Abstract: Disclosed is a tool for driving a barbed staple into a workpiece, the tool includes a housing enclosing a power delivery source and a driver blade driven by the power delivery source and comprising an engagement portion configured for engagement with the staple. The tool further includes a nosepiece comprising an aperture providing access for loading a staple into the nosepiece and a passage configured for slidable mounting of the driver blade. In use, the driver blade may be driven along a longitudinal axis of the passage by the power delivery source to engage and drive a staple into a workpiece. Clearances are providing to allow for loading and passage of the barbed staples in the nosepiece and arrangements are provided to maintain the alignment of the staple in the nosepiece to compensate for those clearances.

Abstract: A fastener is provided for inserting into a body tissue. The fastener has a head and an anchoring portion comprising a plurality of distally extending legs. Each leg terminates in an anchoring element configured to penetrate tissue and to cause a net lateral resistance force on the leg during penetration. The legs are configured and structured so that when the net lateral resistance force on the anchoring element exceeds a predetermined level, at least a portion of the leg is deflected laterally away from a pre-insertion configuration and so that when the net lateral force is subsequently reduced below the predetermined level, the at least a portion of the leg is biased back toward the pre-insertion configuration.

Abstract: A cost-effective and expeditious method for attaching a water channel layer to lath pre-installation, for subsequent application to an inner wall structure, increasing the efficiency and decreasing the cost of building construction, and also encompasses the stock material made thereby. In one form, there is a stapling frame equipped to be placed in juxtaposition to a water channel layer atop a layer of lath on and adjacent surface. A plurality of staplers mounted to the frame then combine the water channel layer and lath to form an integrated stock material that can then be used in a wall structure.

Abstract: An anvil assembly is provided and includes an anvil member having a plurality of staple bending pockets formed in a face of the anvil member and a length of reinforcing material suspended across the staple bending pockets. Longitudinal channels are provided in the face of the anvil member to releasably retain the reinforcing material. The longitudinal channels transect the staple bending pockets and support and suspend the reinforcing material over the staple bending pockets such that a leg of a surgical staple can be bent around the reinforcing material.

Abstract: Surgical stapling methods and tools which allow a surgeon to create several different predetermined amounts of tissue constriction using the same staple (11) loaded in such a tool (31). A stapling tool (31) holding one or more staples in an effector section (35) contains a mechanism for spreading the pointed ends of a staple to one of several spaced apart distances as controlled by an actuator-indicator (43). Depending upon the distance the pointed ends have been spread when the staple is implanted into tissue (51), the amount of constriction accomplished by the staple is varied. An improved staple construction (61) of increased rigidity is also shown.

Abstract: A pneumatically operated stapler that has a single selectively operable adjuster operatively associated with a staple leg diverter. The single selectively operable adjuster is constructed and arranged to be adjusted within a range of leg deflecting positions to affect the lateral movement of the staple leg diverter. The different leg deflective positions effects an amount to which the diverter will deflect the legs of the driven staple during a drive stroke. A single operation of the single selectively operable adjuster both moves the adjuster and retains the adjuster in an adjusted position within the range of leg deflecting positions.

Abstract: A closure device for an arteriotomy includes an elongate hollow shaft and an elongate driver slidably disposed therein. The elongate hollow shaft includes a pair of a pair of opposing actuation tips disposed at a distal end thereof defining a staple chamber there between. An anvil extends into the staple chamber from one of the actuation tips. The closure device includes a release mechanism for spreading apart the pair of opposing actuation tips to provide a gap associated with the anvil, the gap dimensioned such that the staple may pass there through. A method of using the closure device is also disclosed.

Abstract: A pneumatically operated stapler that has a single selectively operable adjuster operatively associated with a staple leg diverter. The single selectively operable adjuster is constructed and arranged to be adjusted within a range of leg deflecting positions to affect the lateral movement of the staple leg diverter. The different leg deflective positions effects an amount to which the diverter will deflect the legs of the driven staple during a drive stroke. A single operation of the single selectively operable adjuster both moves the adjuster and retains the adjuster in an adjusted position within the range of leg deflecting positions.

Abstract: A pneumatically operated stapler that has a single selectively operable adjusting mechanism that is constructed and arranged to be adjusted within a range of leg deflecting positions is disclosed. The stapler includes a staple leg diverting member that is carried by a portable structure for lateral movement into and out of a drive track. Successively driven staples are driven with a selected leg deflection between a minimum deflection and a maximum deflection. The adjusting mechanism is selectively adjusted within the range of positions to adjust the amount of bias of a biasing structure acting on the leg diverting member.

Abstract: Staple forming arrangement (11) forming part of a stapler (1) in which a workpiece (6), primarily a sheaf of papers, is stapled together. The arrangement includes a bending punch (15), which is driven by a drive mechanism (12,13) and which bends elongated staple blanks (8) over a bending cushion (15). The staple blanks, which are stored in a magazine (7) in the stapler and are fed to the bending cushion by an integral feeding device (14), are bent essentially into a U-shape having a crown (24) and a first leg (25) and a second leg (26), respectively and whereupon the bending punch is withdrawn from the bent staple by the drive mechanism. After the withdrawal of the bending punch from the bent staple, the bent staple is fed by the feeding device to a staple guide channel (27) in which the staple is driven by a drive blade (17) incorporated in the stapler into the multi-piece workpiece in order to staple the pieces together.

Abstract: A novel nosepiece for a fastener driving tool for driving fasteners for holding and spacing an object at a predetermined distance from a substrate are provided, wherein the fastener driving tool has a housing, a driver blade within the housing for driving the fasteners, and a power source for driving the driver blade, and each of the fasteners includes a bridge portion, a first prong extending in a driving direction from the bridge portion, a second prong spaced from the first prong and extending generally parallel thereto in the driving direction from the bridge portion, wherein the second prong is substantially shorter than the first prong, the nosepiece comprising, a trailing end coupled to the housing of the fastener driving tool, a substrate contacting end, a channel for axially guiding the driver blade and the fastener in a driving direction toward the substrate, a slot proximate the substrate contacting end laterally extending into the channel for receiving the object, and a curved ramp within the chan

Abstract: A fastener driving tool having a reciprocating driver blade and a nosepiece, and being configured for sequentially feeding fasteners to the nosepiece for engagement by the driver blade for subsequent driving into a workpiece, each fastener defining a plane, further includes a deformation formation in the nosepiece configured for engaging a portion of each of the fasteners so that upon impact of the fastener by the driver blade, the engaged fastener portion is deformed in a direction transverse to the plane to define a deformed portion, the deformed portion configured for providing a clamping force upon at least one of the workpiece and a workpiece material being secured to the workpiece. A fastener is provided for use in such a tool and includes a crown configured so that, upon impact with at least one of the workpiece and the workpiece material, the crown has a nonlinear configuration.

Abstract: A fastener driving tool having a reciprocating driver blade and a nosepiece, and being configured for sequentially feeding fasteners to the nosepiece for engagement by the driver blade for subsequent driving into a workpiece, each fastener defining a plane, further includes a deformation formation in the nosepiece configured for engaging a portion of each of the fasteners so that upon impact of the fastener by the driver blade, the engaged fastener portion is deformed in a direction transverse to the plane to define a deformed portion, the deformed portion configured for providing a clamping force upon at least one of the workpiece and a workpiece material being secured to the workpiece. A fastener is provided for use in such a tool and includes a crown configured so that, upon impact with at least one of the workpiece and the workpiece material, the crown has a nonlinear configuration.

Abstract: A stapler for clinching materials together with a generally U-shaped staple. The stapler has an anvil with spaced-apart wedges disposed adjacent a backing plate, and the spaced-apart wedges have respective chamfers that contact legs of the staple and guide the legs away from each other. A driver blade is movable between the spaced apart wedges and pushes against a staple crown. As an actuator pushes the driver blade between the wedges, the staple is being pushed over the wedges. The actuator retracts the driver blade from between the spaced-apart wedges substantially independent of a biasing force pushing the spaced apart wedges against the backing plate.

Abstract: A stapler for clinching materials together with a generally U-shaped staple. The stapler has an anvil with spaced-apart wedges disposed adjacent a backing plate, and the spaced-apart wedges have respective chamfers that contact legs of the staple and guide the legs away from each other. A driver blade is movable between the spaced apart wedges and pushes against a staple crown. As an actuator pushes the driver blade between the wedges, the staple is being pushed over the wedges. The actuator retracts the driver blade from between the spaced-apart wedges substantially independent of a biasing force pushing the spaced apart wedges against the backing plate.

Abstract: The present invention provides a wire feed device for guiding and straightening a wire which is comprised of a wire infeed unit and a self-cleaning deflection head which are connected together by a flexible guide hose. The wire infeed unit has a guide passage therethrough whose inlet and outlet are offset so the wire will remain in contact with a contact element within the passage to generate a signal when the wire is in the passage. The deflection head has a guide arc-shaped guide passage therethrough which, in turn, have outwardly radiating pockets spaced along the outer side thereof which remove debris (e.g. the material abraded from the wire and wire shavings) transport it out of the deflection head. Dimpled guide points are formed on the other side of the arc-shaped guide passage opposite the pockets to facilitate the self-cleaning of the wire. A wire straightening sleeve is positioned downstream of the deflection head, which can generate a control/monitoring signal is positioned downstream of the head.

Abstract: A stapler attachment for use with an electromechanical device driver comprises a staple holding member which is spring mounted to a staple closing member, which is, in turn, mounted to a threaded driver element concentrically mounted about a threaded shaft such that staple closing member and the staple holding member can be advanced and retracted along a track within a housing. A staple is advanced by the rotation of the threaded shaft until the staple holding member is stopped against an opening lip formed in an opening at the distal staple discharging end of the housing. At this position, the prongs of the staple have been advanced out of the distal staple discharging end and into the tissue to be joined. The staple closing member continues to advance as the spring between the staple holding member and the staple closing member compresses. This advancement permits the staple closing member to deform the staple into a closed D-shape conformation.

Abstract: The invention proposes a staple-forming apparatus which is intended for stapling machines for forming staples and may be designed to be smaller than prior-art apparatuses. This is achieved according to the invention in that a locking bar (9) for locking a pusher in the forming apparatus during the operation of forming the staple is fitted in a moveable manner in the pusher and a fixed stop (13) for the locking bar (9) is provided on the housing (2) of the staple-forming apparatus.

Abstract: Surgical stapler including a longitudinal body having a handle portion and a trigger portion pivotally mounted to the handle portion. The surgical stapler including a cartridge assembly having a plurality of formable staples therein. The staples being formable through actuation of the trigger portion of the longitudinal body. The cartridge assembly includes an upper chassis assembly having a centrally disposed channel. The channel accommodating a reciprocating pusher follower and a reciprocating pusher plate. The pusher plate being coupled to the pusher follower and reciprocally advancable against an anvil plate. The pusher plate forming at least one of a plurality of staples around an anvil tip of the anvil plate. The cartridge assembly also including a lower track portion coupled to the upper chassis assembly.

Abstract: A nose assembly for a nail gun includes a nose piece connected to a gun body and the nose piece has a guide channel in a surface thereof. A resilient strip has its first end fixedly connected to the nose piece and a guide base is located below the nose piece. The nose piece has an extension channel which is in alignment with the guide channel, and a second end of the resilient strip is connected to the guide base. Two oblique surfaces are respectively defined in two inside defining the extension channel and a block extends from a surface defining the extension channel. Two grooves are defined between the block and the two oblique surfaces so that two legs of nails will be separated and inserted into the grooves before penetrating into document.

Abstract: A motor driven stapler has a holding mechanism for holding parts of the legs of a staple penetrated and projecting from a pile of sheets. The parts of the legs of the staple penetrated and projecting from the pile are clinched by a clinching plate after holding the same by the holding mechanism.

Abstract: An improved surgical stapler which allows for the multi-directional release of staples includes a stapler body and a driver contained therein. A magazine is connected to the stapler body and includes a plurality of staples. The magazine also includes an anvil having a staple forming surface at a distal end thereof for forming a staple thereon. The anvil is movable from a staple forming position to a staple release position. A feeder element which is spring biased against the staples is used for feeding each staple to the staple forming surface. A trigger is operatively connected to the driver and is movable from a pre-fire position to a firing position for advancing the driver against the anvil for forming the staple against the staple forming surface of the anvil. The trigger is operatively connected to the anvil for moving the anvil from the staple forming position to the staple release position for releasing the staple from the stapler.

Abstract: An improved surgical stapler which allows for the multi-directional release of staples includes a stapler body and a driver contained therein. A magazine is connected to the stapler body and includes a staple track for carrying a plurality of staples wherein each of the staples has staple legs. An anvil is associated with the staple track for providing a staple forming surface for forming a staple thereon. A feeder element which is spring biased against the staples is used for feeding each staple from the staple track to the anvil. A trigger is operatively connected to the driver and is movable from a pre-fire position to a firing position for advancing the driver against the anvil for forming the staple against the anvil. A kick-off spring is positioned beneath and substantially parallel to the staple track and the anvil.

Abstract: A hog ring fastener has a straight line base and legs each perpendicular to the base but offset at an angle to each other permitting the use of relatively inexpensive "C" points. A stick of the fasteners is generally channel shaped, with the legs and bases all angularly inclined to the longitudinal axis of the stick. The assembly of fasteners is made in a multiwire process by severing blanks and forming the legs at a bias to a line perpendicular to the wire direction. A tool and method for applying the fastener carries out two different deformation stages, one being a predeformation stage to incline the legs of the fastener inward to a preferred application position.

Abstract: Disclosed is a stapler which comprises a main body portion having at its one end a staple accommodating portion provided with a staple drive-out opening, a pressing lever portion pivotally attached at its one end to the other end of the main body portion, and a base portion having a guide groove disposed at a position which comes in opposition to the staple drive-out opening for curving stapling leg portions of one staple so as to be close to each other. The staple drive-out opening is formed to be narrower in width at a lower staple driving-out side than an upper staple pressing side, whereby when the staple is driven out of the staple drive-out opening, the stapling leg portions of the staple is forcedly curved so as to make the respective free ends of the staple drive-out opening come into contact with each other while piercing into an object to be stapled. Accordingly, fixing of flaps of a box, fixing of a slip or the like on a box, etc.

Abstract: A surgical stapler having a pivotable trigger in a housing and a cartridge of surgical staples, has a moving anvil which receives one staple at a time in its open configuration. A forming blade moves to engage and capture the staple between the forming blade and the anvil and drive the staple away from the cartridge allowing the user to see and place the points of the staple at a desired location on the tissue. Further movement of the forming blade pressing upon the top of the staple forces the staple legs to pierce and close joining adjacent edges of tissue. First and second stripper elements acting separately or in combination engage and urge the closed staple to separate from the anvil.

Abstract: A dispenser for closures ejects an end-most closure contained in a pivotably mounted housing for closing a bag. The closures are formed with a hole and a cut leading from one side to the hole. In one embodiment, the dispenser is wall mounted such that a weight may be used for feeding closures to a dispensing position. A second embodiment uses a spring feed for urging the closures to the feeding position. The housing is formed with facings slots at the front end thereof, a pusher being mounted on a base member. When the housing is pivoted toward the base member, the pusher extends through one slot to displace the end-most closure through the other slot. The dispenser may include cams on either side of the dispensing slot for spreading the portions of the closure on each side of the cut, thereby faciliating application of the closure element to the neck of a bag.

Abstract: A surgical stapler includes a supply of staples which are fed one at a time to the discharge opening where a driver in the stapler housing bends the staple around the anvil, the anvil being retracted within the housing away from the discharge opening as the driver completes the bending operation.

Abstract: The prior art discloses a surgical stapler having means for forming a staple, and means for activating the forming means. The forming means have an anvil surface terminating in a movable flange and a track movably containing a forming blade. The improved stapler of this invention comprises the activating means cooperatively attached to the forming means, and the anvil surface having a boss and the forming blade having an opening. The anvil surface boss has an arcuate motion dependent on the linear motion of the forming blade opening. Alternatively, the improved stapler also comprises a formed staple stripping surface adjacent at least two opposing sides of the anvil flange.

Abstract: A unique, surgical stapling instrument is attained by incorporating staple guiding and supporting cam means positioned in active, cooperating relationship to the legs of the staple during its formation. In this way, unwanted angular pitching or wobbling of the staple during formation is substantially eliminated. In the preferred embodiment, staple tip positioning means are also provided in cooperative association with the staple being formed to assure controlled movement of the staple into the desired forming orientation, thereby substantially preventing jamming or double staple formation. In addition, the staple forming plate incorporates a unique construction which assures complete staple formation prior to exiting through the cooperating housing portal, while also providing a staple tip entry zone, allowing the tips of the next staple to be formed to be positioned in the desired plane prior to the crown portion thereof.

Abstract: A surgical stapler for forming and implanting surgical staples in the skin or fascia of a patient to close a wound or incision is provided and comprises a member having a rearward portion including a handle portion and a forward portion having a front surface facing the incision, and a guide disposed at the forward-most end of the forward portion which guide is inserted beneath the surface of the skin or fascia and plows through the incision to be stapled.

Abstract: A resilient anvil for clinching staples driven through a drive track is adjustably mounted on the stapler to permit compensation for wear and to otherwise control the curl or clinch applied to the driven staple. Overlapping or partially aligned openings in the anvil and a fixed adjusting or locating plate provide camming edges or surfaces adapted to be engaged by, for example, an inserted screwdriver bit. When the bit is turned, the position of the anvil relative to the drive track is varied. Threaded fasteners lock the anvil and plate in the adjusted relative positions on the stapler.

Abstract: A stapler including a staple extruding member, a staple magazine and a base plate, which are pivotally held together by means of a pin. Underneath the staple magazine is fitted a sliding member of a specified thickness and shape so as to cover only one side of the staple ejection slot at the front of the staple magazine. The sliding member is mounted on the magazine so as to move from a position underneath the staple ejection slot to a position away from the staple ejection slot and closer to the pin. The staple magazine is adapted to receive a staple holding block, which block carried staples upon its upper surface. The staple holding block is provided with a hollow which extends longitudinally of the block and is open to the upper and lower surfaces of the block by means of a split groove. Inside this hollow is fitted a columnar spring bearing portion of a magazine follower. A detachable spacer may be fitted to the staple ejection slot at the end of the magazine.

Abstract: A stapler for interconnecting adjacent penetrable bodies such as vertebrae includes a barrel with a staple support and deforming anvil at one end thereof; a plunger slidably mounted in the barrel for pressing the staple against the anvil to deform and drive the staple out of the stapler into the vertebrae; a handle and trigger at the other end of the handle for driving the plunger against the anvil and out of the stapler; a helical spring for returning the plunger to the rest position; and a control sleeve and pin arrangement for placing the plunger in the "DISMANTLE", "LOAD", "SAFE" or "FIRE" position, in which the stapler can be dismantled or assembled, loaded, inserted into position or fired.

Abstract: An improved, self-centering surgical staple is disclosed. Engaging members are located on the base portion of the staple. During forming (bending) of the staple on the anvil, the engaging members engage the forming mechanisms (i.e., the shoulders of the anvil or the twin heads of the pusher) to center the staple on the anvil so that the legs will be embedded in the tissue at the same depth.

Abstract: A surgical instrument comprises an elongated body having a working zone at a distal end thereof. Kinematically connected between themselves and disposed within the body are: a mechanism for feeding wire into the working zone of the body, a mechanism for forming U-shaped staples from the wire, and a mechanism for reshaping U-shaped staples into rectangular ones, provided with a driver and anvils. The driver is connected with a reciprocating drive along the longitudinal axis of the body and is provided with a working portion in the form of two V-shaped projections. The anvil is disposed in the working zone of the body perpendicularly to its longitudinal axis in a plane of motion of the driver so that it can be moved out of this plane. The length of the anvil is less than the transverse side of the U-shaped staple.

Abstract: A surgical staple of the type which is applied by being bent around an anvil in a surgical stapler has two spaced surfaces transverse to the longitudinal axis of the staple and located so that when the staple is bent around the anvil, the transverse surfaces cooperate with the anvil to prevent the staple from being pulled back into the stapler.

Abstract: A surgical stapling instrument comprising a handle and a trigger pivotally attached and on compression internal to the handle has been invented. The forward portion of the handle contains: a track; a plurality of staples loaded and staple advancing means carried on the track; a track cover mounted onto the track; and an anvil surface mounted and a first bias means movably mounted on the cover. The anvil surface terminates in a perpendicular flange. The forwardmost staple is adjacent the anvil surface. A retainer spring supports the staple and separates it from the perpendicular flange. The staple is formed on the flange.The forward portion of the handle also contains a guide block which is mounted on the track cover adjacent the anvil surface. A forming blade and a second bias means are movably mounted on the guide block. The forming blade and the trigger have coordinating surfaces.

Abstract: A surgical stapling system, apparatus and staple wherein a resilient staple has a relaxed closed configuration, is expanded into an open crescent shape, and finally is allowed to return to its closed configuration while simultaneously piercing and drawing together adjacent edges of an open incision or wound. The stapling apparatus contains a plurality of staples and includes projections which engage and secure each staple to the apparatus until its closure to tissue is complete and separation from the apparatus is desired. Further mechanism is provided to control the staple as it closes and optionally to re-open a closed or partially closed staple.

Abstract: A surgical stapling apparatus is disclosed for suturing skin with deformable staples. The apparatus includes a pivoting anvil having a crescent-shaped configuration. The lower end of the anvil includes a forming lip which is disposed in the drive track of the apparatus. A driver blade is mounted for reciprocal movement in the drive track and includes a lower edge configured to cooperate with the forming lip to clinch the staple. An anvil release blade is disposed behind and coplanar with the driver blade in the drive track. The anvil release blade permits the release of the staple at any stage in the clinching operation. In use, upon downward actuation of the driver blade, the staple is clinched about the forming lip. To release the staple from the apparatus, the anvil release blade is lowered until an aperture located therein is aligned with an aperture provided in the driver blade thereby enabling the anvil to pivot, clearing the drive track.

Abstract: A stop fixing device for a slide fastener according to this invention generally comprises upper and lower levers, an elongated guide member defining a channel therein for slidably receiving a band of stops, a pivot for connecting the levers and the guide member for relative rotation and a punch mechanism including a punch guide channel communicated with the forward end of the channel in the guide member and a punch received in the punch guide channel. The punch guide channel has a width substantially equal to the distance between the shoulders of the stop and has a widened portion where it communicates with the channel of the guide member. Cam surfaces are provided at the lower end of the opposite side walls of the widened portion. A stop arrester is provided at the forward end of the guide member for preventing movement of the stop band in a vertical direction. A regulator plate is adjustably mounted on one of the levers to engage the other lever for controlling spread angle of the levers.

Abstract: An anvil in a stapler around which generally U shaped staples are bent into a generally rectangular shape, which anvil has edge surfaces outwardly tapered from a guide surface from which the anvil projects, which tapered edge surfaces help maintain the staples adjacent and in alignment with the guide surface as they are bent closed.

Abstract: The invention relates to an improved method and means for closing an incision with surgical clips wherein the clips have a preformed preliminary skin hooking portion and a portion deformable on application to hook the skin on the opposite side of the incision whereby the clip becomes a surgical tool for holding the skin on one side of the incision while the closing of the incision by the clip is being carried out.

Abstract: A staple for use in conjunction with an anviless stapling apparatus of generally U-shaped plan form configuration where the width of each end of the crown portion of the staple in a direction orthogonal to the plane of the staple is less than the effective width of the associated leg portions of the staple. Also, a self-clinching stapling apparatus, which has no anvil, and includes a nosepiece structure whose only moving part is a driver element. The nosepiece structure of the stapling apparatus defines a drive track whose cross section corresponds to the configuration of the crown portion of the specially designed staple. The nosepiece structure of the stapling apparatus further defines elongated grooves, disposed at an angle relative to the longitudinal axis of the drive track. During a stapling operation, the driver element is actuated causing the staple to move downwardly through the drive track towards the workpiece.

Abstract: A cartridge is provided for applying staples to the disunited fascia of a patient. The cartridge is adapted to associate with a surgical stapling instrument which supplies rectilinear thrust to power the cartridge. The cartridge houses a plurality of staples mounted on a flexible belt. A pusher is slidably mounted in the cartridge for forming the staples around an anvil. A spring pawl associated with the pusher moves the staples into a position ready to be fired as the forwardmost staple is being formed around the anvil. As a staple is formed around the anvil, a spring associated with the cartridge cover holds the staple against the anvil. This spring also provides the function of ejecting the staple from the cartridge after it has been formed. On the return stroke of the pusher, a spring pawl arrangement associated with the cartridge cover prevents the belt and staples from moving rearward away from the anvil.

Abstract: The cardiac pacer lead disclosed herein may be secured or effectively sutured to cardiac tissue by ejecting a length of malleable wire through a tubular die having, at its distal end, a curved central bore which imparts a curvature of essentially predetermined radius to the wire. Passing through the tissue, the wire forms a circular loop or suture which can retain the lead in the desired position for stimulation.

Abstract: A lightweight portable hand-held tool for use in producing printed circuit assemblies is provided with a squeezable handle piston grip surmounted by an incrementally detented ejection mechanism. The tool is topped by a rearwardly raked loading "snorkel" engaging and holding "dipstick" storage tubes for dual in line package or "DIP" integrated circuit assemblies, aligned end to end therein for lengthwise sliding, dispensing movement. A squeezable trigger-handgrip actuates a rack and pinion ejector ram-slider provided with a spring biased detent, producing forward feed movement of each DIP in turn from the snorkel magazine through an ejection portal, pausing with the DIP's terminals protruding for alignment with the mounting holes in the printed circuit board, followed by ejection of the DIP from the portable tool for insertion, produced by further squeezing movement of the trigger-handgrip.

Abstract: A stapling device having an outwardly clinching anvil member of spring metal mounted on a detachably fixed nose piece element by an adjusting mechanism comprising a stud extending outwardly from the nose piece element through an exterior keyway therein within which the anvil member is slidably mounted, the anvil member having a cam follower opening therein engageable by an eccentric cam of an adjusting member rotatably mounted on the stud, the adjusting member extending through a backing plate and including a knob portion engaging the same by which the adjusting member is rotationally moved to effect movement of the anvil member in the keyway parallel with the drive track. The backing plate includes an inwardly bent end engaged within the keyway to prevent turning thereof and a locking nut is provided to lock the adjusting mechanism after adjustment.

Abstract: An apparatus for deflecting a driven nail into an arcuate path including a guide body which supportingly guides movements of the nail into engagement with a deflection means which bends the shank of the nail into an arcuate configuration of predetermined curvature. The apparatus also includes a disengagement device which is employed for removing the apparatus from nails having heads thereon.