Abstract: This locking device for an electromechanical actuator comprises a rod that is movable relative to a cylinder under the action of a motor actuating the rod, an assembly of at least one hook that can be moved between a locked position in which said hooks engage in an indentation and an unlocked position in which said set of hooks is released from the indentation, one of said set of hooks and the indentation being provided on the cylinder and the other on the rod. It comprises a sliding lock that can slide relative to said hooks and to the indentation between a holding position in which said hooks are held in the locked position a released position in which said hooks are released under the action of the motor actuating the rod.

Abstract: A linear actuator is described comprising an actuator housing, a driven element moveable at a front end of the linear actuator and a mounting (4) at a rear end of the linear actuator, wherein the mounting (4) comprises two arms (9,10) and an accommodation space (11) between the two arms (9,10). The object underlying the invention is to provide a linear actuator which can easily be mounted with its rear mounting. To this end, at least one arm (9,10) is provided with a lever (12,13) which is rotatable about an axis between an open position and a closed position, wherein in the closed position, an end portion (14,16) of the lever (12,13) at least partly closes an opening (18) between the two arms (9,10) and in the open position makes the opening (18) accessible.

Abstract: In a spring balancer apparatus, a flange includes a through-hole and a first and second flange member, the first flange member positioned radially inside a compression spring and removably held on another end of the shaft by a first nut member fastened to a first external thread on the shaft, the second flange member including a central hole and removably fixed to an outer periphery of the first flange member from a rear end plate side. The rear end plate of a casing includes an abutting part on which an outer periphery of the second flange member abuts, and an opening through which a surface of the second flange member is externally exposed at a position radially inside the abutting part and radially outside the central hole. At least one of a front end plate and the rear end plate is removably fixed to a cylindrical body of the casing.

Abstract: A robot arm includes a distal end unit having a gripping part and a first supporting part that supports the gripping part, a first drive unit that, with an axis along a direction in which the gripping part and the first supporting part are arranged as a first axis, pivots the gripping part about a first pivot axis along the first axis relative to the first supporting part, a second supporting part that supports the first supporting part, and a second drive unit that, with an axis orthogonal to the first axis as a second axis, pivots the distal end unit about a second pivot axis along the second axis relative to the second supporting part, wherein the first drive unit includes a piezoelectric motor, and the second pivot axis crosses the distal end unit.

Abstract: A robotic surgical instrument comprising: a shaft; an articulation at a distal end of the shaft configured to articulate an end effector, the articulation driveable by a pair of driving elements; and an instrument interface at a proximal end of the shaft, the instrument interface comprising: an instrument interface element configured to drive the pair of driving elements, the instrument interface element displaceable over a displacement range, the pair of driving elements fast with the instrument interface element such that a displacement of the instrument interface element is transferred to the pair of driving elements; a tensioning mechanism configured to tension the pair of driving elements; and an alignment mechanism configured to set the displacement position of the instrument interface element to a predetermined alignment position when the end effector has a predetermined configuration, the alignment mechanism being independent of the tensioning mechanism.

Abstract: A robot according to the present disclosure may include: a casing that has an internal space; a head unit that protrudes upward from the casing and has a first display; a display unit that is disposed ahead of the casing and has a second display; an ascending and descending motor that is disposed in the casing; an ascending and descending plate that ascends and descends between a first position and a second position higher than the first position by power of the ascending and descending motor; a contact bar that has an upper end connected to the head unit and a lower end being in contact with the ascending and descending plate; a fixing plate that is positioned between the ascending and descending plate and the head unit and has an opening through which the contact bar passes; and a link that connects the ascending and descending plate and the fixing plate to the display unit.

Abstract: A disclosure relates to a gear two-way clutching mechanism that is acted between the power output and the loading and mainly comprising a power source, a loading, a clutching unit and a deceleration unit. When the first output gear of the loading unit is driven by the power source to rotate to a predetermined position, the teeth missing portion is tangential with and corresponds to the buffer gear, or the wheel teeth portion meshes the buffer gear. The clutching unit connected between the power source, and the loading can perform clutch without working and enables the loading end to freely rotate, or the clutching unit can perform mesh working so that power of the power source is directly outputted to the loading end. With the deceleration unit connected to rear section and/or front section of the clutching unit, speed reduction ratio of the transmission chain connected between the power source and the loading can change to achieve effect of enhancing or changing output torque.

Abstract: A gear mechanism according to the invention includes a first shaft, a second shaft disposed at an angle with the first shaft, a first gear group including a plurality of first gears that transmit rotation of the first shaft to the second shaft; and a second gear group including a plurality of second gears that transmit, to an output side, rotation of the second shaft transmitted from the first shaft. A first second gear is situated closest to the second shaft among the plurality of second gears, a last second gear is situated closest to the output side among the plurality of second gears. A straight line that connects a rotation center of the first second gear and a rotation center of the last second gear form an angle with the first shaft when viewed in a direction along the second shaft.

Abstract: A robot including at least one joint shaft that includes: a first link member and a second link member that are coupled about a rotation axis; a reducer that has an input shaft part fixed to the first link member and an output shaft part fixed to the second link member; a motor that generates a driving force to be input to the reducer; and an input-side encoder that detects a rotation angle of a rotation shaft of the motor; and an output-side encoder that detects a rotation angle between the first link member and the second link member. The output-side encoder includes a scale member that has a pattern and a sensor that detects the pattern on the scale member. The scale member is fixed to an attachment surface, and the sensor is attached to a fixing member fixed to the first link member.

Abstract: A method, a delimiting device and an arrangement that includes an automatic movement machine that has at least one movable element, wherein the arrangement includes a delimiting device for delimiting a working region of the automatic movement machine, where the delimiting device includes at least one delimiting element via which it is possible to prevent the at least one element from overshooting at least one boundary of the working region, and the delimiting device also includes a movement apparatus that is configured to move the at least one delimiting element depending on at least one movement of the at least one movable element such that the at least one delimiting element prevents the at least one movable element from overshooting the at least one boundary.

Abstract: The present invention provides a lubrication device for coating a lubricant onto the outer circumferential surface of a bearing. A lubrication device comprises a housing and a lubrication member that is accommodated within the housing. A bearing crosses and passes through the lubrication member so that an outer circumferential surface of the bearing comes into contact with an inner surface of the lubrication member, and due to this configuration, it becomes possible for the lubricant to be coated onto the outer circumferential surface of the bearing.

Abstract: A module bearing and a power transmission device including the module bearing. A module bearing includes a module outer wheel supported by and in contact with a side wall of a gear to guide rotational or linear motion of the gear, a bearing rotor rotatably disposed radially inward of the module outer wheel, and a part-assembly type module inner wheel disposed radially inward of the module outer wheel with the bearing rotor interposed therebetween and connected to the bearing rotor, in which a plurality of separate parts are manufactured and assembled into the part-assembly type module inner wheel to apply a preload to the bearing rotor.

Abstract: A multi-axis actuator according to one embodiment of the present invention comprises: a rectangular parallelepiped housing having first and second output surfaces vertical to each other, and first and second facing surfaces, which are respectively arranged in parallel to the first and second output surfaces so as to be vertical to each other; a first output gear for rotating around a first rotary shaft vertical to the first output surface; a second output gear for rotating around a second rotary shaft vertical to the second output surface, wherein the second rotary shaft is positioned at a height different from that of the first rotary shaft; and first and second driving motors provided inside the housing so as to respectively provide rotating power to the first and second output gears.

Abstract: An industrial robot includes: a first-member and a second-member that are rotatable about a particular axis and that each have a hollow portion extending along the axis; a cylindrical member inserted into the hollow portions along the axis, and fixed to the first-member; and a wire disposed in a cylindrical gap between the cylindrical member, the first-member, and the second-member, the wire having a length that enables rotation between the first-member and the second-member and having one end fixed to the first-member and another end fixed to the second-member. The second-member includes a first-portion rotatably supported by the first-member, a second-portion that fixes the end of the wire, and a third portion serially connected between the second-portion and the first-portion, and the third portion has an inner circumferential surface that faces the gap and has been subjected to a friction reducing process.

Abstract: A rack supporting device for vehicle steering systems includes: a steering housing having a steering gear installed therein; a rack bar longitudinally inserted into the steering housing to engage with the steering gear; a tapered passage defined in an inner circumference of the steering housing, wherein the tapered passage is eccentric with an axial center of the steering housing; a rack bushing inserted between an inner circumference of the tapered passage and an outer circumference of the rack bar so that the rack bushing moves along the tapered passage and pushes the rack bar to the steering gear; and an elastic member mounted to one side of the tapered passage to provide an elastic pressing force for pushing the rack bar to the rack bushing.

Abstract: In a shift device, contact projections of a rotation cylinder make contact with side faces of recesses of an detent plate due to an urging force so as to urge a lever toward a shift position side. The contact projections make line contact with the side faces of the recesses. This enables the contact amount between the contact projections and the side faces of the recesses to be increased, enabling the contact pressure between the contact projections and the side faces of the recesses to be lowered.

Abstract: The present disclosure provides a waist joint of humanoid robot and a humanoid robot. The waist joint comprise: tile-shaped structural members, connection members, and substrates. The first end of the first connection member is slidably connected with the first end of the first tile-shaped structural member, and the first end of the second connection member is slidably connected with the second end of the first tile-shaped structural member; one side surface of the first substrate is slidably connected with the first end of the second tile-shaped structural member, and one side surface of the second substrate is slidably connected with the second end of the second tile-shaped structural member; the second end of the first connection member is connected with the third end of the second tile-shaped structural member, and the second end of the second connection member is connected with the fourth end of the second tile-shaped structural member.

Abstract: A ball screw assembly is disclosed herein. The assembly includes a nut having an outer raceway, and at least one notch. A spindle extends inside of the nut, and the spindle defines an inner raceway. A ball-spring assembly includes a plurality of balls supported between the outer raceway and the inner raceway, and at least one reset spring engaged against at least one ball of the plurality of balls. At least one end-stop component is engaged against a terminal end of the ball-spring assembly and positioned within the at least one notch. A radially inner side of the at least one end-stop component abuts the spindle. A method of forming the nut for a ball screw assembly is also disclosed herein.

Abstract: A flexplate for a motor vehicle drivetrain includes a carry plate configured for being connected to an engine crankshaft and a drive plate. The drive plate and the carry plate are separate components attached directly via contact. The drive plate is configured for transferring torque input into the carry plate to a downstream component. A method of constructing a flexplate for a motor vehicle drivetrain includes stamping a carry plate configured for being connected to an engine crankshaft; stamping a drive plate separate from the carry plate; and attaching the drive plate and the carry plate directly together via contact. The drive plate is configured for transferring torque input into the carry plate to a downstream component.

Abstract: An internal-pressure rise prevention structure of a speed reducer according to the invention includes a speed reduction mechanism that decelerates rotation of an input part and transmits the decelerated rotation to an output part, and a container having a communication hole formed in a wall surface that defines an internal space for accommodating the speed reduction mechanism and lubricant. The communication hole is situated vertically above the level of the lubricant.