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Patent Searching and Data


Matches 551 - 600 out of 17,797

Document Document Title
WO/2016/131456A1
Disclosed is a planetary rolling contact gear unit (1) comprising a rotatably driven spindle shaft (2) mounted by means of a support bearing (9), a spindle nut (4) which can be axially moved by the spindle shaft (2) and is mounted in a r...  
WO/2016/132968A1
This invention comprises a ball screw unit including: a ball screw 32 that includes a screw shaft 29 and a ball nut 30; and a nut-side shaft 31 provided fixedly to the ball nut 30 and coaxially with the screw shaft 29. The center axis of...  
WO/2016/130729A1
A continuously variable transmission includes a radially inner race, having a first radially inner race structure and a second radially inner race structure spaced along an axis wherein at least one of the first radially inner race struc...  
WO/2016/060852A3
An apparatus including a rotating segment having a first radial surface, a non-rotating segment having a second radial surface, a housing disposed around the first and second radial surfaces, and one or more rolling elements disposed bet...  
WO/2016/125368A1
A rack housing (17) and a speed reducer housing (18) accommodate a ball-screw mechanism (30) and a speed reducer (40). Within the rack housing (17) and the speed reducer housing (18), a gap (S1a) is provided between the left end of a nut...  
WO/2016/125748A1
Provided is an electric actuator with which the ease of maintenance is enhanced and cost reduction is achieved by simplifying the structure thereof. In an electric linear actuator provided with a ball screw mechanism 8 that converts the ...  
WO/2016/125453A1
Provided are a circulation piece and a ball screw provided with said circulation piece, having improved operativeness attributable to the behavior of a rolling element in the outlet/inlet of the circulation piece. To achieve this, a circ...  
WO/2016/126366A2
The present disclosure relates to a system that uses linear actuators to generate a torque on a shaft. In an example implementation, a system may include a shaft and an attached cam. The cam includes an involute portion. The system also ...  
WO/2016/125825A1
Provided is an inexpensive, highly reliable bridge-type ball screw in which the step of a ball transfer part is eliminated and smoothed out to prevent abnormal sounds, and durability is improved. A method for manufacturing a bridge-type ...  
WO/2016/121781A1
Provided is a screw device with which it is possible to provide an allowance in the precision of a recess at the end surface of a nut. A nut 2 is provided with a communicating hole 7 that passes therethrough in the axial direction, and a...  
WO/2016/119784A1
A ball screw drive (1, 16) comprising a ball nut (4) mounted on a spindle (2) and mutually complementary tracks (3, 5) on the spindle (2) and on the ball nut (4), in which balls contained in a cage (6, 17, 24) and at least one spring ele...  
WO/2016/117179A1
A linear motion mechanism provided with a threaded shaft (30) in which a first threaded groove (30m) is formed, a nut (311) in which a second threaded groove (311m) is formed and into which the threaded shaft (30) is inserted, a load bal...  
WO/2016/116082A1
The invention relates to an actuating unit (14) having an actuating element (15), in particular to a closing drive for a motor vehicle lock, comprising a drive unit, a housing (18, 19), a spindle nut (16), and a spindle (15), wherein the...  
WO/2016/114022A1
A first member (81), having a first opening that opens to one side in the circumferential direction centered about the axial center of a rack shaft equivalent to the rotational axis of a nut, and a second member (82), having a second ope...  
WO/2016/114020A1
First and second load transition regions VL1 and VL2 are provided in first and second regions of a nut-side ball screw groove 42b, which are located within first and second predetermined ranges along the nut-side ball screw groove 42b fr...  
WO/2016/114327A1
Provided is the structure of a cam device in which a drive-side cam can be effectively prevented from rotating relative to a driven-side cam in a locked state. Tip-abutting parts (63) are provided to the outside-diameter portions of tip ...  
WO/2016/114366A1
The present invention achieves a structure of a steering device that can prevent forward impact to a support bracket even in a case where a steering wheel is strongly displaced to a forward end position in order to adjust the position of...  
WO/2016/114021A1
First and second load transition regions VL1 and VL2 are provided in first and second predetermined ranges of a nut-side ball screw groove 42b from the other-end openings of first and second connecting passages 50 and 60. The first and s...  
WO/2016/107885A1
The invention proposes a linear actuator for activating a vehicle brake, notably for a disc-brake calliper. This actuator comprises a brake piston which is translationally moved by a screw-nut mechanism driven by a reduction gearbox of a...  
WO/2016/102036A1
The invention relates to a spindle drive, comprising a housing (1), a spindle (2), in particular a threaded spindle, trapezoidal-thread spindle, recirculating ball screw, or planetary roller screw, and a spindle nut (11) operatively conn...  
WO/2016/104092A1
Provided is a screw feeding device in which the entire device can be made smaller even with a shock-absorbing mechanism incorporated between a rod member (3) and a nut member (2), wherein: the screw feeding device is provided with a scre...  
WO/2016/104676A1
Provided is a ball screw wherein the variation in the load distribution of the ball can be reduced and the service life of the ball screw can be increased. In this ball screw, one end 6 of the nut 2 on the flange 2-2 side is closer to th...  
WO/2016/097849A1
An operation nut (1) of a linear actuator comprises a threaded hole (2) for receiving a screw. The nut (1) comprises a plurality of elongate graphite elements (3) partly exposed in the threaded area whereby the graphite elements (3) beco...  
WO/2016/097589A1
The invention relates to a device for controlling the movement of flaps for a vehicle comprising an actuator comprising a motor (9) rotationally coupled with a shaft (8) having a first threaded portion (14) engaging with at least a first...  
WO/2016/098557A1
Provided are: a moisture detection system positioned in a manner such that a moisture detection element and a determination circuit are separated from one another, wherein it is possible to minimize device complication; and an electric p...  
WO/2016/092753A1
A control device for controlling a motor (15) so that a cam (17) is caused to rotate by means of the output from the motor, displacing a control member (12) that abuts an outer peripheral surface of the cam, and thereby switching an oper...  
WO/2016/092939A1
A valve device is provided with: a drive section (15) having an opening and closing section (13) capable of being switched between an open state in which operating fluid can flow through a passage (12) and a closed state in which the ope...  
WO/2016/091290A1
This planetary roller screw mechanism (2) comprises a screw shaft (4) provided with at least one external thread (T4), a nut (6) provided with at least three internal threads (T6) and at least three rollers (8) arranged, radially with re...  
WO/2016/088730A1
According to this elongating/contracting drive device, a rotation drive member which is rotated and driven by the drive force of a driving unit, a drive force transmitting member which is connected to a leading end of an inner cylinder, ...  
WO/2016/087891A1
A screw (20) assembly for an actuator (10) is described comprising: a screw (20); a nut (22) threaded on said screw (20), such that rotation of said screw (20) causes axial movement of said nut (22); a stop located at an end of said scre...  
WO/2016/088893A1
Provided is a low-cost ball screw device obtained by reducing the size and number of parts thereof. A ball screw device 1 is provided with: a ball screw 4 disposed at one end of a motor shaft 3; and rolling bearings 7, 8 for rotatably su...  
WO/2016/086932A1
The invention relates to a ball screw drive (1) comprising a recirculating ball nut (2) arranged on a spindle (3), and raceways (4) that complement one another and are formed on said spindle (3) and recirculating ball nut (2), balls (5) ...  
WO/2016/090088A1
A rack ball nut assembly for a vehicle steering gear has a ball nut, a ball return tube, and a tube retention clip. The ball nut has first and second recesses and the ball return tube has first and second tube portions. There is a snap f...  
WO/2016/088546A1
Provided is a pipe-type (including half-pipe-type) ball screw, wherein balls can be scooped out in the tangential direction of a load ball rolling groove of a nut or in a direction near to the tangential direction. Formed in the outer su...  
WO/2016/088330A1
This control device is provided with: a rotational angle detection unit (211) for detecting the rotational angle of a cam (17); a power supply unit (212) for supplying power to a motor (15) in order to perform a switching operation in wh...  
WO/2016/083692A1
The invention concerns a ball screw and nut mechanism comprising a screw (14) and a nut (12) with threads, the nut cooperating with the screw (14) via balls (28) that can circulate in a raceway (26) formed by the opposing threads (22, 24...  
WO/2016/084685A1
A work apparatus (1) is provided with a parallel link mechanism (9), an attitude control actuator (10), and an orthogonal biaxial direct-acting mechanism (8). The parallel link mechanism (9) links a distal end-side link hub (13) to a bas...  
WO/2016/015731A3
Linear actuator comprising a housing (1) with an electric motor (6), which through a transmission (12) drives a spindle (10) with a spindle nut (13). To the spindle nut (13) is secured a tubular adjustment element (3), which is guided in...  
WO/2016/085425A1
The invention relates to a motorized linear piston system comprising a motor (1), piston housing (2), action shaft (3), joint with movable head (4), fixed joint (5), gear transmission reducer mechanism (6), belt and pulley mechanism (7),...  
WO/2016/080478A1
An outer cylinder 7 is provided with a motor 13 in the interior. An inner cylinder 9 is provided inside the outer cylinder 7, has a sealed structure at the distal end, and moves relative to the outer cylinder 7 in the axial direction. Ro...  
WO/2016/080513A1
Provided are a gear with which vibration at the tooth surfaces may be damped to minimize the generation of abnormal noise and ensure smooth rotating motion of the gear during meshing of the gear, while also reducing weight; and an electr...  
WO/2016/080186A1
On the outer diameter surfaces of planetary rollers (49), circumferential grooves (52) for engaging with a helical projection (51) provided on the inner diameter surface of an outer ring member (21) are formed. By the rotation of a rotat...  
WO/2016/078692A1
A motor transmission and gearbox for downhole use, comprises, a first motor driving a first input shaft, a second motor driving a second input shaft, a gearbox comprising at least, a ring gear, a sun gear, and, a planetary gear and plane...  
WO/2016/080472A1
This work device (1) is provided with a parallel link mechanism (9), an attitude control actuator (10), and a direct acting mechanism (8). The parallel link mechanism (9) links a distal end-side link hub (13) to a basal end-side link hub...  
WO/2016/078687A1
The screw nut assembly comprises a screw (12) provided with an outer thread, a nut (16) surrounding and coaxial with said screw, said nut being provided with an inner thread, and at least one guide means (24) provided on the nut and prot...  
WO/2016/077389A1
A hand tool with a mechanical linear drive mechanism coupled to a linear activated working implement. The drive mechanism includes a roller screw that includes a torque tube connected to a roller screw's nut body. The roller screw includ...  
WO/2016/076849A1
Disclosed is an actuator capable of imparting a linear, rotary, or combined roto-linear force. In one embodiment, the actuator has a rotor (140) and a stator (100), each having helical grooves (144) with a thrust ball (160) occupying the...  
WO/2016/041555A3
The invention relates to a method for producing a spindle (40; 80) for a ball screw, comprising the following steps: - introducing, at least in sections, a thread profile (12; 52) into a flat material section (10; 50), - shaping the mate...  
WO/2016/074680A1
A linear actuator system comprising a linear actuator and at least one box (9) with an openable cover (30). The box (9) comprises a horizontal hinge pin (42) in each side as well as a track (44) in each side, which the respective hinge p...  
WO/2016/074679A1
A linear actuator system comprising a linear actuator having a housing (1) and an outer tube (5), which with a rear end is secured to a side of the housing (1) at a front end thereof. The outer tube (5) surrounds an electric motor driven...  

Matches 551 - 600 out of 17,797