Abstract: A personal appliance. The personal appliance includes a handle having an implement connecting structure. An implement is connected to the implement connecting structure. An implement displacement sensor is associated with the handle. The implement displacement sensor measures a displacement of the implement relative to a fixed position of the handle. A power source, an acceleration sensor and an angular velocity sensor are associated with the handle.

Abstract: Process accuracy and throughput in a system for processing timber and lumber with a circular gang saw can be improved by measuring a sawing force and a guide friction force near an end of one or more saw arbors and incorporating the force measurement into a process control system to adjust the workpiece feed speed (or other process parameters) to achieve better results.

Abstract: A reciprocating saw includes a housing, a motor, and a drive mechanism. The motor is configured to operate in a forward mode corresponding to a first rotational direction, and in a reverse mode corresponding to a second rotational direction opposite the first rotational direction. The drive mechanism includes a driven gear, a connecting rod, an output shaft, and a counterweight. The driven gear is rotated by the motor and has an upper portion and a lower portion. The output shaft reciprocates through a cutting stroke and a return stroke. The counterweight is coupled to the driven gear and rotating with the driven gear. When the motor is operated in the forward mode, the counterweight moves through the upper portion of the driven gear during the cutting stroke of the output shaft, and moves through the lower portion of the driven gear during a return stroke of the output shaft.

Abstract: Systems and methods are provided for paying out material. One embodiment is a method for dispensing film onto a surface. the method includes operating vacuum ports at a suction table, adhering a leading edge of a web of film to the suction table, driving the payout system across the suction table while the vacuum ports are being operated and while unrolling the web of film, unrolling a web of film from a roll of a payout system that is mounted for traversal across the upper surface of the suction table, and enforcing tension at the web of film between the suction table and the roll while payout system is drawn across the suction table.

Abstract: Embodiments of the invention provides a cutting tool. The cutting tool includes a housing; a motor, accommodated in the housing; a transmission mechanism, connected to the motor and used for driving a saw blade, having a saw blade plane; and base plates, connected to the housing and comprising a first base plate provided with a first bottom surface and a second base plate provided with a second bottom surface, wherein at least one of the first base plate and the second base plate is provided with an abutting surface coplanar with the saw blade plane; the abutting surface is used for being matched with a guide surface, and the first base plate and the second base plate are movable to expose the abutting surface.

Abstract: Disclosed herein is a machine for cutting nozzles of reactor vessels. The machine for cutting nozzles of reactor vessels comprises a cutting unit positioned at an upper surface edge of a reactor vessel having a nozzle and having a saw blade part having different contact areas to cut the nozzle, a drive unit providing the saw blade part with rotary power, and a foreign substance suction unit provided at one end of the cutting unit in contiguity with the saw blade part to suck foreign substances generated when the nozzle is cut by the saw blade part, wherein the foreign substance suction unit sucks the foreign substances by approaching an outer peripheral surface of the nozzle when the saw blade part moves in a cutting direction of the nozzle.

Abstract: A cutting chain for a chainsaw may include a plurality of drive links, and a plurality of cutter links. Each of the drive links includes a top portion and a bottom portion that interfaces with a guide bar of the chainsaw. The cutter links are operably coupled to respective ones of the drive links at the top portion thereof. At least one of the cutter links includes a base portion and a cutting portion extending away from the base portion. The cutting portion includes a side plate and a top plate, the top plate including a top face and a bottom face. The side plate includes an outer face and an inside face. Multiple coating materials are provided on respective different surfaces of the drive links or cutter links such that different coating materials are applied based on a wear context of the respective different surfaces.

Abstract: Disclosed herein are a multi-cell tab cutting apparatus for a plurality of cells, which have a plurality of tabs formed at one side, and a method therefor. The multi-cell tab cutting apparatus includes a base frame, a cell tab fixer connected to the base frame and configured to fix and support the plurality of tabs, and a cutter positioned at the base frame and configured to cut the plurality of tabs through driving.

Abstract: A personal appliance. The personal appliance includes a handle having an implement connecting structure. An implement is connected to the implement connecting structure. An implement displacement sensor is positioned in the handle. The implement displacement sensor measures a displacement of the implement relative to a fixed position of the handle. A power source, an acceleration sensor and an angular velocity sensor are positioned in the handle.

Abstract: A perforating apparatus has a base having at least one counter component. The counter component has a length, LCC, and a nonlinear shape having a shape width, W. A support is operatively engaged with the base. A blade having a length, LB, is disposed on the support so as to cooperate in interacting relationship with the counter component. The blade has a plurality of teeth. A web material is perforated as it passes between the base and the support and the blade cooperates with the counter component. A driving means is associated with one of the support and the base to reciprocally shift the one of the support or the base for a distance, D, in a shifting direction. The distance, D, is at least the translational distance that one tooth travels to cover the shape width, W.

Abstract: The present invention provides a method for shear processing whereby a sheared surface having a small residual stress and excellent surface properties is formed and the service life of a punch is prolonged in a shear processing for shearing, by a shear line that crosses a weld zone, a workpiece with a large thickness of level difference of a weld zone and/or obtained by welding together a steel sheet having a strength of 1000 MPa or more and another steel sheet. The shearing for shear processing method according to the present invention is a method for shearing a workpiece having a weld zone using a punch and a die, the method characterized in that two protrusions are provided to a cutting edge of the punch, all or part of the weld zone of the workpiece is flanked from the two sides by the two protrusions, and the workpiece is sheared by a shear line that crosses the weld zone.

Abstract: Size-reduction units, size-reduction machines, and methods capable of producing size-reduced products from a variety of solid and semisolid materials. A size-reduction unit includes a circular cutter adapted and arranged to cut a product into strips, a rotating cross-cutter adapted and arranged to receive the strips from the circular cutter, and a stripper plate. The cross-cutter has knives with cutting edges that are adapted and arranged to cut the strips into a size-reduced product, and the stripper plate defines a shear edge in proximity to the cutting edge of each knife of the cross-cutter as its cutting edge encounter the shear edge during rotation of the cross-cutter. The cross-cutter has a helical fluted shape comprising flutes between adjacent pairs of the knives.

Abstract: A guillotine style cutting mechanism that can cut material without a pair of pivoting blades that are externally exposed, does not require a user to open and close two fingers to operate, and can be operated in both the left and right hands (not designed for either hand). The cutting mechanism includes a receiving inlet (trap) for receiving the material, a stationary blade within the trap and a moveable blade that enters the trap when activated by an engagement mechanism. The cutting mechanism may include an outer housing having an open interior, an extension arm extending from the housing to create the trap, a stationary blade within the trap, a movable blade formed on a rod within the housing, and an engagement button that causes the moveable blade to traverse the housing so as to extend into the trap and engage the stationary blade to cut the material.

Abstract: A trimmer head arranged to be driven to rotate a trimmer line, where the trimmer head includes a housing and an inner body connected to a trimmer line spool. The inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. The trimmer further includes drive means for driving the trimmer head to rotate, and the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.

Abstract: The present application provides a residual material removing device, method and system, in which the residual material removing device includes: a loading platform configured to support a material to be cut; a fixing plate abutting against an upper surface of the material to be cut is configured to fix the material to be cut, and one end of the fixing plate is in contact with a residual material in the material to be cut; a first pressing portion in contact with one end of the fixing plate is configured to apply pressing force to one end of the fixing plate to separate the residual material from the material to be cut under the action of the pressing force.

Abstract: A knife having a housing (11) and a blade support (18) for holding a blade (19), the blade support being movable between a retracted position in which the blade support (18) is moved by a reset device (22) against a stop of the housing (11), and a fully advanced position, the blade support having a base (23) and a blade cover (24) movable between a closed position and an open position relative to the base (23), and in the closed position, the base (23) and the blade cover (24) firmly secure the blade (19) in a blade seat (41) between the base (23) and the blade cover (24) and in the open position, the base (23) and the blade cover (24) are so oriented relative to each other that a blade can be changed.

Abstract: A razor cover system includes a rear component, a front component, and a magnetic component. The front component is configured to couple with the rear component to form an inner volume of the razor cover system. At least a portion of the shaving razor is to be disposed in the inner volume of the razor cover system. The magnetic component is configured to couple to the rear component within the inner volume of the razor cover system. The magnetic component is configured to secure a portion of the handle to the rear component.

Abstract: A cutting guide having a seam allowance recess and methods of cutting a piece of material with such cutting guide.

Abstract: An arrangement for adjustably enabling the holding of a tool in a tool holder plate for punch press machine. The tool holding arrangement comprises a tool holder plate having a size adjustable tool gripper opening therein. An adjustment bolt bore is arranged adjacent the size adjustable tool gripper opening wherein the adjustment bolt bore has an upper end of conical shape and a lower end opening of pyramidal shape with trapezoidally shaped walls. An expandable adjustment gap is arranged between the size adjustable tool gripper opening and the adjustment bolt bore. A pair of flexure slots are arranged in the tool holder plate, to define a pair of flexible gripper claws therebetween. Changes in the adjustment gap by adjustment of the bolt in the bolt bore enhances the evenly opened size of the tool gripper opening to permit the tool to be properly installed therein.

Abstract: A power shear tool includes a housing portion, a motor positioned within the housing portion, and a tool head portion extending from the housing portion and including a blade rotatable relative to the tool head portion. The power shear tool includes a workpiece support member positioned proximate the tool head portion. The workpiece support member includes a top surface and a bottom surface opposite the top surface, side surfaces extending between the top and the bottom surfaces, a first channel defined in the top surface and extending from at least one of the side surfaces, and a second channel defined in the top surface. The second channel intersects the first channel and extends transverse to the first channel.