A first gear pair includes a first pinion on an input shaft and a first ring gear on an intermediate shaft. A second gear pair includes a second pinion on the intermediate shaft and a second ring gear on an output shaft. A first case that stores the first gear pair is coupled to a base member in a rotatable manner around an input shaft rotational axis. A second case is coupled to the first case in a rotatable manner around an intermediate shaft rotational axis.

A first gear pair includes a first pinion on an input shaft and a first ring gear on an intermediate shaft. A second gear pair includes a second pinion on the intermediate shaft and a second ring gear on an output shaft. A first case that stores the first gear pair is coupled to a base member in a rotatable manner around an input shaft rotational axis. A second case is coupled to the first case in a rotatable manner around an intermediate shaft rotational axis.

A gearbox assembly for an electric power assisted steering apparatus comprising: a first pivoting means for the worm shaft main bearing which reacts the axial component of the worm shaft tooth load for a first direction of gearwheel torque but not for a second, opposing, direction of gearwheel torque and defines at least one first pivot point about which the main bearing pivots that is located on a pivot axis, a second pivoting means for the worm shaft main bearing, positioned distal from the first pivoting means, which reacts the axial component of the worm shaft tooth load for the second direction of gearwheel torque but not the first direction of gearwheel torque and defines at least one second pivot point about which the main bearing pivots that is located on a second pivot axis, the second pivot point being spaced apart from the first pivot point.

A gearbox assembly for an electric power assisted steering apparatus comprising: a first pivoting means for the worm shaft main bearing which reacts the axial component of the worm shaft tooth load for a first direction of gearwheel torque but not for a second, opposing, direction of gearwheel torque and defines at least one first pivot point about which the main bearing pivots that is located on a pivot axis, a second pivoting means for the worm shaft main bearing, positioned distal from the first pivoting means, which reacts the axial component of the worm shaft tooth load for the second direction of gearwheel torque but not the first direction of gearwheel torque and defines at least one second pivot point about which the main bearing pivots that is located on a second pivot axis, the second pivot point being spaced apart from the first pivot point.

Embodiments disclosed herein relates to a reducer of an electric power steering apparatus. The embodiments provide a reducer of an electric power steering apparatus that includes: a worm shaft having a first end connected to a motor shaft and a second end that is opposite the first end, in which a first worm shaft bearing and a second worm shaft bearing are coupled to the first end and the second end, respectively; a gear housing in which the first worm shaft bearing, the second worm shaft bearing, and the worm shaft are housed; and a moisture absorption compensation member which is supported on and coupled to an inner circumferential surface of the gear housing in a direction in which the worm shaft meshes with the worm wheel and supports the worm shaft in a direction opposite the direction in which the worm shaft meshes with the worm wheel.

Embodiments disclosed herein relates to a reducer of an electric power steering apparatus. The embodiments provide a reducer of an electric power steering apparatus that includes: a worm shaft having a first end connected to a motor shaft and a second end that is opposite the first end, in which a first worm shaft bearing and a second worm shaft bearing are coupled to the first end and the second end, respectively; a gear housing in which the first worm shaft bearing, the second worm shaft bearing, and the worm shaft are housed; and a moisture absorption compensation member which is supported on and coupled to an inner circumferential surface of the gear housing in a direction in which the worm shaft meshes with the worm wheel and supports the worm shaft in a direction opposite the direction in which the worm shaft meshes with the worm wheel.

The present invention relates to robots and discloses a seven-degrees-of-freedom humanoid robotic arm, including an upper arm component and a forearm component. One end of the upper arm component is provided with a shoulder pitching joint, a shoulder yawing joint and a shoulder rolling joint for connecting with a shoulder. One end of the forearm component is provided with an elbow pitching joint and an elbow rolling joint for connecting with the upper arm component, and the other end of the forearm component is provided with a wrist pitching joint and a wrist yawing joint for connecting with a robotic hand. The seven-degrees-of-freedom humanoid robotic arm of the present invention achieves a highly bionic design of a spherical joint of human shoulder, elbow and wrist joints.

The present invention relates to robots and discloses a seven-degrees-of-freedom humanoid robotic arm, including an upper arm component and a forearm component. One end of the upper arm component is provided with a shoulder pitching joint, a shoulder yawing joint and a shoulder rolling joint for connecting with a shoulder. One end of the forearm component is provided with an elbow pitching joint and an elbow rolling joint for connecting with the upper arm component, and the other end of the forearm component is provided with a wrist pitching joint and a wrist yawing joint for connecting with a robotic hand. The seven-degrees-of-freedom humanoid robotic arm of the present invention achieves a highly bionic design of a spherical joint of human shoulder, elbow and wrist joints.

Speed reduction gear comprising two intermediate transmission lines, in particular for a turbine engine, comprising an input line (12) and an output line that is driven by the input line via said intermediate transmission lines, said intermediate transmission lines being substantially parallel, characterized in that said reduction gear comprises means for distributing loads between said intermediate lines, said load distribution means comprising swiveling coupling means (30) for rotatably coupling one end of the input line, and oil-damping means (40, 50) for damping radial movements of an opposite end of the input line.

Speed reduction gear comprising two intermediate transmission lines, in particular for a turbine engine, comprising an input line (12) and an output line that is driven by the input line via said intermediate transmission lines, said intermediate transmission lines being substantially parallel, characterized in that said reduction gear comprises means for distributing loads between said intermediate lines, said load distribution means comprising swiveling coupling means (30) for rotatably coupling one end of the input line, and oil-damping means (40, 50) for damping radial movements of an opposite end of the input line.