motor 2 into linear motion; and a motor case 8 which accommodates the driving motor 2. The motor ...  
WO/2018/077334A1
The invention relates to an actuator (1) having a spindle drive (2), a drive device (4) driving a spindle (3) of the spindle drive (2), a housing (5) receiving the drive device (4) and the spindle drive (2), as well as a traction means (...  
WO/2018/079549A1
This electric actuator is provided with a driving motor 2; a motion conversion mechanism 6 which converts the rotary motion of the driving motor 2 into a linear motion in the axial direction parallel to the output shaft 2a of the driving...  
WO/2018/078397A1
An actuator for adjusting a pilot valve in a gas supply regulator, the actuator comprising a drive electric motor configured to provide rotational movement to a first drive shaft, an emergency electric motor configured to provide rotatio...  
WO/2018/074499A1
The present invention has: a nut (21) rotationally driven by an electric motor (20); and a hollow threaded shaft (22) axially moved together with a movable sheave (3) by the rotation of the nut (21). The threaded shaft (22) has, formed i...  
WO/2018/074186A1
Provided is a raceway groove machining method in which machined-side raceway grooves for roll-contacting rolling elements are formed in the circumferential direction in a machined surface, which is the cylindrical circumferential surface...  
WO/2018/072167A1
A workbench latching device capable of running smoothly, comprising: a shell (1) fixedly connected to a frame; a threaded sleeve driving motor (351) mounted on the shell (1); a threaded gear ring sleeve (35) axially and fixedly mounted i...  
WO/2018/074391A1
This build-up device is provided with a heating head which includes a heat source for heating both a part of a workpiece being processed and a fixing material, and which causes the molten fixing material to adhere to the workpiece. The b...  
WO/2018/070702A1
The present invention relates to a headrest moving device, more particularly, relates to a headrest moving device provided with a contact assisting member for closely contacting two members engaged with each other for moving the headrest...  
WO/2018/068933A1
A steering system comprises a steering rod (2) displaceably mounted longitudinally axially in a housing (1) and a steering motor (5) which acts on the steering rod (2) by means of a ball screw drive (6), a continuous ball screw thread be...  
WO/2018/068778A1
The invention relates, inter alia, to a gear mechanism having a first gear mechanism part with a primary thread (35) and having a second gear mechanism part with a secondary thread (22), a thread pairing (35/22) being configured with a t...  
WO/2018/068932A1
A steering system comprises a steering rod (2) displaceably mounted longitudinally axially in a housing (1) and a steering motor (5) which acts on the steering rod (2) by means of a ball screw drive (6), a continuous ball screw thread be...  
WO/2018/070471A1
Provided is a vehicular holding device that, in an ON state, holds a vehicle component in a state where displacement of the vehicle component in an axial direction is restrained, and that, in an OFF state, holds the vehicle component in ...  
WO/2018/066664A1
Provided is a circulation component retainer with which damage to the circulation component and flying out of balls can be prevented. The circulation component (20) is a tubular resin member formed substantially in a C shape having a leg...  
WO/2018/065007A1
The invention relates to an actuator having a housing which has a housing inner chamber, a drive unit and a piston-cylinder unit and a pressure medium reservoir being located in the housing inner chamber. The piston-cylinder unit has a c...  
WO/2018/066500A1
This actuator (100) is provided with: a motor section (30) for rotating a drive shaft; a screw shaft provided parallel to the drive shaft and rotationally driven by the rotation of the drive shaft which is transmitted to the screw shaft;...  

Matches 1 - 50 out of 16,826