Abstract: A cleaning apparatus for cleaning a surface is provided. The cleaning apparatus has a housing for movement along a surface with a suction nozzle assembly having an inlet and outlet provided on the housing. A recovery container is removably mounted to the housing. A hose having a first end detachably connected to the outlet of the suction nozzle and a second end in fluid communication with the recovery container floor-scrubbing machine is provided. A vacuum source is in fluid communication with the suction nozzle, hose, and recovery container for drawing dirt from the cleaning surface into the inlet of the suction nozzle and into. The cleaning apparatus further includes a handle movably connected to the housing and movable between a first position that locks the first end of the hose to the housing to a second position that unlocks the first end of the hose to the housing.

Abstract: An attachment for use with a vacuum cleaner, includes a suction nozzle, a conduit communicating the nozzle with the vacuum cleaner, and a support plate. A pivot joint connects the support plate to the suction nozzle. A cleaning sheet is selectively attached to the support plate for collecting dust and dirt to be cleaned.

Abstract: A wire management grommet includes an outer peripheral member and an inner perforate member. The outer peripheral member is constructed and arranged to frictionally engage a planar surface, usually a desk or tabletop. The outer peripheral member is formed from a first rigid material having sufficient mechanical stiffness for effective frictional engagement with the planar surface and the cooperating aperture. The inner perforate member is formed from a second flexible material and is overmolded using conventional injection molding techniques to the said outer peripheral member to form a unitary grommet. The second flexible material is chosen to have sufficient flexibility to permit passage of disparate cable combinations through the inner perforate member.

Abstract: A caster includes a yoke having a yoke leg with a yoke leg axle opening through the yoke leg. A wheel having a hub and a hub axle opening through the hub is attached to the yoke leg with an axle bolt. A thread guard is located between the hub and the yoke leg. The thread guard has a disk-shaped body with a thread guard axle opening through the body for receiving the axle bolt. The thread guard further includes an outer surface facing toward the yoke leg and an inner surface facing toward the hub, and the outer surface includes a raised ridge extending away from the body. The ridge substantially surrounds and conforms to the shape of the yoke leg. The ridge preferably extends from the body past the outer surface of the yoke leg.

Abstract: An annular groove part with a predetermined depth is formed in a rotation body, and a wall surface of the annular groove part is sealed by a second protrusion elongated annular part formed in an inner circumference of a rotor attached to the annular groove part, and a wall surface of the annular groove part is sealed by a first protrusion elongated annular part formed in an outer circumference of the rotor, and grease is sealed in the inside. When the rotor is engaged in a support body and the rotation body is rotated, rotation of the rotor is regulated, so that the rotation body is damped by fluid resistance of the grease and is slowly rotated. The rotation body is supported by a support shaft inserted into a shaft hole.

Abstract: A brake mechanism includes an input, a chassis, a lock and a release mechanism. The input is an axially extending input having first and second ends. The chassis interfaces with the input such that the input is movable relative to the chassis. The lock is coupled to the chassis for constraining movement of the input relative to the lock. The release mechanism is coupled to the lock and is responsive to a force applied relative to the input and the chassis such that when the force is greater than a release force level the release mechanism allows the lock to disengage the input and such that when the force is less than the release force level the release mechanism does not allow the lock to disengage the input.

Abstract: A leveraged end cap, which can be removably placed onto existing batons, permits a user to grasp a baton at a lower position along the baton. The leveraged end cap defines a location that can be grasped using the little finger, or pinky, of the hand such that the baton is pivoted about the little finger providing an additional length of lever arm equivalent to about one hand length. The baton held in this manner is locked into place until released, such that slippage or accidental dropping of the baton are minimized. The increased lever arm created by the use of the leveraged end cap allows the user to generate a strike force in the baton equivalent to a longer length baton, permitting the user to adopt a smaller, more easily concealable and lighter weight baton.

Abstract: A dual-directional hinge for a portable device with a body and a monitor such as a mobile phone, a notebook computer or a PDA is disclosed. The hinge is composed of a first supporting member, a second supporting member, a seat, a vertical axle, and a horizontal pintle. The first supporting member is mounted on the monitor, and is rotatably mounted on the second supporting member by the vertical axle. The second supporting member and the seat are rotatably mounted on the body by the horizontal pintle. Thus, the monitor can be turned about the horizontal pintle to be raised from the body, and can be turned left or right about the vertical axle to change the horizontal viewing angle.

Abstract: In a device on a draw frame for textile slivers, having roller pairs arranged one after the other and a cleaning device, for example a cleaning lip, cleaning rod, for each upper roller, in which the loading device for each upper roller has at least two presser elements, the cleaning device is mounted on the loading device. In order to avoid impairment of the resilient covering of the upper roller when a presser element has been raised and to allow adaptable and stable guidance/mounting, each cleaning device is mounted by its ends on a presser element and the presser element has a bearing element for the cleaning device.

Abstract: A draw frame has a drawing mechanism comprising at least two pairs of rollers to which the fibre slivers are fed by a plurality of supply rollers mounted on a feed table. The fibre slivers—seen in a top view—run next to one another and towards one another laterally, and a guide element is provided between a feed table and the drawing mechanism, the lateral faces of which guide element are capable of directing the incoming fibre slivers laterally. In order to allow uniform transfer of the slivers and to enable the slivers to be oriented substantially in a plane, a sliver-guiding device is arranged across the width upstream of the guide element at a spacing therefrom at which the fibre slivers are arranged substantially in a plane, the fibre slivers passing through underneath and in contact with the sliver-guiding device.

Abstract: The invention relates to an evaporative crystallisation process to make salt compositions which includes a step wherein a mother liquor containing an effective amount of a crystal growth comprising at least one saccharide or saccharide derivative is formed, to form high-purity salt. The salt can be washed with a reduced amount of washing water while still containing lower amounts of K, Br, SO4 and/or Ca. The high-purity salt can be obtained after drying of the salt crystals formed. A wet salt can be obtained by partially drying said salt crystals.

Abstract: A branch wire tie band including a strap portion on which ratchet grooves are formed, the strap portion extending from a head portion within which a strap locking channel is formed. A curved attachment coil, which is preformed as an integral portion of the strap portion, is placed around the branched portion of a wire harness after which the strap portion is inserted and locked into the band locking channel. The tie band may includes two tie band strap portions extending from respective head portions and an anchor plate within which left and right through holes are formed. The two tie band straps may be inserted through the left and right through holes in the anchor plate from where they extend diagonally, their tip portions crossing, and their head portions prevented from passing through the through holes.

Abstract: What is disclosed is a cable management system having a flexible main strap with an upper portion adapted to be secured to a first supporting surface in an electronic device, a middle portion with a plurality of mini straps attached thereon, and a lower portion adapted to be secured to a second supporting surface in the electronic device. The mini straps are capable of forming loops around a cable or cable assembly to restrict movement of the cable or cable assembly. Also disclosed is a method for managing cables in an electronic device. The method contains the steps of: attaching an upper portion of a main strap having a plurality of mini straps attached thereon to a first surface on the electronic device; organizing cables in the electronic device using the mini straps attached to the main strap; and attaching a lower portion of the main strap to a second surface on the electronic device.

Abstract: A zipper slide is adapted to a zipper on a shoe for simultaneously combining/separating two zipper tapes of the zipper and fastening/loosing two laces of the shoe. The zipper slide includes a slide body, a pull tab, a bottom cover and a gripping block. The slide body has two guiding grooves providing for the two zipper tapes of the zipper, respectively. The pull tab is coupled to the slide body. The bottom cover is assembled to a bottom portion of the slide body. Two tracks are defined between the bottom cover and the slide body. A space is positioned between the two tracks. A gripping block is forward/backward movably arranged in the space. The gripping block has two gripping surfaces at two sides thereof. The two gripping surfaces are respectively extended into the two tracks thereby to grip the laces passed through in the tracks.

Abstract: A zipper with a smooth pull function comprises a zipper body, a flexible element and a puller. Wherein the zipper body includes a top plate having a leveling portion formed at one side thereof and a bottom plate having a smooth portion formed at one side thereof. The puller and the flexible element are connected on the top plate of the zipper body. When using the puller to move the zipper body along a plastic-steel zipper chain, the level portion and the smooth portion are contacted to the zipper chain first for providing a level and a smooth function to smoothly pull the zipper along the zipper chain.

Abstract: A reusable seal applicable to a slender portion of a commercial article, comprising a first plate and a second plate which are arranged side by side and are joined at corresponding edges by at least one elastically deformable hinge body. The first and second plates are provided monolithically, on the respective edges arranged opposite the at least one hinge body, respectively with a first wing and a second wing, which can be mutually coupled, by way of reversible engagement elements, in order to accommodate and lock the slender article portion between the first and second plates.

Abstract: A low-profile heavy-duty buckle includes a male member having two forward elastic retaining arms, and a female member having two receiving spaces corresponding to the retaining arms of the male member. The retaining arm is elastically exposed from and retained to a side opening provided on a sidewall of the receiving space when the male member is plugged into the female member. The retaining arm further includes an inward extended extension portion having a first retaining block with a first toothed face provided near a distal end thereof. The receiving space is internally provided with a downward extended second retaining block having a second toothed face opposite to the first toothed face. The first and the second toothed face firmly engage with one another to provide the buckle with an enhanced force-bearing strength when the connected male and female members are subjected to two opposite pull forces.

Abstract: A snap-in coupling for releasably connecting a first structural member and a second structural member. The snap-in coupling comprises a female coupling member comprising a plastic support member and a metallic spring clamp, said support member being insertable into a socket provided at said first structural member such that the female coupling member is retained therein, and a male coupling member comprising a mounting portion for being fixed to said second structural member, and a head portion. Said spring clamp and said head portion are arranged to snappingly engage each other when said female coupling member and said male coupling member are inserted into each other.

Abstract: A decorative ornament is attached to a casket having an ornament attachment plate. The ornament may be attached to corner member or other portion of the casket. Each ornament attachment plate has a pair of grooves including a straight groove and a curved groove for receiving fasteners on the back of the ornament.

Abstract: A tool for the removal and replacement of valve springs on the cylinder head of an internal combustion engine while the cylinder head is either mounted to the engine block within the vehicle or is positioned on a work bench apart from the engine. The tool comprises a bracket component that is mounted by a number of bolts to the cylinder head to be worked on. The bracket includes a number of upright threaded bolts each associated with an adjacent upright guide. A pressure plate is progressively positioned on each set of the upright bolts and upright guides. Beneath the pressure plate are positioned two (or more) valve guides that engage the outer upper perimeter of two or more valve springs. A nut is threaded on to the upright bolt in a manner that forces the pressure plate and the valve guides downward onto the valve springs. Compression of the springs releases the split rings or collars that hold the valve springs to the valve stems.

Abstract: The present invention has as its object to perform the recycling of metal materials by efficiently recovering the metal materials from component materials of a process cartridge. To achieve this object, there is provided a method of recycling a process cartridge containing a toner, wherein in a crushing process of a process cartridge containing a recovered toner, a container shape of the process cartridge is subjected to disassembly treatment to an extent of main component parts, the toner is recovered by suction in a step of disassembly treatment, metal materials, such as ferrous materials and aluminum materials, in component materials of the process cartridge are subjected to separation treatment after the step of disassembly treatment, and each of the materials is subjected to melting treatment thereby to change the materials into forms capable of reuse as ferrous materials and aluminum materials.

Abstract: A diagnostic reagent for use in the evaluation of a pharmacological effect of a medicine containing a pharmaceutical agent including an enzyme, an enzyme inhibitor or a receptor ligand or a prodrug of the pharmaceutical agent; and a method of screening pharmaceutical agents each comprising an enzyme, an enzyme inhibitor or a receptor ligand and/or prodrugs of the pharmaceutical agents for one or noes having high medicative efficacy and/or a small side effect are provided.

Abstract: A method for manufacturing a hub in particular for bicycles and the like, wherein a winding device comprising at least a first shaping device is provided, a predetermined quantity of fibers is deposited on said first shaping device, at least a first cross-linking agent is deposited on at least part of the fibers, said first shaping device is inserted into a second shaping device and said first shaping device with at least said fibers and at least said first cross-linking agent is expanded toward said second shaping device, wherein said shaping devices are matched relative to each other such that an expanded body comprising said fibers and said cross-linking agent has a substantially even thickness.

Abstract: Aspects of the invention relate to a fixture and a method to assist in the alignment of the inlet end of a transition duct and a combustor component in a turbine engine. Among other things, the fixture can include a flange adapted for mounting to a combustor component, an elongated mandrel, and a plurality of radially extendable jaws. After mounting the fixture to a combustor component, the jaws can engage an inner peripheral surface of a transition so as to properly align the transition with a target axis of alignment. The fixture can be configured to measure the size of any shims needed at the base of the flexible support bracket. Further, the fixture can also include various gauges to validate the alignment of the inlet end of the transition.

Abstract: A method and apparatus for aligning opposed telescopically engageable cut ring and blank and draw die when mounted in a can body forming press to form non-round disc-shaped blanks which are subsequently formed into container bodies. A pair of opposed precision formed notches are formed in the peripheries of the spaced press components and a precision formed key having end portions which match the shape and size of the notches are inserted into the notches after the components have been placed in general alignment with each other in the press. Either or both of the components are then rotatably adjusted until the key is seated properly in the notches afterwhich the components are secured in the adjusted position. The key is then slidably removed from the spaced notches. Spaced ends of the key are precision formed to match the shape of the notches and a pair of stabilizing legs extend outwardly from the key to assist in aligning the key in the notches.

Abstract: A self-attaching fastener installation head and feed mechanism including a spring-biased L-shaped feed pawl which feeds a first nut in the feed passage adjacent the plunger passage on the upstroke of the die press. The feed pawl is pivotally supported on a slide bracket which includes a roller in the longitudinal axis of the feed passage which is biased against a central cam surface on the base and the base is interconnected to the nose member by removable pins. A spring biased nut restrictor is pivotally supported on the nose member, simplifying removal of a nut strip from the head and the installation head is more rugged in design and has fewer parts, reducing costs.

Abstract: A method of configuring a hard disk drive with a transparent cover allows the elements of the disk drive to be observed while they are in operation. The cover also can be tinted with different colors or made somewhat translucent for further differentiation. In addition, decorations and/or various patterns, such as a diffraction grating pattern, may be placed or formed on the cover, the hub, and/or the actuator to further emphasize particular aspects of the disk drive. A flashing device can also be used to accentuate the rotational motion of the disk and/or hub.

Abstract: A quickly-coupled delivery device for automatic machines for applying buttons and other metal fittings on a support comprises a hopper and a rotary bell which is rotatively driven by a driving shaft, in turn driven by a belt transmission, provided with a quick coupling system for operating the rotary bell, and adapted to allow the belt transmission to be received inside the body of the machine. The inventive device, owing to its quick coupling system arranged on the bell driving shaft, so as to allow the drive belts to be brought inside the body of the machine, facilitates and simplifies the delivery device opening operations; moreover, the quick coupling of the rotary bell on the driving shaft facilitates the empting operations for removing from the bell the metal fittings.

Abstract: Horizontal guide rails are mounted on a base and receive linear bearings mounted on the bottom of a tower which carries vertical guide rails receiving linear bearings mounted on a vertical carriage plate. Linear bearings are mounted on the carriage plate and support a horizontal guide rail secured to a horizontal lift arm having an outer end portion supporting a precision locating pin device for a part. Separate gear belts extend around corresponding adjustable idler gears and drive gears and are clamped to the corresponding tower, carriage plate and lift arm. The drive gears are driven by corresponding drive units each including a reversible servo-controlled electric motor, a planetary gear reducer, an absolute resolver unit and an electrically actuated spring set brake. A plurality of the above apparatus are located on opposite sides of a linear part conveyor with the lift arms projecting inwardly in generally opposing relation.

Abstract: The present invention relates to connector tools for seating connectors on a substrate such as a printed circuit board. In various embodiments, the connector tools can be made by wire electrode discharge machining (WEDM) process. In the embodiments, the connector tool includes reinforced ribbed end walls, ribbed internal walls, interconnected walls and contours that reduce tool and connector damage. In other embodiments, the connector tools include guiding structures that align the connector tool to the connector before seating the connector so that the connector tool aligns to the connector pins and body to avoid damage to the connector and/or the substrate. In another embodiment, the connector tool has guiding skirts and surfaces to capture the connector in position then seat the connector. Thus, the invention reduces connector and substrate damage during manufacturing, reduces tool damage, and lowers product costs by boosting manufacturing yields.

Abstract: A mounting apparatus capable of coping with high density mounting, narrower pitch mounting, cavity mounting and the like. In the apparatus, displacement amounts of a chip that is picked up from a wafer by a pick-up nozzle to be held by the pick-up nozzle, with respect to a reference attitude, are obtained, and when the chip is delivered to a mounting nozzle for actually mounting the chip onto a substrate, the displacement amounts are corrected while taking the displacement amounts into consideration, so that the mounting nozzle always holds the chip in a fixed attitude.

Abstract: The invention provides a mounting method capable of coping with high density mounting, narrower pitch mounting, cavity mounting and the like. In this method, displacement amounts of a chip that is picked up from a wafer by a pick-up nozzle to be held by the pick-up nozzle, with respect to a reference attitude, are obtained, and when the chip is delivered to a mounting nozzle for actually mounting the chip onto a substrate, the displacement amounts are corrected while taking the displacement amounts into consideration, so that the mounting nozzle always holds the chip in a fixed attitude.

Abstract: The present invention relates to a method for producing an electrical conductor element with a housing and a conductor element, whereby the housing is made by a molding process and the conductor is embedded in the housing, whereby the conductor is produced by an electroforming process on a metallic layer. The conductor and the metallic layer are covered with the housing by a molding process, and the metallic layer is removed from the conductor and the molding housing. This method advantageously combines the well known molding process and the well known electroforming process for providing a reliable process for producing an electrical conductor element.

Abstract: The present invention provides a method of and apparatus for processing of an electrical connection terminal for a coaxial cable, wherein the processing is automated and further laborsaving can be achieved in the processing operation.

Abstract: It is known from the prior art that holes in a workpiece are filled completely with a solder powder, which leads especially in the case of large holes to the formation of cracks within the solder due to the large volume filled in once the solder cools off after soldering. The invention provides a method for closing a recess of a workpiece, which allows closing an opening of a recess without the risk of crack formation, by using only a solder film for closing the recess. The solder film has a content of non-melting material and therefore is substantially less prone to form cracks.

Abstract: The invention provides a production process of a gas turbine capable of being applied to various cycles. A principal part of a gas turbine is set in advance based on roughly set conditions, and the number of stages of a compressor and the number of stages of a turbine, which can provide conditions suitable for a desired cycle, are set based on the set principal part. The compressor and the turbine each having the set number of stages and included in the principal part are combined with each other to construct the gas turbine. When the set number of stages of the compressor or the turbine differs among a plurality of desired cycles, a substantially disk-shaped member having an outer periphery, which forms an inner peripheral wall of a substantially annular flow passage of the compressor or the turbine, is assembled into the cycle having a smaller number of stages so that the bearing-to-bearing distance is kept constant in the gas turbine operated in the plurality of desired cycles.

Abstract: The invention relates to a blade for a turbine engine with a base body, made from a titanium alloy, with a first and a second component piece, which are connected in the connection region by means of a bonding process. A groove with a groove wall runs through the connection region, to prevent local concentration of tension, such that the above borders directly on the second component piece and forms therewith a connection angle greater than 70 degrees.

Abstract: A method of manufacturing a composite structure uses a layer of an insulating material (22) as a mold for forming a substrate of a ceramic matrix composite (CMC) material (24). The insulating material may be formed in the shape of a cylinder (10) with the CMC material wound on an outer surface (14) of the cylinder to form a gas turbine combustor liner (20). Alternatively, the insulating material may be formed in the shape of an airfoil section (32) with the CMC material formed on an inside surface (36) of the insulating material. The airfoil section may be formed of a plurality of halves (42, 44) to facilitate the lay-up of the CMC material onto an easily accessible surface, with the halves then joined together to form the complete composite airfoil. In another embodiment, a box structure (102) defining a hot gas flow passage (98) is manufactured by forming insulating material in the shape of opposed airfoil halves (104) joined at respective opposed ends by platform members (109).

Abstract: A catalytic element may be created by compressing a mesh fabric to reduce its dimension to achieve a desired size and shape. The process begins by braiding or otherwise forming a flat wire into a sheet of mesh fabric and then forming the surface of the sheet with angled ridges. Two sheets are then laid one on top of another with the angled ridges running at an angle to each other. The pair of sheets are then rolled into a cylinder to form a catalytic body. After applying solder to the catalytic body, it is compressed to a desired lesser dimension and then heat is applied to fuse the wires while holding the catalytic body in its compressed size and shape. Next, a precious metal catalytic coating is applied to the fused catalytic body and heat is again applied to bond the precious metal compound to the catalytic body.

Abstract: A mixture of a low-temperature active-type non-corrosive flux and a low-melting point brazing material consisting of zinc, or zinc-aluminum alloy mainly composed of zinc, is applied to at least one 10 of a plurality of aluminum members 10 to 13, and the plurality of aluminum members 10 to 13 are brazed with each other by heating an assembly of the plurality of aluminum members 10 to 13 at a temperature exceeding a melting activity-initiating point of the non-corrosive flux and a melting point of the low-melting point brazing material.

Abstract: Jewelry can include a stone and a setting. The setting can include rings, wherein at least one of the rings contacts the stone. The rings may be in the form of chains, netting, or both. The rings can be attached to the stone using anchor(s), so that the setting cannot be removed from stone unless the stone, a ring, an anchor or combination thereof is broken or, in the case of hooks, removed only with great difficulty or irreversibly damaging the hooks (e.g., when separating ring and hook combinations). The configurations for the settings and stones and methods described herein can substantially increase the options for designing jewelry, and particularly the use and arrangement of stones in jewelry.

Abstract: The powered tubing cutter is a hand held, mechanical device driven by a motor for cutting tubing/piping. The device comprises a housing, a drive plate, a main drive shaft, a cutting assembly having a cutting blade, a cam plate and a chain drive secured to a motor housing, having a handle, by a mounting bracket. The chain drive is powered by the motor, which causes the main drive shaft to rotate. The cutting assembly is pivotally secured to a pin on the main drive shaft. The pipe/tube to be cut is placed into the hole in the center of the housing and the main drive shaft. As the cutting assembly rotates with the main drive shaft the cam plate forces the cutting blade into cutting engagement with the tube/pipe.

Abstract: A power compass saw (10) with a housing (12) that accommodates a lifting rod for the up and down movement of a longitudinal saw blade (27) attached thereto, the saw blade having a toothed side and a saw blade back (270), and with a guide roller (29) which supports the saw blade back (270) and has a central circumferential groove (290) into which the saw blade extends with its saw blade back (270) and is guided therein, whereby the sides of the circumferential groove (290) are tapered, the power compass saw functioning particularly precisely and efficiently due to the fact that the saw blade back (270) of the saw blade (27) is designed with a 7° conical configuration and/or taper on both sides, so that it tapers toward the saw blade back (270) and is capable of being supported in two dimensions in the circumferential groove (290), the groove sides (291) of which have a 5° taper.

Abstract: A latch mechanism for a power tool is disclosed, in which the power tool has a housing (3), a motor provided in the housing, an output shaft adapted to be caused by said motor to actuate a working member, and a handle assembly (2) adapted to pivot relative to the housing between a plurality of positions.

Abstract: A handle assembly for a power tool is disclosed, in which the power tool has a housing, a motor provided in the housing, an output shaft adapted to be caused by said motor to execute reciprocating motion, and a blade assembly (5) extending from the housing along a first axis (A-A). The handle assembly (2) comprises a front handle (6), a rear handle (7) integral with the front handle (6) and a mounting portion adapted to be mounted to the housing of the tool, wherein the rear handle (7) is displaced from the plane (A-A) of the blade assembly (5) in use. As a result of this, the knuckles of the hand of the user that is gripping rear handle (7) are raised away from the surface of the object being cut. This provides the advantage that the user's knuckles avoid any grazing or cutting resulting from contact with the object, or with the ground when carrying out low cutting.

Abstract: A drive mechanism for a power tool is disclosed, in which the power tool has a housing, a motor provided in the housing, and an output shaft adapted to be caused by the motor to execute reciprocating motion. The drive mechanism comprises a gear plate (34) adapted to rotate about a first axis (Z-Z) and having a plurality of elongate first teeth (33) extending substantially in a plane perpendicular to said first axis; and connecting means cooperating with said gear plate (34) and adapted to cause reciprocating movement of an output shaft of the tool in response to rotation of said gear plate about said first axis, wherein said reciprocating movement has a component perpendicular to said first axis. Conventional drive mechanisms which have an output shaft adapted to be caused by the motor to execute reciprocating motion generally have bevel gears with teeth formed at 45° to the axis of rotation of the gears.

Abstract: A multifunctional tool for cutting (crushing or shearing), crimping, perforating and other operations that require high force to be applied to a small area, plus a method of designing such tools for a variety of applications. A sectorial eccentrically pivoted cam is implemented as a part of a lever of first stage. A working surface of this cam fits precisely onto a corresponding surface of a lever of a second stage so that when the cam is partially rotated about its pivot, the lever of second stage receives impetus to move about its own pivot at hyperbolic trajectory and a distance lesser than that of the lever of first stage.

Abstract: A lawn trimming device attachable or attached to the power take off end of a line trimmer primary unit to be powered by the line trimmer. The device includes a hood with a downwardly facing opening to allow the opening to be placed parallel to the ground, the hood defining a cutting cavity. A means for coupling the hood to the line trimmer primary unit is provided and a shaft is included. A cutting means rotatably mounted relative to the hood from the shaft is provided and wherein the shaft is engageable to the line trimmer primary unit to derive rotational power from the line trimmer primary unit. The cutting means is positioned within the cutting cavity of the hood adjacent the opening. A hovering fan is also preferably included within the hood.

Abstract: A trimmer head for use in a flexible line rotary trimmer including a housing adapted to be operatively connected to the trimmer to effect rotation of the head and a spool operatively connected to the housing for rotation therewith. The spool defines at least one line radially extending receptor channel formed by a plurality of inwardly tapered walls and is polygonal in cross-section. So configured, the channel walls will securely grip the cutting line upon the line being inserted in the channel and wound about the spool. To provide uniform winding of the line, a plurality of cam, cam abutment and sliding surfaces are operatively connected to the housing and spool such that when the spool is manually rotated relative to the housing in the drive direction, the spool is caused to reciprocate axially within the housing evenly distributing the line about the body of the spool.

Abstract: A cookie cutter comprising (a) a silhouette formed in a desired shape and carrying a dough cutting shape at a front face; (b) a plaque formed to conform with the shape of the silhouette and positioned at a rear face of said silhouette, said plaque having an outer surface and an inner surface; and (c) a polymeric adhesive material positioned on an inside surface of the plaque and joining the silhouette and plaque together.