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WO/2021/100445A1 |
Provided is an actuator capable of shortening a total length. An actuator (2) is provided with: a casing (7); a hollow shaft (8) that has a bottom (8b) and that is rotatably supported on the casing (7) via bearings (9a, 9b); a screw shaf...
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WO/2021/100390A1 |
In this electric actuator, a rotational output shaft of a motor (25) capable of forward rotation and reverse rotation is capable of transmitting power to a guide rotating body (30) that has a cylindrical outer peripheral surface. A coil ...
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WO/2021/098178A1 |
An underwater lead screw slider transmission device. The device comprises two parts, i.e., a watertight motor (1) and a lead screw slider transmission mechanism; a driving motor, a transmission mechanism, a detection means, and a control...
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WO/2021/089212A1 |
The invention relates to a piston actuating device (10), in particular for conveying a pressure medium in a pressure medium circuit (23) of a brake system of a motor vehicle. Known piston actuating devices (10) comprise a device housing ...
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WO/2021/090907A1 |
A power transmission device according to the present invention comprises: a housing; a ball screw device comprising a nut housed within the housing, a threaded shaft passing through the nut, and balls disposed between the nut and the thr...
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WO/2021/090696A1 |
A power transmission device provided with: a housing; a ball screw device having a nut, a threaded shaft, and a plurality of balls; a pulley device having a drive pulley that operates by receiving power from a power source, a driven pull...
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WO/2021/090882A1 |
Provided is a feeding device which has a simple construction satisfying long-distance conveying, high-speed conveying, quietness, and high precision, and which does not require a high degree of assembly accuracy. This feeding device incl...
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WO/2021/083994A1 |
The invention relates to a device (30) for regulating the concentration of glucose in the blood of a person, said device comprising: - a pump, - at least one planetary roller screw drive (1), comprising: - a spindle (2); - first and seco...
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WO/2021/086713A1 |
The subject matter of this specification can be embodied in, among other things, an actuator that includes a worm drive assembly having a worm shaft, and a worm wheel configured as a ring having a radially outer perimeter comprising a fi...
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WO/2021/074349A1 |
The invention concerns an uplock for the selective retention of an olive (200) of a moving element, the uplock comprising a hook (3) that can move between a release position and a retaining position of the olive of the moving element, an...
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WO/2021/075218A1 |
[Problem] To provide a swing-type speed reducer that has a large crossing angle, and that can be further miniaturized compared to conventional speed reducers. [Solution] Provided is a swing-type speed reducer 1 comprising: a main body 10...
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WO/2021/075217A1 |
An electric actuator provided with: an electric motor 2; a speed reducer 3 that reduces the rotation of the electric motor 2 and outputs the same; a screw shaft 7 that is rotated by the output from the speed reducer 3; a bearing 9 suppor...
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WO/2021/069994A1 |
Described is a mechanical transmission (T) comprising a containment structure (1) housing a roto-translational element (2), extending along an axis of rotation (X) and comprising a first and a second threaded portion (3, 4), a rotary ele...
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WO/2021/069022A1 |
The invention relates to a planetary roller screw drive for an actuator of a rear-axle steering system of a motor vehicle, comprising a planetary roller support (7) which accommodates the planetary rollers (3) and is connected to a drive...
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WO/2021/070850A1 |
The present invention is a resin nut provided with an injection molded product as a main body with a screw hole formed therein. A stepped surface is provided by forming a recessed part in the end surface of the main body on a screw hole ...
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WO/2021/069981A1 |
Described is a rotary mechanical transmission (T), comprising: a containment structure (1), a first rotary element (5), connected or connectable to a drive unit to define a mechanical power input unit and rotatable about an axis (X). The...
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WO/2021/063808A1 |
The present invention relates to an apparatus for actuating a valve for a high-pressure system, in particular for a system for producing polyethylene, said apparatus including a pneumatic drive unit (10) and a threaded drive (11) which h...
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WO/2021/066668A1 |
A gearless differential comprises two coaxial sun wheels (1, 2), a carrier (3), and intermediate bodies (4) in the form of balls or non-round bodies. The intermediate bodies (4), which are simultaneously kinematically coupled to the carr...
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WO/2021/052526A1 |
The invention relates to a planetary roller screw drive (2) comprising a threaded spindle nut (3), a horizontal threaded spindle (4), a plurality of planetary rolling elements (5) having a planetary rolling element profile (6), and at le...
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WO/2021/020263A9 |
Provided is a roller screw unit that has a large rated load in an axial direction, generates little heat, and is capable of suppressing fluctuations of friction torque caused due to a free zone obtained when a rolling direction is revers...
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WO/2021/048152A1 |
The present invention relates to a pusher mechanism comprising a column (1) capable of being subjected to a compressive force or a pulling force when in use and having a height (H) defining a first direction, a width (l) and a thickness ...
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WO/2021/047355A1 |
Disclosed in the present invention is a self-locking device for a linear actuator, belonging to the field of linear actuation apparatuses. The self-locking device comprises a one-way bearing and a friction collar, the one-way bearing com...
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WO/2021/049803A1 |
According to a steering column for a vehicle according to the present embodiments, a wide convenient space can be secured for a driver in a teles-in state by increasing a teles-stroke while securing an installation space for the steering...
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WO/2021/044926A1 |
This electric cylinder system comprises: a rod; a ball screw mechanism that has a ball screw rotating by a driving force of an electric motor; a nut that is connected to the rod and moves linearly with the rod in the axial direction of t...
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WO/2021/046149A1 |
The RET adjuster includes a drive assembly with a rotatable drive member operatively connected to a phase shifter assembly such that rotation of the drive member adjusts the phase shifter assembly. A first connector is coupled to the dri...
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WO/2021/043826A1 |
The claimed cam (2) comprises a cylindrical ring (3) having a substantially circular outer section (4) and, externally, a helical running track (7), said ring (3) comprising a conduit (8) that connects two ends (7a, 7b) of said external ...
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WO/2021/035859A1 |
A rotary transmission mechanism, comprising a fixing base (6), a conjugate cam (3), an input shaft (1), an output shaft (2), and a driven member (4), conjugate meshing parts, and a control arm configured between the input shaft (1) and t...
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WO/2021/039176A1 |
An actuator 38C comprises: a cylinder 50 sandwiched between a bearing housing 52 and an anchor plate 70 anchored along with a servo motor 32C to another end surface of a support plate 34C; a ball screw shaft 66 having one end protrude in...
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WO/2021/040291A1 |
The present invention is installed on an inner race of a bearing, through which a ball screw passes, and aligns the center of the bearing and the center of a root of the ball screw, and comprises: a body member which is coupled to the in...
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WO/2021/036289A1 |
Provided is a screw rod flexible transmission mechanism, comprising a screw rod (1), a nut (2), and a gear (3); the nut is sleeved on the outer circumference of the screw rod; the center of the gear is provided with a round hole; the gea...
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WO/2021/041564A1 |
A variety of transmissions, and improvements thereof, are provided having improved efficiency and other benefits. The transmissions include one or more inner members that are driven by one or more cams or other means to engage in precess...
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WO/2021/037916A1 |
A release and brake mechanism for an electric actuator comprising a solution to the fail-safe return based on rotational release of the speed reducer/gear assembly housing. In addition, the invention comprises different braking solutions...
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WO/2021/039009A1 |
Provided is a steering device having a lock nut that fixes the outer ring of a steering nut screwed to a rack bar and in which a loosening prevention protrusion formed in a lock nut body is brought into contact with a radial abutting sec...
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WO/2021/041783A1 |
An actuator includes housing having a reciprocation axis, motor within the housing, drive gear coupled to the motor, and electromagnetic clutch coupled to the motor and the drive gear. The clutch engages first and second clutch plates re...
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WO/2021/039058A1 |
The purpose of the present invention is to provide an actuator capable of reducing an acceleration shock at the time of turning back caused by an excessive load in the lateral direction orthogonal to the axis of the actuator while suppre...
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WO/2021/041483A1 |
A mounting system for mounting a marine electronics unit to a boat console panel may include a base to be connected to the boat console panel and aligned with a mounting hole in the boat console panel, an actuator connected to the base, ...
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WO/2021/034200A1 |
This invention generally concerns the field of linear actuator in a cylindric housing. More particular, the present disclosure relates to a ball screw driven linear actuator for converting rotational movement into linear movement, and vi...
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WO/2021/029867A1 |
The improved gearbox mechanism of the present invention includes a plurality of cam-actuated gear block assemblies, which transfer power from a power shaft to a secondary or output gear element. Each gear block assembly includes a gear b...
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WO/2021/023166A1 |
Disclosed is a five-segment lifting column, comprising a lifting assembly and five lifting pipes that are mutually connected in a sleeved manner, wherein the five lifting pipes are sequentially a first lifting pipe (110), a second liftin...
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WO/2021/025132A1 |
This drive device has a feed screw that rotates about a center axis and a guided member that is guided in an axial direction along the center axis, the guided member has a nut member provided with a threaded part that threads with the fe...
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WO/2021/020313A1 |
A housing (12) includes an accommodating space (120) for accommodating a motor (20) and a speed reducer (30). A rotary translation unit (2) includes a rotating unit (40) which rotates relative to the housing (12) when torque output from ...
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WO/2021/020075A1 |
A motion conversion mechanism 4 has a rotation member 7 that is rotationally driven by an electric motor, and a linear motion member 8 that moves linearly in the rotational axis direction of the rotation member 7 in conjunction with the ...
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WO/2021/018339A1 |
The invention relates to a method for producing a threaded nut (1) of a threaded drive. In a molding process, a sleeve (4) is produced from a steel sheet which is suitable for case-hardening. A flange (7, 11) is integrally molded on the ...
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WO/2021/019670A1 |
Provided is an electric power steering device in which a rotation transmission mechanism can be easily assembled with respect to a drive conversion mechanism within the electric power steering device. An electric power steering device (1...
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WO/2021/019669A1 |
Provided is an electric power steering device that can be mounted in large vehicles and reduced in size. An electric power steering device (1) comprising a rotation transmission mechanism (2) that transmits the rotation of an electric mo...
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WO/2021/018338A1 |
The invention relates to a method for producing a threaded nut (1) of a threaded drive, having the following steps: a sleeve (4) is produced from a steel sheet which is suitable for case-hardening; a rolling profile (5) for a rolling con...
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WO/2021/018752A1 |
The invention relates to a coaxial gear set (1) comprising: a crankshaft (3) which can be rotated about an axis of rotation (2) and has at least one connecting rod bearing (4); and multiple, preferably at least three, pistons (5a, 5b, 5c...
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WO/2021/013309A1 |
The invention relates to a drive unit for motor-vehicle applications, comprising an electric-motor drive (1, 2) and an actuation rod (3), which is mounted, at one end (3a), on the drive (1, 2) and is acted upon by the drive. The drive (1...
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WO/2021/009560A1 |
A device including a frame; an actuator attached to the frame and slidaby movable with respect to the frame along a linear axis, and a helical member positioned within the frame and rotatably movable with respect to the frame about a hel...
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WO/2021/010641A1 |
The present invention relates to an automated guided vehicle for moving safely in order to stably transfer flat plate-shaped goods, the vehicle comprising a bogie part (100) capable of autonomous driving, and a loading part (200) mounted...
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