An electric actuator is provided and includes: a motor unit having a motor shaft extending in an axial direction, a speed reducer connected to one side of the motor shaft in the axial direction, an output section having an output shaft to which rotation of the motor shaft is transmitted via the speed reducer, and a housing configured to accommodate the motor unit, the speed reducer and the output section. The output shaft extends in the axial direction of the motor shaft. The housing has a housing main body with a polygonal shape when seen in the axial direction. The motor shaft and the output shaft are disposed to be arranged along a diagonal line of the housing main body when seen in the axial direction. The output shaft is disposed on a corner portion of the housing main body when seen in the axial direction.

A self-locking mechanism for a gearing arrangement, a gearing arrangement, an actuator, and a lifting platform, which relate to the technical field of lifting tables. The self-locking mechanism includes a casing, a self-locking gear, and a brake member, the self-locking gear meshing with the gearing arrangement, the brake member being connected between the casing and the self-locking gear; in a case where the gearing arrangement pushes the self-locking gear forwardly, the brake member releases the self-locking gear, and in a case where the gearing arrangement pushes the self-locking gear reversely, the brake member brakes the self-locking gear.

A gear shift control system may include an output mechanism, first and second drive members and a drivetrain. The first drive member may be coupled to the output mechanism to drive the output mechanism and cause a transmission shift. The drivetrain includes a first input driven by the drive member during a first mode of operation and an output coupled to both the first input and the output mechanism to drive the output mechanism as commanded by the drive member. During a second mode of operation a second input is coupled to the output and a second drive member is coupled to the second input to drive the output mechanism through the second input and the output to cause a transmission gear shift. The second drive member may be laterally offset from the drivetrain and axially positioned within an axial height of the drivetrain.

A shifter for gear selection in a gearshift transmission for a vehicle is or can be connected to an actuating unit for signal transmission to initiate a gear selection by means of a gear selection signal transmitted to the shifter. The shifter has at least one mechanical interface for mechanically coupling the shifter to the gearshift transmission by means of at least one connecting element. The shifter is configured to exert a translational movement on the at least one mechanical interface for executing the gear selection by means of the at least one connecting element as a function of the gear selection signal.

In at least some implementations, a gear shift actuator assembly to cause gear changes in a vehicle transmission includes an electrically operated drive member having a casing and a drive shaft that rotates about an axis, a drivetrain driven by the drive member and having a plurality of gears arranged in a plurality of stages to provide a torque increase, and an output driven by the drivetrain for rotation to cause a gear change in the vehicle transmission. The drivetrain and drive member are received within a space that is less than 15% longer than the axial length of the drive member, and less than 15% greater in height than the height of the drive member where the height of the drive member is measured in a direction perpendicular to the length.

In at least some implementations, a gear shift actuator assembly to cause gear changes in a vehicle transmission, includes an electrically operated drive member, a drivetrain driven by the drive member and having a plurality of gears arranged in a plurality of stages to provide a torque increase, an output driven by the drivetrain for rotation to cause a gear change in the vehicle transmission; and a drive feature. The drive feature is coupled to the drivetrain to permit rotation of the drivetrain without activation of the electrically operated drive member, and at least one gear stage between the motor and the drive feature provides a torque increase and at least one gear stage between the drive feature and the output provides a torque increase. In at least some implementations, the drivetrain does not include a worm gear.

In at least some implementations, a gear shift actuator assembly to cause gear changes in a vehicle transmission includes an electrically operated drive member, a drivetrain driven by the drive member and having a plurality of gears arranged in a plurality of stages to provide a torque increase and a direction change within the drivetrain and an output driven by the drivetrain for rotation to cause a gear change in the vehicle transmission. In some implementations, the torque increase from the motor to the output is between 150:1 and 300:1.

In at least some implementations, a gear shift actuator assembly to cause gear changes in a vehicle transmission includes a drivetrain having a plurality of gears, a body that defines an output of the assembly, and a rotation sensor element coupled to the body. The body is driven by the drivetrain for rotation about an axis. The output has a coupling feature adapted to be connected to a transmission shift mechanism so that rotation of the output causes a transmission gear shift, and the coupling feature is located at an axial end of the body. The rotation sensor element is coupled to the body for rotation with the body, and the rotation sensor element is coupled to the body axially spaced from the coupling feature. In at least some implementations, the rotation sensor element includes a magnet.

The present teachings generally provide for an actuator assembly to move between a decoupled position, and a coupled position. The actuator assembly includes a shift assembly including a gear connected to the motor, an input member in communication with the gear configured to transition between a first position and a second position; an output member operatively connected to the input member and configured to move a distance defining a stroke length between a disengaged position and an engaged position; and a biasing member connecting the input member to the output member. The input member rotates from the first position to the second position relative to the output member, increasing a tension of the biasing member due to an interference causing a blocked condition. The biasing member rotates the output member in a releasing condition upon clearance of the interference such that the output member rotates through the stroke length.

The present disclosure relates to an electric motor with an integral gearbox, and the electric motor may include a stator provided with a first member disposed on an inner circumferential surface of an enclosure to generate an electromagnetic force, a rotor provided with a second member disposed on an outer circumferential surface to face an inner circumferential surface of the stator to generate an electromagnetic force together with the first member, a gear assembly disposed with a gear tooth on an inner circumferential surface of the rotor, and provided inside the rotor, and a control unit that controls the gear assembly, wherein the gear assembly includes one or more gear plates that rotate as the rotor rotates, a connecting gear disposed to be selectively coupled to any one of the one or more gear plates, and an output shaft that rotates together as the connecting gear rotates to transmit a rotational force to the outside, and the control unit controls the moving part according to a shift signal to allow the connection gear to be coupled to or decoupled from any one of the one or more gear plates.