Abstract: A surface cleaning apparatus is disclosed having a forward portion and a rearward portion. The forward portion has a dirty air inlet, a front side, a rear side and a forward bridging section, the forward bridging section having a rearwardly extending air flow passage that is downstream from the dirty air inlet. The rearward portion positioned rearward of the forward portion, the rearward portion comprising a front side, a rearward side, a rearward bridging section, a lower planar surface, an upper surface and an up flow duct, the rearward bridging section being spaced rearward of the front side of the rearward portion. The rear side of the forward portion is spaced from and faces the front side of the rearward portion and the forward bridging section is connected to the rearward bridging section.

Abstract: A suction hose for a vacuum cleaner including a hose portion, which has a flexible dust removal hose body and a flexible jacket hose body, in which the dust removal hose body is arranged, wherein a suction flow channel for conducting a suction flow to the vacuum cleaner extends between longitudinal ends of the hose portion, which suction flow channel is bounded by a hose jacket of the dust removal hose body, a connection piece for connecting to the hand-held power tool or to the vacuum cleaner is arranged at at least one longitudinal end of the hose portion, and the jacket hose body and the dust removal hose body extend into an interior of a hose receptacle of the connection piece such that the dust removal hose body is sheathed by the jacket hose body into the hose receptacle.

Abstract: An interdental cleaning tool capable of reducing possibility of a cleaning portion being detached from a shaft portion includes a base portion including a shaft portion (20) having a shape insertable in an interdental space, and a cleaning portion (50) that covers at least a portion of the shaft portion and is capable of cleaning an interdental space. The base portion further includes a protruding portion (40) that protrudes from a covered portion (22) in a direction intersecting the shaft portion (20), the covered portion (22) being a portion of the shaft portion (20) and covered by the cleaning portion (50).

Abstract: A chemical mechanical polishing apparatus includes a cleaning unit that cleans a substrate, a brushing unit that includes a plurality of roll brushes brushing the substrate and a driver driving the roll brushes, and a controlling unit that controls the driver. The controlling unit includes a time calculator that counts a usage time of the roll brushes, and a drive controller that reduces a distance between the roll brushes, based on the usage time of the roll brushes.

Abstract: The present application relates to an adjustable wheel deburring device, comprising a lower lifting-translating-overturning system, a clamping driving system, a upper lifting-moving system, a adjusting system, a brush unit and a upper deburring system, among others. The device according to the present invention in use is able to not only remove burrs at the back cavity and front of the wheel, but also automatically adjust the shape of the brush belt according to the shape of the wheel back cavity.

Abstract: An adapter for a bearing race and seal driver tool that allows the tool to be used in hard to reach applications. The adapter connects to a driver and a handle at a non-zero angle, for example a right angle, to allow the adapter to be struck at a face of the adapter rather than the handle to be struck at an end of the handle. A pocket is included at one or more connection points between the adapter and the handle or driver to resist rotational movement of the handle or driver.

Abstract: An efficient ultra-precise shear thickening and chemical synergy polishing method, comprising the following steps: 1) fixing workpieces (3) to a polishing and fixing disc (31) of implementation equipment; 2) preparing an efficient ultra-precise shear thickening and chemical synergy polishing slurry, the polishing slurry comprising polishing abrasive particles or micro-powder, a shear thickening enhanced phase, water and green chemistry environmentally-friendly substances; 3) adding the prepared polishing slurry into a dust-prevention cover (30), and starting a polishing slurry circulating device, so that the polishing slurry is supplied to the surfaces of the workpieces (3) by means of polishing tools (1); and 4) starting driving devices (9) and driving mechanisms (33), so that the polishing tools (1) move relative to the workpieces (3), and surfaces of the workpieces (3) to be machined are polished.

Abstract: A vacuum cleaner attachment generally includes a cleaning element that floats relative to a suction conduit of the vacuum cleaner attachment. The cleaning element is supported on a support structure that is movably coupled to a housing and is biased towards a floor, for example, as a result of the weight of the cleaning element support structure. The cleaning element may be permanently attached to the support structure or may be a removable or disposable pad or sheet attached to the support structure. The floating cleaning element may be supported between the suction conduit and one or more wheels of the vacuum cleaner attachment. The vacuum cleaner attachment may be removably attached to a vacuum cleaner, for example, to be used interchangeably with other surface cleaning heads.

Abstract: A wafer polishing head is provided. The wafer polishing head includes a carrier head, a plurality of piezoelectric actuators disposed on the carrier head, and a membrane disposed over the plurality of piezoelectric actuators. The plurality of piezoelectric actuators is configured to provide mechanical forces on the membrane and generate an electrical charge when receiving counterforces of the mechanical forces through the membrane. A wafer polishing system and a method for polishing a substrate using the same are also provided.

Abstract: In a polishing apparatus an optical connector polishing jig holds the MT ferrule provided at the connection end portion of the optical connector, the optical connector polishing jig includes: a cylinder base; a cylinder shaft held on the cylinder base to be capable of moving in the up-down direction; and a set block connected to an end of the cylinder shaft and having a hole into which the MT ferrule is inserted and in which fixing means for adjusting the pressing force and fixing the MT ferrule is inserted, and a surface of the fixing means that comes into contact with the MT ferrule has a protrusion that partially protrudes to apply a pressing force to the MT ferrule such that when the MT ferrule is fixed, an end surface of the MT ferrule is slightly deformed and a center portion of the end surface in a longitudinal direction swells.

Abstract: A clamp contains: a body, an actuation rod, and a slow descending device. The body includes a first support sheet, and the actuation rod includes a second support sheet. The body further includes a drive grip, a driven mechanism, and a limitation mechanism. The limitation mechanism has a first spring, multiple first fixing protrusions, and a release lever. The slow descending device includes a second spring, multiple second fixing protrusions, a guide element, and a micro-adjustment handle. The micro-adjustment handle has a pull lever and the second spring 31 surrounds around the actuation ro. The multiple second fixing protrusions accommodate the actuation rod and are pushed by the second spring. The micro-adjustment handle has a third spring and a control lever pushed by the third spring and contacting with the multiple second fixing protrusions.

Abstract: A modular workbench system for quickly and easily interchanging a portion thereof may include a workbench with a cutout therein and a modular insert panel designed to removably engage with the cutout in the workbench. The edge of the cutout may include bench grooves, such as a bench finger joint, and the modular insert panel may include insert grooves, such as an insert panel finger joint, on an outer edge thereof, wherein the insert grooves are designed to removably engage with the bench grooves. The modular insert panel may include a tool premounted thereto.

Abstract: The present device is a cutting table for supporting a workpiece above a support surface while cutting the workpiece with a tool. The cutting table is comprised of at least one foam table piece that includes a top side, a bottom side, and at least one peripheral edge. Two or more foam standoffs project upwardly from the top side of the foam table piece a common height and each terminate at a top surface adapted for contacting and supporting the workpiece. The two or more standoffs allow the workpiece, when supported by the foam table piece, to be cut with the tool even if some of the standoffs are damaged by the tool. Preferably a portion of the area of the top surfaces of the standoffs to an area of the top side of the foam table pieces is less than 50%, preferably being between either 20-30% or 45-50%.

Abstract: A surface treatment apparatus may include a first agitator, a second agitator, and a drive system configured to cause the second agitator to rotate concurrently with the first agitator, the drive system including at least a first magnetic gear and a second magnetic gear.

Abstract: A hand tool with insulation handle. The handle is made of an insulation material and is formed with a hollow portion (11) and an embedding groove (12). The embedding groove (12) is communicated with the hollow portion (11) and located on a front end (101) of the handle. The tool rod (20) includes a shaft (21) having a rear end (211) and a front end (212). The end plug (30) is made of the insulation material and includes a clamping section (31) and an abutting section (32). The rear end (211) of the shaft is positioned in the end plug through snapping the clamping section. The tool rod (20) is replaceablely inserted in the hollow portion (11) of the handle and protrudes from the handle.

Abstract: A coated abrasive disc includes a disc backing and an abrasive layer disposed thereon. The abrasive layer comprises abrasive elements secured to a major surface of the disc backing by at least one binder material. The abrasive elements are disposed at contiguous intersections of horizontal and vertical lines of a rectangular grid pattern. Each abrasive element has two triangular abrasive platelets, each having respective top and bottom surfaces connected to each other, and separated by, three sidewalls. On a respective basis, one sidewall of the triangular abrasive platelets is disposed facing and proximate to the disc backing. A first portion of the abrasive elements is arranged in alternating first rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the vertical lines. A second portion of the abrasive elements is arranged in alternating second rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the horizontal lines.

Abstract: A convertible sawhorse and work table assembly includes two sawhorse legs, a worktable and two pivoting support rods. The two support rods are pivotably attached to the work table near one end thereof and to one of the sawhorse legs at the other end thereof. When in the closed condition, the sawhorse legs are folded against each other, with the worktable folded along one of the legs and the two support rods folded against the other sawhorse leg. In a second condition, the sawhorse legs are pivoted away from each other with the worktable and support rods remaining folded against the legs. In a third condition, the table is pivoted upwardly away from the one sawhorse leg until it is disposed substantially horizontally above the sawhorse legs, and is then slid rearwardly relative thereto until the pivot support rods are fully extended away from the other sawhorse legs.

Abstract: A chemical mechanical polishing apparatus includes a platen to hold a polishing pad, a carrier to hold a substrate against a polishing surface of the polishing pad during a polishing process, a dispenser to supply a polishing liquid to the polishing surface, and a temperature control system including a body configured to contact the polishing surface or the polishing liquid on the polishing surface. The body supports a thermal control module positioned over the polishing pad.

Abstract: A method of processing a workpiece includes sticking an adhesive layer side of a resin sheet having a layered structure that includes the adhesive layer and a base material layer, to a support base, forming surface irregularities on a face side of the base material layer that is opposite the adhesive layer; placing a face side of the workpiece and the face side of the base material layer in facing relation to each other and pressing the workpiece against the resin sheet or pressing the resin sheet against the workpiece, thereby bringing the workpiece into intimate contact with the resin sheet to fix the workpiece to the resin sheet; holding a surface of the support base that is opposite the resin sheet on a holding surface of a chuck table, and grinding a reverse side of the workpiece with a grinding stone disposed in facing relation to the holding surface.

Abstract: The present invention provides a cleaning unit, comprising: a columnar body part having a rotation guide opening formed on the outer circumferential surface thereof; a shaft installed to reciprocate a predetermined distance in the longitudinal direction thereof in a hollow formed in the body part; a drive part that protrudes from the shaft in the radial direction thereof; a brush part that has one side installed on the outer circumferential surface of the body part along the longitudinal direction thereof and rotates on the basis of the one side as a rotation axis; and a driven part that extends from the brush part toward the drive part, passes through the rotation guide opening, and is inserted into a rotation guide groove formed in the drive part.