Abstract: A ratchet mechanism of a ratchet wrench having a pawl carrier and first and second pawls. The pawl carrier includes a groove and is rotatable to cause selection of one of first and second drive directions. The first and second pawls are adapted to selectively engage with a toothed portion of a ratchet gear for selecting one of the first and second drive directions. Each of the first and second pawls includes a projection adapted to engage the groove when the pawl carrier is rotated to cause one of the first and second pawls to disengage from the toothed portion and the other of the first and second pawls to engage the toothed portion.

Abstract: A chemical mechanical polishing touch-up tool includes a pedestal configured to support a substrate, a plurality of jaws configured to center the substrate on the pedestal, a loading ring to apply pressure to an annular region on a back side of the substrate on the pedestal, a polishing ring to bring a polishing material into contact with an annular region on a front side of the substrate that is aligned with the annular region on the back side of the substrate, and a polishing ring actuator to rotate the polishing ring to cause relative motion between the polishing ring and the substrate.

Abstract: Provided is a substrate grinding device including: a work table rotatable with the work table sucking and holding a substrate; a cup wheel-type first grinding wheel configured to grind the rotating substrate while rotating, the substrate being held by the work table; and a cup wheel-type second grinding wheel configured to grind the substrate along with grinding by the first grinding wheel while rotating in a close vicinity of the substrate.

Abstract: A maintenance station for maintaining a cleaning robot includes a housing, a cleaning structure, and a liquid supply assembly. The housing includes a guiding platform configured to guide the cleaning robot to park. The cleaning structure is arranged on the housing and positioned corresponding to the guiding platform. The cleaning structure includes a tank body and a cleaning protrusion. The tank body defines a groove, the cleaning protrusion is arranged in the groove, and the cleaning protrusion is configured to clean a cleaning piece of the cleaning robot. The liquid supply assembly is arranged on the housing, the liquid supply assembly defines a liquid supply port, the liquid supply port is positioned above the cleaning structure and configured to supply liquid that flows into the groove by gravity.

Abstract: A cleaning pad for a mobile cleaning robot can include a backing layer, a cleaning layer, and a card. The backing layer can be user-releasably securable to a pad tray of the mobile cleaning robot. The cleaning layer can be affixed to the backing layer and engageable with a floor surface. The card can be connected to at least one of the backing layer and the cleaning layer and can be engaged with the backing layer. The card can be slidably insertable into a retainer of the pad tray to align the cleaning pad with the pad tray of the mobile cleaning robot.

Abstract: Embodiments of the present disclosure provide a multiple disk pad conditioner and methods of using the multiple disk pad conditioner during a chemical mechanical polishing (CMP) process. The multiple disk pad conditioner has a plurality of conditioning heads having conditioning disks affixed thereto. The multiple disk pad conditioner can include a conditioning arm, and a plurality of conditioning heads attached to the conditioning arm. Each of the plurality of conditioning heads has a conditioning disk affixed thereto. In some embodiments, each of the conditioning heads include a rotational axis, wherein each of the rotational axes is disposed a distance apart in a first direction that extends along the length of the conditioning arm.

Abstract: A processing apparatus includes a holding table having a holding surface that holds a workpiece and is smaller than the workpiece, a processing unit that processes the workpiece held by the holding table, an imaging unit that images the workpiece held by the holding table, and a controller. The holding table has a reflecting unit that surrounds the holding surface and is allowed to be positioned below an edge of the workpiece held by the holding surface, and at least part of the reflecting unit is formed of a reflective component and is imaged by the imaging unit in a state where the edge of the workpiece is positioned above the reflective component.

Abstract: A tool comprising a nubbin, or projection, is used to press on a recessed pushbutton of a shaft coupler. In one embodiment, a circular structure or a C shape structure fits a finger of the user's hand. A nubbin extends from the structure exterior. An arch, or a pair of projections, extend transversely to the user finger length, to contact one or both adjacent fingers during use and limit rotation of the tool. Another embodiment comprises a first element and a second element, each comprising two arches connected end-to-end; the two-arch openings face each other. To fit different diameter fingers, the spacing between the two elements is adjustable; a shaft integral with one element slides within a boss that is integral with the other element.

Abstract: A grinding apparatus and a grinding method of a composite substrate including resin, by which loading of a grinding wheel can be suppressed in grinding of a large-sized composite substrate including resin, and with which grinding can be effectively performed with high precision. This method for grinding a front surface of a composite substrate formed with a resin substrate embedded with at least one of a semiconductor device chip and an electrode, includes: bringing at least a part of a grinding member for grinding the front surface of the composite substrate into contact with the front surface; supplying water to at least one of a contacting part or a non-contacting part between the front surface of the composite substrate and the grinding member; and grinding the front surface of the composite substrate simultaneously with the supplying water.

Abstract: A reservoir device includes: a liquid storage structure, configured to store liquid; a liquid feeding assembly, configured to feed the liquid into the liquid storage structure; a barrier assembly; a sensing field generator, configured to generate a sensing field; a sensor; and an electrical control assembly. The barrier assembly is arranged inside the liquid storage structure. The sensor is configured to sense the sensing field. The barrier assembly is configured to float under a buoyance action of the liquid, and to block the sensor from sensing the sensing field when the barrier assembly floats in a first liquid level position. The electrical control assembly is configured to control the liquid feeding assembly to stop feeding the liquid into the liquid storage structure when the barrier assembly blocks the sensor from sensing the sensing field.

Abstract: The invention relates to a grinding machine, which is suitable for a robot-supported grinding process. According to one embodiment, the grinding machine has a housing, a motor arranged in the interior of the housing, a fan wheel arranged on a motor shaft of the motor in the interior of the housing, and a support plate coupled to the motor shaft for receiving a grinding disc. The support plate has openings for intake of grinding dust into the interior of the housing. The grinding machine furthermore has an outlet arranged in a wall of the housing for exhausting the grinding dust out of the interior of the housing and a non-rerun valve arranged in the wall of the housing. The non-return valve enables an to escape from the interior of the housing, but prevents intake of air into the interior of the housing.

Abstract: An anti-slip fastener remover tool includes a torque-tool body, a plurality of paired engagement features, and a plurality of intersection points. The plurality of paired engagement features that grips the lateral surface of the stripped fastener head is radially positioned around a rotation axis of the torque-tool body. The torque-tool body is inwardly extended from an outer wall of the torque-tool body to the plurality of paired engagement features. Each paired engagement feature is offset by 30 degrees, comprising a first engagement feature and a second engagement feature. The first engagement feature and the second engagement feature each comprise a bracing section, a cavity section, and a connector section. The cavity sections of the first and second engagement features are adjacently connected to each other. The bracing sections of the first and second engagement feature are oppositely positioned about the cavity sections of the first and second engagement features.

Abstract: A sintered magnet sawing apparatus is provided comprising a cylindrical work carrier mounted on a horizontal rotating spindle and having a regular polygonal shape in a perpendicular cross section, and a plurality of endless elastic belts adapted to force a work of sintered magnet against the carrier surface to secure the work thereto and adapted to travel synchronously with and counter to the rotation of the carrier in a circulatory manner. In accordance with rotation of the carrier, the work is delivered to the peripheral surface of the carrier, secured thereto by the elastic belts, moved further forward and cutoff machined by an outer cutoff blade. The divided work is moved further forward, released and discharged from the carrier.

Abstract: A toothbrush device includes a detachably attached toothbrush head. The device includes a handle having a compartment therein for storing replacement toothbrush heads. The handle has a first section and a second section detachably connected together to form the compartment. The replacement toothbrush heads are detachably secured to the second section of the handle. The user can detach the second section from the first section to access the replacement toothbrush heads such that the user can replace the toothbrush head in the toothbrush head holder with a replacement toothbrush head, when desired.

Abstract: An abrasive article, in particular a coated abrasive disc, includes a plurality of holes which are arranged in a hole pattern. The density of holes decreases from an inner region of the hole pattern to an outer region of the hole pattern. At least one hole in the hole pattern is designed as an elongated hole.

Abstract: A wiring machine includes a chassis, a shifting mechanism, a carrying mechanism and a wire leading mechanism. The chassis has a guide rail. The shifting mechanism is disposed on the guide rail and movable along the guide rail. The carrying mechanism is disposed under the guide rail and includes a tray movable along a direction perpendicular to the guide rail. The wire leading mechanism is connected to the shifting mechanism and movable in a direction perpendicular to the shifting mechanism. The wire leading mechanism includes a body, a wire conveying assembly disposed in the body and a wire leading head connected to the body. A wire is conveyed by the wire conveying assembly to be output by the wire leading head. Therefore, the wire may be rapidly and stably laid into different types and shapes depending on different requirements.

Abstract: A paint brush cleaning system includes a housing and a paint brush cleaner attached to the housing. The housing contains solvent that helps clean a paint brush. The paint brush cleaner rotates a wire brush against the bristles of the paint brush and actuates a pump to eject solvent drawn from the housing as the paint brush is moved in translation. The wire brush is coupled to a retractable cord, which rotates the wire brush. A holder is simultaneously coupled to the retractable cord and the pump. When force is exerted on the holder, the retractable cord rotates the wire brush and the pump ejects solvent. A user can insert a paint brush handle through the holder, thus actuating the pump and rotating the wire brush by applying force to the handle. The housing attaches to a user's belt, providing easy access to the paint brush cleaning system.

Abstract: An oral healthcare personal appliance (10), configured for use with a removable brush head (20) having a first light guide (28), comprises a handle (16), an actuator (14) with a hollow drive shaft (18), a second light guide (36) disposed co-axially between first and second ends of the hollow drive shaft, a rear stop connection adapter (62) coupled to the second ends of the hollow drive shaft and the second light guide, a light source (66) to emit light into the second light guide, and an optional front stop connection adapter (34) coupled to the first ends of the hollow drive shaft and the second light guide. Physically coupling the brush head to the handle enables both (i) a rotation of the brush head via a rotation of the hollow drive shaft and (ii) a transmission of light from the light source through the second light guide and into the first light guide.

Abstract: The multifunctional pocket knife (1) is composed of a handle (2) formed by two joined-together flanks (3, 3?) that provide at least one stowage space (4) for tools that each pivot about link pins (5, 5?) arranged at each end of the handle (2). It is characterized in that it comprises a planar tick-removal instrument (6) that pivots about one of said link pins (5, 5?) and that extends along the longitudinal axis of the pocket knife. Tick-removal instrument (6) designed to be incorporated into a multifunctional pocket knife (1).

Abstract: The present application relates to a grinding machine for tungsten electrode, which includes a driving device and a grinding device arranged on a driving end of the driving device. The grinding device includes a mounting assembly and an adjusting assembly. The mounting assembly is mounted on the driving device, the driving end of the driving device passes through the mounting assembly, the mounting assembly is provided with a grinding chamber, a grinding plate is provided at the driving end of the driving device, and the grinding plate is positioned in the grinding chamber. The adjusting assembly is rotatably connected to the mounting assembly, the adjusting assembly is provided with a clamping component, and the adjusting assembly is configured to adjust a grinding angle of the tungsten electrode on the grinding plate.