Abstract: The invention relates to a connecting device for a blade on the wiper arm of a windshield wiper system, the wiper blade being formed by a springy support element that is provided with a wiper strip. The inventive connecting device comprises a holding mechanism that is fastened to the outer edges of the support element, and a connecting bolt which is disposed on the holding mechanism and runs transversal to the longitudinal extension of the wiper blade. The aim of the invention is to design such a connecting device in such a way that the parts which are subject to wear are placed on the wiper blade. The aim is achieved by the fact that an adapter bracket is hinged to the connecting bolt. The final piece of the wiper arm, which is adapted to the adapter bracket, can be joined in a fixed and detachable manner to the adapter bracket via a locking connection or latch and is connected thereto in a fixed manner in the assembled state of the wiper blade.

Abstract: A wiper blade having a rubber element for engaging glass as the wiper blade is moved thereacross and a method of making the blade utilizes a brush element having a plurality of bristles having ends for engaging glass as the wiper blade is moved thereacross. The brush element is joined alongside the rubber element to form a unitary structure therewith so that as the wiper blade is moved across the glass, the ends of the bristles and the rubber element move in engagement with the glass.

Abstract: A wiper blade for cleaning the surface of glass in a vehicle utilizes a wiper-providing body including a spine portion and a wiping element for engaging the surface of glass to be cleaned and an elongated cleaning element which is mounted for movement relative to the spine portion. Juxtaposed magnetic devices are secured within the spine portion and the cleaning element for biasing the cleaning element away from the spine portion of the wiper-providing portion so that during use of the wiper blade, the cleaning element is biased toward the glass surface by the repelling forces of the magnetic devices and is maintained in a spaced relationship with the spine portion so that during use of the wiper blade, the cleaning element is permitted to shift in position relative to the wiper-providing element and the spine portion.

Abstract: A roller tray is provided with a foot pad which receives at least one foot of a painter thereby preventing slippage of the roller tray during the loading of paint onto a paint roller. A rack is mounted on the roller tray and a pinion is operatively secured to a roller cover. The pinion meshes with the rack when the roller cover is positioned in the roller tray thereby forcing rotation of the roller cover as it is moved in the roller tray to assure uniform loading of paint onto the roller cover.

Abstract: A dust pan apparatus for receiving sweepings therein and useable as at least one of a hand held unit and as an attachment to an elongated rod like member. The dust pan apparatus comprises a base member. The base member has a first end for receiving sweepings. A back member is engageable with a second end of the base member and a pair of radially opposed side walls, each of the radially opposed side walls are engageable adjacent a bottom surface with radially opposed sides of the base member and each of the radially opposed side walls further are engageable with radially opposed side edges of the back member. There is, further, a means disposed on the dust pan apparatus for removable engagement with such elongated rod like member.

Abstract: A debris collector is provided with an impeller mounted forward of the drive vehicle. The impeller is coupled to a movable snout which may be utilized to collect debris from the path of the vehicle, as well as areas lateral to the vehicle and debris which may be attached of a vertical structure, such as a fence.

Abstract: A truck mounted liquid concrete waste vacuum system with a storage tank adapted to be used in conjunction with a watertight concrete washout bin. The concrete washout bin is configured to roll off a transport vehicle for delivery to a construction site and to contain all solid and liquid concrete washout waste from construction activities. When the concrete washout waste is to be removed from the site, the liquid concrete waste vacuum system attached to the transport vehicle is first used to remove the liquid waste from the washout bin and store it in the tank. The bin containing the remaining solid waste is loaded on the transport vehicle and taken to the treatment facility where both the solid and liquid waste is safely off-loaded.

Abstract: A blower apparatus has a blower housing having a blower intake. A motor-driven blower is arranged in the blower housing and takes in air in a flow direction through the blower intake into the blower housing. A device for mechanical clearing of the blower intake is arranged at the blower intake. The mechanical clearing device is driven in rotation during operation of the blower apparatus.

Abstract: A vacuum having a series of motors and fans. As the fans rotate, they draw air into the vacuum. The volume of the air brought into the vacuum is maximized by positioning the fans in series. A plurality of fans is positioned so that outflow from a first fan is the primary inflow into a second fan, and so forth. Together the fans will draw more air than one could alone. By positioning the fans in series, the external diameter of the vacuum does not need to be any larger than it would for a vacuum having a single fan. The fans and motors are contained in a housing having an intake aperture. The intake aperture is preferably separated from the intake opening to the first fan and is preferably slightly smaller than the intake openings to the first fan. This will cause air entering the housing to accelerate.

Abstract: A castor for shopping and hospital trolleys which provides enhanced steering and manoeuvrability of the trolley, wherein a fork (13) of the castor is freely rotatable on a first bearing (15) with respect to a first member (16) connected to the fork (13), while the first member (16) is also freely rotatable on a second bearing (20) with respect to a second member (21) connected to the first member by a bolt (17). The second member may be connected to a frame or chassis (24) of a load bearing object such as a trolley.

Abstract: A door arrester is provided which comprises a housing (2), fastened on either the door or the door frame, a retaining rod (24), extending through an opening (23) in the housing (2) and fastened on the respective other part of door and door frame so as to be pivoted, at least one brake member (14) pretensioned in the direction towards the retaining rod (24) and having a peripheral surface (16) that is received in the housing (2) so as to be axially displaceable, and at least two fastening bores (9) oriented at an angle to the locating plane of the housing (2). An aim of the invention is to improve the generic door arrester so that it reliably and securely holds the door while being inexpensive to produce. For this purpose, one fastening bore (9) each is disposed on both sides of the principle planes which are perpendicular to the locating plane of the housing (2).

Abstract: A hinge assembly having first and second hinge members with a limit section which places a limit on the distance which the two hinge members can be rotated away from one another. This limit section comprises a limit connecting member connecting from one hinge member and extending through a limit connecting opening in the other hinge member, with a limit member being connected to a forward end of the connecting member. Thus, when the two hinge members are moved away from one another, the limit member comes into contact with a back surface of the other hinge member to limit the further movement. The hinge is shown as part of a structural assembly where there is a lid over an opening, with the lid being spring loaded to move to its open position, and a latch mechanism to close the lid.

Abstract: A portable terminal has a first side hinge arm positioned on a side of one of its housings and a second side hinge arm positioned on the other side of the other housing. A hinge device rotatably couples the housings and generates a rotational force to fold or unfold them. The hinge device makes the assembly process easy and contributes to diversification of terminal design. One of the housings can reverse its front and rear surfaces when unfolded, due to a dual hinge construction, for more convenient use of the portable terminal having a camera device.

Abstract: A connecting mechanism for a scan carriage and an axial rod has a scan carriage, an axial rod, and a connecting device for connecting the scan carriage to the axial rod. The scan carriage has a flange protruding horizontally from a side thereof. The axial rod is disposed under the flange of the scan carriage. The connecting device includes an elastic hooking plate fixed vertically on a bottom surface of the flange, and a pair of lining pads. The hooking plate has a free end bent downwardly and inwardly therefrom against the axial rod. The pair of pads is fixed on two sides of the bottom surface of the flange and lean against the axial rod mating with the hooking plate.

Abstract: In a portable telephone, laptop personal computer or remote control in which reduced size, reduced weight and new functionality are required, to provide a two-shaft hinge component equipped with a rotation limiting mechanism in which a construction is adopted that makes possible a rotation limiting mechanism with increased durability, reduced size and lighter weight. A torque unit is constituted by a fixed cam and a rotary cam being in coaxial abutment with a rotary shaft 2 and an opening/closing shaft 3, in a hinge of two-shaft construction in which a rotary shaft 2 passes through an opening/closing shaft 3, sliding frictional torque and a click action being generated during rotation and opening/closing operation by an abutting cam surface.

Abstract: An overlay hinge comprising of a door wing (12) and frame wing (10) held together by a pin (14). The said frame wing possesses stamped protrusions (16) at the location of the outmost bends (22). The said stamped protrusions act as reinforcement for the hinge under load.

Abstract: A disposable hygienic doorknob/handle glove or cover/shield is provided to prevent cross-contamination of germs between multiple users of the same doorknob/handle. The glove or cover/shield of the instant invention includes a hollow three-dimensional body formed of an impervious flexible material, such as paper, or fabric/felt material, which compliments the shape of the doorknob or handle with which it is to communicate or be used. The doorknob cover or shield is sized such that it offers a complete barrier between the skin of the palm and fingers of the hand and the surface of the doorknob. In addition to the doorknob cover/shield or glove, there is provided an elongated cylindrical dispenser for containing and dispensing the cover. The instant invention also provides an accompanying wastebasket so that, after using each cover or glove, the same can be disposed of inside the wastebasket preventing cross-contamination of germs or bacteria.

Abstract: An improved button structure is composed of a pillar element and a zinc casting body. The pillar element is provided with a hollow cylinder at the bottom and an expanding disk, which is provided with pluralities of hollow-out holes, on the top. The zinc casting body is provided with a smooth plane at the upper surface, and pluralities of engaging posts, which have positioning portions, at the bottom surface. The hollow-out holes of the pillar element are mounted on the engaging posts of the zinc casting body, such that the pillar element can be positioned at the positioning portions of the engaging posts and further mortised to lock to the top end of the engaging posts which extrude out of the disk to form blunt heads to accomplish a firm combination, thereby enhancing the benefit in production.

Abstract: A safety release device-for a kite line-has a first fastening member with an attachment point for a first line portion and a second fastening member with an attachment point for a second line portion. In a fastened position the second fastening member engages through an aperture of the first fastening member. A release member is movably positioned on the first fastening member and is movable between a secured position holding hold the release device in the fastened position and a released position in which a line attached to the release device pulls the second fastening member out of engagement through the aperture. A releasable locking member is provided on the release member for locking the release member in the secured position so as to prevent it being moved to the released position.

Abstract: A cord holder is provided for use with a hand-held tool having a power cord. The cord holder includes a two component releasable fastener, preferably magnetic. One component of the fastener is mounted on a bracelet to be worn by a user. The other component is mounted on a cord retainer to be fastened to the cord. The power cord can be supported on the user's wrist or arm by the cord holder retainer while the user holds and manipulates the tool.

Abstract: A seat belt buckle for use with a tongue of a seat belt, the seat belt buckle comprising: a frame portion; a latch being movably mounted to the frame portion for movement between a first position and a second position, the latch being configured to engage a portion of the tongue as the latch moves from the first position to the second position; a release bar being slidably mounted to the frame portion for movement between a locking position and a release position, wherein movement toward the release position causes an opening force to be applied to the latch in order to move the latch from the second position towards the first position; and an inertia locking device rotatably mounted to the frame portion for movement between a locking position and an unlocking position, wherein the inertia locking device prevents movement of the release bar into the release position when the inertia locking device is in the locking position, the inertia locking device being biased into the unlocking position by a biasing forc

Abstract: The safety pin with an arcuate pin bar is formed from pin wire bent in the middle to form a coil having a stationary bar extending from one end of the coil and a pin bar with a pointed end extending from the opposite end of the coil. The pin bar is arcuate, or formed with an arch. The stationary bar has a shield attached thereto, the end of the stationary bar being bent backward or the shield being attached to the end of the stationary bar so that the shield extends at an angle complementary to the curvature of the pin bar. The stationary bar may have a textured or roughened fin formed thereon, and may have linear inner and outer edges, a straight inner edge and convex outer edge, or a concave inner edge and convex outer edge.

Abstract: A depository vessel for the display and memorializing of a deceased pet and of the type having an outer (1,2) and inner (7) lining of the pet owner's choice. The closure (5) will be such that the cremated remains of the pet (9) may be placed inside the vessel and held securely inside. The outer design of the vessel is meant to replicate the deceased pet by displaying memorabilia and pictures that bring to mind the presence of the pet. This vessel will provide cushioned and interactive tactile comfort to a grieving pet owner, through a design unique among existing cremation depository vessels.

Abstract: A casket lid includes a lid member having an underside and a dish assembly covering a first section of the underside of the lid member. The dish assembly includes a first cover member having a flap and a covering section, the flap being mounted to the lid member and the covering section extending over the flap and the first section of the underside of the lid member. The dish assembly can have a first panel extending over a first section of the underside of the lid member and having a first edge. The casket lid can include an insertion member defining an insertion groove and positioned on one of the underside of the lid member and a second panel of the dish assembly, the first edge of the first panel being inserted into the insertion groove.

Abstract: The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in a short time with high accuracy. A plurality of mounts 11 having a side structure 8 placed thereon are arranged in the longitudinal direction of the side structure. A joint projection 8B of a welded portion or a friction stir welded joint is formed on the surface of the side structure 8 in its longitudinal direction. A carrier 100 travels in the longitudinal direction of the side structure 8. Columns 105 are installed in a girder 103 of the carrier, and a milling cutter device 80 and a grinding device 90 are installed in lower portions of the columns 105. A milling surface of a milling cutter 81 of the milling cutter device 80 has a circular-arc shape with a radius R.

Abstract: A spacer insertion device including a body, a container secured to the body for storing a spacer, a piston secured to the body, a trigger secured to the body, the trigger operatively linked to operate the piston, and a chamber adapted to receive the spacer from the container and to place the spacer in position for the piston to act on the spacer and force it out of the device. The spacer insertion device may include an additional disruptive means associated with the container. The spacer insertion device of the present invention may also include a plurality of pistons that may be pneumatically operated. The spacer insertion device may also include a restraining member to temporarily block spacers and prevent unnecessary discharge of the spacer.

Abstract: An apparatus for moving and positioning a production device includes a fixing plate for fixing the production device, a trailer, a plurality of supports, and a supporting base. The trailer includes two bearing arms, and a transmission apparatus for lifting up or lowering the bearing arms. Each of the support includes a plurality of balls, disposed on a top surface of the support, and the balls define a supporting plane for supporting said production device. The supporting base supports a bottom of the production device, and includes two supporting wings on two sides thereof, and a plurality of positioning pins fixed to an underside thereof. The fixing plate includes a plurality of positioning sleeves matching with the positioning pins of the supporting base.

Abstract: The present invention provides a method for replacing an acoustic liner through the forward end or aft end of an integrated exhaust duct muffler (“IEDM”). The IEDM includes a bellmouth coupled to a forward end of the IEDM and an exhaust pipe coupled to an aft end of the IEDM. A muffler section, including the acoustic liner, is positioned between the bellmouth and exhaust pipe. In one embodiment, the method of replacing the acoustic liner from the forward end of the IEDM includes decoupling the bellmouth and forward end cap of the muffler section from the forward end of the IEDM and withdrawing the acoustic liner from the muffler section. A new acoustic liner is then inserted into the muffler section and the bellmouth and forward end cap are recoupled to the forward end of the IEDM. In another embodiment, a method of replacing an acoustic liner of an IEDM from an aft end is disclosed.

Abstract: The present invention discloses a method of manufacturing zippers, particularly a plurality of metal zipper teeth being sewed onto a zipper tape easily, and the zipper is comprised of a plurality of metal zipper teeth with clipping holes at their internal sides, each zipper teeth being clipped to a fastening string and colored (by paint roasting or electroplating) to a different color and then sewed onto the zipper tape. By the foregoing method, the present invention can solve the technical problems regarding the incorrect sewing direction of the zipper and poor pulling force as to extend the service life of the zipper.

Abstract: A fixture adapted to precisely position two components to permit multiple machining operations of the components at a single work station. The fixture includes a backbone having a first portion for securing the first component and a second portion for securing the second component. First and second portions each further include an integral lobe and a finger which extend outwardly from the backbone, each terminating in a datum surface, as well as an additional datum surface which collectively form a set of datum locators along both the first and second portions. Each set of datum locators precisely positions the two components at a predetermined distance and orientation from each other.

Abstract: An installation tool assembly for advancing a fitting's swage ring onto a fitting's connector body while a conduit is received in the connector body to mechanically and sealingly connect the fitting to the conduit includes a body defining at least two spaced apart piston chambers, a fixed jaw connected to the body and adapted to engage one of the connector body or the swage ring, and a movable jaw connected to the body and movable relative to the fixed jaw. The movable jaw is adapted to engage the other of the connector body or the swage ring. Pistons are disposed in the at least two spaced piston chambers. The pistons and the movable jaw are configured such that movement of the pistons in a first direction moves the movable jaw toward the fixed jaw thereby moving the swage ring axially onto the connector body to mechanically and sealingly connect the connector body to the conduit received therein when the fixed and movable jaws are engaged to the connector body and swage ring.

Abstract: The invention relates to a conveyor for elongate components (12) designed with a head and a shank. The conveyor comprises a feed arrangement (7). The feed arrangement (7) comprises a transfer arrangement (8) with a transfer region (15) in which a component (12) can be positioned. In the transfer region (15), a feed duct (11) having a head guiding duct (13) and a shank guiding duct (14) passes into a conveying duct (16). The transfer arrangement (8) comprises at least one catch unit (17). The catch unit (17) comprises at least one catch element (18). The catch element (18) is arranged opposite the head guiding duct (13) and penetrates at least partially therein. It can be deflected from the head guiding duct (13) against a spring force.

Abstract: Arranged are a twin- or single-roll continuous casting machine 1 supplied with molten metal 4 from a tundish 3 arranged above so as to continuously cast a strip 6 with a predetermined width, a trimmer 16 arranged downstream of the continuous casting machine to trim widthwise edges of the strip 6 and a rolling mill 17 arranged downstream of the trimmer 16.

Abstract: Methods for fabricating pole piece tips for a magnetic transducer are disclosed. The ion-milling operations for trimming P2 and notching P1 are controlled using feed-forward and feedback. The preferred method of the invention includes steps for setting four time values used in different phases of the ion-milling process based on feed-forward and feedback of measured values including the P2 width measured in the mask, multiple P2B measurements and measurement of the notch depth.

Abstract: A method of making and using an extended test switch starting with a previously existing un-extended test switch that is ready for connection to electrical devices to be tested. A housing selected from one or more available housings each having a predetermined length is connected to a modified un-extended test switch. Each housing has a rear wall that has several inwardly and outwardly facing terminals. At least one of the rear facing terminals of the un-extended test switch is connected to an associated one of the inwardly facing terminals of the housing. After manufacture the extended test switch can be mounted in a suitable receptacle for connection to at least one electrical device. One or more of the switches on the front of the un-extended test switch to be left in an operational condition with a clear cover attached to the front of the test switch.

Abstract: A manufacturing method of a multi-layer circuit board embedded with a passive component includes the steps of: providing a conductive foil which has one or more pairs of metal protruding points; connecting a passive element to the corresponding metal protruding points; providing a board having a core substrate with organic insulation layer on a core substrate; stacking the conductive foil and the board, wherein the passive component is embedded in the organic insulation layer and patterning on the conductive foil.

Abstract: Exhaust tubes comprise tubular structures having draw-forms formed therein so as to provide a flat portion where a HEGO boss (Heated Exhaust Gas Oxygen) can be welded for placement of the HEGO sensor. In such circumstances, it is, therefore, useful that such draw-forms have substantially flat portions. The present invention provides a tubular member having an outer wall, and a draw-form formed in the outer wall. The draw-form comprises a substantially flat bottom portion, a plurality of walls extending upwardly from the bottom portion and attached to the outer wall, and wherein the walls are configured in a polygonal orientation.

Abstract: A method of manufacturing a heat dissipating device, the method includes steps: a) affording a heat pipe, a solid solder bar and a heat sink, wherein the heat sink includes a base defining a groove at a side thereof; b) placing the solder bar and the heat pipe, in turn, into the groove of the heat sink; c) heating to melt the solder bar and simultaneously pressing the heat pipe to have an outer surface of the heat pipe coplanar with said side where the groove is defined; and d) cooling to achieve the heat dissipating device wherein the solder bar is evenly distributed between the heat pipe and the base.

Abstract: A method for arranging a valve element in an additional control valve device includes provides that, after a first position has been set, a valve plate is pushed onto the stem until the valve plate contacts the stop of a trapping magnet. The valve plate is then connected to the stem. This ensures that the fabrication tolerances are completely compensated by virtue of the first valve spring and the guiding of the valve element. After the second counter bearing has been secured in the guide, the holding of the first counter bearing in the previously determined first position is cancelled, which is then generally carried out by removing the tappet from the guide. After this has been done, the valve element automatically assumes a central position between the gantry magnet and the trapping magnet in the currentless state of the additional control valve device owing to the spring forces which then act.

Abstract: A faucet channel structure and manufacturing method is applied to a faucet having a channel including a curved section, and comprises a faucet body and a channel lid. The faucet body includes an open channel having a polished surface. The channel lid includes a polished surface corresponding to the polished surface of the open channel of the faucet body.

Abstract: An apparatus and methods of use thereof are provided for improved manufacturing of window and door frames. In particular, the present invention provides an apparatus that can improve efficiency and reduce manpower in manufacturing of window and door frames by being able to accommodate whole assembled window or door frames without manual assistance and by incorporating and utilizing multiple machining tools for machining of multiple surfaces of window and door frames. Correspondingly, the use of the apparatus of the present invention permits the practical use of an unconventional process for manufacturing window and door frames that can reduce wastage of materials.

Abstract: A method for manufacturing bearing components of high precision and hardness supporting fluid dynamic-pressure comprises the steps of: (1) selecting at least one rotary component provided with a predetermined surface pattern for supporting a distribution of fluid dynamic-pressure; (2) forming an opaque and hard amorphous diamond (DLC, a-D) film (or nano-crystalline diamond film) on the pivotal surface of the component by physical vapor deposition (PVD). Thereby the pivotal surfaces of the rotary component and the pattern thereon can have excellent hardness, wearing resistance, rotational stailbity and durability under repeated urging of dynamic fluid pressure.

Abstract: A method for assembling a bearing structure is provided. The bearing structure includes a housing of a cylindrical shape with one closed end, made up of a cylindrical portion and a cap portion. The method includes the steps of inserting a shaft integrated with a rotor hub into a sleeve and fixing a stopper member to the distal end of the shaft so as to make a hub assembly, inserting the sleeve into the housing, exerting a force on the sleeve to move toward the bottom of the housing until an end surface of the sleeve abuts the stopper member, pulling one of the housing and the hub assembly from the other relatively in the axial direction by a predetermined distance, and fixing the sleeve to the housing.

Abstract: An electric rotary shaver including: a locking member (50) having a plurality of arms (54) outwardly extending from the center, a cutter retaining plate (38) that engages with outer circumferential rims of outer cutters (24) and rotatably holds inner cutters (32), guide pins (56) provided on the tip ends of the arms (54) and slidably pass through the cutter retaining plate (38), permanent magnets (62) fastened to the cutter frame (20) and attach the guide pins (56) by magnetic attraction in a detachable manner, compression coil springs (64) mounted on the guide pins (56) and provided in a compressed state between the arms (54) and the cutter retaining plate (38), and anchoring elements (66, 68) which prevents a locking member (50) from being separated from the cutter retaining plate (38) by more than a predetermined gap.

Abstract: The invention comprises a tool useful for the manipulation of a wire. The tool includes a first body portion, a second body portion substantially translationally coupled to the first body portion, and a wire engaging member. The wire engaging member has a first section partially carried on the first body portion and a second section partially carried on the second body portion. The first and second sections of the wire engaging member exert compressive force on the wire when the first body portion and the second body portion are translated towards each other.

Abstract: A tube cutter having a relative movement generating portion is disclosed. It includes a relative movement generating portion, a tube cutting base and a tube cutting slider. The manual input portion of the relative movement generating portion is easy to be held by user's hand. A cutting blade, two auxiliary rollers and a feeding spring are disposed between the tube cutting base and the tube cutting slider. After the user applying a holding force, the pushing plate will compress the spring in the tube cutting slider so that the cutting blade feeds in. In case the applying force is too large, the entire tube cutting base and the cutting slider will be locked via the stopping plate. So, it can avoid any over-applying force to destroy the pipe to be cut. This invention is easy to clamp the pipe tightly. It can avoid the over-applying force. It can automatically feed in. And, it can feed in by holding force of hand.

Abstract: A utility knife has a disposable blade cartridge in its handle that has front and rear blade compartments. Each compartment is sized to store a plurality of blades in side-by-side relation. Fresh blades are disposed in the front compartment and one end of each is advanced one at a time substantially out of the compartment into operative position by a carrier that is controlled by an actuator on the handle. When the active blade is to be replaced, it is moved by the carrier into the rear compartment, and a new blade may then be withdrawn from the front compartment into the operative position. The active blade when not in use is partially withdrawn into the front compartment. The cartridge is lo reversed when the one end of all the blades in the front compartment are used, placing what was the rear compartment at the front, and the unused end of each blade is advanced into the operative position and when used they are each moved to the rear compartment.

Abstract: A leaf spring assisted opener for a folding tool such as a folding knife. The folding tool includes tool pivotally carried by a handle. The tool defines a tang at the proximal end. A leaf spring is carried within the handle for assisting in the opening of the tool. The leaf spring defines an elongated, arcuate configuration having a distal end adapted to engage the tang of the tool. When in the closed orientation, the leaf spring is biased toward the tang of the tool, thus holding it in the closed position. The tang of the tool defines a shoulder strategically positioned such that as the tool is pivoted from the closed position, the leaf spring eventually engages the shoulder and begins to release the tension in the leaf spring. At this point, the tension in the spring serves to open the tool the remainder of the rotation.

Abstract: A utility knife includes a body having a groove adapted to receive a blade. The groove has a plurality of tabs defined on at least a first side. The utility knife also includes a slide assembly device positioned in the body for sliding movement with respect to the body. The slide assembly device includes a housing with a first engaging member having a first protrusion and a second engaging member having a second protrusion releasably engaged with the tabs. The slide assembly device also includes a rocker attached to the housing that is operatively connected to at least one of the engaging members. The rocker is operable for disengaging the first protrusion or second protrusion with respect to the tabs. Disengaging one of the first and second protrusions by the rocker allows sliding movement of the slide assembly device with respect to the body.

Abstract: A hair clipper or trimmer including a controller and a pivot motor operable to control a reciprocating blade at a speed greater than 3,600 blade strokes per minute.