Abstract: A linear drive comprising an electric motor driving a worm, a worm gear which meshes with the worm and which is connected non-rotatably to a spindle extending along a linear drive longitudinal axis or axis of rotation and which has a rear and a front end. The worm gear has a bearing seat for a rear bearing, with which the worm gear is mounted in a surrounding transmission housing. To simplify the manufacture of such a linear drive the invention proposes that the rear bearing is in the form of a fixed bearing, the spindle comprises a weldable material, a securing disk is arranged on the rear end of the spindle and the securing disk is connected to the spindle in bonded-material relationship.

Abstract: The invention concerns a spindle drive for a closing element (3) of a motor vehicle (4), wherein in a drive train (14) of the spindle drive (1), a drive unit (5) is provided together with a spindle-nut gear (11) located drivingly downstream of the drive unit (5), with geometric spindle axis (A) running in the axial direction (X), in order to generate linear drive movements of a spindle-side drive connection (12a) relative to a nut-side drive connection (12b) between a retracted position and an extended position of the spindle drive (1), wherein in the drive train (14) a nominal break point (17) is provided which separates the drive train (14) at a predetermined axial limit load acting on the spindle drive (1) via the drive connections (12a, 12b), in particular a tensile load in the direction of the extension position. It is proposed that the drive train (14) is separated via the nominal break point (17) between the drive unit (5) and the spindle-nut gear (11).

Abstract: An apparatus for inspecting defects of a secondary battery having a pair of pressing jigs which press an outer surface of an electrode or a pouch accommodating the electrode assembly in directions corresponding to each other and on which a plurality of protrusions protrude from pressing surfaces and a measurement unit measuring one or more of current, a voltage, and resistance of the electrode assembly when the electrode assembly is pressed by the plurality of protrusions of the pair of pressing jigs is provided.

Abstract: The disclosure relates to a drive device (V) for producing a translational motion of a movable tappet (8) by means of an electromagnetic rotating machine. The drive device includes an inner rotor (4) and an outer coaxial stator (5) and has a movement-thread pair integrated coaxially in the stator. The movement-thread pair comprising a lead screw (6), which is coupled to the rotor for conjoint rotation, and a threaded nut (7), which is linearly guided in a stator sleeve (2) in a rotationally fixed manner and is rigidly coupled to the tappet. The rotor is guided for rotation around the stator and a torque being transferred from the rotor to the lead screw by means of a thin-walled flange (10). A rotational fixation (11) of the threaded nut in the cavity of the stator sleeve is provided as a result of interlocking joining of the two.

Abstract: A ball screw device having a screw shaft rotating during use, a nut moving linearly during use, balls, a fitting cylinder fixed to the nut, a housing, and an anti-rotation member, a first member, which is one of the nut and the fitting cylinder, having a retaining concave portion engaging with a radially inner portion of the anti-rotation member and including a closed surface, an insertion hole of the housing having a guide concave groove engaging with a radially outer portion of the anti-rotation member, the radially inner portion held between the closed surface and an axially end surface a second member, which is the other of the nut and the fitting cylinder, the radially outer portion being able to slide in the guide concave groove.

Abstract: A linkage for opening and closing a lid through actuation of an electric motor 12 includes a base bracket 21 extending in a longitudinal direction of a vehicle, and a driving lever 14 having one end pivotally connected to the bracket 21 and the other end connected to the lid. The driving lever is driven via a pinion 22 by a sector gear 31 driven by the electric motor. The sector gear is attached to the bracket 21. The electric motor is fixed to a motor bracket 11 and attached via the motor bracket 11 to the bracket. Loosening a member supporting a lateral end portion of the motor bracket 11 and a bolt 41 fixing the bracket 11 to the bracket 21 allows the pinion and the sector gear to be axially disengaged from each other.

Abstract: A door opening and closing device for vehicles of the present invention includes: a motor drive mechanism; a first housing that accommodates the motor drive mechanism; a spindle drive mechanism connected to the motor drive mechanism; and a second housing that is arranged coaxially with the first housing and relatively moves with respect to the first housing by the spindle drive mechanism. The spindle drive mechanism includes: a spindle connected to the motor drive mechanism; a spindle nut screwed with the spindle; a push rod fixed so as not to rotate relative to the spindle nut and provided with a protrusion on its outer periphery; and a guide tube in which a guide groove guiding the protrusion of the push rod in an axial direction is formed.

Abstract: An electronic release system configured to unlock a hold open rod mechanism or latch mechanism includes an actuator interface configured with an input device and an actuator associated with the hold open rod mechanism or the latch mechanism. The input device configured to be actuated by personnel to initiate operation of an unlocking mechanism associated with the hold open rod mechanism or the latch mechanism. The electronic release system also includes a wiring assembly configured to connect the actuator interface to the actuator. The actuator interface configured to determine actuation of the input device and signal the actuator over the wiring assembly. The actuator being configured to operate the unlocking mechanism associated with the hold open rod mechanism or the latch mechanism.

Abstract: A spring system that includes an adjustable spring system that is operated by a motor.

Abstract: Provided is a power steering apparatus capable of reducing a maximumly generated stress on an output pulley. An output pulley of a power steering apparatus includes a fastening target portion around a screw insertion hole of a hub portion. When a boundary portion between the hub portion and a winding and hanging portion is defined to be a portion where a minor angle, among relative angles formed between a tangential line of an inner surface of the output pulley and a rotational axis of a nut in an axial cross section of the output pulley that passes through the rotational axis of the nut, gradually reduces from a nut-rotational-axis side toward a radially outer side to then reach 45 degrees, the fastening target portion is a region that is located on an inner side in a radial direction with respect to the boundary portion and overlaps a head portion of a screw in a radial direction of the screw.

Abstract: A linear actuator is provided. The linear actuator includes a rotor assembly including a rotor and a lead screw. The lead screw is rotationally coupled to the rotor for rotation therewith. The linear actuator further includes a stator assembly configured to selectively rotate the rotor in a desired direction, and a body assembly having a shaft and a shaft tube. The shaft is keyed to the shaft tube and prevented from rotating with the rotor. The shaft includes an inner bore configured to threadably receive the lead screw therein. Selective rotation is configured to displace the shaft between an extended position and a retracted position.

Abstract: A lifting spindle arrangement is disclosed for a retractable thruster unit of a marine vessel, the lifting spindle having a lower end and an upper end and being supported at its lower end to a lower support structure by a lower support assembly and at its upper end to an upper support structure by an upper support assembly. The lifting spindle is provided at its both ends with a locking member for such a connection to the support structures such that each end of the lifting spindle may freely move in an axial direction away from the opposite end of the lifting spindle.

Abstract: A compact translation stage having a frame, a motor, a carriage, a translation screw and at least one guide is described herein. The carriage is slidably coupled to the guide and engages the screw. The screw is rotatably coupled to the motor. The motor is embedded in an inner volume of the screw and the screw rotates upon actuation of the motor to translate the carriage relative to the frame.

Abstract: A linear actuator comprises a housing, inside which a spindle assembly, a push rod assembly driven by the spindle assembly, a limit switch for limiting stroke of the push rod assembly, and a motor for driving the spindle assembly are mounted. A connecting seat is disposed on the circuit board for centralizing connection terminals. The motor is electrically connected to the connection terminals. The housing is provided with a plug-in window aligned to the connecting seat. An electric plug of the linear actuator passes through the plug-in window and is plugged into the connecting seat. The electric plug and the housing are fastened together via a mounting component.

Abstract: A parking lock for a transmission of a motor vehicle may include a park gear rotatable about an axis of rotation, and an actuation device adjustable into a locking position and an unlocking position radially relative to the axis of rotation. In the unlocking position, rotating of the park gear may be possible, and in the locking position, rotating of the park gear may be prevented by way of positive locking. The actuation device may include a shifting drum and a locking lever, wherein the shifting drum may be rotatable about a guiding axis that is radial relative to the axis of rotation. The locking lever, by way of a guide track formed in the shifting drum, may interact with the guide track so that when the shifting drum is rotated, the locking lever may be guidable by the guide track radially relative to the axis of rotation and parallel to the guiding axis, and thereby the actuation device may be adjustable into the locking position and into the unlocking position.

Abstract: Provided are a lens driving device, a camera device, and an electronic apparatus capable of suppressing an inclination of a guiding shaft. The lens driving device includes: a base including a bottom surface portion; a guiding shaft provided perpendicularly to the bottom surface portion of the base and a lens support guided by the guiding shaft. The base includes a base main body, and a support plate, which is made of a metal, and is provided in the base main body. One end of the guiding shaft is fixed to the support plate.

Abstract: A steering column adjustable by motor for a motor vehicle, including a carrying unit, which is attachable to a vehicle body, and which holds an actuating unit, in which a steering spindle is rotatably mounted, and including an adjustment drive, which is connected to the carrying unit and to the actuating unit, and by means of which the actuating unit is adjustable relative to the carrying unit, wherein the adjustment drive includes a threaded spindle with an axis, said threaded spindle engaging in a spindle nut, a drive unit and a gear wheel that is driveable to rotate about the axis by the drive unit.

Abstract: An adjustable axial gap of the thread rod assembly has a brace, a thread rod rotationally deployed onto the brace, a thread bearing for gripping one end of the thread rod is screwed into the first positioning hole of the brace, and one side of the thread bearing withstands against the thrust washer. The user may rotate the thread rod by applying force passing through the thrust washer onto the thread rod and shifting an axial moving of the thread rod to adjust the axial gap of the thread rod assembly which attains the merits of simple installation and easy application.

Abstract: Disclosed is an actuator of an electronic brake system including: a motor having a stator and a rotor for generating a rotational force by an electrical signal, the rotor having an accommodating space therein; a power conversion unit disposed in the accommodating space, and including a spindle rotated by a rotational force of the rotor and a nut coupled to the spindle to be linearly moved by rotation of the spindle; a piston coupled to move with the nut; and a sleeve coupled to one end of the rotor by a bearing so that the rotor is relatively rotatable and having an inner space communicating with the accommodating space and accommodating the piston so as to be able to move forward and backward.

Abstract: A fault detection sensor-equipped actuator is provided which can easily detect a fault in at least one of a linear guide unit and a ball screw unit, using a shared sensor. In an actuator (10) including a linear guide unit (4) that guides linear movement of a movable body (1) and a ball screw unit (7) that drives the movable body (1) in an axial direction of a screw shaft (6), a sensor (18) configured to detect a fault in the actuator (10) is placed in a housing (11) where a coupling (12) that couples the screw shaft (6) and a motor (14) for rotating the screw shaft (6) is housed.

Abstract: Linear actuators and methods for assembling the same are disclosed. A linear actuator according to the disclosure may include a drive unit having a drive shaft and a spindle mechanism having a spindle, which can be driven by the drive shaft. A bearing unit may be provided, which may be configured to support a connecting shaft connecting the drive shaft to the spindle and has a bearing block matched to the internal cross section of the housing. The bearing unit may have a preloading device for preloading a rotary bearing inserted into the bearing block, and the spindle may be screwed to the connecting shaft via a centering portion and a screw fastening portion.

Abstract: The invention relates to a control unit (1, 12), comprising a control element (4, 15), particularly for a closing drive of a motor vehicle lock. Said control unit comprises a housing (2, 13), a drive unit, and a spindle gear unit having a spindle nut and a spindle (3, 14). Said spindle gear unit can be driven by the drive unit and the control element (4, 15) can be moved by means of the spindle (3, 14), the control element (4, 15) having a means for guiding the control element (4, 15) in the housing (2, 13) so that the control element (4, 15) can be prevented from rotating about an axis of movement.

Abstract: A linear electro-mechanical actuator (1) preferably for water cutting, makes it possible to significantly improve the working conditions of the actuator (1), so as to optimize its load capacity and increase the working life of the actuator (1), and makes it possible to reduce the risk of breakage or damage of the actuator (1) following loss of control of the movement aimed at producing the force applied by the actuator (1).

Abstract: An electric linear actuator is provided. The electric linear actuator may have a cylinder housing, an electric motor disposed inside the cylinder housing, a piston rod at least partially slidably disposed inside the cylinder housing, and a planetary gear arrangement disposed inside the cylinder housing and configured to connect the electric motor to the piston rod. The planetary gear arrangement may have a ring gear integrally connected to the piston rod. The electric motor, the planetary gear arrangement, and the piston rod may be disposed in series along a central axis of the cylinder housing.

Abstract: An improved mechanism for expanding or lifting a device in accordance with various embodiments of the present invention is a coaxial screw gear sleeve mechanism. In various embodiments, coaxial screw gear sleeve mechanisms includes a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing a device utilizing such a mechanism to expand or lift between a collapsed configuration and an expanded configuration.

Abstract: A linear actuator is disclosed having a housing and a plurality of components arranged in the housing. The actuator may include at least one conducting component, a group of mechanical, non-conducting components including components of a spindle mechanism, and at least one bearing arrangement designed to support components of the spindle mechanism in the housing. The at least one conducting component may be separated from the group of mechanical, non-conducting components by at least one seal in such a way that two mutually separate spaces sealed off from one another are formed within the housing.

Abstract: A linear actuator is configured 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 arm includes a pusher block with one or more attachment projections where the linkage assembly is attached.

Abstract: A spindle drive for an adjustment element of a motor vehicle is provided. The spindle drive has a drive unit and a spindle-spindle nut transmission arranged downstream of the drive unit in terms of drive for generating linear drive movements. The drive unit has a tubular drive unit housing and therein a drive motor. In some cases an intermediate transmission is arranged downstream of the drive motor in terms of drive. The drive unit and the spindle-spindle nut transmission are arranged one behind the other on the geometrical spindle axis, and a spindle drive housing is provided with a tubular inner housing and a tubular outer housing. The inner housing runs in a telescope-like manner in the outer housing. In some cases the outer housing of the spindle drive housing accommodates the drive unit with the drive unit housing and is connected to the drive unit.

Abstract: The present invention provides a positioning module for a head-up display device, including: a positioning motor which is operated by an operating signal from a control unit; a lead screw which is connected with the positioning motor and rotated by an operation of the positioning motor; a movable link which is in threaded engagement with the lead screw and moved in an axial direction of the lead screw by the rotation of the lead screw; and a connecting member which connects a mirror unit, which is provided to be rotatable about a rotating shaft, with the movable link, and rotates the mirror unit according to the movement of the movable link, in which connection portions between the connecting member and the movable link are in surface contact with each other, thereby improving durability and positioning performance.

Abstract: A linear actuator includes a housing and a cover tube that is supported relative to the housing. A nut engages the cover tube so as to prevent rotation of the nut relative to the cover tube. A lead screw rotatably engages the nut, wherein rotation of the lead screw causes the nut to travel along the lead screw.

Abstract: A linear electro-mechanical actuator, includes a containment structure (2), one or two pushers facing each other (7), a nut (5) rotatable about an axis (X) driven by a driving force, a screw shaft (6) inserted in the nut (5), connected to the pushers and interconnected with the nut (5) via a helical recirculating ball coupling (5a, 6a), and an anti-rotation mechanism (8) acting on the screw shaft (6) to prevent the screw shaft (6) from rotating about the axis (X). The anti-rotation mechanism (8) includes a pair of fixed guide bars (9), coupled in a sliding fashion with the screw shaft (6) and extending along a direction parallel to the axis (X) and spaced from the axis (X).

Abstract: A linear actuator includes a driver (1), a transmission rod assembly (2), a mechanical motion conversion assembly (3) linked between the driver (1) and the transmission rod assembly (2), and a housing (4) covered onto the driver (1), the transmission rod assembly (2), and the mechanical motion conversion assembly (3). The housing (4) includes a lower part (40) and an upper part (41), and the lower part (40) sequentially includes a first containing portion (400) for receiving and installing the driver (1), a second containing portion (401) for receiving and installing the mechanical motion conversion assembly (3), and a third containing portion (402) for receiving and installing the transmission rod assembly (2), and the upper part (41) is covered on top of the first and second containing portions (401, 402), and the first, second and third containing portions (401, 402, 403) are integrally formed as a whole.

Abstract: In the method for producing a spindle drive of an adjustment device of a motor vehicle seat, the adjustment device comprises a spindle and a nut unit. The nut unit comprises a nut made from plastic and a retainer in which the nut is retained. The nut has an internal thread which is in engagement with the spindle and has recesses in its outer jacket. The method comprises the following steps: the tube section is pushed over the nut during assembly, the nut is located within the tube section, the tube section, in the areas in which the recesses of the nut are located, is deformed into the area of the recesses and a portion of material of the tube section is located in the recesses.

Abstract: An electro-mechanical actuator with wide operating range load includes a shaft and a speed summed differential coupled to rotate the shaft. A prime mover is coupled to the speed summed differential and is configured to react to an output torque of the screw shaft. A torsional spring coupled to the speed summed differential by way of a rotary position sensor for detecting the rotation of the screw shaft thereby measuring the output torque of the shaft for control of the prime mover.

Abstract: A rolling resistant heat-treated steel, which has the following elements indicated in mass fractions in relation to the overall weight: 0.5% to 0.6% inclusive carbon, 0.0031% to 0.005% inclusive boron and 3.5 parts or more parts of titanium in relation to 1 part of nitrogen.

Abstract: The invention relates to a device (4) for actuating a control surface (2) of an aircraft, comprising: —a frame intended to be mounted fixed in relation to a structure of an aircraft, —a bell crank part (7) mobile in rotation in relation to the frame around an axis of rotation (X, X?) and adapted in order to be connected to a mechanical unit (1) for displacement of the control surface (2), —a slider (6) intended to be connected to a drive member (5), the slider (6) being mobile in translation in relation to the frame according to a direction of translation, parallel to the axis of rotation (X, X?) of the bell crank part (7), —first connecting means (61) between the slider (6) and the bell crank part (7) in order to convert a displacement in translation of the slider (6) generated by the drive member (5) into a displacement in rotation of the bell crank part (7), in order to actuate the mechanical unit (1) for displacement of the control surface (2), an input part (53, 16) able to be driven in rotation by the m

Abstract: A road vehicle provided with a cooling duct for the cooling of a brake, the cooling duct including an air intake arranged at the inlet of the cooling duct, a shutter, which is mobile, so as to move between a closing position, in which the shutter closes the air intake, and an opening position, in which the shutter leaves the air intake unobstructed, and an electric actuating device, which controls the movement of the shutter and, therefore, moves the shutter between the closing position and the opening position and is mechanically configured to be normally open and, therefore, in the absence of a power supply, to push the shutter towards the opening position.

Abstract: The present invention relates to landing gear (5) having at least one undercarriage (10) comprising a landing gear leg (11) carrying at least one wheel (12). The undercarriage (10) includes a retraction actuator (20) having an electric motor (23), blocking means (30) for blocking the actuator in the retraction position and for enabling the retraction actuator to be positioned in the “landing gear extended” position by gravity, first monitoring means (35) for monitoring the operation of the retraction actuator (20), first control means (65) for controlling the refraction actuator (20), and second control means (75) for controlling the blocking means (30).

Abstract: 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 transmission seat threaded onto the screw shaft, and a swing unit, which includes a sector gear meshed with the transmission seat and a swing arm connected to the sector gear. When the motor is started, the screw shaft is driven to move the transmission seat, causing the sector gear to bias the swing arm between a locking position and an unlocking position.

Abstract: At least a rotor fixing portion and a bearing fitting portion are combined to form a hollow rotary shaft. The rotor of a rotary motor portion is fixed on the rotor fixing portion. A thrust radial bearing is fitted on the outer periphery of the bearing fitting portion and a screw nut is fitted to the bearing fitting portion. The rotor fixing portion and the bearing fitting portion are coupled with screw member(s) which are inserted into the hollow rotary shaft from one axial end of the hollow rotary shaft and axially extend inside the bearing fitting portion and the rotor fixing portion. A flange portion of the screw nut is fixed on an abutment portion of the bearing fitting portion in abutment with an end surface of an inner race of the thrust radial bearing that is located on the one axial end side.

Abstract: An electromechanical actuator (EMA) is disclosed. The EMA may comprise an EMA housing having a distal stop that extends radially inward towards a longitudinal axis of the EMA housing, a hail nut extending axially within the EMA housing, and/or a ball screw extending axially within the ball nut, The ball nut may translate axially in a distal direction in response to a rotation by the ball screw, and/or the ball nut may be halted in the axially distal translation in response to contact with the distal stop. The distal stop may be coupled to the EMA. housing. The distal stop may comprise a continuous annular structure. The EMA may further comprise a seal located radially inward of a portion of the distal stop, which may be in contact with said portion and the ball nut and adapted to prevent debris from entering the EMA.

Abstract: A ball-screw assembly isolator is provided, and includes a housing; a ball-screw, a bearing assembly, a retaining member, a first compressible member and a second compressible member. The bearing assembly is located between the housing and the ball-screw. The bearing assembly includes an outer race. The retaining member is secured by the housing. The first compressible member is positioned between the housing and the outer race. The second compressible member is positioned between the outer race and the retaining member. The retaining member is configured to be preloaded to exert an axial force upon the first compressible member and the second compressible member.

Abstract: A driving device for a hatch in a vehicle with a first housing part connectable to a stationary base part or a movable structural component part, a second housing part connectable to the other, of the movable structural component part and the stationary base part, a spindle drive by which the first and second housing parts are movable axially relative to one another, a rotary drive that drives the spindle drive in rotation including a motor and a gear unit accommodated in a gear unit housing, and a braking device. The spindle drive includes a threaded spindle that has a first spindle portion and a braking spindle nut that is axially movable on the first spindle portion and a second spindle portion and a working spindle nut axially movable on the second spindle portion. The braking spindle nut cooperates with the braking device for applying a holding force to the spindle drive.

Abstract: An electromechanical actuator (EMA) is disclosed. The EMA may comprise an EMA housing, a ball nut extending axially within the EMA housing, a ball screw extending axially within the ball nut, and/or an actuator drive unit (ADU) housing extending axially within the ball screw, the ADU housing having a proximal stop that extends radially outward of the ADU housing. The ball nut may be configured to translate axially in a proximal direction in response to a rotation by the ball screw, and the ball nut may be configured to be halted in the axially proximal translation in response to contact with the proximal stop. The proximal stop may be coupled to the ADU housing. The proximal stop may comprise a continuous annular structure.

Abstract: A transverse adjustment mechanism for a bilateral half-spring type load-carrying head is installed in the casing of the load-carrying head of the lifting unit of a pit type unwheeling machine, fixedly connected with the casing, directly connected to an adjustment unit at the end of the load-carrying head, and installed on a lead screw of the adjustment unit. The transverse adjustment mechanism includes an adjusting nut, an adjusting nut guide, a guiding tube, and a guiding sleeve, a nut mounting plate, a flange plate, a compression spring and a sliding shaft. The invention is currently applied to the transverse adjustment of the no-loading heads and transverse fine adjustment of the load-carrying heads of a China Railway High-speed (CRH) train. The structure is reliable and practical, safe, convenient and energy-saving to use and satisfies the demand for the synchronous lifting operation of the entire CRH train of the compatible pit type unwheeling machine.

Abstract: Linear actuators that allow for improved self-locking properties without sacrificing axial response are provided. A linear actuator can have two screws extending from opposite ends of the actuator. The screws are joined by and threadably coupled to an elongate rotating nut. An elongate magnet is disposed around and coupled to the nut, and a stator including coils surrounds the magnet and nut. The magnet and nut are not axially fixed with respect to the stator. Rotation of the nut causes axial displacement of both screws, causing the screws to move closer together or farther apart. A pitch of the screw threads can be selected to enhance self-locking properties.

Abstract: The invention relates to a torque limiter for an actuator including a screw (101), a nut mounted on said screw, an actuation tube (105) rigidly connected to the nut and means (109, 133) for rotating said screw, said limiter being characterized in that it includes an abutment (115, 110) capable of: preventing the rotation of said tube (105) by friction simply by an axial force exerted by said screw (101) onto said nut during the movement thereof; and enabling the rotation of said tube (105) when said nut arrives at an axial abutment of said screw beyond a predetermined torque threshold defined by the axial force.

Abstract: An electric linear actuator has a housing with an electric motor mounted on the housing. A speed reduction mechanism and ball screw mechanism converts rotational motion to axial linear motion. A nut is rotationally but axially immovably supported by bearings on the housing. A screw shaft is coaxially integrated with the drive shaft. The shaft is inserted into the nut, via helical grooves and a large number of balls. The screw shaft is non-rotationally supported on the housing but is axially movable. The housing has a first housing and a second housing arranged with their end faces abutting against each other. Joining surfaces of the end faces of the first and second housings are sealed by a curing liquid curable material.

Abstract: A linear unit for applying an axially acting force, composed of a rotational/translational gear (2) which has a threaded spindle (18) and a threaded nut (19) which are arranged in a gear housing (22), and of an electric motor (1) with a rotor (12) and with a stator (11) which are arranged in an electric motor housing (10). In order to simplify the set-up of the linear unit, while at the same time reducing the packaging space required, according to the invention the threaded spindle (18) is mounted rotatably and axially fixedly inside the gear housing (22) and is connected to the rotor (12) outside the gear housing (22).

Abstract: The invention concerns a flexible transmission (1 and 1?) intended to be disposed between a motor member imposing a rotation movement and a receiving member receiving the rotation movement via the flexible transmission, the transmission comprising a flexible sheath (2) in which a flexible shaft (3) extends, bearings (4) with rolling elements being regularly interposed between the flexible sheath and the flexible shaft to guide the latter in rotation in the flexible sheath. The invention also concerns robotic arms provided with such a flexible transmission, and a cable actuator having a motor offset using such a flexible transmission.