Abstract: An electric toothbrush comprises a brush head, a motor for providing oscillating rotation, and a multi-directional movement mechanism connected to the brush head to offer a plurality of movements. The movement mechanism includes a first mechanism for converting the motor's rotation into an oscillating rotation, a second mechanism for an oscillating side-to-side movement, and a third mechanism for an oscillating back-and-forth movement. Additionally, a gear system is employed, featuring a main gear with arc teeth on its outer perimeter and a set of equally spaced driven gears. The main gear engages with the driven gears individually, each configured to provide one of the plurality of movements. A control system facilitates the selection of movements and on/off functionality, while a power system supplies necessary power. Encased within an ergonomic waterproof shell, the electric toothbrush ensures protection and comfortable handling.

Abstract: A drive train apparatus (1) adapted for driving a pan and tilt head, which in use is intended to support a payload (for example a video camera), the apparatus includes respective successive drive elements (2, 3, 4) so coupled as to communicate a rotational movement applied at one end of the apparatus (1) from an output of a rotational input device (8) to a rotational output (16) disposed at the other end of the apparatus (1), in a manner whereby the rotational velocity of the rotational movement is reduced across the drive elements (2, 3, 4) thereby converting the torque applied to the input of each drive element (2, 3, 4) into an increased torque at the output of each drive element (2, 3, 4); a first stage one of the drive elements including a belt drive.

Abstract: A scanner drive system is disclosed. The scanner drive system has a drive motor. The drive motor has a worm gear attached to the motor spindle. The worm gear has multiple leads. The worm gear is meshed with a helical gear. The helical gear is coupled to a drive train that moves a scanning module.

Abstract: A continuously variable speed-changing transmission mechanism of a sheet laminating apparatus includes a control module, a speed changing module, a speed reducing module and a hot press roller module. The continuously variable speed-changing transmission mechanism can laminate a sheet article at a stepless variable speed.

Abstract: A scanning module of an image scanner for scanning a document includes a base, a reflective mirror stand mounted on the base, a shaft rotatably mounted on the reflective mirror stand, a reflective mirror member fixed on the shaft and rotatable with the shaft, and a gear set pivotally coupled to the shaft for rotating and driving the shaft to adjust the reflective angle of the reflective mirror member.

Abstract: A torque limiter to be operatively coupled to an engine is secured to the outer periphery of a driving shaft through screwing-engagement. The driving shaft and the torque limiter are screw-engaged and fixed to each other so that the torque limiter is pushed or urged against a seating face formed at the outer periphery of the driving shaft. The seating face abuts against the torque limiter restricting the screwing-movement of the driving shaft. Rotation force is transmitted between the driving shaft and the torque limiter via the seating face. A cylindrical member is disposed between the torque limiter and the seating face of the driving shaft. The cylindrical member is press-fitted and fixed to the outer periphery of the driving shaft, so that the power transmission between the driving shaft and the torque limiter is also performed through the press-fit portion between the cylindrical member and the driving shaft.

Abstract: A linear drive assembly for moving a body associated with processing a substrate is disclosed. The linear drive assembly includes a first gear and a second gear, which is operatively engaged with the first gear. The linear drive assembly further includes a positioning member having a first portion and a second portion. The first portion is movably coupled to the second gear in a linear direction, and the second portion is fixed to a component associated with processing a substrate.