Abstract: In a gear main body (1), a mouth opening portion (6) through which a mouth portion can be seen is formed in addition to and separately from an eye opening portion (5) through which both eyes can be seen. A part above the eye opening portion (5) covers a forehead portion, a part between the eye opening portion (5) and the mouth opening portion (6) covers cheek portions and a nose portion, and a part below the mouth opening portion (6) covers a lower jaw portion. A surface-side skin material (2) and a back-face-side skin material (3) are split in a vertical direction between the eye opening portion (5) and the mouth opening portion (6) to form a gap (9). At this gap (9), end portions facing each other at the gap (9) are connected by connecting means in such a manner that left and right spaces between the surface-side skin material (2) and the back-face-side skin material (3) communicate with each other. A shock absorbing material (4) is filled also in the communicating space at the gap (9).

Abstract: An elastic support top 1 is provided having fasteners 4, 5 for attaching to a breast shield 10 for protecting from blows to the breast area. Thus, an improved protective breast shield 10 is provided having an elastic support top 1 attached to the breast shield whereby the support top fits to a body.

Abstract: A seat pad for a cyclist garment, a method of manufacture thereof, and a cyclist garment including the same, are provided. The multi-layer seat pad includes an inner layer for contacting the cyclist, an outer layer for affixing to the garment, and a compressible, resilient middle layer disposed between the outer and inner layers, wherein the outer layer covers less than all of the inner layer.

Abstract: A spit cup includes a cap housing defining an interior area. The spit cup further includes a plurality of disposable liners, at least one disposable liner being removably positioned in the interior area to receive a user's spit. A lid is selectively coupled to the cup housing. The lid includes a stationary portion and a flap that is pivotally coupled to the stationary portion and movable between an open position providing access to the interior area and a closed position preventing access thereto. The lid includes a spring for biasing the flap toward the open position. The lid further includes a catch operatively coupled to the stationary portion and being movable between a first configuration in which the catch interacts with the flap and maintains the flap at the closed position and a second configuration in which the catch allows the flap to move to the open position.

Abstract: A spa having an integrated step is shown; the spa comprises a base, a wall extending upwardly from the base to define an enclosure, a recess and a bottom portion of the exterior wall and a sliding step mounted in the recess, the step being moveable between a storage position inside the spa and an extended position wherein the step may be used to access the interior of the spa.

Abstract: A shower enclosure base has a flow enhancing flush-mounted drain cover that conceals the drain opening and provides a flat stepping surface. Drain flow is achieved through a narrow peripheral passage between the drain cover and the drain well in which it is seated. Despite the reduced flow area of passage, flow enhancing features of the drain cover serve to improve the flow rate through the drain. These features are radially converging ribs at the underside of the drain cover that interrupt the natural tendency for drain water to form a vortex as it passes into and through a circular drain opening. The drain cover can be removably secured to the base by suction cups that attach to the drain well.

Abstract: A support pad includes a recess in an upper surface for receiving an inflatable transfer mattress. The recess may extend to a depth such that an upper surface of the transfer mattress is flush with the upper surface of the support pad when the transfer mattress is deflated. Alternatively, the recess may be adapted for receipt of a transfer mattress having an accessory on an upper surface of the mattress such that an upper surface of the accessory is flush with the upper surface of the pad. The support pad may include side and end portions to form an overlay adapted for placement on an underlying support member having larger dimensions than the transfer mattress. The support pad may also be sectioned to include one or more detachably connected portions to facilitate sliding removal of a transfer mattress from the recess of the support pad.

Abstract: Various embodiments are directed to a bassinet assembly that includes an inclinable floor that can be supported above a support surface using one or more zippers. For example, the bassinet assembly includes a floor and side walls that extend upwardly from and surround the floor. The floor includes an inclinable flap, and a row of zipper teeth are disposed along at least a portion of a perimeter of the inclinable flap. A mating row of zipper teeth are disposed on at least a portion of the side walls, and when one or more zippers engage the rows of zipper teeth to join them together, the inclinable flap is secured at an angle greater than 0° relative to the floor. In addition, various embodiments are directed to a bassinet assembly that can be secured within a play yard using one or more zippers.

Abstract: A bedstead assembly includes a support frame and a top plate unit disposed on the support frame. The support frame includes a rectangular foldable frame member convertible between unfolded and folded states. The foldable frame member includes a plurality of parallel non-foldable plates and a plurality of pairs of foldable plates. Any two adjacent non-foldable plates interconnect pivotally one corresponding pair of foldable plates to define a void space when the foldable frame member is in the unfolded state. The void spaces in the foldable frame member are arranged along a direction parallel to the foldable plates. Pivotable plate portions of the foldable plates are perpendicular to the non-foldable plates when the foldable frame member is in the unfolded state, and are parallel to the non-foldable plates when the foldable frame member is in the folded state.

Abstract: A bedding accessory for storing a plurality of articles in the space fully beneath a bed frame includes a sheet portion, side portions appended to an edge of the sheet portion, and storage compartments formed on the side portions. The sheet portion is placed in substantially covering relation to an upper surface of a mattress support structure. The side portions are arranged to hang downwardly from the sheet portion adjacent the space beneath the bed frame. Each storage compartment is configured to retain at last one article therein and is comprised of an outer panel facing outwardly away from the bed frame and an inner panel facing inwardly toward the space beneath the bed frame. The inner and outer panels of each storage compartment jointly define an opening for receipt of an article, and the compartment substantially retains the article in the space fully beneath the bed frame.

Abstract: A surgery table utilizing first and second sections which are hingedly attached to one another. First and second sections are also connected to supports apart from the hinged portion. An elevator moves one of the sections upwardly and downwardly at the support. The resultant position of the frame formed by the first and second sections may take the configuration of a flat surface or an upwardly or downwardly oriented “vee”.

Abstract: An inflatable bed includes a bedstead assembly, a mattress assembly, and an electrical air pump unit. The mattress assembly is disposed on and above the bedstead assembly, and includes a top sheet, a bottom sheet disposed under the top sheet, and a plurality of surrounding sheets interconnecting the top and bottom sheets to form a plurality of air chambers, which are not in fluid communication with each other. Each of the air chambers is defined among the top sheet, the bottom sheet, and a respective one of the surrounding sheets. The electrical air pump unit is disposed on the bedstead assembly, and is operable to inflate the air chambers individually so that air pressures in the air chambers may be different.

Abstract: A method of determining static and dynamic imbalance conditions in a horizontal axis washing machine utilizes a number of dynamic algorithms to automatically determine the total load size, the magnitude of any static load imbalance, and the magnitude of any dynamic load imbalance for any given load in a given washing machine based on power measurements from the washing machine motor obtained in predetermined speed profiles.

Abstract: A method and apparatus for determining the degree of tangling of fabric items during a wash process based on at least one of the motor speed or motor current.

Abstract: A stay comprises an inclined casing and a bundle of substantially parallel taut reinforcements lodged in the casing and individually anchored in a first and a second anchoring region. According to the invention, the casing and some of the reinforcements are installed by applying substantially uniform tension values to the reinforcements, then several iterations of the following steps are formed: compacting the installed reinforcements, at least at one end of the casing; slipping a further group of reinforcements along inside the casing, in a space left available by the compacted reinforcements; and tensioning each reinforcement of the further group between the first and second anchoring regions so that all the installed reinforcements exhibit substantially uniform tension values.

Abstract: A liquid transport system has a number of access points, referred to generally as nodes, connected to an endless loop of piping such that liquid flowing in the system, to move the liquid from one node to another, flows in two generally discrete paths from a source node to a destination node. In general, any node can be associated with either a liquid source or a liquid destination. A source in a first liquid transfer can act as a destination in a subsequent liquid transfer, and vice versa. A single pigging system can be used to clean substantially the entirety of the liquid transport system among all sources and all destinations, except for leads from the nodes to the sources and/or destinations. The liquid transport system can be cleaned in place, thus to clean all of the piping which runs between the respective nodes in the liquid transport system.

Abstract: A device with a squeegee configuration and an absorbent material positioned between protruding squeegee walls for treating a working surface with wiping edges of the squeegee configuration and the absorbent material is disclosed. A device, in accordance with the invention, comprises a curved squeegee and means for coupling the curved squeegee to a spray nozzle for wiping the working surface with edges of the curved squeegee and spray the working surface with the spray nozzle. A system, in accordance with the invention, comprises a vacuum source, a liquid source and an applicator head with squeegees and apertures wherein a portion the apertures are configured to couple the vacuum source and draw a vacuum on a working surface and a second portion of the apertures are configured to couple to the liquid source and deliver a liquid to the working surface.

Abstract: A hair brush with a cleaning element for removing entwined hair from the brush before or after use. The cleaning element of the brush includes a plate(s) with opening through which the bristles protrude. When the plate is expanded, the plate pushes any hairs entwined in the bristles to the tips of the bristles where they are removed. The brush also has a post mechanism, which allows for the adjustment of the cleaning element to various intermediary positions, effectively adjusting the length of the bristles for use of the brush.

Abstract: Disclosed is a handy mop including a mop body for collecting dust and a handle to which the mop body is to be attached. The mop body is provided with two gaps (b) extending in parallel for attachment of the handle thereto. The handle is provided with an attachment portion and a gripper extending rearwardly upwardly from a root end of the attachment portion. The attachment portion is bifurcated at the root end to provide two insert plates, which are flat and level, and are to be inserted into the gaps (b) of the mop body for use.

Abstract: A wiper drive system including a wiper drive mechanism driving a pair of wiper drive arms to sweep a wiper blade across a surface. The wiper drive mechanism has a motor driving a rack engaged with a sector gear that is supported by pivot bearings. Each wiper drive arm is driven by a sector gear.

Abstract: There is provided an upright vacuum cleaner that can be conveniently and stably operated. In the upright vacuum cleaner, an intake nozzle is provided to suck air, dust, and other material, a body is extended upward from the intake nozzle in a rotatable relationship with the intake nozzle, a dust collector is installed in the body to remove the dust and other material from the air, and a cord reel is installed on one side of the body to accommodate a power cord.

Abstract: A portable blower having a motor unit that includes a drive motor disposed in an engine housing. The blower has a blower unit that is provided with a blower housing that is separate from the engine housing. The blower unit includes an axial fan that is driven by the drive motor via a drive shaft. During operation the axial fan conveys operating air in the direction of the axis of rotation of the axial fan through a blower tube disposed downstream of the axial fan. An ergonomic operation and a good operating result can be achieved if the motor unit includes a guide tube on which is secured at least one handle. The engine housing is disposed at one end of the guide tube and the blower unit is disposed at the other end of the guide tube. The drive shaft extends through the guide tube. The length of the guide tube between the engine housing and the blower unit corresponds to at least half of the length of the blower tube.

Abstract: In the case of an apparatus on a spinning preparation machine, e.g. a draw frame, flat card, combing machine or the like, in particular a double-head draw frame, with at least two driven drafting systems having force-transmitting means for driving drafting rollers of the drafting systems and at least one drive motor, a coupling is present between a drive motor and a drive shaft. To allow the effectiveness and efficiency to be substantially increased in a structurally simple and cost-effective manner, the respective drive chains are connected via a respective controllable coupling to the motor and the rotational speed of the motor can be reduced for the engagement and disengagement process.

Abstract: Restraint apparatus and methods for securing items are disclosed. The restraint apparatus include a retention element including an elongated arm secured to a body. The elongated arm defines a spiral to secure a fitting. The spiral of the elongated arm at least in part may define a gap to receive a fitting. A tether may be secured to the body of the retention element to extend across an item to be secured.

Abstract: A modular columbarium system comprised of modular niche units each having a plurality of urn niches defined therein, wherein adjacent modular niche units are secured to one utilizing an interlocking system that provides alignment and stabilization of the units. The columbarium system is a modular design which facilitates the easy relocation of the modular niche units and the redesign of the columbarium system. The interlocking system connects the modules of the columbarium system to one another to enable easy expansion of the system without diminishing its stability. The modular niche units can also be used with existing columbarium systems. Memorial plates of various sizes are provided to cover the niche openings such that couples or family members can be grouped together under one memorial plate.

Abstract: A method of manufacturing an ink-jet head according to the present invention includes a step of providing a vibration plate in which grooves associated with respective pressure chambers are formed on a surface of the vibration plate, and a piezoelectric layer forming step of forming a piezoelectric layer by depositing particles of a piezoelectric material on the surface of the vibration plate on an opposite side of a channel unit. Since grooves corresponding to the grooves in the vibration plate are formed also in the piezoelectric layer, it is possible to reduce a cross talk between operating sections of the piezoelectric layer. Further, chip and crack is hardly developed in the piezoelectric layer.

Abstract: A method for machining particularly spectacle lenses by means of a machine which comprises at least one cutting unit and at least one turning unit in a common working space, wherein at least two spectacle lenses are machined at the same time in the working space, one of said spectacle lenses being cut while the other is turned. The machine frames of the cutting unit and of the turning unit are essentially decoupled from one another in terms of vibration and/or at least two machining units of the machine comprise workpiece spindle units for generating a transverse movement of the spectacle lens to be machined with respect to the respective tool, the workpiece spindle units being arranged essentially perpendicular to one another. As a result, it is possible for spectacle lenses to be machined in an extremely short time with high machining performance and with high surface precision and quality.

Abstract: The present invention relates to a press which comprises a pressure vessel having an internal closure. The internal closure comprises a cover, a number of elements for transmitting forces in pressurized operation between the cover and the inner wall of the pressure vessel. Each element has a first contact surface adapted to fit a contact surface of the cover and a second contact surface adapted to fit a contact surface of the inner wall of the pressure vessel. Said elements are movable away from said contact surface of the cover and said contact surface of the inner wall of the pressure vessel in the direction of the longitudinal centre axis of the pressure vessel. The invention also relates to a method for opening a pressure vessel.

Abstract: A specific illustrative embodiment of the present invention is disclosed here. The disclosed die tool that will assemble dissimilar materials to form a carrier plate of steel material and an insert of bearing grade material. One die used in the tool is carrier plate itself. The carrier plate provides a die opening to blank and pierce the bearing material into the steel material cavity.

Abstract: A stent has surface sculpturing, preferably on its outer surface only, having, for example, microspheres, having the function of increasing the actual geometric surface area of the stent, of creating undercuts and roughness to encourage the application of coatings of active or activatable agents, as well as of improving the attachment of the stent to the blood vessel wall.

Abstract: A blind fastener (11) for installation in a thermoplastic workpiece, which blind fastener has a leading end face (21) which is substantially flat and non-abrasive and without drilling teeth, so that when the leading end face of the fastener is held in contact with the near face of the thermoplastic workpiece (22) and heat and pressure are applied to the contacted area of the workpiece by means of the leading end of the fastener, the fastener progressively forms a hole through the thermoplastic workpiece in which hole it can then be installed.

Abstract: According to some embodiments of the invention, a system for securing a helmet to the head of a user is provided. The system includes a helmet body, and a roll cage disposed substantially within the helmet body. The system also includes at least a portion of a helmet retention system coupled to the roll cage so that a force applied to the strap is transferred to the roll cage before being transferred to the helmet body.

Abstract: A method for installing a grounding clip into an antenna tube, comprising providing the antenna tube having a cylindrical tube, an upper end and an inner end opposite the upper end, a circumferentially extending groove in the cylindrical tube located between the upper end and the inner end and a tapered lip at the inner end of the cylindrical tube, providing the grounding clip having a resilient base ring, the base ring having an outer circumference for contact with the antenna tube and a gap in the base ring and at least one resiliently flexible contact pin being affixed to and extending from a first end of the base ring, deforming the grounding clip, inserting the deformed grounding clip over the circumferentially extending groove and releasing the clip to allow the clip to expand, wherein the expanded clip is held between the circumferentially extending groove and the tapered lip.

Abstract: Embodiments of the present invention provide a head gimbal assembly manufacturing method which can attach another magnetic head slider to a suspension to be reused without addition of solder. According to one embodiment of the present invention, a head gimbal assembly (HGA) is attached to a jig. Both sides of a portion close to the rear end of a magnetic head slider are gripped with hot tweezers heated at about 200° C. They are heated for about four seconds while applying force in a direction of peeling off the magnetic head slider from gimbals, thus removing the magnetic head slider from the gimbals. When another magnetic head slider is attached to the suspension, an adhesive adhered to the gimbals is removed and another adhesive is applied to the gimbals. The back of another magnetic head slider is pressed to the adhesive, whereby the magnetic head slider is fixed to the gimbals. Next, the solder fillet left on the gimbals is irradiated with laser beams to be melted and joined to an electric terminal.

Abstract: An apparatus and a method for manufacturing a magnetic head slider are to improve product quality of the magnetic head slider while simplifying the process and reducing the manufacturing time. The apparatus includes: holding devices for holding the both ends of a block member of an array of the magnetic head sliders respectively; a cutting device for cutting out a potion in which the magnetic head sliders are to be formed from the block member; and a cut surface treatment device having cut surface treating parts on the front and back surfaces of the cutting device for treating cut surfaces opposite to each other which form the predetermined two cut surfaces of the magnetic head sliders.

Abstract: In an MR element, each of a pinned layer and a free layer includes a Heusler alloy layer. The Heusler alloy layer has two surfaces that are quadrilateral in shape and face toward opposite directions. The Heusler alloy layer includes one crystal grain that touches four sides of one of the two surfaces. In a method of manufacturing the MR element, a layered film to be the MR element is formed and patterned, and then heat treatment is performed on the layered film patterned, so that crystal grains included in a film to be the Heusler alloy layer in the layered film grow and one crystal grain that touches four sides of one of the surfaces of the film to be the Heusler alloy layer is thereby formed.

Abstract: A base plate for magnetic disk drives is provided that includes a hooked protrusion integrated therein between adjacent spindle motor coils. The cross-over wires that span between adjacent coils are secured by the hooked protrusions, thereby optimizing coil height and reducing manufacturing steps. The hook-like protrusions of one embodiment of the present invention are preferably stamped into the base plate.

Abstract: The present invention provides a method for forming a surface graft, comprising the process of applying energy to the surface of a substrate containing polyimide having a polymerization initiating moiety in the skeleton thereof, to generate active points on the surface of the substrate and to generate a graft polymer that is directly bonded to the surface of the substrate starting from the active points and that has a polar group, and a surface graft material obtained thereby.

Abstract: Provided is an electron-emitting device using a carbon fiber as an electronic member. A carbon fiber through which a cathode electrode and a control electrode are short-circuited is removed to obtain an electron-emitting device having a uniform electron emission characteristic. A first electrode including a plurality of fibers each containing carbon and a second electrode are prepared. Then, a voltage is applied between the first electrode and the second electrode with a state where a potential of the first electrode becomes higher than a potential of the second electrode to remove a carbon fiber through which the first electrode and the second electrode are short-circuited.

Abstract: A method of producing an overmolded electronic assembly including a circuit board and a flexible circuit interconnect by fixturing the assembly in a mold cavity such that a portion of the flexible circuit protrudes from the mold, and providing a compressible elastomeric interface between the mold and the flexible circuit to seal off the mold cavity and protect the flexible circuit from damage due to the clamping force of the mold. The portion of the flexible circuit within the mold cavity is pre-coated with a material that ensures good adhesion with the molding compound, and a heat exchanger thermally coupled to the portion of the flexible circuit that protrudes from the mold protects the flexible circuit from damage due to thermal conduction from the mold and mold compound.

Abstract: The present invention relates to a resilient material lined stator and method of forming. A method of forming a resilient material lined stator can include disposing a resilient material tube 400 with a profiled helical inner surface 401 into the bore of a body 420. A cast material 410 can be disposed therebetween. The cast material 410 can bond to the body 420 to form a resilient material lined stator or the body 420 can be removed. The cast material 310 can include a conduit 312 or conductor 314 extending therethrough. The cast material 310 can include a pathway 316 formed therethrough. The resilient material can be an elastomer.

Abstract: A method of manufacturing a rack guide base body wherein a cavity (40) is formed which has a pair of semicylindrical convex surfaces (44a and 44b) and a pair of flat surfaces (45) each located between the semicylindrical convex surfaces (44a and 44b), and has a recessed surface (41) located on one axial end portion side inwardly of the semicylindrical convex surfaces (44a and 44b) and the flat surfaces (45) and a cylindrical surface (42) located on the other axial end portion side inwardly of the semicylindrical convex surfaces (44a and 44b) and the flat surfaces (45); a hollow portion (9c) is formed for allowing the cavity (40) to communicate with a hollow portion (10c) at one flat surface (45) and with a hollow portion (8c) at the other flat surface (45); a rack guide base body (50) is die cast by forcing molten metal of aluminum from the hollow portion (10c) into the cavity (40); and runners (56) integrally joined to flat surfaces (55) of the rack guide base body (50) formed by the respective flat surfaces

Abstract: A method includes shrink fitting a ring member about a railroad wheel body and metallurically bonding the ring member to the railroad wheel body. A wheel assembly includes an inner portion obtained from a worn railroad wheel, a ring member disposed about the inner portion, and suitable electroplating material disposed on at least one of the faying surfaces. The wheel assembly may be heated under suitable conditions to provide diffusion bonding across interfacing faying surfaces to produce an integral wheel structure. Appropriate quenching, tempering, and finishing processes may be utilized to obtain desired properties. An article formed thereby includes an inner body portion obtained from a worn railroad wheel and a metallurically bonded outer circumferential portion. The outer portion may comprise a composition selected for desired wear characteristics.

Abstract: A method of manufacturing a corner module assembly wherein a wheel hub is attached to the knuckle and the knuckle is held by a clamping force applied through locator pads and thereafter a radial mounting surface and first and second bosses on the knuckle are machined into parallel alignment with the bases of the locator pads. After a rotor is fixed against the machined radial mounting flange, the first and second braking surfaces on the rotor finished machined, if necessary, into the same parallel alignment with the bases such that first and second friction member retained in a caliper are located in parallel alignment with the first and second braking surfaces when the caliper that is attached to the first and second bosses on the knuckle and finally attachments surfaces on the knuckle are machined. This sequentially machining substantially eliminates assembly tolerances of the corner module assembly.

Abstract: Systems use mounting devices arranged to support a hollow post on or position the hollow post around a pipe. One lower mounting device slides along the pipe prior to fastening thereto to allow change or adjustment of a height at which the hollow post is to be supported on a base of the device. Another mounting device can be used with or without a base-defining attachment to facilitate selective use of the device to either support the bottom end of the post on the optional base or instead just engage the post's interior surface at any point along the post for positioning thereof about the pipe. Another mounting device is directly fastenable to the pipe through a wall projecting from the device's body or alternatively cooperable with a second body mountable on the pipe for engagement with this second body in different positions relative to the pipe.

Abstract: A shaving razor having a housing. The housing includes a plurality of shaving blades and a separate trimming blade. The trimming blade has a trimming blade edge. A trimming blade alignment member is provided on the housing for aligning the trimming blade edge which is visually concealed by said housing on a user's skin for accurate shaving.

Abstract: A dry shaver has an elongated shaving head with a lengthwise axis. The shaving head carries semi-cylindrical first and second outer cutters disposed on its opposite width ends, as well as a semi-cylindrical finishing cutter and a slit cutter interposed between the first and second outer cutters. The finishing cutter has a finishing foil which is deeply curved than a foil of the first and second outer cutters into an arcuate contour having a width less than that of the first and second outer cutters. The finishing foil disposed behind the first outer cutter comes into contact with a user's skin to make closer shaving than the first and second cutters.

Abstract: A combination utility and sporting knife includes a longitudinal knife handle, a utility blade carrier disposed within the handle and linearly movable within the handle, a utility blade carried by the blade carrier, a manual movable blade moving member operatively connected with the blade carrier, and a pivotally movable blade pivotally connected to the handle. The utility blade and the pivotally movable blade are extendable from opposite ends of the handle. The utility blade edge and the pivotally movable blade edge both are exposed towards the bottom portion of the handle when the pivotally movable blade and the utility blade are in operative positions thereof so that the bottom and top portions of the handle retain their relative bottom and top orientations for use of either the utility blade or the pivotally moveable blade.

Abstract: An engine is connected to the upper end of a drive shaft housing and a work head with a string trimmer or blower or both is operatively connected to the lower end of the drive shaft housing and is rotatably driven by an engine rotating a drive shaft inside the drive shaft housing and connected to the working head. The drive shaft housing is rigidly connected to the working head and may be rotated about its longitudinal axis relative to the engine in any desired amount of rotation, but the preferred degree of rotation is 135° to move the working head from a trimming position with the rotating trimmer string in a horizontal position to an edging position with the rotating trimmer string in a vertical position and with the working head being displaced to the operator's right side for better viewing and control and operator comfort.

Abstract: An undercut saw including a housing, a motor within said housing, a drive shaft rotated by said motor, and a blade mount mechanically linked to said shaft such that a circular saw blade mounted on said mount is rotated when the motor rotates the drive shaft. A fixed blade guard circumscribes a portion of the blade and allows selectable height adjustment of the blade. A stabilization bar on the fixed blade guard may be extended to make the device more stable. On the underside of the fixed blade guard a dust channel allows dust to be swept by the rotating blade into a dust port. The dust channel allows positioning of the dust port away from the leading edges of the fixed blade guard.