Abstract: A protective apparatus and a machine tool are provided. The machine tool includes an operational element, a driving element, and the protective apparatus. The operational element and the driving element are disposed on machine table. The protective apparatus includes an insulating unit, conducting unit, capacitance sensor, and control unit. The insulating unit is disposed between the operational element and the driving element. The driving element drives the operational element by the insulating unit. The conducting unit contacts the operational element. The capacitance sensor electrically connects the conducting unit for sensing capacitance of the conducting unit. The control unit electrically connects the capacitance sensor and the driving element and determines whether a user approaches the operational element based on the capacitance. When the control unit detects that the distance between the user and the operational element is too close, the control unit stops the operation of the operational element.

Abstract: The invention relates, inter alia, to a knife with a housing comprising a first housing part (12) and a second housing part (13) and also a blade carrier (20), in which a blade (15) is retained, wherein the first housing part (12), in particular for a blade changeover, can be released from the second housing part (13) and fastened thereon again, wherein the blade carrier (20) is mounted in the housing (11) such that it can be moved between a basic position and a cutting position. The special feature is that the blade carrier (20) is connected to the second housing part (13) in a non-releasable manner, and that the blade carrier (20) and the second housing part (13) form a preassemblable structural unit which can be fastened on the first housing part (12) in a releasable manner.

Abstract: A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding member, the spool is used to wind a cutting line, and the line holding member is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding member to make the spool and the line holding member rotate relatively so that the cutting line is wound on the spool automatically.

Abstract: This invention is based, at least in part, on use of a tissue collector that reduces or eliminates manual steps in collecting and transferring tissue sections from a microtome to a slide. This invention relates to apparatus and methods for automated tissue sectioning, including slicing and transferring a tissue section from a microtome. The invention also relates to automated systems and methods for slicing and transferring a tissue section onto a slide.

Abstract: A slicing guide apparatus for reducing perishable foods into small, bite-sized pieces, the apparatus having a hollow cylindrical frame defining an open top end, an open bottom end, at least a first set of pair of elongated, vertical slots, at least a second set of pair of elongated, vertical slots that are perpendicular in orientation to the at least first set of pair of elongated, vertical slots, wherein the width of the at least first set of pair of elongated, vertical slots and of the at least second set of pair of elongated, vertical slots permits a cutting utensil to pass therethrough, at least one elongated, vertical rib that protrudes outward from the exterior of the frame and indicia affixed to the frame.

Abstract: The present invention discloses that the weighing of produce sliced by a slicer needs to be weighed in order to meet the desired amount of sliced product. In an improvement of the art, the platform for catching slices of produce is also the platform of a scale positioned directly underneath the platform. In addition, automatic stop can be used to allow for automatic slicing of a desired amount of product.

Abstract: The present invention is directed to a hair cutting apparatus (600), such as a shaver, which is enabled to detect whether hair is currently being cut in a robust way. Such apparatus has a motor (102) for driving a cutting element. The motor current (106) is evaluated by filtering and amplifying it in such a way that a time derivative of the motor current (106) is processed and other parts of the motor current (106), such as noise and DC-5 parts, are eliminated. An evaluator determines whether the time derivative of the motor current is above a predefined threshold value.

Abstract: Apparatus and method for separating product containing pouches from a travelling web of adhered films carried on a film support surface includes a rotary blade drum assembly having blade configurations with blade portions arranged to form the entire perimeter edge of the flange of the pouch which rotate in synchronous registration with grooves in the film support surface. In one form, at least one blade portion and associated groove portion are non-linear and other than longitudinal or transverse to the film support surface of the forming drum or travelling web of films. The blade portions may be heated and the rotary blade drum assembly may include insulating guides for the pouches.

Abstract: Replaceable shaving assemblies are disclosed that include a razor cartridge having a blade geometry that is designed to provide a close, comfortable shave. Shaving systems including such shaving assemblies are also disclosed, as are methods of using such shaving systems and methods of manufacturing these cartridges.

Abstract: A pole saw apparatus includes a saw blade, a pole, and a tubular adapter connecting the saw blade to the pole. The adapter includes an obround blade-receiving end that stably telescopingly engage sides of the blade-receiving end, with bolts fixing the blade on the adapter. The adapter also includes a pole-engaging end that is cylindrically shaped to telescopingly engage the anchoring end of the pole. A friction clamp includes a transverse shaft extending through the pole, the shaft being shaped to slide into longitudinal slots in the pole-engaging end of the adapter and then rotate into circumferential slots where it is not longitudinally removable. A rotatable cam handle on the clamp is manipulated to create circumferential friction to hold (or release) the adapter on the pole. The blade, adapter and pole align along a common centerline for robust and balanced use.

Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer includes an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head includes a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further includes a cord delivering mechanism; the cord delivering mechanism includes a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.

Abstract: A shaving razor having a head and a first handle to provide a first use configuration with the first handle operable to be rotatably secured to a second handle to provide a second use configuration of the shaving razor with an articulating head.

Abstract: One mode of the invention relates to a producing a device for chopped fiber bundles having a chopper unit including a cutting blade for cutting long fiber bundles, a guide for restricting the travel direction of the fiber bundles to be supplied to the cutting means, and a structure, provided between the chopper unit and the guide, that widens the fiber bundles. The invention also relates to method for producing chopped fiber bundles by widening fiber bundles while restricting the travel direction of the long fiber bundles to be supplied to chopper unit by a guide, and obtaining chopped fiber bundles by cutting the fiber bundles with the chopper unit.

Abstract: A saw blade includes a blade backer with a pair of side surfaces that extend substantially parallel to each other. An intermediate surface extends between the pair of side surfaces of the blade backer. A plurality of teeth extends from the intermediate surface. The plurality of teeth includes an asymmetrically ground tooth tip having a first rake face angle and a symmetrically ground tooth tip having a different, second rake face angle.

Abstract: A portable zero clearance circular saw including a motor frame portion with a transverse oriented drive shaft and arbor coupled to the drive shaft, a handle portion with a hand grip coupled to the motor frame portion aft end, a planar blade deck on a first lateral side, a movable blade shield rotatably mounted coaxial with the drive shaft and having a sidewall with a edge face coplanar with the blade deck, a trigger proximate the hand grip to move the blade shield, and a blade couplable to the drive shaft against the arbor, such that the blade outer surface is flush with the blade deck and blade shield sidewall. The handle portion may be rotatably coupled to the motor frame portion, and may include two laterally disposed blade shield triggers operably coupled to the blade shield via a dual pulley system.

Abstract: A device for slicing foodstuffs by means of a liquid jet includes an advancing device for transporting the foodstuff in an advancing direction, said advancing device having a processing region on which the foodstuff bears and in which the liquid jet is directed onto the foodstuff, an exit nozzle, disposed in the region of the processing region, from which exit nozzle the liquid jet exits, wherein the processing region below the foodstuff has a jet passage opening for the liquid jet exiting from the foodstuff, and a jet receptacle for the liquid jet and the discharge of the latter is provided below the jet passage opening.

Abstract: A knife assembly including a flat knife blade, a holder, a clamp arranged for clamping the knife blade onto the holder, and a fastening mechanism for securing the knife blade between the clamp and the holder. The clamp has clamping parts along a clamping line rearward from the front edge. The clamp includes clamping geometrical elements, corresponding to complementary contact geometrical elements of the knife blade, positioned at least in part at a different distance from said front edge than the clamping line. The clamp engages the knife blade along the clamping line and at the corresponding contact geometrical elements.

Abstract: A shaving blade cartridge includes a housing extending along a longitudinal axis. The housing has a top side, a bottom side opposite to the top side, and two longitudinal sides extending along the longitudinal axis between the top and bottom sides. The shaving blade cartridge also includes a cutting blade mounted in the housing between the longitudinal sides and having a cutting edge extending along the longitudinal axis, and a retainer including a retainer body disposed above the cutting edge. The retainer body has at least two through holes. One of the through holes is disposed in front of the cutting edge and another of the through holes is disposed rearward of the cutting edge. The housing includes at least two riveting pins. Each of the two riveting pins correspond with and are received in a respective one of the through holes to retain the cutting blade in the housing.

Abstract: Systems and methods for downsizing tires, and an automated downsizing apparatus utilize a cradle, mandrel table, cutting apparatus, and a control unit. In various embodiments, a tire mounted on the cradle may be received by the movable and rotatable mandrel table, and positioned for engagement with the cutting apparatus. Users may customize one or more cutting configurations to be executed by the control unit. The control unit positions the mandrel table and cutting apparatus to remove portions from the tire, according to the cutting configurations. During tire downsizing operations, one or more system parameters may be monitored to determine compliance with the selected configuration, and the automated execution may be manually overridden.

Abstract: An accessory includes a blade, a coupling, and a guide. The blade includes a cutting edge. The coupling includes a first portion and a second portion. The first portion is attachable to and detachable from the power tool. The second portion is connected to the blade. The guide is structured to guide the blade along a work piece by interacting with a surface of the work piece as the blade moves in an advancing direction. The guide is structured to provide a locked state and an unlocked state. In the locked state, the guide is engaged with the coupling such that the guide is attached to the coupling. In the unlocked state, the guide is disengaged from the coupling such that the guide is detached from the coupling.