A single drive positioning system includes a drive shaft, a motor, a first worm screw, and a second worm screw. The motor has a motor output connected to the drive shaft and operable to selectively rotate the drive shaft. The first worm screw is mounted on the drive shaft for rotation therewith. The second worm screw is mounted on the drive shaft for rotation therewith.

A high transmission ratio gearbox of ring shape for easy integration inside mechanisms with limited space and robotic rotating joints for moving robotic arms. The toroidal gearbox includes at least one dual function gear, a toroidal spiral face drive to mesh with the at least one dual function gear and a cylindrical gear to mesh with the at least one dual function gear.

The invention relates to a two-axis rotator for producing a rotation about two orthogonal spatial axes, and to a handling device comprising a two-axis rotator of this kind. The two-axis rotator for producing a rotation about two mutually orthogonal rotational axes comprises a main body, a first rotor and a second rotor, wherein the first rotor is mounted on or in the main body so as to be able to rotate about a first rotational axis, and the second rotor is mounted on or in the first rotor so as to be able to rotate about a second rotational axis, and wherein the first rotor has a first drive and the second rotor has a second drive, and the first drive and the second drive can be driven independently of one another.

Multi-point parallel synchronous drive device, which includes a drive mechanism and several stages of driven mechanisms drivingly connected. The drive mechanism comprises a first power output for rotatably connecting with a power output shaft, and a second power output disposed below the first power output and parallel to the first power output along a power output direction. The several stages of the driven mechanism are arranged at intervals in the power output direction. The second power output of the drive mechanism is drivingly connected with a power input of the adjacent driven mechanism along the power output direction, and the adjacent two-stage driven mechanisms are drivingly connected along the power output direction. The driven mechanism at any stage comprises a power output for rotatably connecting with the power output shaft. The device can be applied to the a solar tracking system, with the main shaft as the power output shaft.

An arm joint is provided with a first coupling part with a first axis and a second coupling part with a second axis. Further, the arm joint includes a third coupling part connected in a manner rotatable around a third axis with the first coupling part. The third axis includes an angle with the first axis in the range of 30-60 degrees, preferably of 45 degrees. The third coupling part is connected in a manner rotatable around a fourth axis with the second coupling part. The fourth axis includes an angle with the second axis in the range of 30-60 degrees, preferably of 45 degrees. The third and the fourth axis mutually include an angle in the range of 60-120 degrees, preferably of 90 degrees. A robot arm with a number, preferably three, of such arm joints is also disclosed.

The present invention relates to a power transmission device, which includes: a worm shaft; a Janggu (slim waist drum)-shaped worm which is provided on the worm shaft, and has a diameter-reduced part whose outer diameter is increased toward both ends from a center thereof in an axial direction of the worm shaft, wherein the diameter-reduced part has spiral worm teeth formed thereon; a first transmission shaft disposed in parallel to the worm shaft at an interval; and a first transmission gear which is provided on the first transmission shaft, and includes first gear teeth having tooth shapes conjugated with the worm teeth of the Janggu-shaped worm and are continuously formed in a spiral shape on an outer circumferential surface thereof, thus to rotate by threadedly engaging with the worm teeth of the Janggu-shaped worm.

A drive arrangement for a motor vehicle functional part includes: a housing, in which a drive motor, a gear mechanism and an adjustor are provided at least partially; a drive shaft configured to transfer the adjustor via the gear mechanism from a closed position into an open position and vice versa; and a wrap spring arrangement comprising two wrap spring members, which act in opposite directions. The wrap spring arrangement is arranged on a gear mechanism output side, in a region of the adjustor.

A circle drive for rotating a blade on a draft frame of a motor grader includes a circle gear mounting the blade, a worm wheel, a torque dividing arrangement, and a single input provided on a first shaft. The torque dividing arrangement includes a set of shafts positioned about the worm wheel, a torque dividing gear set, and a set of worm gears meshed with the worm wheel. The worm wheel is operatively coupled to drive the circle gear. The set of worm gears includes a first worm gear on a first shaft and a second worm gear on a second shaft. The single input is configured to provide a driving torque that drives the set of worm gears such that the set of worm gears divides the driving torque. The driving torque is capable of driving the worm wheel for driving the circle gear and rotating the blade.

The disclosed electromechanical brake booster for a vehicle brake system comprises a driving arrangement for driving at least one actuation device designed to actuate a brake cylinder. The driving arrangement includes at least one electric motor and a gear mechanism for coupling the electric motor to the at least one actuation device. The gear mechanism comprises at least one first spur gear and at least one second spur gear, the electric motor driving the first spur gear directly and the second gear via at least one intermediate gear.

A device configured to deploy a retractable landing gear having a main landing gear and a secondary landing gear is provided. The device includes an electrical motor in driving connection with a drive shaft connecting the secondary landing gear with the main landing gear. A retractable landing gear including the device and an aircraft having the landing gear are also provided.