Matches 1 - 50 out of 106 1 2 3 >


Match Document Document Title
US20120316475 ACTUATOR SYSTEM WITH A MOTOR ASSEMBLY AND LATCH FOR EXTENDING AND FLEXING A JOINT  
An actuator system for assisting extension of a biological joint is provided with a motor assembly, a rotary-to-linear mechanism, and an extension stop. The rotary-to-linear mechanism includes a...
US20130056316 ELECTRIC CABLE DRIVE DEVICE AND ELECTRIC BRAKE DEVICE  
An cable drive device (10) having a motor (M), a speed reducer (G), a nut member (26) connected to the speed reducer, a rod (32) screwed to the nut member (26) and guided by a guide member (34) so...
US20110271779 Linear Actuator  
A linear actuator includes a leadscrew and a drive rod threadingly engaged with the leadscrew to permit longitudinal movement of the drive rod along its axis as the leadscrew rotates. A sheath is...
US20150033885 Linear Actuator  
A linear actuator to provide the moving force for adjustable furniture, such as beds, chairs or tables. The linear actuator includes a drive assembly, rigid arm, and linkage assembly. The rigid...
US20120125399 SOLAR PANEL SYSTEM  
A solar panel assembly having a foundation tube, a rotary actuator mounted in the foundation tube for changing the azimuth of the panel and a linear actuator mounted to the foundation tube for...
US20090165581 Ball screw device  
In a ball screw device, a ball screw nut is rotated, causing a screw shaft to rectilinearly move in the axial direction, and the limit of the movement of the screw shaft is determined by a...
US20120137591 Driving Device  
A driving device has a housing tube that can be connected to a stationary base part, particularly to a vehicle body, or to a movable structural component part, particularly a vehicle hatch or...
US20110266849 APPARATUS FOR ADJUSTING THE HARDNESS AND GEOMETRY OF SEATING ELEMENTS OF A MOTOR VEHICLE SEAT  
An apparatus for adjusting the hardness and geometry of seating elements of a motor vehicle seat, in particular for adjusting the curvature and/or width of side bolsters of a seat bottom or a...
US20110041632 JAM-TOLERANT DUAL-REDUNDANT DIFFERENTIAL-TYPE ACTUATORS  
A jam-tolerant dual-redundant differential-summing actuator (20) includes a first driver (23) adapted to be rotated about a first axis (x1-x1) at a first surface speed; a second driver (26)...
US20110011191 Ball-screw drive with axial bearing  
A ball-screw drive, which has a spindle nut arranged on a threaded spindle and an axial bearing which is arranged so as to act on the threaded spindle and which has a bearing part arranged so as...
US20150274191 RACK FOR A RACK-AND-PINION STEERING SYSTEM OF A MOTOR VEHICLE  
A rack (7, 31) for a rack-and-pinion steering system of a motor vehicle, having a variable toothing (12, 13) formed from a plurality of teeth (14, 15) arranged along a rack axis for the engagement...
US20100319471 RACK ASSIST TYPE ELECTRIC POWER STEERING SYSTEM  
A rack assist type electric power steering system has a durable and simplified structure with reduced parts and has an improved productivity, so as to reduce the manufacturing cost thereof and...
US20100089029 Actuator  
An actuator comprises a screw shaft, a nut translatable along the screw shaft upon relative rotation occurring therebetween, and articulated connection means securing an output member to the nut,...
US20050252318 Apparatus for releasing a jam in a lead screw actuator  
Apparatus for releasing a jam between an inter-engaged lead screw (2) and nut (1) in a motor driven lead screw actuator under load includes a device for releasing the jam and a device for...
US20080011114 SPINDLE DRIVE, PARTICULARLY FOR ADJUSTING A MOVING PART IN A MOTOR VEHICLE  
In a spindle drive and a production process for such a spindle drive, in particular for adjusting a moving part in a motor vehicle, having a drive assembly, which drives a drive wheel supported on...
US20130186216 PART FOR ADJUSTING A SPORTS ARTICLE  
A rotatable adjustment part adapted to be affixed to a first component of a sports article. The adjustment part comprises a groove for receiving a portion of a retaining wall associated with the...
US20170175859 Telescopic Drive Arrangement with Oldham Coupling  
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...
US20140311263 WORM AND WHEEL POWER STEERING GEARBOX  
A power assist steering system utilizing a steering gearbox with a worm-screw to gear-segment transition from a steering-wheel shaft to a sector shaft and a worm-screw to worm-wheel transition...
US20060081079 Linear drive with emergency adjustment possibility  
The possibility of manipulating errors of an emergency or quick adjusting means shall be ruled out at least extensively in a linear drive. It is proposed for this purpose, for a linear drive with...
US20140326090 METHOD FOR PRODUCING A THREADED PART AS COMPOSITE COMPONENT, ROLLER SCREW DRIVE, LINEAR ACTUATOR, AND ELECTROMECHANICAL BRAKE BOOSTER HAVING SUCH A COMPOSITE COMPONENT  
An electromechanical brake booster includes a hollow spindle and a hollow screw. Courses of thread are produced by deformation from metal and extrusion-coating them together with tubular...
US20120199412 Ball Screw And Steering Device Equipped With The Same  
Described is a ball screw for a steering device of a motor vehicle, which ball screw has a threaded spindle (2) and a nut (3) having a nut body which runs on the threaded spindle (2) via balls (4)...
US20120048042 MOTOR  
A motor may include a rotation shaft having a male screw part on which a male screw is formed on at least an output side; a nut member which is formed with a female screw that is threadedly...
US20120132453 MULTI-FUNCTION POWER TOOL  
A multi-function power tool includes a motor, a control circuit, a variable speed gear box, a transmission unit, a bow member, and a module. The control circuit is connected to an input end of the...
US20130160583 Roller Screw  
Disclosed is a roller screw including a screw shaft and a nut cage with the screw shaft inserted therein, the roller screw being adapted to convert a rotary motion of either the screw shaft or the...
US20080210028 DRIVING MECHANISM AND CUTTING APPARATUS HAVING THE DRIVING MECHANISM  
A driving mechanism having a driving unit in which a drive source is connected to a feed screw shaft and a feed nut is in screw engagement with the feed screw shaft and connected to an active...
US20070137333 BALL SCREW FOR MACHINE TOOLS  
A ball screw for machine tools comprising a rotatably supported hollow threaded spindle, a drive unit for the threaded spindle, a nut provided on the threaded spindle so as to be longitudinally...
US20060213297 Drive system  
A drive system includes an electric motor having a rotor and a stator. A nut is rigidly connected to the rotor. A spindle is positioned to be non-rotating and has a drive connection with the nut....
US20110061481 POSITIONING DEVICE FOR POSITIONING A LOAD  
A positioning device (1) for positioning a load (2) having at least one shaft (4) extending longitudinally in the axial direction (3) and at least one nut (5) engaging the shaft (4) and having at...
US20100044542 FEEDER DEVICE  
The feeder device includes a screw attached to one of a fixed member and a movable member relatively movably supported by the fixed member, a support member attached to the other one of the fixed...
US20070137329 Method and apparatus for an inverted roller screw  
A bi-directional linear actuator in which the threads of the drive member and its follower are not exposed and where all force bearing components are concentrically connected to a load is...
US20060101931 Adjusting device for positioning a load  
An adjusting device for positioning a load comprises a spindle and a spindle nut which is arranged on the spindle. Either the spindle nut is supported in a gear housing so as to be rotatable and...
US20070144281 Linear actuator  
A shaft 30 in which all of a moving cylinder 36 and a deep groove ball bearing ball bearing 62 are assembled and a reduction gear shaft 73 are assembled to a first shell 12 and then, a...
US20160363141 Balanced rotary helical Actuator  
This invention relates to a novel helical dual-center engagement converting mechanism and its applications in fluid-powered actuation system, more particularly to a highly reliable, simple,...
US20150239493 BALL SCREW AND STEERING APPARATUS  
A ball screw includes: a nut; a screw shaft; and an end deflector that is attached to the nut, and has a guiding protrusion portion which protrudes toward a helical groove of the screw shaft, in...
US20140157918 Electrically Driven Linear Actuator  
An electric linear actuator has a screw shaft incapable of rotating with respect to the housing. The screw shaft provides axial movement. A steel sleeve is fit into a bag like housing hole of the...
US20130283947 LINEAR ACTUATOR  
A linear actuator includes an output rod having a flange portion on an outer peripheral surface thereof, an intermediate rod connected to a nut and having a flange portion on an outer peripheral...
US20110096808 Temperature detecting device for motion guide apparatus  
A motion guide device includes a ball nut attached onto a shaft and having helical grooves for receiving a number of ball bearing elements, and having a compartment form receiving a temperature...
US20100184543 CONTINUOUSLY VARIABLE TRANSMISSION, ACTUATOR AND INTERMEDIATE TERMINAL  
Since a threaded shaft 111 of a ball screw mechanism is disposed parallel to a pulley shaft 201 and an axial displacement of the threaded shaft 111 is converted into an axial displacement of a...
US20120174691 LINEAR ACTUATOR  
[Problem] To prevent an eccentric load from occurring in a nut member of a linear actuator and ensure a longer service life of the nut member.[Solution]The nut member is coupled to a driven member...
US20070210289 Powered drive for jack  
A motorized gearbox having a drive shaft is provided. The motorized gearbox provides input power to rotate the drive shaft. The drive shaft is inserted into a jack housing. Rotation of the drive...
US20060048592 Damping nut for screw-driven mechanism  
A vibration damper for screw-driven mechanical systems includes a nut body and one or more attached damping elements. The nut body includes internal threads for cooperating with a lead screw of a...
US20120011950 Actuator Arrangement  
An actuator arrangement comprises a carriage secured to a nut of a ball screw actuator, a support member, and bearing means whereby the carriage is supported for axial movement relative to the...
US20050268737 Ball screw device  
A ball screw device includes a screw shaft having a spiral screw groove on the inner peripheral surface and extending in the axial direction, a nut member having a plurality of screw grooves on...
US20060117880 Drive device comprising a roll body screw  
Drive device (1), with a rolling-body screw mechanism (11, 12), in whose housing divided into two housing parts (2, 3) transversely to the axis of rotation a hollow rotor (6) is mounted rotatably...
US20050268736 Mechanical actuator including a helical-cam nut  
The actuator includes a first tubular body, a nut positioned inside the tubular body and having at least a globally helical raceway, balls arranged between the raceway and the tubular body (20),...
US20160221138 FEED APPARATUS AND MACHINE TOOL  
A feed apparatus includes a base, a moving member that is movable in a predetermined axial direction with respect to the base, a first screw shaft provided on the base so as to be parallel to the...
US20150135867 SWING TYPE POWER DOOR LOCK MOTOR  
A swing type power door lock motor includes a housing having mounted therein a drive unit, which includes a motor, a transmission unit, which includes a screw shaft connected to the motor and a...
US20150040701 Single-Axis Actuator  
As compared to a single-axis actuator in which a ball returning passage of a ball screw mechanism is made of a circulating tube, the cross-sectional shape perpendicular to the longitudinal...
US20060213298 Electrically driven linear actuator  
An electrically driven linear actuator, which can suppress the generation of vibration or noise even if an alternating load or vibratory load is applied to the actuator, has an electric motor...
US20060207359 Compact linear/rotary actuator for offset actuation  
In a preferred embodiment, an apparatus, comprising: a rotary motor having an external shaft with an axial slot defined therethrough; a linear motor having a threaded external shaft with a...

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