Abstract: The spiral advancing and retreating operation device forms a tubular telescopic body by spirally wrapping a first belt member and a second belt member disposed inside the first belt member around a common axis line in an overlapping manner in a state in which the first belt member and the second belt member are displaced from each other in a direction of the axis line, in which the first belt member includes a first row of engagement protrusions and a second row of engagement protrusions, the second belt member includes a first row of engagement parts and a second row of engagement parts.

Abstract: A power take-off includes a housing that is adapted to be supported on a source of rotational energy, an input mechanism that is supported within the housing and adapted to be rotatably driven by the source of rotational energy, and an output mechanism that is supported within the housing and rotatably driven by the input mechanism. At least one of the input mechanism and the output mechanism includes a pair of mating gears. An eddy current damper is supported within the housing and configured to exert a drag torque on either or both of the mating gears during operation of the power take-off. The eddy current damper may provide a variable amount of such drag torque, a constant amount of such drag torque, or a combination of both.

Abstract: Disclosed herein are methods, systems, and components for the design of a flat belt based block and tackle design that is theoretically free of fleet angles. A mapping technique forms a set of planar positions for the centerlines of the free spans that provides a plurality of sheave geometries, which reside on a common axis and spans that are free of fleet angles at the sheave engagement interfaces. This permits the use of high-performing flat belts in high-reduction block and tackle topologies, with the principal benefits of an extended service life, high power transmission efficiency, more effective traction power transfer, and a compact machine design.

Abstract: A transfer-case attaching device includes a fixation mechanism. The fixation mechanism includes a connection bolt. The connection bolt includes a screw shaft portion, a large-diameter shaft portion, and a flange portion. The large-diameter shaft portion has a first contact surface at an end portion of the large-diameter shaft portion. The flange portion has a second contact surface at an end portion of the flange portion. A gap between the first contact surface and the second contact surface is set to a tightening-amount limited region, in which tightening of the connection bolt with respect to a transfer case is restricted to or below a predetermined tightening amount.

Abstract: A tool interface for coupling a tool to a robot. The tool interface has an abutment face for abutting a corresponding abutment face of the tool, and a coupling device for mechanically coupling the tool to the tool interface. A discharge device is provided for producing a discharge air flow in the region of the abutment face. The discharge device has a plurality of nozzle openings for discharging the discharge air flow, and the nozzle openings are supplied with compressed air by a common compressed air connection of the tool interface.

Abstract: The present disclosure discloses a multistage electric cylinder. The multistage electric cylinder includes a cylinder barrel, a linear motion component. The linear motion component is axially movable in the cylinder barrel and includes a first screw rod; a second screw rod which is sleeved on the first screw rod; a screw rod nut which is installed on the second screw rod; an immovable tube which is coaxially fitted on an outer side of the first screw rod and an outer side of screw rod nut; a first protective tube which is coaxially fitted on an outer side of the immovable tube and moves along an axial direction of the immovable tube; and a second protective tube which is coaxially fitted on an outer side of the first protective tube and moves along an axial direction of the first protective tube.

Abstract: A tendon transmission system with compound tendon sheath and tendon sheath constraint element is provided. The transmission system uses the tendon, tendon sheath and ligament tissue of human hands for reference to propose a compound tendon sheath structure composed of inner tendon sheath and outer tendon sheath, which can effectively reduce the friction between tendon and tendon sheath and prevent tendon lateral shear force from damaging tendon sheath. Type I tendon sheath constraint element, type II tendon sheath constraint element, type III tendon sheath constraint element, and type IV tendon sheath constraint element are proposed. The tendon transmission system can smoothly constrain the position and motion range of the tendon sheath and prevent it from protruding abnormally, can decouple the movement of each joint across the tendon sheath from each other, and can provide a certain curling buffer space for the tendon sheath, a certain compression and impact resistance protection.

Abstract: An arm module has a housing with a first connection side and a second connection side. The first connection side is embodied to be controllably rotatable about an axis of rotation relative to the second connection side. The first connection side has a rotatable first connection device and the second connection side has a second connection device fixed to the housing. A multifunctional rotation transfer system is provided for rotational transmission of data signals, electrical energy and fluid. A drive device is provided comprising a shaft assembly having an output shaft, which is connected to the rotatable first connection device of the first connection side in a torque-proof manner, wherein the shaft assembly forms a section of the multifunctional rotation transfer system.

Abstract: The present disclosure is related to an electric cylinder with a buffering device. The electric cylinder includes a cylinder barrel, a linear motion component and a buffering device. The linear motion component is axially movable in the cylinder barrel. A load end of the linear motion component is connected to a load, and a power end of the linear motion component is connected to a power source. The buffering device is provided close to at least one of the load end of the linear motion component or the power end of the linear motion component, so as to provide buffering for the at least one of the load end or the power end.

Abstract: The application discloses a connecting mechanism, a power mechanism, an operating am, and a slave operating device. The connecting mechanism includes a main body and a connecting unit. The main body includes a first mounting wall and a second mounting wall for abutting against the operating arm and the power mechanism respectively. The connecting unit is disposed on the main body. The connecting unit includes a first connecting coupler and a second connecting coupler. The first and second connecting couplers are configured to abut against a power connecting coupler and a driven connecting coupler respectively, thereby enabling the power mechanism to drive the operating arm via the connecting unit. At least one of the first connecting coupler and the power connecting coupler is movable along a first abutting direction, and at least one of the second connecting coupler and the driven connecting coupler is movable along a second abutting direction.

Abstract: A robot includes a first link having a first longitudinal axis operatively coupled to a second link having a second longitudinal axis such that rotation of the first link relative to the second link alternatively performs the following effects: elongation of the first link; pivoting of the first longitudinal axis relative to the second longitudinal axis; and rotation of the first longitudinal axis relative to the second longitudinal axis.

Abstract: The present invention relates to a robot including a hydraulic power unit comprising: a body having a hydraulic channel through which a fluid is movable, a hydraulic power unit having a plurality of pumps and discharging a fluid to the hydraulic channel by using rotational force of the plurality of pumps, and a control unit for controlling the rotation of the plurality of pumps, wherein the plurality of pumps comprises: a first pump rotating in a first rotational direction and discharging a fluid to the hydraulic channel by a rotational force in the first rotational direction, and a second pump rotating in a second rotational direction and discharging a fluid to the hydraulic channel by a rotational force in the second rotational direction, wherein the first rotational direction is different from the second rotational direction.

Abstract: A manufacturing system includes: a coordinate positioning machine having a structure moveable within a working volume of the machine, a drive arrangement for moving the structure around the working volume, and a positioning arrangement for determining the position of the structure within the working volume with a first accuracy; and a metrology arrangement to which the machine is removably couplable, such that when the machine is coupled to the metrology arrangement, with the structure being moved by the drive arrangement, the metrology arrangement is able to measure the position of the structure with a second accuracy that is higher than the first accuracy.

Abstract: The invention relates to a mechanical arm joint which comprises a hollow shaft and a brake assembly, a motor assembly, a harmonic reducer assembly, an output assembly, a housing assembly, and a measurement assembly which are disposed outside the hollow shaft, the measurement assembly includes a torque sensor, and the torque sensor is provided inside the housing assembly and fixed to the housing assembly, the torque sensor is fixed to the harmonic reducer assembly at the same time. The torque sensor is provided in the joint, so as to ensure that the torque sensor is not damaged by external impacts during assembling and maintaining of the joint and the mechanical arm.

Abstract: A wrist cover covers a wrist of a robot. The wrist includes a first wrist element, a second wrist element, and a third wrist element coupled in series and rotatable with respect to one another. The wrist cover includes: a rotating seal member that is fixed to the second wrist element, thereby sealing a ring-shaped gap between the second wrist element and the third wrist element while allowing relative rotation between the second wrist element and the third wrist element; and a flexible bag-shaped cover body that has a first opening arranged so that the first wrist element is passed therethrough, and a second opening arranged so that the third wrist element is passed therethrough. The cover body and the rotating seal member are attached with a space between a peripheral edge of the second opening and the rotating seal member being sealed over the entire periphery thereof.

Abstract: A robot integrated joint unit and a legged robot applying same are related to the technical field of robot joints. The robot integrated joint unit comprises a first electric motor and reducer assembly, a second electric motor assembly, a second reducer assembly, and a first output connecting rod. Two motors of two joints are disposed on a same side of the joints, thus preventing the need for electric motor power cables to run through the joints, effectively alleviating fatigue damage of the electric motor power cables, and extending the service life of the electric motor cables. The electric motor components and the joint connecting rod obviate the need to reserve dedicated cable through holes and a cable placement mechanism, thus allowing enhanced structural reliability; further increasing the degree of integration of a dual joint unit, reducing the axial size of the joint unit, and enhancing structural visual appeal.

Abstract: A differential mechanism includes: a rotating frame rotatably provided in a main body frame; an inner worm gear formed in a cylindrical shape, covering the outer periphery of the rotating frame, and rotatably provided coaxially with the rotating frame, and having a spiral tooth formed on the cylindrical inner side; and a worm wheel rotatably provided on the rotating frame in a direction orthogonal to an axis of the rotating frame and meshing with the inner worm gear.

Abstract: A dual-clutch gearbox which can switch output shafts of two gearboxes, includes a box body in which a rotating shaft configured to receive torque from a drive motor is provided. Two gears, which are both in slip fit on the rotating shaft and respectively in linkage with the output shaft of one gearbox, are coaxially sleeved on the rotating shaft. A motion bar is fitted to and provided on the rotating shaft, a linkage piece in coaxial linkage with the rotating shaft is fixed at one end of the motion bar, and a driver is in linkage with the other end of the motion bar, so that the motion bar can move in its own axial direction under the action of the driver and allow the linkage of the linkage piece with one of the two gears.

Abstract: In a strain wave gearing, both of a pulley for transmitting rotation in a direction orthogonal to a rotation central axis and an output shaft are arranged on an axial-direction first side relative to a cup-shaped externally toothed gear. The input shaft, which transmits input rotation from the pulley to the wave generator, functions as a support shaft for both the pulley and the wave generator and is supported at both ends by the first and second bearings. A mechanism for transmitting rotation from the pulley to the wave generator, and a mechanism for supporting the rotation-transmitting mechanism, can be made compact, and support strength can also be ensured.

Abstract: A surgical instrument may comprise a chassis, a shaft coupled to the chassis at the proximal end of the shaft, an end effector coupled to the shaft at the distal end of the shaft, a force transmission mechanism coupled to the chassis, and an actuation element connected between a lever arm of the force transmission mechanism and the end effector. The force transmission mechanism includes a worm drive, and the lever arm comprising a first end and a follower member at the first end of the lever arm, wherein the follower member is engaged with the worm drive and is configured to be driven by the worm drive. Rotational movement of the worm drive imparts translational movement to the actuation element via the lever arm, and the lever arm slides along a generally linear direction relative to the chassis to impart the translational movement to the actuation element.