Abstract: Piston assembly installation tools are disclosed, each installation tool configured for installation of the piston assembly into an opposed-piston engine from a crankcase area of the engine. The installation tools comprise cutouts to account for cylinder block main journal saddles located on either side of a cylinder bore where the piston assembly may be installed.

Abstract: A manipulable hygiene device having a plurality of opposing blades and surfaces each including arrays of minute protruding structures distributed across the surface areas such that each array of minute protruding structures forms a collection of abrasive surfaces having varied contoured dimensions in a manipulable hygiene device which is manipulable by a user for abrasive hygiene. Abrasive hygiene includes at least hygiene activities such as brushing, scaling, cleaning, buffing, smoothing, rubbing, massaging, stimulating, shaving, scraping, squeegee, depilatories, wiping, spreading, and similar activities employing abrasion or frictional actions.

Abstract: Provided is a support device that supports an object to be supported, in a manner that allows the object to rotate, without rotation of the support device itself. The support device is provided with: a base part; pair of support members that are slidably provided with respect to the base part, and have arc-shaped cut-out portions which sandwich and hold a circumferential surface of an object to be supported, from both sides of the object; a plurality of first biasing members that bias the pair of support members in a direction toward each other; a plurality of bearing parts that are provided along the cut-out portions, and are for sandwiching and holding the object to be supported, in a manner that allows the object to rotate; and a plurality of second biasing members that bias the plurality of bearing parts in a direction toward the object to be supported. The plurality of first biasing members bias the pair of support members.

Abstract: A precision cleaning device for cleaning and clearing a glue-dispensing needle includes a base, a supporting unit disposed on the base, a moving unit movably connected to the supporting unit, a clearing needle connected to the moving unit and facing the supporting unit, and an adjusting unit connected to the moving unit. The adjusting unit adjusts a movement of the moving unit to drive the clearing needle to move towards the glue-dispensing needle on the supporting unit, allowing the clearing needle to pass through the glue-dispensing needle to completely clean and clear the glue-dispensing needle. The cleaning device also prolongs the service life of the glue-dispensing needle.

Abstract: A cleaning element includes: a support body; and textile strings that are elongate. At least part of the textile strings includes a plurality of strands. A first strand and a second strand of the plurality of strands run longitudinally along the at least part of the textile strings, and a third strand of the plurality of strands runs transversely to the longitudinal extent of the at least part of the textile strings. The plurality of strands includes a fourth strand. The fourth strand runs longitudinally along the at least part of the textile strings. The fourth strand is disposed between the first strand and the second strand. The first, second, third, and fourth strands are fixed to one another by a support thread.

Abstract: A chemical-mechanical planarization equipment, comprising a polishing module, a cleaning module and a wafer transfer module, wherein the polishing module comprises two rows of polishing unit arrays, each row of polishing unit arrays comprises two or more sets of polishing units, polishing transfer stations corresponding to two rows of polishing unit arrays are longitudinally arranged and located in the row direction of the polishing unit arrays, and a working area of the wafer transfer module is located vertically above the longitudinally arranged polishing transfer stations.

Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.

Abstract: The invention relates to a cleaning apparatus for cleaning workpieces, comprising a workpiece receptacle, a rotary part drivable in rotation about a main axis by way of a drive device, at least one nozzle supporting part which is drivable in rotation about an axis of rotation different from the main axis and on which at least one nozzle is arranged or formed at a distance relative to the axis of rotation, via which nozzle the workpiece can be acted upon by a cleaning medium, a charge generating device having at least one electrode for electrostatic charging and/or discharging of the workpiece and/or of the cleaning medium, wherein the at least one nozzle supporting part is held for rotation on the rotary part or wherein the workpiece receptacle is held to or formed by the rotary part.

Abstract: A wrap around station of a car wash including a cross piece comprising one or more cross beams and a pair of roller assemblies disposed on the cross piece. Each roller assembly includes one or more first rollers with a substantially vertical axis of rotation, and one or more second rollers with a substantially horizontal axis of rotation. Each of the one or more first and second rollers are arranged to rotate in contact with at least one of the one or more cross beams. A pair of linear actuators are configured to move the roller assemblies along the cross piece. A first side brush and a second side brush are each pivotally and rotatably attached to a corresponding one of the roller assemblies so that the first and second side brushes are moveable along the cross piece and pivotable relative to the cross piece and relative to one another.

Abstract: A polishing and loading/unloading component module comprises a loading/unloading module in the center and two polishing modules on both sides of the loading/unloading module. The loading/unloading module includes a loading/unloading table module which has two loading/unloading positions in a direction perpendicular to the arrangement direction of the two polishing modules. The loading/unloading table module can move back and forth between the two loading/unloading positions, or the two loading/unloading positions are provided with loading/unloading table modules apiece, corresponding to the two polishing modules respectively.

Abstract: A personal hygiene device for cleaning a crease of a buttock, essentially comprising an elongated flexible plastic tubular netting that is folded over onto itself one or more times and has a plurality of knots tied along a center portion of its folded length is described. The device includes ends intended to be held in the hands of a user during use when the device is slid back and forth in the crease to clean it.

Abstract: The invention discloses a self-wringing mop system comprising a main body (1), a head (6) couplable to the main body (1), and a bucket (7) having a particular wringer (71). The interaction between the elements making up this system reduces the effort a user needs to make to wring the mop. The invention is also directed to each of the individual elements, in particular the main body (1), the head (6) and the bucket (7).

Abstract: A surface cleaning apparatus has a cyclone bin assembly having a cyclone chamber. The cyclone chamber with a physical filtration member defining the cyclone air outlet. The physical filtration member has an outer wall wherein at least a portion of the outer wall is porous and a plurality of ribs is spaced around the outer wall. The ribs have a radial inner side that has an inner width in the direction of rotation and a radial outer side that has an outer width in the direction of rotation that is narrower than the inner width.

Abstract: The present invention provides an improved 3D notch trowel designed for the application of materials such as adhesive. The trowel features a blade with at least one notched edge, having a 3D profile, which can take various forms including a round, as well as square, rectangular, triangular, or similar shapes. This notched edge comprises a top portion and a bottom portion that define an opening, a depth, and a perimeter surface having an angle. This unique design allows for the creation of consistent and evenly distributed grooves in the adhesive material at various angles relative to the flooring surface. Additionally, the notched edge of the trowel is capable of being filed down multiple times while maintaining the same consistency of material application. This design enhances the longevity of the trowel.

Abstract: An attachment for a utility bucket having a rim includes a rim engagement portion for engaging the rim of the utility bucket in a releasably locked engagement and a ramped portion, which extends from the rim engagement portion. The ramped portion can include an inclined portion which can have a back edge, a dust pan blade, and sidewalls that extend from a free edge of the dust pan blade to the engagement portion. The sidewalls can be both angled and curved. The dust pan blade can include a plurality of blade ribs formed on a bottom surface thereof.

Abstract: A cleaning attachment for a utility bucket is disclosed. The cleaning attachment can be used to sweep debris into the utility bucket. In one non-limiting example, among others, the cleaning attachment includes a ramp, a back platform, a rim engagement slot, and a retractable tab. The ramp includes a first end and a second end, and the second end having a greater height than the first end. The rim engagement slot engages a rim of a utility bucket. The rim engagement slot is formed between a front wall of the second end of the ramp and the back platform. The retractable tab extends from a back wall of the back platform. The retractable tab formed between two slots, and the retractable tab moves toward and away from the back wall for attaching and releasing the utility bucket.

Abstract: A robotic cleaning device, along with associated systems and methods of using the same, is described. The device may include a body portion that may define a top surface, a bottom surface, and a continuous sidewall surface. An example device may further include a drive system that propels the robotic device. An example device may further include two or more bottom brushes. An example device may further include a continuous opening that extends around the sidewall surface. An example device may further include a pair of sidewall brushes that may oscillate along the opening.

Abstract: A cleaning apparatus for use by hand and/or with a robotic device includes a nozzle that expels fluid, air or liquid, out of an open end of a housing of the cleaning apparatus. Simultaneously, a vacuum device is suctioning debris through the housing and into a vacuum port. The simultaneous use of suction and expelled fluid through a single apparatus generates turbulent airflow and effectively loosens and removes debris attached to surfaces without the need for the housing to contact the surfaces.

Abstract: A vacuum cleaner for removing debris from a surface to be cleaned includes a suction chamber having a suction nozzle opening, a source of suction in fluid communication with the suction chamber, a brushroll provided within the suction chamber, and a roller provided in a roller chamber in front of the brushroll.

Abstract: A dust collection device for use with a power tool includes a housing, an air inlet pipe, a cyclone pipe, an air duct pipe, and a ventilation pipe. The air inlet pipe is configured to guide an airflow to enter the dust collection device along a first straight line. The cyclone pipe extends along the second straight line. The cyclone pipe has a first end for air intake and a second end for dust discharge. The ventilation pipe is arranged at the first end and communicated with the cyclone pipe and is configured to guide the airflow after the airflow is subjected to dust separation performed by the cyclone pipe out of the housing. The second straight line along which the cyclone pipe extends intersects the first straight line to form an angle greater than or equal to 25° and less than or equal to 90°.