Abstract: An anti-rotation safeguard of an axially moving element is provided with an anti-rotation safeguard, the anti-rotation safeguard being suited for use in a ball screw drive in an automated manual transmission. The ball screw has nut which rotates on balls on a spindle, at least one securing element protruding radially from the spindle, and at least one guide element with a longitudinal a groove which guides the securing element. During translation of the spindle, rotation of the spindle is prevented by the securing element in the guide element groove. The guide element is accommodated in a cutout of the ball screw drive enclosure and can rotate about its longitudinal axis so that force transfer from the securing element to the groove is over a large surface area to reduce wear of the groove and of the securing element.

Abstract: A surgical instrument including a flex circuit comprising a sensor system.

Abstract: An anti-rotation sleeve for an electric brake system having a shaft received in and movable relative to a passage of a housing includes a body extending along a centerline from a first end to a second end. An inner surface defines a passage for receiving the shaft and pockets extending radially from the passage configured to provide sliding interfaces with tabs on the shaft. Projections provided on an outer surface of the body and extending parallel to the centerline cooperate with the housing to prevent rotation of the sleeve relative to the housing. Each projection is aligned with a normal direction of one of the interfaces.

Abstract: An aircraft landing platform for a passenger carrying aircraft has a landing module that is moveable between a landing position and a gate position, the landing module has a turntable that orients a door of aircraft to facilitate disembarkment of the passenger(s).

Abstract: An electropneumatic impact mechanism for an electric hand-held power tool, in particular a hammer drill and/or chipping hammer, wherein the impact mechanism has a transmission housing, a guide tube arranged at least partially in the transmission housing, an exciter piston that is movable in the axial direction in the guide tube, a connecting rod coupled to the exciter piston, and an eccentric wheel which is coupled to the connecting rod on one side and is mounted so as to be rotatable with respect to the transmission housing on the other side, wherein the impact mechanism has a bearing body on which the eccentric wheel is mounted rotatably by means of a pair of plain bearings.

Abstract: Handheld surgical systems having an adjustable, ergonomic handheld controller and a series of interchangeable surgical instruments with dexterous, end-effectors for performing a surgical procedure, e.g., removing brain tumor tissue from confined spaces, and methods of use thereof are disclosed. The end-effector may be actuated in one or more degrees of freedom via a tendon routing system comprising a plurality of antagonistic pairs of tendons extending from the end-effector to a plurality of independently rotatable capstan shafts disposed within a housing of the interchangeable instrument and configured to be releasably and operatively coupled to one or more motors disposed within the handheld controller.

Abstract: A powered lift hand truck with a corresponding method of operation and control. The apparatus includes a powered lift hand truck configured to lift a load from a lowered to a raised position (and vice versa). The system uses the rotational speed to measure linear speed and enforce a consistent speed of the load. The system is programmed to lift/lower loads at the same speed, regardless of load overall weight. If, for example, the load is heavy, the system determines that the speed is below a predetermined threshold and increases the power so as to increase speed.

Abstract: In a method for connecting a spindle to a spindle holding element in order to produce a longitudinal adjustment device for a vehicle seat, a spindle that extends along a longitudinal axis is connected to an attachment portion of a spindle holding element in a materially bonded manner using a resistance welding method. In this way, a method for connecting a spindle to a spindle holding element in order to produce a longitudinal adjustment device for a vehicle seat is provided, this allowing a firm connection of a spindle to a guide rail via one or more spindle holding elements, with a production process that is easy to manage and to monitor.

Abstract: Electrical switching device are disclosed having a housing with internal component within the housing. The internal components comprise contacts configured to operate, to change the state of the switching device from a closed state, allowing current flow through the switching device to an open state which interrupts current flow through the switching device. A pyrotechnic feature is included that is configured to interact with the internal components to transition the switching device from the closed state to the open state when the pyrotechnic feature is activated. The pyrotechnic feature is configured to trigger in response to levitation between the contacts at elevated current signal flowing through the switching device.

Abstract: A clamp release mechanism is provided. The clamp includes a body, a shaft slideably coupled to the body, a fixed jaw, and a moveable jaw coupled to the shaft. A locking component actuates between a locked position and an unlocked position. When in the locked position, the locking component biases the shaft to remain stationary with respect to the body. The clamp includes a securing component pivotally coupled to the locking component, and a biasing element that biases the securing components towards the shaft.

Abstract: Pontoon forks are specifically designed for the marine industry to efficiently and safely lift and maneuver pontoon boats. The pontoon forks are engineered to lift tri-toons and pontoon boats of lengths up to and greater than twenty-eight feet. The forks can further accommodate weights of up to and greater than six-thousand pounds. Removable pockets included with the pontoon forks allow for the lifting and transport of pontoon boats of various sizes without having to have specialized equipment for each and every make and model of the pontoon boat. The pontoon forks are retrofit to fit specific forklifts already owned or easily acquired by marinas.

Abstract: A robotic surgical tool comprises a stage assembly and a core assembly removably mountable to the stage assembly. The stage assembly may comprise a lead screw and at least one spline extendable between first and second ends of the stage assembly, and a nut rotatably mounted to the lead screw to translate between the first and second ends upon rotation of the lead screw. The core assembly may comprise a drive housing that is movably mountable to the stage assembly to translate, with the nut, between the first and second ends of the stage assembly. The surgical tool may also comprise a shroud assembly having a primary shroud and a secondary shroud, the primary shroud at least partially enclosing the core assembly when installed on the stage assembly, and the secondary shroud being movable between a first position, where the secondary shroud occludes an opening in the primary shroud, and a second position, where the opening in the primary shroud is exposed.

Abstract: A machine for coupling a plunger rod to a syringe assembly may include a carriage including a cradle having a seat portion sized to receive a syringe assembly and an aperture portion disposed above the seat portion and sized to receive a plunger rod. An actuating device may be operatively coupled to the carriage and adapted to move the cradle from a first position to a second position to couple the plunger rod to the syringe assembly. The carriage may be selected from separate and interchangeable first and second carriages, wherein the first carriage includes a cradle adapted to receive a syringe assembly of a first size and the second carriage including a cradle sized to receive a syringe assembly of a second size that is different from the first size.

Abstract: A robotic surgical tool for a robotic instrument driver that includes a handle having a first end, at least one spline rotatably coupled to the handle and extending proximally from the first end, a carriage movably mounted to the at least one spline and including a first layer and a second layer operatively coupled to the first layer. At least one spline extends through a portion of at least one of the first and second layers and the carriage translates along the at least one spline. The robotic surgical tool also includes an elongate shaft extending from the carriage and penetrating the first end, the shaft having an end effector arranged at a distal end thereof and an activating mechanism coupled to one or both of the first and second layers and actuatable to operate a function of the end effector.

Abstract: A linear actuator system having an actuator housing, a motor assembly, a screw shaft, a thrust tube, and a nut assembly. The nut assembly is engaged with the screw shaft and directly coupled with the thrust tube. The nut assembly can define a mechanical fitting for direct physical engagement between the thrust tube and the nut assembly, absent additional load bearing components intervening therebetween. The nut assembly is configured to convert rotational motion of the rotor about the longitudinal axis to linear motion of the thrust tube along the longitudinal axis. A cooling loop can be at least partially embedded, potted or seated within the actuator housing, with a thermally conductive material disposed at least partially about the cooling loop to conduct heat from the actuator housing.

Abstract: The present disclosure provides an electric water diverter, which includes a controller, a brushless DC motor, a core and a T-shaped body. The controller is electrically connected to a fixed Hall PCB circuit board and the brushless DC motor in turn. The brushless DC motor has a rotating shaft detachably connected to the core via a connector, which is also embedded with a magnet cooperating with the Hall PCB circuit board. The Hall PCB circuit board obtains a relative position signal of the rotating shaft through Hall induction and feeds the relative position signal back to the controller. A user controls the brushless DC motor to perform phase rotation through the controller and drive the connector and the core to selectively rotate forward or backward relative to the T-shaped body. Thereby, stepless adjustment of water flow from water outlet is achieved.

Abstract: A nut assembly for use with lead screws is provided. The nut assembly includes a nut member and an adjustment arrangement that can independently adjust the biasing of flexible fingers of the nut member.

Abstract: A vehicle seat adjustment mechanism may include a gearbox, a first gear, a second gear, and a spindle screw. The first gear is received in the gearbox and is rotatable relative to the gearbox about a first axis. The second gear is received in the gearbox and is rotatable relative to the gearbox about a second axis that is perpendicular to the first axis. The first and second gears are meshingly engaged with each other. The spindle screw is meshingly engaged with the second gear and extends through the second gear along the second axis. The spindle screw may have trapezoidal threads.

Abstract: A motor stop mechanism for a motor including an output shaft includes a motor mounting surface to which the motor is attachable and a threaded drive shaft fixed to and rotatable with the motor output shaft. A trunnion threaded on the threaded drive shaft is displaceable between a retracted position and an extended position by forward and reverse rotation of the threaded drive shaft. A housing surrounds the threaded drive shaft and the trunnion, and a stop limit fixed to the housing defines the extended position of the trunnion. In use, when the trunnion reaches the stop limit, the motor is stopped.

Abstract: A drive device for a pivoting vehicle flap, includes a first housing part (3), a second housing part (4), wherein the first housing part (3) and the second housing part (4) are designed to be movable toward each other in the direction of the axial extension (x) of the drive device (1), a spindle rod (12) rotatably arranged on one of the first housing part (3) and the second housing part (4) and a spindle nut (13) arranged in a rotatably fixed manner on the other of the first housing part (3) and the second housing part (4), a braking device (19), comprising a first brake element, which is connected to the spindle rod (12) in a rotatably fixed manner, a second brake element, which is connected to one of the first housing part (3) and the second housing part (4) in a rotatably fixed manner, wherein the first brake element can interact with the second brake element in order to generate a brake force, and a magnet arrangement for generating a magnetic field.

Abstract: A surgical instrument includes a shell assembly and an adapter. The shell assembly includes a shell housing, a plurality of staples, a staple pusher, a staple actuator configured to engage the staple pusher, a knife member, and a knife carrier supporting the knife member. The adapter includes a staple band operatively coupled to an actuation mechanism for axial displacement, a knife band at least partially received within the staple band, and a cam ring rotatably supported about the knife band. The staple band is configured to releasably engage the staple actuator. The knife band is operatively coupled with an actuation mechanism for axial displacement. The cam ring is rotatable between an engaged position in which the knife carrier engages the cam ring for concomitant axial displacement with the knife band and a disengaged position in which the knife carrier is disengaged from the cam ring.

Abstract: A vehicle mechanism with a housing may have a spindle/nut assembly and a rotation lock, where in order to displace a spindle rod of the spindle/nut assembly in the longitudinal direction of the spindle rod, a rotational movement of a spindle nut of the spindle/nut assembly is blocked by the rotation lock. In order to support the spindle nut such that it cannot rotate, and/or to facilitate an assembly of the vehicle mechanism, and/or the rotation lock, the rotation lock may have at least one elastomer element for retaining the rotation lock on the housing.

Abstract: Surgical instruments and control systems therefor are disclosed. A surgical instrument can comprise: a power circuit comprising a power source and a switch, a microcontroller coupled to the power circuit, a handle comprising an attachment portion, and a control circuit in signal communication with the microcontroller. The attachment portion can comprise a first electrical contact in signal communication with the microcontroller. The control circuit can comprise a sensor configured to detect an attachment state of the attachment portion. The control circuit can communicate the detected attachment state to the microcontroller, and the microcontroller can ignore signals from the first electrical contact when the control circuit communicates a detached state. The attachment portion can comprise a second electrical contact coupled to a second power circuit, and the second power circuit can decouple the second electrical contact and the second power source when the sensor detects the detached state.

Abstract: A modular shaft assembly is disclosed. The modular shaft assembly includes one or more inputs configured to receive input motions from a surgical instrument system, such as a handle, for example. The shaft assembly further includes one or more on-board inputs configured to generate input motions. The input motions received and generated by the shaft assembly are transferrable to an end effector of the shaft assembly to perform various functions at the end effector. The end effector can include a staple cartridge and a firing member which is movable between a proximal position and a distal position to eject staples from the staple cartridge. The end effector can include a plurality of jaw members and the firing member can comprise camming members which are configured to position the jaw members relative to one another.

Abstract: A linear drive device includes an output shaft having a first spiral groove, a movable body engaged with the first spiral groove so as to move in an axial direction, a first fixed shaft extending along an axial line, and a second fixed shaft extending around the axial line. The movable body includes a moved member engaging with the first spiral groove, and a slider moving in the axial line direction integrally with a moved member. The slider is provided with guide holes in which the first fixed shaft penetrates, a penetration part in which the second fixed shaft penetrates with play in the direction in which the first and second fixed shafts are connected, and a first and second receiving part for receiving a moved member when the moved member was rotated to one side along the axial line and when the moved member rotated to the other side.

Abstract: A robot operating apparatus includes a force sensor mounted on the distal end part of an arm unit and a handle supporting unit mounted on the distal end part of the arm unit via the force sensor. The handle supporting unit supports two handles, and a handle structure including the two handles has two force points where forces are applied while being gripped with both hands. The force sensor detects a resultant force of forces acting on the two force points, and transmits the same to a robot control apparatus, so that the distal end part of the arm unit moves in accordance with a direction and a magnitude of the resultant force detected by the force sensor.

Abstract: A low dust linear module includes a rail unit, a slide seat unit, a dustproof strip and two magnetic members. The two magnetic members are disposed at the two slide seat end portions of the slide seat, the first magnetic attraction gap is defined between the magnetic attraction area and a corresponding one of the magnetic members, and the second magnetic attraction gap is defined between the magnetic attraction area and the slide seat cover. When the dustproof strip passes through and are magnetically attracted by the magnetic members, a gap will appear between the magnetic members and the slide seat and the slide seat cover, so that the magnetic members and the dustproof strip are kept in a gap without friction, so as to avoid the generation of dust due to friction, so that the linear module can operate normally and maintain the standard of the working environment.

Abstract: A surgical instrument comprising an end effector configured to perform a plurality of end effector functions is disclosed. The surgical instrument further comprises a drive shaft which is both rotatable and translatable to drive the end effector functions.

Abstract: Provided is a conveyance device capable of achieving high-speed conveyance of a workpiece through arm weight reduction and inertial moment reduction. The conveyance device 100 capable of rotating and linearly moving an arm 121 comprises: a rotary motion mechanism 101 which has a first rotary shaft 108 capable of rotating about a first axis 103; a rotation transmission mechanism 109 which is connected to the first rotary shaft 108 and is capable of rotating the arm 121 when the rotation transmission mechanism 109 is caused to rotate about a second axis 106 in response to rotation of the first rotary shaft 108; and a linear movement mechanism 104 which is capable of linearly moving the arm 121. The linear movement mechanism 104 is disposed on the inner side of the rotation transmission mechanism 109 in such a manner as not to rotate in response to rotation of the first rotary shaft 108.

Abstract: A surgical instrument includes a shell assembly and an adapter. The shell assembly includes a shell housing, a plurality of staples, a staple pusher configured to eject the plurality of staples from the shell housing, a staple actuator configured to engage the staple pusher, a knife member, and a knife carrier supporting the knife member. The adapter includes a staple band operatively coupled to an actuation mechanism for axial displacement, a knife band at least partially received within the staple band, and a cam ring rotatably supported about the knife band. The staple band is configured to releasably engage the staple actuator. The knife band is operatively coupled with an actuation mechanism for axial displacement. The cam ring is rotatable between an engaged position in which the knife carrier engages the cam ring for concomitant axial displacement with the knife band and a disengaged position in which the knife carrier is disengaged from the cam ring.

Abstract: An electromechanical actuator (“EMA”) may comprise a ball screw having at least one tab extending from an inner surface thereof and/or an actuator drive unit (“ADU”) housing that interfaces with the at least one tab. The bail screw may include three tabs extending from the inner surface thereof. An outer surface of the ball screw may be threaded to mate with a threaded portion of an inner surface of the ADU housing, and/or the ADU housing may interface with the at least one tab, and the ball screw may be rotated to translate a ball nut situated concentrically over ball screw axially. The ADU housing may include a gear train assembly having a carrier plate, wherein the carrier plate includes at least one receptacle.

Abstract: In one embodiment of the invention, a patient side-system is provided that includes a column with a rail and a counterbalance subsystem. The patient side-system may further include a braking subsystem. The counterbalance subsystem includes a spring assembly coupled at one end to the column with a spring member, and a housing movably coupled to the rail. The housing includes a drum to receive the spring member and a plurality of roller elements to guide a movement of the spring member winding or unwinding on the drum. If present, the braking subsystem includes a first pulley rotatably coupled to the column, a second pulley with a locking mechanism spaced apart from the first pulley and rotatably coupled to the column, and at least one brake cable wrapped around the first pulley and the second pulley with ends coupled to the housing. The locking mechanism can set a position of the housing along the column.

Abstract: A coating apparatus for coating the balloon portion of a balloon catheter is described. The coating apparatus includes a rotatable member in which the catheter portion of the balloon catheter is mounted and fixed, and which causes rotation of the balloon catheter. The apparatus also includes a support member in which the distal tip of the catheter is inserted and free to rotate; and a spray nozzle directing sprayed material on the balloon surface. The inventive configuration of the coating apparatus allows the balloon catheter to be rotated along its axis with insubstantial or no wobble, which significantly improves the quality of the coating applied to the surface of the balloon.

Abstract: The invention relates to a transportation system for transporting at least one drive train component (7a, 7b, 7c) of a wind turbine (1) comprising a tower (2) and a nacelle (3) arranged on the top of said tower, said transportation system comprising a displacement system comprising one or more transportation rails (8, 8a, 8b) being arranged to support said at least one drive train component during displacement thereof, the displacement system facilitating displacement of the drive train component substantially parallel to the rotor axis between an installation location for the drive train component and a second location (10) by means of a first drive arrangement of said displacement system, and a second drive arrangement (11) mounted on said nacelle and comprising at least one winch (12), said second drive arrangement being separate to said displacement system and facilitating transportation of said drive train component between said second location and a lower level when connected to the drive train componen

Abstract: An antenna mount is provided with a bracket with an azimuth slot, an azimuth pivot hole and a boss hole. An azimuth adjuster with an extension portion passes through a boss seated in the boss hole. An offset portion of the azimuth adjuster has an azimuth fastener aperture spaced apart from a longitudinal axis of the extension portion. An azimuth fastener passes through the base, the azimuth slot and the azimuth fastener aperture. An azimuth pivot fastener passes through the base and the azimuth pivot hole. The azimuth slot is provided as an arc segment with a center point at the azimuth pivot hole. Adjustment of a longitudinal position along the extension portion of an interconnection between the boss and the extension portion drives the azimuth fastener within the azimuth slot to pivot the base about the azimuth pivot hole with respect to the bracket.

Abstract: A ball screw with support devices includes a nut base having two sides equipped with the support devices for preventing the screw from deflection. Two runner structures are provided near two ends of the screw. The runner structure includes a driving wheel and a driven wheel having different diameters and concentrically installed. The nut base is connected to the driving wheel via an active connecting element for driving the driving wheel to rotate. The driven wheel moves with the driving wheel and is connected to the support devices via passive connecting elements so that the support devices and the nut displace synchronously. By controlling a diameter ratio between the driving and driven wheels, the nut and the support devices displace with proportional speeds, thereby allowing the support devices to always stay at the two sides of the nut as designed and provide reliable support.

Abstract: The invention concerns a displacement device comprising a transmission 2 driven by an electric motor 1, guide rails 5, a displacement slider 6, a transmission housing 8 and a closure cover 7, characterized in that an externally threaded nut (4) is arranged longitudinally slidably on a profile bar (3) between the transmission (2) and said externally threaded nut (4) and said externally threaded nut (4) is mounted rotatably in a displacement slider (6) in such a way that said externally threaded nut (4) is longitudinally displaced upon rotation by the transmission (2) which is driven by the drive motor (1) and the profile bar (3) in the thread profile segments of the guide rails (5) and is displaced along the guide rails (5) by way of the end run-on surfaces (9) of the displacement slider (6).

Abstract: An axial adjustment device includes: a main body; two slide seats disposed in the main body; a first and a second threaded rods disposed in the main body and respectively screwed in the two slide seats; a first transmission gear connected with the first threaded rod; a second transmission gear connected with the second threaded rod; and a fastening member. When the fastening member is switched to a fastening position, the two threaded rods are driven with each other via the two transmission gears. When the fastening member is switched to a releasing position, the two threaded rods can be only independently rotated. The axial adjustment device can control the two slide seats to independently or synchronously move.

Abstract: A linear slide is provided. The linear slide includes a guide rail, a carriage arrangement and a drive mechanism. The carriage arrangement includes a sidecar or nut arrangement for engagement with a screw of the drive mechanism. The nut arrangement is laterally offset from a carriage of the carriage arrangement.

Abstract: A feed screw mechanism includes a feed screw shaft connected to a drive source and formed with first screw threads on an outer circumferential surface thereof, and a displacement nut, which is screw-engaged with respect to the feed screw shaft through a plurality of balls. The displacement nut is supported with respect to a slider that makes up an electric actuator by a pair of pins. The pins are inserted and fixed in first pin holes formed in the slider, and distal end portions of the pins are inserted respectively into second pin holes formed in the displacement nut.

Abstract: A linear actuator having particular application for reconfigurable fixtures used to hold large area workpieces. The linear actuators include a thrust rod connected to a translatable nut member that is driven by a rotatable drive screw that has a longitudinal axis off-set from the longitudinal axis of the thrust rod that preferably is centrally disposed within the housing of the actuator. The off-set axis of the drive screw enables the drive screw per unit size to handle greater loads and run at higher speeds. Also, the use of a solid thrust rod enables the thrust rod per unit size to handle greater loads and be less expensive as opposed to being hollow when the drive screw is coaxial with the thrust rod. This arrangement also enables less material to be used to manufacture the linear actuator per unit size. The linear actuators may be used as an alternative to existing assemblies with central thrust rods.

Abstract: A linear guide including a guide rail, a carriage, a drive screw and a connection arrangement is provided. The guide rail defines a linear travel path. The carriage is mounted to the guide rail for motion along the linear travel path. The drive screw is operably mounted to the guide rail. The connection arrangement couples the drive screw to the carriage to convert rotary motion of the drive screw to linear actuation of the carriage along the linear travel path. The connection arrangement provides a single degree of linear freedom between the drive screw and the carriage in a direction that is generally perpendicular to the linear travel path. The single degree of linear freedom permits relative motion between the screw and the carriage to relieve internal binding between the relative components.

Abstract: A linear positioning system is miniaturized by using a low profile guide extrusion supporting a low profile carriage that can be moved along the guide by a drive screw. The guide includes coplanar mounting flanges, C-slots for receiving electric wires, and angled recesses to serve as ways for guiding the carriage. The carriage has an opposed pair of projections fitting the guide ways to allow the carriage to move along the guide, and the drive screw and carriage are arranged closely above the guide profile to contribute to dimensional compactness.

Abstract: A cylinder assembly includes a cylinder, a nut and screw assembly, a thrust tube that extends axially from the nut and out the cylinder, a drive assembly mounted to the cylinder for rotating the screw to effect axial translation of the nut relative to the screw, thereby causing the thrust tube to axially extend or retract relative to the cylinder, and an anti-rotate feature for restricting rotation of the nut relative to the cylinder. The anti-rotate feature may include a guide member coupled to the nut and including at least one key on one of the guide member or the cylinder and at least one corresponding slot on the other of the guide member or the cylinder that engages on the key. The guide member may be allowed limited movement relative to the nut and/or the cylinder thereby preventing binding of the nut relative to the cylinder.

Abstract: A screw actuated press unit for mounting parts with press fit includes a casing, an actuating screw rotationally journalled in the casing and coupled to a rotation motor, a nut assembly cooperating with the actuating screw, a thrust rod rigidly connected to the nut assembly and extending out of the casing for connection to a work piece, and a locking device effective to rotationally lock the nut assembly to the casing at rotation of the actuation screw, wherein the lock device includes at least three roller studs mounted on and radially extending from the nut assembly and arranged to guidingly cooperate with two parallel guide rails at the edges of an axially extending slot in the casing . The roller studs are spring biased in opposite directions in contact with the guide rails so as to eliminate rotational play between the nut assembly and the casing.

Abstract: The invention relates to an anti-rotation device for preventing the rotation of a driven element (4) about a longitudinal axis (Ox), said device comprising: a cross-piece (7) guided in a planar manner on a longitudinal plane parallel to the longitudinal axis of the screw by guiding means (8) that block the rotation of the guiding cross-piece (7) about the longitudinal axis, while allowing the rotation of the guiding cross-piece (7) about two axes perpendicular to the longitudinal axis and perpendicular to one another; and a coupling member (6) at one end of the driven element (4), connected to the guiding cross-piece (7) by linking means that permit a sliding connection (5), the axis (5) of which does not converge with the longitudinal axis. The invention also relates to a screw jack and a cable jack comprising such a device.

Abstract: Adapter assemblies are provided for selectively interconnecting a surgical end effector that is configured to perform at least a pair of functions and a surgical device that is configured to actuate the end effector, wherein the end effector includes a first axially translatable drive member and a second axially translatable drive member, and wherein the surgical device includes a first rotatable drive shaft and a second rotatable drive shaft.

Abstract: In an electric actuator (100), a fast releasing mechanism (30) includes a rotary base (31), a coupling ring (32), a sleeve (34), and a clutch device (36). The coupling ring (32) rotates with the rotary base (31). Locking slots (322) are disposed on the coupling ring (32). The rotary base (31) can rotate with respect to the sleeve (34). Chain slots (343) communicating with the locking slots (322) are disposed on the sleeve (34). The clutch device (36) is correspondingly sleeved around the sleeve (34). Raised ribs (361) slidably connected to the locking slots (322) and the chain slots (343) are disposed on the clutch device (36). The sleeve (34) can be selected to move together with or move separately with the rotary base (31) by means of the axial movement of the clutch device (36).

Abstract: A transmission mechanism includes a screw mandrel and a transmission assembly. The transmission assembly includes a first transmission member, a fixing member, a second transmission member, a first magnetic member, and a second magnetic member. The first transmission member is screwed with the screw mandrel. The fixing member is fixedly-connected to the first transmission member. The second transmission member is screwed with the screw mandrel and resisting against the fixing member to avoid rotating relative to the first transmission member. The first magnetic member is fixedly mounted on the fixing member. The second magnetic member is fixedly mounted on the first transmission member towards the first magnetic member to interact with the first magnetic member.

Abstract: A linear actuator includes a motor, a transmission mechanism including a housing defining an accommodation chamber, a screw rod inserted with its one end into the accommodation chamber, a worm gear threaded onto the screw rod and coupled to the motor, two axle bearings mounted at the worm gear at two opposite sides and a top cover covering the housing, and a linking mechanism fixedly mounted in the housing and including a tubular member defining a longitudinal straight passage for receiving the other end of the screw rod and two sliding slots at two opposite sides and a screw nut formed of a linking member that is threaded onto the screw rod and two mating connection members respectively slidably mounted in the sliding slots and connected to the linking member. Thus, the supported worktable can be moved along the full length of the screw rod.