Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 17,610

Document Document Title
WO/2019/212001A1
[Problem] To provide a reducer which is capable of exerting the same function as that of a ball reducer, and has a simple structure, and in which the number of components is small and the number of assembly steps can be reduced. [Solutio...  
WO/2019/208510A1
This ball screw includes: a screw shaft (10) having a spiral first screw groove (11) formed in an outer peripheral surface thereof; a nut (20) disposed on the periphery of the screw shaft (10) and having a spiral second screw groove (21)...  
WO/2019/208549A1
The present invention addresses the problem of providing a sliding member less susceptible to decreased durability and having improved hardness and a manufacturing method thereof, and a power steering device and manufacturing method ther...  
WO/2019/209520A1
In at least some implementations, an actuator includes a motor, an output rotated by the motor about an axis, and a housing having an interior in which the motor and electrical component are received. The housing includes a first housing...  
WO/2019/207929A1
Provided is a separator having excellent chemical resistance, impact resistance, and productivity. A bearing holder (1) is a separator which is interposed between two spheres which are adjacent to and move in conjunction with each other,...  
WO/2019/202779A1
Provided is a machining tool in which the effort in exchanging a ball screw can be alleviated. A machining tool (1) is provided with: a base 5; a moving body 6; a ball screw 7 having a nut 7n and a screw shaft 7s; a cap member 8 that cov...  
WO/2019/192642A1
The invention relates to a gearing arrangement (1) for a device (2) for the level adjustment of a vehicle structure, comprising a gear wheel (3) that is rotatably mounted on a stationary housing bolt (9) via a bearing element (5) consist...  
WO/2019/194143A1
A linear motion mechanism 20 is accommodated within a housing 30 having an opening 30a and driven by an electric motor 10, causing a cylinder 60 movably and integrally linked to a ball screw nut 50 to be displaced in an axial direction. ...  
WO/2019/195852A1
A linear drive actuator (10) that includes a motor 20 coupled to a threaded roller screw shaft (70) with an integrally formed inner race (71) formed on one end used by an fixed thrust bearing (60). Mounted on the roller screw shaft (70) ...  
WO/2019/189655A1
As one example, a rotation-linear motion conversion device according to an embodiment comprises: a rotation member that is driven by a motor to rotate around a center of rotation; a linear motion member that advances linearly in the dire...  
WO/2019/189342A1
The purpose of the present invention is to provide an actuator in which jamming of sliding surfaces hardly occurs and a desired operation can be reliably performed. The actuator (1) is provided with: a housing (3); a shaft (4) having one...  
WO/2019/188238A1
In a ball screw device with which it is possible for a ball preload amount to be appropriately managed, and with which it is possible for balls to be re-preloaded when the preload has been lost, without a nut member being taken off a scr...  
WO/2019/189654A1
A motion conversion mechanism of this brake device includes a rotation member, and a linear motion member which moves linearly with rotation of the rotation member. The rotation member is driven to rotate through a third gear. A male scr...  
WO/2019/191104A1
A device includes a motor and a hollow drive shaft. The motor is configured to rotate the hollow drive shaft, A lead screw nut is operably connected to the hollow drive shaft. The lead screw nut Is configured to rotate upon rotation of t...  
WO/2019/180219A1
The invention relates to an electromotive furniture drive comprising a drive motor (20) and a lift spindle (52), wherein the lift spindle (52) and an output shaft (22) of the drive motor (20) are arranged in a common plane (A), and where...  
WO/2019/181365A1
The purpose of the present invention is to suppress an increase in pressure of internally contained lubricating oil and to reduce leakage of the lubricating oil. This actuator (1) is provided with: an accumulator (4) which has a gas comp...  
WO/2019/180218A1
The invention relates to an electric motor-powered furniture drive comprising a housing (10) on which a drive motor (20) and a support tube (31) is fastened, a lifting spindle (52) being arranged in the support tube (31), and an output s...  
WO/2019/175049A1
The invention relates to a converting device for converting a linear movement in a stationary system into a rotational movement about a pivot axis (9) in a system which rotates about a rotational axis (8), wherein the pivot axis (9) and ...  
WO/2019/172496A1
The technology disclosed in the present specification may comprise: a lower center frame comprising first and second support members which extend from first and second ends thereof, respectively; first and second horizontal linking membe...  
WO/2019/171459A1
A cam mechanism which generates an axial force in combination with a means for producing a differential around a shaft is provided with: a cam plate which is rotatable around the shaft and coupled with the means to receive the differenti...  
WO/2019/172665A1
Disclosed is a bearing screw conveying device for converting a rotational motion of a screw shaft into a linear motion by means of a bearing. The bearing screw conveying device according to the present invention comprises: a rotating scr...  
WO/2019/170203A1
Linear actuator comprising a reversible electric motor (20), a transmission (21), a non- self-locking spindle (22), where the reversible electric motor (20) through the transmission (21) drives the non-self-locking spindle (22) and a spi...  
WO/2019/168004A1
An inward-facing flange part 23c protruding toward an inside-diameter side is provided to an opening part in a distal-end side of a housing 23. An outward-facing flange part 24d protruding toward an outside-diameter side is provided in a...  
WO/2019/165708A1
Disclosed is a compliant polishing system, comprising a rack (1), a polishing head (2), a central lead screw (3) and several rolling lead screws (4), wherein the polishing head (2) is rotatably connected to the outer end of the central l...  
WO/2019/167645A1
In the present invention a central shaft, both ends of which are supported so as to enable forward/reverse rotation, two guide rings, a threaded pipe extending/retracting body, and a winding tube are arranged in the stated order concentr...  
WO/2019/167964A1
A screw shaft 22 constitutes a feed screw mechanism which is provided to an electric actuator. In the screw shaft 22, a mounting surface 22c to which a sensor target is mounted, is formed. A section where the mounting surface 22c is form...  
WO/2019/163430A1
This steering device is provided with a steering shaft rotation restricting member (100) having a contact member (101) and an urging member (102). The urging member (102) urges a steering shaft (6) and/or the contact member (101) in a di...  
WO/2019/163612A1
This operation system for a piston-type expander comprises: a first engaging member that is fixed to an output shaft of the piston-type expander, rotates together with the output shaft, and has a first slanted surface; a second engaging ...  
WO/2019/158331A1
The invention relates to a linear actuator for a valve of a motor vehicle, having an electric motor (10), a planetary transmission (12) having a ring gear (20), and a sun gear (22), a spindle drive (14) having a spindle rod (36, 36') hav...  
WO/2019/160452A2
The invention relates to mechanical engineering, and more particularly to devices for converting non-uniform rotational motion into uniform rotational motion and vice versa. A motion conversion mechanism comprises a housing, a common sha...  
WO/2019/158150A1
The invention relates to a ball screw nut for a ball screw drive, comprising a sleeve element (3) which is formed as a sheet metal part and has a thread (8) which is formed for the largest part as a load channel (9), wherein a relief sec...  
WO/2019/158553A1
Threaded spindle module (1) comprising a threaded spindle (8) which extends along a longitudinal axis A and has an external thread (15) at an output-side end (13), and has, offset with respect to the external thread (15), a drive-side en...  
WO/2019/155817A1
A rolling-body screw device 10 is provided with: a threaded shaft 11 having a rolling-body rolling groove 11a; a nut 21 having a loaded rolling-body rolling groove 21d; a return path 27 connecting one end and the other end of a loaded ro...  
WO/2019/155874A1
This method for manufacturing a linear motion guide device has a step of forming a long member (8) having a pair of side wall parts (51) and a bottom wall part (52), a step of attaching track bodies (4) to the pair of side wall parts (51...  
WO/2019/149411A1
The invention relates to a vehicle device (1) comprising an electromechanical actuator (2), which electromechanical actuator (2) has an electric motor (4) and a spindle device (9) with a rod (21) and a spindle nut (6), which spindle nut ...  
WO/2019/150881A1
The present invention uses a bearing having one radial bearing part and two axial bearing parts, each bearing part having a plurality of rolling elements retained in a retainer. The row of rolling elements of the radial bearing part cont...  
WO/2019/151099A1
The purpose of the present invention is to provide a speed reduction device which has a small size and with which a high speed reduction ratio can be obtained, and high rotational accuracy and the suppression of vibration can be achieved...  
WO/2019/151907A1
The proposed electromechanical actuator comprises an electric motor, an inverted roller screw, and an output shaft, which are mounted in a housing. The electric motor comprises a hollow cylindrical rotor. The inverted roller screw compri...  
WO/2019/142536A1
Provided is a ball screw device of a so-called multiple-thread type which, despite having a sufficient load-bearing capacity, enables a decrease in size of a nut member. The ball screw device is provided with: a screw shaft (2) having N ...  
WO/2019/141323A1
Linear actuator comprising an electric motor (2) which through a transmission (3) drives a spindle unit, where the spindle unit comprises at least one spindle (4) with a spindle nut (5), where the spindle (4) is equipped with a bearing (...  
WO/2019/142378A1
Provided are structure for a nut and that for a feed screw mechanism, which enable bolt tightening torque to be kept low. A nut (12b) is provided with a cylindrical section (19a) and a slit (20a). The cylindrical section (19a) has a fema...  
WO/2019/137587A1
Linear actuator comprising a housing (1) with an electric motor (3), which through a transmission (8-11) drives a spindle unit comprising a spindle (7) with a spindle nut (14), an adjustment element (13), typically tubular. The actuator ...  
WO/2019/138757A1
A clip (22) made of spring steel is provided with a circular arc-shaped, first insertion section-urging section (66), a circular arc-shaped, second insertion section-urging section (67) which faces the first insertion section-urging sect...  
WO/2019/136507A1
The invention relates to a spindle drive for driving sliding doors or swinging-sliding doors, in particular for rail vehicles for passenger transport, said drive comprising a spindle and spindle nuts, wherein the spindle nuts are connect...  
WO/2019/137588A1
Linear actuator comprising a housing (1) consisting of two parts (la, lb), an electric motor (3) with a motor shaft, a transmission (8-11) in connection with the motor shaft, a spindle unit in connection with the transmission, where the ...  
WO/2019/134763A1
Mechanism for transforming rotating to reciprocating motion, or vice versa, comprising a first annular component (1) and a second annular component (3) coaxially located, the first beside the second, along a longitudinal axis (ΔΑ), whe...  
WO/2019/130385A1
[Problem] To provide a ball screw in which, while ensuring the accuracy with which an end deflector is fitted to a nut body, the ease with which the end deflector is assembled to the nut body is improved, and a decrease in yield is avoid...  
WO/2019/131676A1
A floating-caliper-type disc brake device (100) that comprises: first brake shoes (11) and second brake shoes (13) that are respectively held by brake shoe holding parts (39, 41) of a first caliper arm (19) and a second caliper arm that ...  
WO/2019/133960A1
A method of determining a homing position of a piston within a plunger assembly for a vehicle brake system at the beginning of an ignition cycle of the vehicle includes first providing a plunger assembly having a housing defining a bore ...  
WO/2019/126411A1
A drive transmission (200), having two counter-rotating cams (210A,210B) bearing-mounted within a housing (202) about a rotational axis. The counter-rotating cams have asymmetrical lobe profiles (218) which are operative to drive a corre...  

Matches 1 - 50 out of 17,610