Abstract: The disclosed subject matter relates to a polishing head for pressing a polishing tool against a substrate, such as a wafer. Further, the disclosed subject matter relates to a polishing apparatus for polishing a substrate with such a polishing head. A polishing head includes an annular elastic member configured to press a polishing tool against the substrate, and a pressing-tool body having a pressing surface configured to press the polishing tool against the substrate via the elastic member, wherein the pressing surface has a first fitting groove in which a first portion of the elastic member fits, the first portion (41) protrudes from the pressing surface, the elastic member is put on the pressing-tool body (43) with the elastic member elastically deformed, and the polishing head is configured to press the polishing tool against the substrate by the first portion.

Abstract: A mobile robot includes a spin mop, an encoder configured to obtain data from the spin mop and transmit the data to a controller, a sensing module configured to obtain data related to a moving distance or a moving speed, and a controller configured to calculate a moving distance or a rotation angle of the robot based on the encoder data and correct the calculated data using data obtained by the sensing module.

Abstract: A vacuum cleaner is described. The vacuum cleaner has a dirt inlet and a motor and fan for delivering suction to the dirt inlet. A cyclone unit separates particles from a suction flow. The cyclone unit has a vortex finder extending along a cyclone axis of rotation and an annular chamber formed around outside of the vortex finder. Air is delivered to the cyclone unit in a forward direction (i.e. in a direction from the dirt inlet to the cyclone unit). The cyclone axis of rotation is substantially parallel to the forward direction. An outlet from the vortex finder is at a backward end thereof such that the outlet is in an opposite direction to a forward component. A space beyond the vortex finder is a part of a dirt collection area, thus enabling a more effective collection of hairs and other debris.

Abstract: A part tree support apparatus can include a base defining an upper surface, the upper surface defining a plurality of openings; and a plurality of supports, each of the plurality of supports extending from the base and removably secured to the base with a fastener engaged with one of the plurality of openings, each of the plurality of supports defining a recess facing in a Z-axis direction.

Abstract: A barrel polishing apparatus according to an aspect includes a fixed tank and a rotary disk that define a polishing space. The fixed tank has a predetermined axis as a center axis. The fixed tank includes a cylindrical rigid body and a first lining covering an inner circumferential surface of the cylindrical rigid body. The rotary disk has a disk-shaped rigid body and a second lining covering a surface of the disk-shaped rigid body on the polishing space side, and is rotatably disposed in a state where a gap is formed between the first lining and the second lining. The disk-shaped rigid body has a convex portion protruding toward the polishing space along a predetermined axis direction. The length in the predetermined axis direction of the part overlapping the gap of the convex portion is one-third or more of the length in the predetermined axis direction of the gap.

Abstract: A tool includes an input portion, socket, arm, and sleeve. The input portion receives input torque about an axis. The socket is axially spaced apart from the input portion and configured to rotate a nut about the axis. The socket defines first and second apertures that extend through opposite ends of the socket into the socket cavity. A slot is open to the socket cavity and extends axially between the first and second apertures through a perimeter of the socket. The arm connects the input portion to the socket for common rotation. The arm does not extend completely about the axis. The sleeve includes a lower portion rotatable about the socket between a first position, in which the slot is open through a side of the tool, and a second position, in which the lower portion closes the slot to inhibit spreading of the socket.

Abstract: The embodiment of the present disclosure provides a cleaning system and a self-cleaning method for a cleaning device. The cleaning system includes a cleaning device and a base station, wherein when docked with the cleaning device, the base station is used to control the cleaning device for self-cleaning and charging a rechargeable battery; a trigger control part, used to activate a self-cleaning mode; and a control module configured to: activate the self-cleaning mode and control a battery charging circuit to fail after receiving a trigger signal; in response to monitoring a first predetermined state, controlling the battery charging circuit to be effective to charge the rechargeable battery; in response to monitoring a second predetermined state, control the battery charging circuit to fail, and continue to execute the self-cleaning mode to clean the cleaning part, then exit the self-cleaning mode until a self-cleaning completion condition is met.

Abstract: A vacuum cleaner nozzle (N) has a steering hinge arrangement (H1, H2) between a body (B) of the vacuum cleaner nozzle (N) and a connector (C) that is connectable to a unit having a handle, wherein the steering hinge arrangement (H1, H2) comprises first (H1) and second (H2) steering hinges, the first steering hinge (H1) being operational until a first steering angle, and the second steering hinge (H2) being operational from the first steering angle, a transmission ratio of the second steering hinge (H2) exceeding a transmission ratio of the first steering hinge (H1). As a result, a transmission ratio of the steering hinge arrangement (H1, H2) increases with an increasing steering angle also when the unit is substantially flat. The first steering angle may be determined by edges (E) on the first steering hinge (H1) interacting with a protrusion (P) on the second steering hinge (H2).

Abstract: An autonomous cleaning robot includes a drive configured to move the robot across a floor surface, a brush proximate a lateral side of the robot, and a motor configured to rotate the brush about an axis of rotation. The brush includes a hub configured to engage the motor of the robot and arms each extending outwardly from the hub away from the axis of rotation and each being angled relative to a plane normal to the axis of rotation of the brush. Each of the arms include a first portion extending outwardly from the hub away from the axis of rotation and a second portion extending outwardly from the first portion away from the axis of rotation. An angle between the first portion of each of the arms and the plane is larger than an angle between the second portion of the each of the arms and the plane.

Abstract: A four-direction carpet shampooer is disclosed. Example embodiments include: a first brush configured to rotate on a first axis; a second brush configured to rotate on a second axis, the second axis being different from the first axis; a direction of travel sensor to detect the shampooer direction of travel; and a rotation changing actuator configured to reverse the rotation of the first brush on the first axis and to reverse the rotation of the second brush on the second axis when the direction of travel sensor indicates the shampooer direction of travel has changed. Example embodiments also include a shampooer cleaning station comprising: a first brush configured to rotate on a first axis; a second brush configured to rotate on a second axis, the second axis being different from the first axis; and a hair grinding system including protrusions configured to remove hair from a brush roll of a carpet shampooer, and a grinder to grind up the hair and dispose the ground-up hair into a waste water reservoir.

Abstract: Embodiments of the present invention comprise a powered toothbrush comprising a bristle head, an outer gear, and a plurality of bristles. Both the bristle head and the outer gear may comprise a distal end, a proximal end, and a center. The distal end of the bristle head may mate with the proximal end of the outer gear. The outer gear may rotate about a first axis of rotation. The mating between the bristle head and the outer gear may cause the bristle head to orbit the first axis of rotation via one or more bristle paths while simultaneously completing one or more rotary movements about a second axis of rotation, which may move along the bristle paths with the bristle head.

Abstract: A robotic device that can include an end effector configured to manipulate one or more tools that drives one or more consumable abrasive products to abrade a substrate along several different surface dimensions, wherein the end effector comprises: three linear actuators each configured to move orthogonal relative to one another and at least one tool mount coupled to one of the three linear actuators and coupled to the tool.

Abstract: Debris signature-based robotic cleaning device navigation includes operating the robotic cleaning device in a first mode as part of a vacuum cycle, the device including suction ports configurable for different suction power levels and each port having a suction path along which debris entering through the suction port is collected by the device. In the first operating mode the suction ports are operated at a first suction power level. The navigation also includes changing operation of the device to a second mode and in which the suction ports are operated at a greater suction power, measuring a respective amount of debris collected through each suction port, and selecting a direction in which to navigate the robotic cleaning device based on the debris measurements.

Abstract: An electric toothbrush head, including: a housing, wherein the housing is provided with a mounting cavity and a mounting hole communicated with the mounting cavity; a transmission assembly, wherein the transmission assembly is arranged in the mounting cavity and comprises a first transmission rod, a second transmission rod and a third transmission rod, one end of the first transmission rod, one end of the second transmission rod and one end of the third transmission rod are rotatably connected through a rotating shaft, and the other end of the third transmission rod is hinged in the mounting cavity; and a cleaning head, wherein the cleaning head is rotatably mounted in the mounting cavity from the mounting hole, a bottom of the cleaning head is eccentrically provided with a first rotating groove, and another end of the second transmission rod is arranged in the first rotating groove.

Abstract: A surface cleaning apparatus adapted for wet cleaning includes a heated fluid delivery system that dispenses heated liquid and steam vapor. The heated fluid delivery system can include a heated liquid outlet and a steam vapor outlet. The apparatus can further include a liquid delivery system, and/or a recovery system.

Abstract: A multi-layer roller stabilizing structure of a stone cutting machine, comprising: a base, a water storage basin, a slider assembly, a workbench and a bench rack. The water storage basin is disposed on the base. The slider assembly includes a roller rack and plural upper sliders and lower sliders. Two sides of the roller rack are provided with an upper roller, a middle and a lower rollers respectively. The upper and the lower sliders are respectively disposed between the upper, the middle and the lower rollers. The bench rack is disposed on the upper sliders, the lower sliders are disposed on the base. The workbench and the bench rack are linked to move with the upper sliders. The upper and the lower sliders thereby enabling offseting from top-to-bottom. The roller rack is displaced by linkage, and continuously stabilizes the workbench and extends a distance of displacement for the workbench.

Abstract: A cleaner includes: a suction unit; a suction motor that generates suction force for sucking air through the suction unit and includes an impeller; a dust separation unit that includes one or more cyclone units generating cyclonic flow to separate dust from air flowing inside through the suction unit; a dust container that stores dust separated by the dust separation unit and is disposed under the suction motor; a battery disposed behind the dust container to supply power to the suction motor; and a handle disposed behind the suction motor, wherein a rotational axis of the impeller and an axis of the cyclonic flow vertically extend and an extension line from the rotational axis of the impeller passes through the one or more cyclone units.

Abstract: The present disclosure provides a magnetic grinding device and a magnetic grinding control method, and relates to the field of machining. According to the device, a magnet platform of a grinding piece fixing table is connected with an electromagnet; the grinding piece fixing table is used for fixing a to-be-ground workpiece; an output end of a programmable power supply is connected with a coil of the electromagnet; a permanent magnet grinding rod is located above the to-be-ground workpiece; and a magnetic grinding control system is connected with the programmable power supply and is used for acquiring grinding points, on the to-be-ground workpiece, of the permanent magnet grinding rod, and controlling an output voltage of the programmable power supply by utilizing a removal amount of a blank workpiece surface shape of the to-be-ground workpiece, the grinding points and a pulse width modulation (PWM) control method.

Abstract: A vacuum cleaner includes a vacuum body assembly. The vacuum body assembly includes a housing having a base end, a mount hook connected to the housing, a debris container removably coupled to the housing, and a suction source. The suction source is able to draw air into the debris container. A harness assembly is removably connected to the vacuum body assembly. The vacuum cleaner is convertible between a carry mode, a stand mode, and a hang mode. The harness assembly is connected to the vacuum body assembly in the carry mode, and the harness assembly is to be worn by a user. The base end of the vacuum body assembly may rest on a support surface in the stand mode. The hook of the vacuum body assembly may hang the body assembly from a mount structure in the hang mode.

Abstract: To detect whether barrel lids are fixed. A centrifugal barrel polishing machine (A) includes: a plurality of rotary tanks (50) that rotate planetarily; barrel lids (26) that are attachable to and detachable from the rotary tanks (50); and a plurality of clamp shafts (32) that are provided individually in the plurality of rotary tanks (50) so as to be rotatable integrally with the rotary tanks (50). Each of the clamp shafts (32) is displaceable between in a fixing form for fixing the barrel lid (26) to the rotary tank (50) and in a releasing form for releasing the fixation of the barrel lid (26). It is detected by a first detection means (40) whether the rotary tank (50) is positioned in a detection area (D) on a revolution path of the rotary tank (50), and it is detected by a second detection means (43) whether the clamp shaft (32) of the rotary tank (50) positioned in the detection area (D) is displaced to the fixing form.