Abstract: A method for conditioning a polishing pad, which is configured to polish a wafer and attached to a rotatable discoid turntable, by using a conditioning head, the method being characterized by: moving the conditioning head in a radial direction of the turntable to perform the conditioning while rotating the polishing pad attached to the turntable by rotation of the turntable; and controlling a rotational speed of the turntable and a moving speed of the conditioning head in the radial direction of the turntable in correspondence with a distance of the conditioning head from a center of the turntable. Consequently, the method for conditioning a polishing pad which enables appropriately conditioning an entire polishing surface of the polishing pad can be provided.

Abstract: A system for forming an oral care implement and an oral care implement formed thereby. The system may include a first mold defining a first mold cavity having a first mold cavity axis; first and second injection orifices formed into the first mold and providing passageways directly into the first portion of the first mold cavity, the second injection orifice being spaced apart from the first injection orifice; first and second hot runner sub-systems fluidly coupled to the first and second injection orifices, respectively; wherein the system is configured to dispense the first material into the first portion of the first mold cavity via the first injection orifice, and after passage of a period of time, to subsequently dispense the second material into the first portion of the first mold cavity via the second injection orifice, the second material being injected into the first material to displace the first material.

Abstract: A method of altering an additively manufactured part can include orienting a surface of the additively manufactured part toward a rotational center that may be independent of a rotational axis defined by the additively manufactured part, flowing an abrasive media past the surface, rotating the additively manufacturing part about the rotational center; urging abrasive particles in the abrasive media past the surface abrasive media to impinge the surface with centrifugal force generated by the rotating, and improving surface finish of the surface.

Abstract: A clamping assembly for a component associated with an engine is illustrated. The clamping assembly includes a first support member and a second support member. The second support member is pivotally coupled to the first support member via a pivot point. The first and second support members define an internal space therebetween for receiving a portion of the component. The clamping assembly includes a first insert adapted to contact an inner surface of the first support member, and a second insert adapted to contact an inner surface of the second support member. The first and second inserts are also adapted to contact the portion of the component. The clamping assembly also includes a recess provided within the second insert. The recess is adapted to contact and align with a corresponding projection of the portion of the component. The clamping assembly further includes a handle extending from the first support member.

Abstract: A device and a method for machining, especially for polishing of an optical lens, are proposed, there being both a lens changing apparatus and also a separate tool changing apparatus. The lens changing apparatus is located between a working space and a conveyor apparatus for lenses and is pivotally mounted around a horizontal axis. The tool changing apparatus is located laterally next to the working space.

Abstract: A torque wrench is disclosed for use in rotating a range of different sized fasteners. The torque wrench may include an input end configured to receive a torsional input, and a gear train operatively driven to rotate by the torsional input. The torque wrench may further include a driver connected to the gear train at an output end and having an axial end surface with a plurality of arcuate slots formed in the axial end surface, and a plurality of clamps each pinned to a corresponding one of the plurality of arcuate slots and moveable by rotation of the driver to radially engage a range of different sized fasteners. The torque wrench may additionally include a housing configured to enclose the gear train, the driver, and the plurality of clamps.

Abstract: An engager is disclosed for use with a torque wrench. The engager may include a housing connectable to a rotating output of a motor, and a motor rotor slidingly disposed in and mechanically locked to rotate with the housing. The engager may also include a tool rotor connectable to a rotating input of the torque wrench, and a fluid piston configured to effect selective engagement of the motor rotor with the tool rotor.

Abstract: A tapered sleeve bolt removal tool for removing a tapered sleeve bolt includes a stop sleeve configured to be coupled to a threaded end of a bolt of the tapered sleeve bolt. The stop sleeve has a stop shoulder configured to abut against a bottom of a sleeve of the tapered sleeve bolt. The stop sleeve has a lateral dimension less than or equal to a lateral dimension of the sleeve to allow the stop sleeve to be removed through an opening with the bolt and the sleeve. A bolt extractor having a bolt engagement feature is configured to engage an extraction shoulder of the bolt. The bolt extractor is pulled in an extraction direction to pull the bolt, the stop sleeve and the sleeve to simultaneously remove the sleeve and the bolt from the opening in the component.

Abstract: Disposable torque-limiting mechanisms with upper shank component with a torque-limiting interface, a lower shank component with a torque-limiting interface, and a washer assembly biasing element. Torque-limiting interfaces having a plurality of undulations arranged around an axial bore or drive socket and separated by a plurality of transition regions, with each undulation having an upslope, a peak, and a downslope. The torque-limiting interfaces are configured to engage and disengage to provide torque transmission with predetermined torque limits at various rotational speeds and for amounts of actuations while remaining within a specified operational range.

Abstract: A toggle clamping device for building vehicle bodies has a clamping head and a cylinder, which adjoins the cylinder-side end of the clamping head in axial extension and the piston rod of which passes axially through the cylinder and a cavity of the clamping head, a toggle clamping arrangement being fastened to the free end of the piston rod, the toggle clamping arrangement being coupled to a clamping arm, and an opening being provided in the housing, and a cavity being provided therein for the mounting of a detection device for detecting the end positions of the clamping head, and wherein the detection device is formed as an exchangeable part, a “cassette”. For simple exchange of the cassette, the detection device is made up of a retainer and at least one sensor carrier, and the retainer is connected to the at least one sensor carrier such that the retainer can pivot about a pivot axis, the pivot axis being oriented transversely to the direction of the piston rod.

Abstract: A multipurpose woodworker's clamping and spreading apparatus consisting of an elongated support bar component and a pair of elongated crossbar components held together by the respective vertically inclined and horizontally inclined sleeving elements of each of a pair of a two-way adjustable bar holder components with each crossbar holding, as well, one of each of a pair of adjustable workholder components via the horizontally inclined sleeving member of each and with each workholder component featuring an externally threaded holding bolt threadably held within the bolt holder thereof welded to the sleeving member and with the ball shaped end portion of a small rod extension from the base of the bolt, rotatably holding a shoeholder element, in turn holding a shoe element, the sleeving member portion of which features sleeving for such holding and the base member portion of which serves to hold work for clamping or spreading.

Abstract: A blade replacement tool for use in replacing a combine cutting saw knife. The blade replacement tool includes a cable that is operatively connected to a connection link that is used for transferring pulling force to a connected combine cutting saw knife. A pull handle is fastened to the cable. The pull handle receives a pulling force that is transferred via the cable and via the connection link to a connected combine cutting saw knife. The cable is strong, thin and flexible. The pull handle is at least two feet (2 ft.) long. The connection link includes an attachment bracket having first and second apertures for attaching to a cutting saw knife (sickle) via mating apertures in a cutting saw knife (sickle).

Abstract: A support system includes a base have a plurality of legs depending from a support portion. The support portion includes at least one slot formed therein, wherein a portion of a support member is received in the slot. A deck of the support system is configured to slidably engage a top portion of the support member. The support member may include a male key portion formed on a first end and female key portion formed on second end, the female key portion of one support member configured to receive the male key portion of another support member. A groove formed in each of the deck and the clamp is configured to receive the track portion therein, wherein the clamp can be slid along the support member via the track. The deck may comprise a plurality of panels coupled to each other using a coupling member.

Abstract: The invention relates to clamping apparatus for a workpiece. The apparatus includes first and second jaws, one of which is movable by operator operation of a lever assembly and locking means are provided to selectively lock the movable jaw in position. The locking means can be actuated by the operator's foot thereby leaving the operator's hands free to perform work on the workpiece. An engagement system is also provided in order to allow additional accessory components to be selectively fitted to the apparatus for use in particular work operations.

Abstract: A wrench has a roller motion transmission mechanism that changes reciprocating motion of a driving member to unidirectional rotational motion of a driven member. The wrench as a head with an inside cylindrical wall surrounding a body with a plurality of protrusions. Each protrusion has a ramp inclined toward the cylindrical wall. A wedging member comprising a cylindrical roller engages each ramp and inside cylindrical wall of the head. A cage anchored to the protrusions retains the wedging members in engagement with the ramps and the inside cylindrical wall of the head.

Abstract: A lifting apparatus and controller therefore, where the lifting apparatus includes independently driven lifting columns and independently driven wheels that are controlled by a controller having a number of sensors such as limit sensors, position sensors, rotation sensors, laser sensors, torque sensors and the like. The independent motors for lifting and driving may also be removed easily to provide for improved servicing and maintenance. The various sensor signals are used to calculate, coordinate and calibrate the apparatus for precise and safe movement by the motors in order to perform lifting and positioning operations, for example rail car repair and service.

Abstract: The present invention relates to a straight edge clamp that has a clamping head assembly and a stop assembly mounted upon the body of the straight edge. The head and stop are not connected together and the stop assembly is free to move with respect to the head assembly. The straight edge clamp body includes at least two sections that are hinged together to allow the sections to be folded upon one another when not in use and unfolded when in use.

Abstract: A wafer chuck includes a support structure having a first side structurally configured to support a wafer, and a vacuum zone formed on the first side of the support structure. The vacuum zone may be at least partially bounded by a ring extending from a recessed surface of the first side of the support structure. The wafer chuck further includes a plurality of suction cups disposed in the vacuum zone, where one or more of the plurality of suction cups is coupled with a channel extending through the support structure. One or more vacuums are in fluid communication with the channel, where a vacuum is structurally configured to provide suction through the channel.

Abstract: A composition capable of pretreating surfaces of equipment for use with an uncured cementitious material, such as uncured concrete includes an aqueous solution with colloidal silica. Pretreatment of a surface with such an aqueous solution may reduce or eliminate adhesion of uncured cementitious material to the surface. A composition capable of cleaning hardened and/or cured cementitious material from the surfaces of such equipment also includes an aqueous composition with colloidal silica. Hardened and/or cured cementitious material may be removed from equipment surfaces by wetting the hardened and/or cured cementitous material with the aqueous solution to soften the cementitious material, and optionally abrading the softened cementitious material to mechanically remove the same from the equipment surfaces.

Abstract: A wood flooring adjustment and assembly tool includes a stationary flat bar having a distal end provided with a downwardly oriented lip, a guide statically attached to a top surface of the flat bar and located proximally of the downwardly oriented lip, a dynamic bar slidably positioned through the guide and linearly reciprocated along the stationary flat bar wherein the dynamic bar has a plate affixed to a distal end thereof, and a lever having a bottom end pivotally positioned at a proximal end of the stationary flat bar and directly abutted against a proximal end of the dynamic bar. Such a lever is pivotal about a fulcrum axis registered orthogonal to the proximal end of the stationary flat bar. The downwardly oriented lip is registered orthogonal to a longitudinal length of the dynamic bar and parallel to the flat bar.