Abstract: Provided is a motor driving device capable of supporting a large load and a hollow swivel actuator using same. The swivel actuator includes: an actuator housing having, at the center thereof, a hollow cylindrical portion protruding upwards; first and second motor driving units disposed to face the hollow cylindrical portion and having first and second worm gears integrally formed at the centers of first and second rotary shafts, the worm gears generating rotational outputs of first to fourth driving motors; a sun gear rotatably supported on the outer circumference of the hollow cylindrical portion and having a worm wheel integrally formed on the outer circumference thereof and gear-coupled to the first and second worm gears to allow deceleration; and a rotary table having the center part thereof rotatably supported on the outer circumference of the hollow cylindrical portion.

Abstract: In some aspects, a transmission device with a reverse braking function includes a housing seat having a seat hole; a driven shaft rotatably and at least partially supported in the seat hole; a brake block arranged on the driven shaft and rotatable together with the driven shaft, the brake block being movable relative to the driven shaft between a braking position where the brake block abuts against the housing seat and a release position where the brake block is separated from the housing seat; an elastic member coupled to the driven shaft and the brake block and configured to press the brake block towards the braking position; and a drive member coupled to the driven shaft.

Abstract: A pad (20) includes a pad base portion (55) disposed between two guide portions (49) of a holder (19), two pad engagement portions (53) provided on side surfaces on both sides of the pad base portion (55) in a third direction and in contact with two holder engagement portions (41), a pad recessed portion (76) provided on a side surface on the other side of the pad base portion (55) in a second direction over a first direction, and a pad elastic pressing portion (77) elastically pressing a part of the holder (19) toward the other side in the second direction to apply a preload to contact portions between the holder engagement portions (41) and the pad engagement portions (53).

Abstract: Provided is a motor drive mechanism and a hollow swivel actuator using same. The swivel actuator includes: an actuator housing having a hollow cylindrical part, protruding upward, in the center thereof; a motor drive mechanism provided with a worm gear, in the middle portion of a rotary shaft, which produces rotational outputs from first and second drive motors; a sun gear in which a spur gear is arranged on the upper side thereof, and a worm wheel is arranged on the lower side thereof, which engages with the worm gear and carries out a primary reduction; a plurality of pinion gears that engage with the spur gear of the sun gear to rotate; and a rotary table in which the plurality of pinion gears engage with the ring gears to carry out a secondary reduction.

Abstract: A robot according to the present embodiment comprises: a body including an accommodation body in which an accommodation space is formed; a door connected to the body by means of a hinge, and rotated around the first hinge so as to open/close the accommodation space; a driving source provided in the body; a power transmission member for transmitting the rotation power of the driving force between the driving source and the door; and a spring, which has one side connected to the body and has the other side connected to the door so as to compensate for the gravity of the door.

Abstract: A robot including a base, a first arm, a second arm rotatably connected to the first arm, a shaft on which an end effector is mounted, an inertia sensor that is installed in the second arm, a motor unit installed in the second arm and configured to drive the shaft, and a duct connected to the base and to the second arm, wherein the second arm includes a first member having a first connection section to which the duct is connected and a second member that has a second connection section to which a wiring or a piping connected to the end effector is connected and that is positioned further to the shaft side than the first connection section, and an arm base having an attachment section to which the second member is attached and the inertia sensor is disposed between the motor unit and the attachment section.

Abstract: A linear actuator for a flight control surface including at least one electric motor, a threaded shaft rotationally driven via the at least one motor about a threaded shaft pivot axis, first and second threaded nuts axially displaced via rotation of the threaded shaft, and an output shaft coupled to the threaded shaft, such that axial displacement of the first and second threaded nuts rotates the output shaft about an output shaft pivot axis that is substantially parallel with the threaded shaft pivot axis. Rotation of the threaded shaft in a first rotational direction via the at least one motor prompts movement of the first and second threaded nuts axially toward each other. Further, rotation of the threaded shaft in a second rotational direction opposite the first rotational direction via the at least one motor prompts movement of the first and second threaded nuts axially away from each other.

Abstract: An actuator including a fixed member, a mobile member, a hollow hole penetrating the actuator, an umbilical member passing through the inside of the hollow hole, a first fixing part having a first gripping part that grips one portion of the umbilical member, and a second fixing part having a second gripping part that grips another portion of the umbilical member. The first gripping part and the second gripping part are positioned inside of the hollow hole.

Abstract: An ultra-short electromechanical servo mechanism for mechanical fault self-recovery. Two sets of lead screw transmission components having the same lead parameters and bearing capacity are redundantly and coaxially arranged, and are powered by a single servo motor set. A lead screw roll limiting electromagnetic clutch and a nut roll limiting electromagnetic clutch are used for realizing fault isolation when a primary lead screw pair is stuck or jammed. Meanwhile, a standby bearing lead screw pair is started to synchronously complete mechanical fault self-recovery.

Abstract: In a shift device, when an occupant performs a touch operation on a P position, an R position, an N position, or a D position of a front housing with a finger, a shift range of a transmission is changed, and the front housing vibrates. Here, a plurality of shift positions are provided on the front housing. Therefore, the number of components can be reduced.

Abstract: The present application relates to the technical field of gyroscopes, and specifically to a high-precision resonator gyroscope and a manufacturing process thereof. The manufacturing process includes obtaining a resonator substrate from fused quartz material, and further includes the steps of model design, mass trimming, assembly and packaging, and testing and compensation. A shaft system dynamic balancing and polishing process is introduced into the manufacturing process, a windowing structure is arranged on the resonator substrate, and a balancing module is configured to release balancing flow to an inner surface of the resonator substrate, so that the dynamic balance is achieved, the polishing operation on the inner surface is completed through the polishing flow, and the effects of the trimming operation is more precisely predicted and evaluated. This method not only enhances trimming accuracy, but also reduces potential performance losses caused by over-trimming or under-trimming.

Abstract: Object To provide a robot and a method for manufacturing the robot with which downsizing of an arm is possible. Solution to Problem A robot 1 includes a lower arm portion 9, an elbow portion 11 rotatably coupled to the lower arm portion 9, a motor 23 housed in the lower arm portion 9 and including a motor shaft 31 rotating around a motor axial center AxM, a first gear 33 coupled to the motor shaft 31 and rotating around the motor axial center AxM, a second gear 37 rotating, in conjunction with the first gear 33, around a gear axial center AxG intersecting the motor axial center AxM, and a decelerator 27 configured to decelerate rotation of an input shaft 47 and transmit the decelerated rotation to an output shaft 51, the decelerator including the input shaft 47 configured to rotate, in conjunction with the second gear 37, around a decelerator axial center AxR coinciding with the gear axial center AxG, and the output shaft 51 coupled to the elbow portion 11.

Abstract: A rotary actuator assembly for moving a first relatively movable part relative to a second relatively movable part. The assembly includes: a rotary actuator having a plurality of annular earth members for attachment to one of the first and the second relatively movable parts and one or more annular output members for attachment to the other of the first and second relatively movable parts. The annulus of the earth members and the one or more output members are coaxial defining a lumen through the rotary actuator along an actuator axis A. The assembly also includes at least one rotary motor arranged to rotate the annular output member relative to the annular earth members, about the actuator axis A. The rotary actuator also includes a rod extending through the lumen and extending axially beyond the earth members.

Abstract: A magnetic torsion spring for a magnetically actuated mechanism, the spring having first and second links of the mechanism rotatably connected at a joint of the mechanism, the first link provided with a first magnet spaced from the joint and the second link provided with a second magnet spaced from the joint generating a spring effect, the spring defined by a torque curve with respect to spring deflection, the torque curve defined by spring type, dimensionless characteristic length ratio of the spring, and an amplitude constant, and the length ratio has a value between 0 and 1.

Abstract: A motion system includes a linear actuation system having a plurality of actuators of a first-type and at least a first kinematic link connected by an eighth joint to the plurality of first-type actuators; a first subsystem comprising a linear actuation system connected to a fourth kinematic link by a first revolute joint; a second subsystem comprising the first subsystem connected to a ground plate, the linear actuation system connected to the ground plate by a third joint and to a fifth kinematic link by a fourth joint. The second kinematic link is connected to the first subsystem; a wrist element is connectable to at least one tool element, wherein the wrist element is connected to the second subsystem, wherein the wrist element and the second subsystem generate a coordinated movement such that the tool element is movable relative to the ground plate.

Abstract: An actuator includes a housing, a motor, and a planetary reducer. The planetary reducer includes an inner ring gear, a sun gear, a planetary carrier, and a planetary gear; the inner ring gear is provided with a projecting support rib; an inner side surface of the projecting support rib is provided with a detachably fixed pressing member; the motor includes a stator and a rotor; the rotor is synchronously connected to the sun gear through a connection carrier; the connection carrier includes an outer carrier and an inner carrier; an outer periphery of the inner carrier is fixedly connected to an inner periphery of the outer carrier; and a bearing is disposed between the projecting support rib and the inner carrier; the bearing includes an outer ring clamped between a pressing member and the projecting support rib and an inner ring clamped between the outer carrier and inner carriers.

Abstract: Aspects of the disclosure relate to an articulated joint. The articulated joint includes a first rotatable joint member including a first socket cavity, and a second rotatable joint member including a second socket cavity. The articulated joint further includes an elongated member including a first end having a spherical shape and a second end having the spherical shape, the first end of the elongated member being moveably secured in the first socket cavity and the second end of the elongated member being moveably secured in the second socket cavity. The elongated member is configured to rotate the second rotatable joint member in response to a rotation of the first rotatable joint member.

Abstract: Disclosed is a lever device for a sliding console provided in a sliding console slidable along a fixed rail provided in a vehicle, and configured to operate an operation lever so that locking is released from the fixed rail, and the lever device provided in a sliding console is slidable along a fixed rail provided in a vehicle and configured to operate an operation lever to release locking of the fixed rail, includes: a housing fastened to a cover of the sliding console; a knob slidingly fastened to the housing; an operation rod configured to slide in correspondence with an operation of the knob and allowing the operation lever to be fastened to an end thereof to operate the operation lever; and a power transmission unit rotatably fastened to the housing and configured to rotate in correspondence with an operation of the knob to slide the operation rod.

Abstract: A vacuum cleaning system including a robotic unit including a main body, a traction arrangement defining a ground plane and an articulated arm. The articulated arm includes an upper arm section and a lower arm section, wherein the upper arm section is attached to the main body at a shoulder joint, and wherein the lower arm section is attached to the upper arm section at an elbow joint, and an end effector is defined at a distal end of the lower arm section. The upper arm section includes a pair of generally parallel arm members which are connected between the shoulder joint and the elbow joint and which are configured to define a yoke at the elbow joint at which the lower arm section is connected. The vacuum cleaning system equipped with a robotic arm that is able to bend and flex due to the pivotable upper and lower arm portions and has flexibility in how the robotic arm is driven and how suction is routed through the machine.

Abstract: A ball screw device 4 includes a screw shaft 9 having a screw groove 9a formed in an outer peripheral surface, a nut 8 having a screw groove 8a formed in an inner peripheral surface, and a large number of balls 10 arranged between the screw groove 9a of the screw shaft 9 and the screw groove 8a of the nut 8. A ratio ?r/L1 of a radial gap ?r, which is a maximum amount of radial movement of the nut 8 with respect to the screw shaft 9, to an axial span L1 between the large number of balls 10 is made larger than 1/2000.