Abstract: A hand-held electric power tool for grinding sheetrock particularly adapted to making butt joints have a tapered or recessed juncture for filing with tape embedded with mud such that the joints are ready for painting or covering with wallpaper without being noticeable. The tool includes a grinding cylinder with barbs protruding therefrom which cut or grind the sheetrock edges without penetrating the full depth of the sheetrock or otherwise weakening or damaging the butt joint.

Abstract: Adjustable weight striking device can be selectively loaded with weighting material to temporarily increase striking force during use and unloaded to reduce weight while carrying. The tool has body made of low density material and working end for striking tool, handle extending from the body made of low density material, striking tool at working end, and apparatus for holding weighting material adjacent to the body. The weight holding apparatus can be platform with straps or other securing feature for temporarily holding weighting material and/or an interior chamber within the body for receiving weighting material. Weighting material can be sand, water, dirt, gravel, rock, or metal and can temporarily increase the weight of the striking tool by 50%, 100%, 200% 250%, 300%, 400%, 500% or more depending on volume and/or density of weighting material as compared to striking device.

Abstract: A method for making a polishing pad includes rotating a cylinder about a central axis. The cylinder encloses in an interior space a polymer mixture. The method also includes forming the polishing pad from at least some of a polymer formed after the polymer mixture has gelled. The rotating of the cylinder may be continued until the polymer has cured. The method may include forming at least two distinct layers in the polishing pad by casting and gelling sequentially at least two different polymer mixtures. A system for manufacturing a polishing pad includes a centrifugal caster adapted to rotate. A polishing pad made by a method is provided.

Abstract: Wheel back cavity groove processing equipment is disclosed in the present application, which includes a lower lifting system, a central brush system, groove brush systems, a synchronous clamping and rotating system, a left brush system, a right brush system, an upper lifting system and the like. The wheel back cavity groove processing equipment not only may be used for removing burrs from wheel back cavity grooves, but also may be used for removing burrs from bolt holes, a center hole, spoke edges and transverse corners, and simultaneously has the characteristics of high automation degree, high removal efficiency, advanced process, strong generality, and high safety and stability.

Abstract: An automated building façade cleaner includes a cleaning module attached to multiple guide cables. The cleaning module can be moved along a height of the building by hoists secured to a top of the building. A cleaning fluid is fed into the cleaning module by a fluid supply module. The liquid is sprayed onto the building from nozzles in the cleaning module. A suction line, connected to a suction module, provides suction within the cleaning module for collecting loose water and dirt produced by the cleaning module. The building façade cleaner may be automated to operate without human interaction.

Abstract: An apparatus for chemical mechanical polishing includes a platen having a surface to support a polishing pad and an electromagnetic induction monitoring system to generate a magnetic field to monitor a substrate being polished by the polishing pad. The electromagnetic induction monitoring system includes a core positioned at least partially in the platen and a coil wound around a portion of the core. The core includes a back portion and a multiplicity of posts extending from the back portion in a first direction normal to the surface of the platen. The core and coil are configured such that the multiplicity of posts include a first plurality of posts to provide a first magnetic polarity and a second plurality of posts to provide an opposite second magnetic polarity, and the first plurality of posts and the second plurality of posts are arranged in an alternating pattern.

Abstract: A grinding machine for external cylindrical grinding of hollow shafts may include at least one grinding disc, at least one support disc, and at least two centrings for a face-side fixing of a hollow shaft. At least one of the at least two centrings may be configured as a point. A ruler may be arranged to adjust and hold a position of the hollow shaft during a grinding operation. A rotation axis of the at least one grinding disc and of the at least one support disc may be arranged parallel to one another and define a plane. A rotation axis of the hollow shaft to be ground may extend outside of the plane by a distance of a>12 mm.

Abstract: A multiple tool with an integrated case is described. The multiple tool includes a tool assembly that includes a first pivot on which are articulated a plurality of implements, each implement rotatable from an inactive position of minimum encumbrance to at least a working position, and a carry case for housing the tool assembly. The carry case includes at least a grip portion for manually holding the tool assembly with at least one of the implements in a working position.

Abstract: An abrading tool includes a base member having a support portion defining a first level, and a plurality of integral raised islands extending upwardly above the first level. The base member may be formed of metal or a non-conductive material. The islands are spaced apart from one another. Each island includes a respective tip portion. The distance between adjacent islands may be greater than the width of a single island. An abrasive composite material, including a carrier material and particles of an abrasive material, is affixed to the tip portions of at least some of the islands. The abrasive material may be applied by electroplating, electro-less plating, brazing or another method. The abrasive material is applied only to the tip portion of the islands, such that the first level of the support portion is substantially free of the abrasive material. Methods of making the abrading tool are also described.

Abstract: A power screwdriver is provided with a drive part having a drive motor, a gear case with gearing elements; an output shaft led out of the gear case; a support offset laterally relative to the output shaft and fixedly connected to the gear case, and a rotary joint with drive-associated ring connected to the drive part and gearing-associated ring connected to the gear case. An actuating ring is arranged coaxially to the output shaft and is movable relative to the drive-associated ring and relative to the gearing-associated ring. It is movable between a release position, in which the rings are rotatable relative to each other, and a blocking position, in which the rings are blocked relative to each other. A spring element acts on the actuating ring over its movement path, extending from blocking position to release position, in the direction of the blocking position.

Abstract: A process for machining a lens includes the steps of holding a semi-finished product through a suction holding force which is active during an entire surface machining cycle of the semi-finished product; carrying out the surface machining cycle on a surface to be machined of the semi-finished product; and activating a pressure holding force depending on the level of the mechanical stresses exerted on the semi-finished product during the surface machining cycle on said surface.

Abstract: A pin spanner tool for use with a driver having a center of rotation, the pin spanner having a driven arm, a floating arm, and a bolt connecting the driven arm and the floating arm, where the bolt has a center of rotation which is co-centric with the center of rotation of the driver.

Abstract: Dry ice container for dry ice cleaning devices comprises the container for dry ice closed by the lid (2) on the upper side, and provided by the opening (3) for drawing out dry ice pellets on the lower side. The container (1) has the bottom (4) sloped towards the opening (3) for drawing out the pellets. The linear-movable member (5) is arranged in the chamber (6) at the bottom (4) of the container (1) transversely to the axis of the container (1). The member (5) has the shape of a gutter in which groups of separated openings (5a, 5b, 5c) are provided, to which at least one pellets plowing element (5d) is placed in the member (5). Each group of openings (5a, 5b, 5c) pertains to one opening (3) for drawing out the pellets.

Abstract: A wrist-worn, tool and routine activity aiding device comprising, a wristband housing having a front that includes a bottom surface, an outer edge and a sidewall that extends upwards from said bottom surface outer edge, said sidewall having an inner surface, and a defined cavity boundary, a body having a boundary edge and top and bottom surfaces, a means for aiding the wearer in a routine activity of the wearer and that is attached to the body, a tubular member, a flange. The tubular member of the device is mounted to the body boundary edge, wherein the flange interacts with the wristband housing to lock and unlock the tubular member to the housing. Tool members have a configuration to be moved from a stored position to extended position for use, and wherein the tool members in a stored position are located and stored completely within the boundaries of the cavity.

Abstract: The invention provides a polishing pad suitable for polishing or planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad includes a polishing layer having a polymeric matrix, a thickness and a polishing track representing a working region of the polishing layer for polishing or planarizing. Radial drainage grooves extend through the polishing track facilitate polishing debris removal through the polishing track and underneath the at least one of semiconductor, optical and magnetic substrates and then beyond the polishing track toward the perimeter of the polishing pad during rotation of the polishing pad.

Abstract: An adaptive bending structure or insert for a lapping device is disclosed. In illustrated embodiments the bending structure provides a wider control width between bending nodes for imparting bending to a workpiece for lapping or longer beam length to increase stroke input at outer ends of the bending structure. In illustrated embodiments, outer bending fingers of the bending structure have a wider width than inner bending fingers to provide the wider control width of the adaptive bending structure. The wider bending fingers of the bending structure connect to actuator fingers of an actuator module to adapt the actuator module to provide an increased control width for controlling bow and curvature of the workpiece during the lapping process.

Abstract: A saw wire to cut hard and brittle materials is disclosed that comprises a steel wire that is provided with bends with segments in between. The average degree of bending of the bends is between 0.5% and 5%. Such a saw wire has a higher breaking load compared to saw wires having a conventional, higher average degree of bending. A method to measure the curvature is described as well as a process to make the inventive saw wire. The invention is applicable to any shaped saw wire for example a single crimped saw wire, a saw wire with at least two crimps in different planes, a saw wire with crimps rotating in a plane.

Abstract: The present invention relates to a torsion spring winding tool, and in particular to a tool having two bars that are joined with a connector. Each bar can have a shaft with two ends. Two collars are connected to each shaft, generally near the second end of the shafts. The collars separate the bars into three sections, namely a handle, a seat and a lug. A connector is provided and connects the bars together in the seats. The connector can be a spring that is covered with a cover. A user can use the handles to manipulate the bars. The lugs can be inserted into pockets of a spring cone to wind and unwind a torsion spring.

Abstract: The present disclosure relates to a contiguous compression wire sprang polishing apparatus that continuously polishes end surfaces of compression wise springs (10) by upper and lower chain conveyers 100 and 200 and grinding units 300.

Abstract: A wrench assembly comprising an upper clamp assembly, a lower clamp assembly coupled to the upper clamp assembly, and an alignment device disposed between the upper and lower clamp assemblies to allow the upper clamp assembly to move laterally relative to the lower clamp assembly when rotated relative to the lower clamp assembly.