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Patent Searching and Data


Matches 1 - 50 out of 14,526

Document Document Title
WO/2024/056167A1
The present invention relates to a gearbox for an antenna (100), an antenna (10) including said gearbox as well as a mobile communication base station (1) including said antenna. The gearbox (100) comprising at least two phase shift adju...  
WO/2024/057993A1
This ball screw has: a screw shaft having an outer circumferential screw groove formed therein; a nut having an inner circumferential screw groove formed therein; a plurality of balls accommodated in a rolling route formed by the outer c...  
WO/2024/055693A1
A transmission assembly of a lifting column, which relates to the field of linear actuators, comprises a driving device (100), a first sleeve (110), and a second sleeve (120) arranged in the first sleeve (110), wherein a first lead screw...  
WO/2024/056924A1
The invention relates to a device formed by a spindle (11) connected to a nut (13) and to one or more servo motors (40) such that the transmitted torque will be the sum of the separate torques of the servo motors, the device comprising a...  
WO/2024/051882A1
The invention relates to a roller screw drive with a nut (1), at the inner circumference of which a nut thread (2) is formed wound about an axis, and with a spindle (3) that engages in the nut (1) and which has a spindle thread (4) and s...  
WO/2024/053415A1
A nut according to the present disclosure comprises: a cylindrical nut body through which a screw shaft is inserted; a plurality of inner track surfaces and a plurality of S-shaped groove surfaces recessed radially outward from the inner...  
WO/2024/052530A1
The present invention relates to a gear-shifting device (20) for a mobility vehicle (1), comprising a selection shaft (40) in which a shuttle (41), an endless screw (21), and a guide tube (45) in which the endless screw (21) is positione...  
WO/2024/048362A1
This ball screw device prevents contact of a ball rolling within an unloaded passage with a corner section of a nut member exposed to the interior of the passage, and enables favorable rolling conditions of the ball to be maintained over...  
WO/2024/041113A1
Provided in the present invention is a universal swinging-type recirculating ball nut mechanism of an electric power steering machine. The mechanism comprises a recirculating ball nut, a ball bearing and a belt pulley; one side of the ou...  
WO/2024/041115A1
The present application relates to a transmission mechanism (32), a driving device (30) and an electronic apparatus (100). The transmission mechanism (32) comprises a lead screw (321), a transmission member (322) and a guide assembly (32...  
WO/2024/042461A1
An actuator for a wheel suspension for a vehicle, comprising a housing comprising a housing wall; an electric motor configured for rotating the screw around its axis causing a screw nut to linearly move along a screw; a piston rod assemb...  
WO/2024/041687A1
The invention relates to an electromechanical actuator (1), comprising a screw drive (2, 8) in the form of a planetary rolling screw drive (2, 8), wherein the planetary rolling screw drive (2, 8) provided is a true-pitch screw drive havi...  
WO/2024/039423A1
A linear actuation system includes a pin pivotably coupled to an output rod of a linear motion actuator and a rotatable output shaft that includes a bushing therein. The pin can be configured to slide in and out of the bushing in respons...  
WO/2024/039513A1
A tube isolator connects a top mount (220) to an upper housing (224) and is configured to transfer forces between the top mount (220) and the upper housing (224). The tube isolator has an outer ring that is connected to the top mount, an...  
WO/2024/035582A1
A planetary roller screw drive for a steering actuator includes a screw spindle and a planetary roller assembly arranged thereon. The planetary roller assembly includes a roller body, planetary rollers arranged between the screw spindle ...  
WO/2024/018059A1
A height-adjustable supporting mechanism (10) for a supporting unit (11) of a supporting system (12) for supporting and securing a radially acting heavy load (13), in particular a tower of a wind power plant, wherein the supporting mecha...  
WO/2024/008146A1
A reciprocating transmission mechanism (10), comprising a transmission shaft (100), a reciprocating sleeve (200), limiting bodies (300), a balancing sleeve (400) and balancing bodies (500). The reciprocating sleeve and the balancing slee...  
WO/2024/008149A1
A reciprocating transmission mechanism (10), which comprises a transmission shaft (100), a reciprocating sleeve (200) and limiting bodies (300). When the transmission shaft rotates about its own axis, the limiting bodies are positioned o...  
WO/2024/008153A1
A reciprocating transmission assembly (10), comprising a rotating sleeve (100), a reciprocating shaft (200), and limiting bodies (300). One of the limiting bodies and a reciprocating guide rail (400) is arranged on the inner wall of the ...  
WO/2024/008661A1
The invention relates to a control valve, in particular an electrically controllable control valve, comprising: a housing in which a valve closing element is provided which closes a valve seat in a closed position and is raised from the ...  
WO/2024/002771A1
The invention relates to a screw transmission drive (1), in particular for the reticle stage (100) of a device (200) for lithography applications, comprising a leadscrew (4), which has a power transmission thread and a leadscrew nut (5) ...  
WO/2023/247850A1
The invention relates to an actuator (1) comprising: - a frame (20); - a screw (2)/nut (4) assembly comprising a nut (4) which engages with a screw (2) extending along a longitudinal axis (Ox); - a motor (3) arranged to rotate the screw ...  
WO/2023/247907A1
The invention relates to a pitch-change mechanism (70) which comprises a frame (72), a moving part (102) which can be translated along a longitudinal axis (X), and a locking device (160). The locking device (160) comprises a support memb...  
WO/2023/248319A1
An actuator (101) comprises: a rotor (22) which is rotatably supported on the inner side of a stator (21) and in which a female screw (22b) is formed in the inner peripheral surface of a center hole; a shaft (40) in which a male screw (4...  
WO/2023/247906A1
The invention relates to a pitch change mechanism (70) comprising a frame (72), an actuating cylinder (74) having a moving part (102) capable of translating relative to the frame (72), and a linkage system (78) connecting the moving part...  
WO/2023/243242A1
The present invention addresses the problem of manufacturing a small stage using a linear guide. A linear guide (1) according to the present invention includes: a single rail (3); a single block (4) that is movable relative to the rail (...  
WO/2023/243457A1
This hydraulic circuit control device comprises: a drive motor; a drive-side cylinder including a drive-side fluid chamber, and a drive-side piston moved by the drive motor; a driven-side cylinder including a driven-side fluid chamber, a...  
WO/2023/239012A1
The present invention relates to a transmission for an electric vehicle, which is a transmission capable of forward driving, including a first-stage forward mode in which power from a drive motor is transmitted to wheels via a sun gear, ...  
WO/2023/237447A1
The invention relates to a drive assembly (100) for an electromechanical brake actuator (300) comprising: a housing (1) having at least one guide groove (11) extending along a longitudinal axis (L1) and an end opening (13) which is posit...  
WO/2023/234029A1
This ball screw device comprises: a large number of balls; a screw shaft (110) having an outer circumferential surface on which a rolling groove (111) for the balls is spirally formed; and a nut member (120) having a through hole through...  
WO/2023/232480A1
The invention relates to an actuation device (1) for a brake system (2), comprising an electric machine (21), a rotor (22) of the electric machine (21) being arranged on a rotatably mounted drive shaft (23) in a rotationally fixed manner...  
WO/2023/235081A1
RET assemblies suitable for base station antennas are provided that include a gear plate with a plurality of arms that extend in a longitudinally upward direction and a plurality of arms that extend in a longitudinally downward direction...  
WO/2023/233313A1
The invention relates to a longitudinal adjuster (106), comprising at least: - a pair of rails (108) and - a drive device (120) for the pair of rails (108), wherein: the pair of rails (108) has a first rail and has a second rail on which...  
WO/2023/232174A1
A ball screw drive (1), in particular for an actuator of a hydraulic brake system, comprises two spindle drive elements (2, 3), namely a threaded spindle (2) and a spindle nut (3) which can be rotated relative to the threaded spindle. On...  
WO/2023/230990A1
A rotary driver, comprising a housing, a driving member, a connecting base, and a transmission structure. The connecting base is rotatably connected to the housing; the driving member transmits driving force output thereby to the connect...  
WO/2023/229074A1
Disclosed is a display device. This display device may comprise: a flexible display panel; a flexible plate which is positioned on the rear side of the display panel and to which the display panel is coupled; a driving module positioned ...  
WO/2023/225192A1
A tool for the deployment of a foldable transportable structure comprising an elongate housing, an elongate threaded worm screw rotatably mounted to the elongate housing, a slider block defining both a threaded slider passage into which ...  
WO/2023/222489A1
The invention relates to a cable cylinder comprising a body in which a a screw (2) is rotatably mounted so as to rotate about a longitudinal axis (X1) by being selectively driven by a motor (3), a nut (4) co-operating with the screw so a...  
WO/2023/223195A1
Described is a handling system (1), comprising a threaded bar (2), a first (3) and a second (3') nut designed to engage by screwing with said threaded bar (2) and to move relative to said bar (2), said threaded bar (2) having a first (21...  
WO/2023/223930A1
[Problem] To provide a ball screw device with which it is possible to effectively prevent a fitting shaft part of a screw shaft from slipping out of a fitting member in the axial direction even when a moment around an axis perpendicular ...  
WO/2023/217305A2
The present utility model relates to a vertical lifting column. The vertical lifting column comprises a power mechanism, and an inner pipe assembly and an outer pipe assembly which are connected in a nested manner, wherein the inner pipe...  
WO/2023/219461A1
The present invention relates to an anti-backlash ball nut and a linear motion device including same. The linear motion device comprises: an anti-backlash ball nut; a screw passing through the anti-backlash ball nut; a driving motor for ...  
WO/2023/217306A2
The present utility model relates to the technical field of lifting columns, in particular, to a brake mechanism and a lifting column using the brake mechanism. The brake mechanism comprises a connecting piece, a mounting base and a firs...  
WO/2023/217304A2
The invention relates to an easy installation brake mechanism. The brake mechanism comprises a first connecting piece, a mounting base and a second connecting piece. The mounting base is provided with an inner ring wall. The second conne...  
WO/2023/213021A1
A coaxial reciprocating motion mechanism (200), comprising an inner rotating shaft (1), an output shaft (2), and an outer sleeve (3). The inner rotating shaft (1) and the output shaft (2) are located on the same axis, and the outer sleev...  
WO/2023/204016A1
A linear actuator according to the present disclosure comprises: a ball screw device; a piston; and a rotation stopper. A screw shaft has a screw shaft body, a male spline part, and a level difference surface. A nut has a first end surfa...  
WO/2023/204002A1
This ball screw device comprises a screw shaft, a nut, a plurality of balls, a circulation component, a base component, and a fixing component. The nut is provided with a through hole penetrating therethrough in an assembling direction. ...  
WO/2023/198331A1
The invention relates to a press (1) which comprises a lead screw and nut mechanism (2), a drive unit (3), a press frame (4), an upper punch (5), and a lower punch (6), wherein the lead screw and nut mechanism (2) comprises a lead screw ...  
WO/2023/194364A1
The invention relates to a drive device for a closure element (2) of a motor vehicle, wherein the drive device (1) has a drive train (10) having two drive sections each having a drive connection, wherein the drive sections can be moved l...  
WO/2023/195501A1
The present invention improves the power efficiency of a device equipped with an electric motor. A vibration test device according to one embodiment of the present invention is provided with a vibration table on which an object to be e...  

Matches 1 - 50 out of 14,526