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WO/2015/182761A1 |
The screw shaft of this ball screw device comprises high-carbon bearing steel having an Ms point of 172°C or lower and a DI value of 2.8 or above; and has an effective case layer of hardness of HV 500 or above formed in a specific ar...
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WO/2015/182764A1 |
The screw shaft of this ball screw device has a structure produced through high-frequency heat treatment of high-carbon bearing steel, in which an effective hardness layer having hardness of HV 500 or greater is formed in a specific a...
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WO/2015/184056A1 |
Backlash in a precision system such as a pumping system can be reduced or eliminated with an anti-backlash device that has a first nut coupled to and fixed in relation to a piston. The first nut and a second nut may engage with a lead sc...
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WO/2015/182767A1 |
The screw shaft of this ball screw device is produced through heat-hardening of high-carbon bearing steel or a steel material having an Ms point of 172°C or lower and a DI value of 2.8 or above; and the following are each set within ...
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WO/2015/177301A1 |
The invention relates to an actuator (4) for controlling a flight control surface (3) of an aircraft, comprising: - a primary route (5) comprising a first member (8) for generating a first torque, and a first drive shaft (10) having an e...
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WO/2015/117612A3 |
The invention relates to an actuator comprising a planetary roller screw (PWG), in particular for actuating a clutch in a vehicle, wherein a plurality of planetary rollers (4.2) that mesh with a ring gear (4.1) surrounding the planetary ...
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WO/2015/178626A1 |
Provided is a gravity type of electric power generating apparatus, comprising: a main body case; an operating unit; a direction changing unit; and an electric power generating unit. The main body case has a plurality of guide rods that h...
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WO/2015/174516A1 |
Provided is an actuator capable of rotating a support nut and automatically correcting position displacement of intermediate supports that move in the axial direction of a screw shaft, when the intermediate supports come in contact with ...
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WO/2015/173755A1 |
Actuators and methods useful in the operation aircraft flight control surfaces are disclosed. Some of the actuators and methods disclosed may be useful in the operation flight control surfaces when a fault condition such as a jam associa...
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WO/2015/175132A1 |
A mechanical converter assembly includes an input, a lever stack (multiple levers), and an output. The input is configured to receive a mechanical drive force (or mechanical input signal) from a driver resource. The lever stack translate...
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WO/2015/172828A1 |
A spindle device (S) for a piston (K), which is held in a reservoir (A) containing a medicament fluid, said spindle device (S) comprising: a first rotationally secured displacement stage (9) with a thread (22), a second rotationally secu...
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WO/2015/171113A1 |
A linear motion actuator is disclosed. The linear motion actuator can include a double-shafted motor having a first motor shaft with a first screw thread and a second motor shaft with a second screw thread. The first screw thread can hav...
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WO/2015/170444A1 |
Provided is a ball screw device for which the wobbling of the end part of the threaded shaft is reduced even when an excessive load is applied to the threaded shaft. Also provided is a method for manufacturing this ball screw device. The...
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WO/2015/170593A1 |
Provided is a gear shift operation mechanism that makes it possible to achieve a reduction in size, a reduction in weight, reduced power consumption, a simplification of components, a reduction in the number of components, and a reductio...
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WO/2015/170535A1 |
The invention of the present application relates to a linear motion device-packaging configuration for packaging a linear motion device (1) that has a first member, a second member fitted on the first member so as to allow relative linea...
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WO/2015/169735A1 |
The invention relates to a bearing (3) for a ball screw drive (2) with a ball nut (1) rotatable about a longitudinal axis (5) for holding a threaded spindle arranged concentrically therein, wherein the ball nut (1) is arranged in an inne...
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WO/2015/165992A1 |
Drug delivery device adapted to receive a cartridge, comprising a drive tube with an inner thread, a motor assembly comprising a drive shaft and being adapted to be received inside the drive tube, a drive member attached to the drive sha...
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WO/2015/162116A1 |
A latch actuator comprises a motor (12), a speed reduction gearing (15-17) coupled to an output shaft of the motor (12), a spindle (11) and a motion conversion mechanism (21, 22). The spindle (11) has a threaded portion (18) in engagemen...
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WO/2015/161714A1 |
Disclosed is a plastic worm (200) in a horizontal electric adjustment device of an automobile seat, which is injection molded by using a PEEK material. A shaft end (210) is protruded from the plastic worm (200) in an axial direction, an ...
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WO/2015/159508A1 |
A ball screw equipped with a ball return path formation component having a tongue, wherein the end surface of the tongue (42) of the ball return path formation component (4) has a groove-bottom-opposing line (L) which, in a cross section...
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WO/2015/160267A1 |
A reciprocating engine having a fixed body and at least one rotating and reciprocating member. The engine also has at least one combustion chamber, and the or each combustion chamber is defined between at least a fixed member connected t...
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WO/2015/154791A1 |
The invention relates to a lead screw drive (10) and a spindle nut (12) for converting a rotational movement into a longitudinal movement or vice versa, wherein the internal thread (20) of the spindle nut and the external thread (30) of ...
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WO/2015/156797A1 |
Systems and methods in accordance with embodiments of the invention implement bulk metallic glass-based strain wave gears and strain wave gear components. In one embodiment, a strain wave gear includes: a wave generator; a flexspline tha...
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WO/2015/156072A1 |
When this linear motion device (1) is shipped, an anti-rust grease is filled between a first member (2) and a second member (4), and a seal member (6) is configured such that a lubricating grease supplied with an automatic oil supply met...
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WO/2015/156706A2 |
The present invention relates to an electromechanical actuator comprising a housing, an electric motor, a roller drive and a rotor rotation angle sensing unit received in said housing. The rotor of the electromechanical actuator is mo...
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WO/2015/048970A3 |
In some vehicles and construction and agricultural machinery, the driver's cabin is mounted in a tiltable manner over the engine room. For tilting the driver's cabin linear actuators can be used, where an electric motor through a transmi...
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WO/2015/151804A1 |
The ball screw device (120), which has a screw shaft (103) and a nut (101) that is screwed on the screw shaft (103) via multiple balls (106), comprises: a lubricant-containing body (108) that contacts the outer circumferential surface of...
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WO/2015/150574A2 |
The invention relates to control equipment (1) for generating a rotational travel motion from a rotational drive motion, in particular for the rotational adjustment of a valve, comprising a drive shaft (2), an intermediate body (2), a re...
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WO/2015/154026A1 |
Serial linear actuators that are compact in size and can operate at high speeds with reduced failure rates. The disclosed linear actuators may be used in sub micron positioning applications such as, for example, in semiconductor or biote...
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WO/2015/149154A1 |
A torque converter includes a rotor and a cam follower. The rotor has an eccentric profile defining a power output phase and a reset phase. The rotor includes a magnetic rotor portion, and the cam follower includes a magnetic follower po...
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WO/2015/022224A3 |
The invention relates to a combined vehicle brake which has a hydraulically actuable service brake and an electromechanically actuable parking brake device. The present invention is based on the problem of improving the known ball screw ...
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WO/2015/139502A1 |
A beveled disc stepless transmission; the driving beveled disc and driven beveled disc thereof respectively consist of a moving beveled disc and pressure beveled disc as a pair; the pressure mechanism thereof is comprised of an end surfa...
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WO/2015/140334A1 |
Machining tool comprising a frame in which a drive shaft for a tool is mounted so as to pivot about a rotation axis and to move axially along the rotation axis. The shaft is connected to two rotary motors, namely a first motor connected ...
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WO/2015/140358A1 |
The invention relates to a continuous and articulable screw (1) that permits the transmission of forces in a transverse direction in relation to the axial shaft of the screw, in an articulable and continuous manner. The screw comprises a...
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WO/2015/137494A1 |
Provided are: a ball screw having increased reliability, and having high positioning accuracy and strong affixing of a block member; and a method for producing same. The present invention is provided with: a nut (3) at the inner peripher...
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WO/2015/135514A1 |
The invention relates to a a ballscrew drive comprising a ball nut (1) arranged on a ballscrew shaft (14), which nut has a nut part (2) and deflection elements (3), arranged on the outer circumference of the nut, for balls, the deflectio...
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WO/2015/107208A3 |
The invention relates to an actuator (4) for controlling a horizontal stabiliser (3) of an aircraft, including: a primary channel including a screw (6) and a primary nut (7), the primary nut (7) being suitable for engaging with the screw...
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WO/2015/129163A1 |
Provided is a ball screw device for reducing runout of the end part of a screw shaft even when the screw shaft is under an excessive load. To achieve this, a ball screw device (1) has a screw shaft (10) having a helical groove (11) fo...
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WO/2015/128893A1 |
Provided is a ball screw used with precompression applied to a ball, wherein the ball screw has a structure having a balance of cooling efficiency and ease of assembly/disassembly. To accomplish this, the ball screw has one screw shaft a...
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WO/2015/127497A1 |
A linear actuator comprising a motor adapted to axially rotate a rotor shaft in alternating directions, the motor having a stator positioned co-axially around the rotor shaft with the rotor shaft being co-axially coupled to a drive mecha...
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WO/2015/129313A1 |
In the inner end part of a first connecting passage (50) formed to open in one end side of a ball circulation groove (42), a first tapered part (54) of which the inside diameter gradually decreases toward the inner-end-part opening is...
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WO/2015/129485A1 |
A ball screw device (100) is provided with a screw shaft, a nut (101) threaded on the screw shaft with a plurality of balls interposed therebetween, a circulating member (103) for circulating the plurality of balls between the screw s...
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WO/2015/129502A1 |
Provided are a power steering device for making a ball move smoothly within a connecting member for circulating a ball, and a method for manufacturing the power steering device. A first curved surface part of a first connecting passag...
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WO/2015/124712A1 |
The invention relates to an actuator including a stationary structure and an actuation element that is movable relative to the stationary structure. A device for locking the actuation element into position is mounted onto the stationary ...
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WO/2015/124387A1 |
The invention relates to a recirculating ball nut (12) for a ballscrew drive, comprising a base (13) which has at least one recirculating ball path (26). According to the invention, the base (13) is a forged part and the ball raceway (26...
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WO/2015/125361A1 |
A steering device (80) includes a steering column (50), a bracket (52), and an affixation mechanism (1). The affixation mechanism (1) is provided with a roller clutch (8), an inner ring (7), and a slip ring (6). The roller clutch (8) and...
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WO/2015/081950A3 |
The invention relates to an actuator having a gear mechanism converting a rotary motion into a linear motion, in particular for operating a clutch of a vehicle. According to the invention, on at least one axially movable element (A, B), ...
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WO/2015/121710A1 |
An input gear (10) mounted on said shaft (14), a spiral tooth (12) along said shaft (14). The length of said spiral tooth (12) along said shaft is longer than the circumference of said input gear (10). Upon one full rotation of said inpu...
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WO/2015/122380A1 |
This ball screw device (1) is provided with a ball circulation part (5) having a ball circulation path (7). The ball circulation part (5) is formed by combining a first split body (50) and a second split body (60). The first split body (...
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WO/2015/121494A1 |
Telescopic drive assembly comprising a rotatable threaded drive member, an outer tube assembly arranged axially moveable relative to the drive member but non-rotational relative to a frame and comprising a nut portion in threaded engagem...
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