Abstract: A pneumatic nailer includes body for receiving the piston therein and a barrel is rotatably and movably inserted in a connection tube extending from the body. The piston rod is movably inserted in the barrel for ejecting the nail fed in the barrel. A magazine is connected to the barrel so that the magazine is rotatable relative to the body so that the magazine is rotated a new position and used in a space that the conventional magazine cannot be inserted.

Abstract: A cap assembly for an automatic cap feeder and fastener driver comprises a plurality of relatively thin, domed metal discs that can be pierced by fasteners discharged from a fastener driver such as a nail gun without bending the nail or jamming the driver, with the caps being connected together by a paper backed adhesive tape mounted on the undersides of the concave caps, with the caps having outer edges that are sufficiently sharp that they sever the tape from the strip of caps when the caps are driven into a substrate after a fastener has penetrated the caps. The fastener driver includes improved feeder teeth and an anti-backup pawl that extend into recesses in the track. A cover encloses an open edge of a cap storage basket.

Abstract: A stapler comprising a base defining a horizontal plane, a cartridge assembly coupled to the base at a cartridge attachment point, the cartridge assembly including a ram, and a lever arm pivotally coupled to the base at a lever pivot axis. The lever arm includes a grip for receiving a manual input from a user, and the lever arm is coupled to the ram at a ram input in order to provide a drive force. The stapler includes an inherent force factor, calculated as the horizontal distance from the lever pivot axis to the end of the lever arm divided by the horizontal distance from the lever pivot axis to the ram input, of at least 3.8. Preferably, the lever arm defines an effective lever axis that is at least about 65° offset from the ram axis when in the static position. When stapling, the effective lever axis is preferably offset greater than about 95° when the lever arm is compressed to the fully stapled position.

Abstract: A magazine assembly for a fastening tool. The magazine assembly includes a feed mechanism having a fastener follower that includes a cam device. The feed mechanism also includes a cam follower which is employed to engage the cam device so that fasteners may be loaded into the magazine assembly. The cam follower alternately engages and disengages the cam device in response to movement of the fastener follower relative to the cam device. A method for operating a fastening tool is also provided.

Abstract: A portable electric nailing gun operating from a power source. The motor accelerates a flywheel which at the appropriate energy state is coupled through a mechanism to an anvil acting directly on the nail. The motor accelerates a flywheel that is then clutched to the output anvil causing the nail to be driven. The position of the output anvil is sensed and once the nail is driven, the motor is dynamically braked reducing the excess energy in the flywheel. This method uses a highly responsive motor and power source which enables the motor to come up to speed, drive the nail and return to a low energy condition in less than 2 seconds. The electrical control circuit and brake allow precise control and improve safety. The power source is preferably a rechargeable low impedance battery.

Abstract: A stapler comprises a loader device pivoted to a bottom plate and including the mechanisms for feeding the staples and operating the stapler, the loader device being, at least partially, engaged in a contoured handle body, the bottom plate being coupled to a bottom body so designed that the stapler can be used both as a gripper, by gripping the two bodies by a hand, and as a so-called table stapler, by causing the stapler to bear on a bottom plane.

Abstract: A fastener driving tool has a tool body with an axis, a piston, a muzzle extending from tool body, and a magazine coupled to the muzzle. The fastener driving tool has an axial locking mechanism associated with a rotatable muzzle to releasably lock the muzzle and coupled magazine in at least one position. The axial locking mechanism comprises male members and female members with the male members biased axially into the female members.

Abstract: A box nailing machine includes: a box nailing machine body having a nail driving port from which nails are driven; a handle portion having a handle arm; and a magazine for accommodating nails in it, the forward end portion of which is attached to the nail driving port, the portion of the magazine except for the forward end portion being attached to the handle portion via the handle arm. The magazine has a handle arm attaching portion for attaching the magazine to the handle arm. The magazine is made of metal and formed substantially U-shape by press forming. A washer is integrally formed in the handle arm attaching portion so that the washer is disposed between a head portion of a fixing bolt and the magazine.

Abstract: A nail stapler includes a gun and a magazine for receiving and supplying staple nails to the gun. The gun includes a shell, a solenoid received in the shell, a puncher received in the shell for movement from an original position to a punching position due to attraction by the solenoid, a pin secured to the puncher and inserted through the solenoid, a spring compressed between a portion of the solenoid and a portion of the puncher, and a security device received in the shell for buffering the puncher when the puncher is pushed from the punching position to the original position by the spring. The security device includes an elastic end for contact with the puncher. The nail elastic end of the security device includes a plurality of elastic elements. The puncher defines a cavity with a wall for contact with the elastic elements. The shell includes two halves each including a retainer formed on an internal face. The security device defines a groove for receiving the retainers of the halves of the shell.

Abstract: The present invention is directed to a system and method for building a consumable part refill, which may be a staple refill, the method comprising the steps of fabricating an array of consumable parts detachably connected along a first direction, stacking a plurality of such fabricated arrays of parts, or staple wire plates, along a second direction, and providing an adhesive bond between adjacent ones of this stacked plurality of arrays.

Abstract: A fastening system for driving fasteners through fastener caps. The fastening system includes a nail gun, an actuator system and a fastener cap dispenser, all mounted on a rolling chassis. The actuator system includes a wheel and an actuator in communication with the nail gun. As the wheel rotates, it intermittently engages the actuator which in turn fires a nail along a path. Drive air from the nail gun is vented to the fastener cap dispenser, which dispenses a fastener cap. In a preferred embodiment, the dispenser includes a picker including two pairs of movable teeth that engage two sides of two adjacent fastener caps to feed the fastener caps at high speeds. In a more preferred embodiment, the fastening system includes a fastener cap regulator that provides a constant feed of fastener caps to the dispenser, thereby preventing jamming of the same.

Abstract: A pneumatic nailer includes body for receiving the piston therein and a barrel is rotatably and movably inserted in a connection tube extending from the body. The piston rod is movably inserted in the barrel for ejecting the nail fed in the barrel. A magazine is connected to the barrel so that the magazine is rotatable relative to the body so that the magazine is rotated a new position and used in a space that the conventional magazine cannot be inserted.

Abstract: The invention discloses a user selectable shaped staples and a stapler for dispensing said user selectable staples. The stapler has a replaceable guide housing assembly designed for the particular user selectable staple having components including a punch, die and guide conforming substantially to the shape of the head of the staple for driving the user selectable staple into a designated material, such as sheets of paper, selected for said fastening method. The staples are comprised of a head portion and parallel leg portions with the legs extending substantially perpendicular from the planar head portion and wherein the head portion is of a style depicting a form such as a trademark, company logo, a letter or symbol of any kind.

Abstract: A nail cartridge for a nail gun includes a nail cartridge formed integral, and a nail pusher received completely in the nail cartridge so that the appearance of the whole nail cartridge look clean and neat. The nail pusher has a special structure so as to simplify its operation and handling.

Abstract: A nail cartridge structure for a nail gun has at least two nail cartridges and a nail cartridge switching unit that is connected to a front end of the gun body. The nail cartridges are used to hold either one size of nails or different sizes of nails, respectively. The nail cartridge switching unit is connected to the nail cartridges and is operated by the user to selectively switch the nail feed to the desired nail cartridge.

Abstract: A nailing machine comprises a machine body including a driving unit for driving a nail, a handle having an inner hollow portion formed as an accumulation chamber, the handle having one end mounted to the driving unit and another end to which a compressed air inlet port is formed, a filter disposed inside the accumulation chamber of the handle, and a nose portion mounted to the driving unit through which the nail is driven. The compressed air inlet port has an opening area smaller than a cross sectional area of an inner periphery of the handle, and the filter element is disposed in close contact to the compressed air inlet port.

Abstract: A setting tool for driving in fastening element includes a bolt guide (12) axially displaceably arranged in the tool housing (11), a magazine (15) projecting sidewise from the bolt guide (12) and displaceable in a direction opposite the setting direction (40) against a biasing force of a first spring (22) relative to the bolt guide (12), a second spring located between the housing (11) and the magazine (15) and having a maximal biasing force acting in the setting direction (40) and an excursion greater than a maximal biasing force and an excursion of the first spring (22); and an annular element (23) which surrounds the piston guide (13) of the tool and is located in a receiving space (20) formed in the housing (11) for transmitting a biasing force of the second spring (21) to at least one engagement surface (19) provided on the magazine (15).

Abstract: A nail stapler magazine includes a storage device for storing nails and staples, a feeder device for feeding the nails and the staples in the storage device, a gate device through which the nails and the staples can be fed, and a distinguisher device for distinguishing the nails from the staples and ensuring that that only one of the nails and staples is fed at a time.

Abstract: A nail gun carriage 10 is provided to support a nail gun 2 adjacent a surface such as a board B to be nailed by the nail gun 2. The nail gun carriage 10 includes at least one wheel 30 or other bearing surface which is located and oriented to rest directly against the boards B to be nailed by the nail gun 2 when the nail gun 2 attached to the nail gun carriage 10 is positioned properly for firing a nail into the board B. The wheel 30 is preferably rotatably supported by a frame 20 which is slidably attached to the nail gun 2. Alignment brackets 40 attach to the nail gun 2 and slidably attach to the frame 20 to keep the nail gun 2 aligned along a firing axis of the nail gun 2 during recoil and relative movement of the nail gun 2 with relationship to the frame 20.

Abstract: A setting tool for driving fastening elements into constructional components and parts and including a guide tube (3) for guiding a fastening element out, a device for displacing the fastening element through the side cut-out (13) formed in the guide tube (3) into interior of the guide tube (3), and a feeler element extending into the interior of the guide tube (3) opposite the side cut-out (13) with a depth by which the feeler element extends into the interior of the guide tube (3) being determined by a fastening element to-be-displaced into the interior of the guide tube (3).

Abstract: For use in a fastener driving tool, a fastener assembly includes a plurality of fasteners arranged in a row, each fastener including a head and an elongated shank and a carrier including a plurality of connected carrier sleeves for receiving and surrounding a portion of an associated fastener. Each of the carrier sleeves includes an axis, an upper breakable portion, a middle portion, a lower breakable portion, a pedestal associated with the lower breakable portion, the pedestal axially extending away from the lower breakable collar, and a pair of notches in the lower breakable portion, the pair of notches opening toward the head of the associated fastener.

Abstract: A supply mechanism for connected nails in a nailing machine is provided. The nailing machine includes a driver for driving the connected nail and a nose having a nail introduction portion and accommodating the driver. The supply mechanism includes a magazine and a pressing member. The magazine includes a nail guide surface connected to the nail introduction portion of the nose, and the nail guide surface has a corner portion on an upper end thereof for supporting nail heads of the connected nails. The pressing member is opposed to the nail guide surface of the magazine. The connected nails are stored in the magazine and held between the nail guide surface and the pressing member, and the connected nails contacted with the nail guide surface are supplied to the nose of the nailing machine.

Abstract: A fastener driving tool has a tool body with an axis, a piston, a muzzle extending from tool body, and a magazine coupled to the muzzle. The fastener driving tool has an axial locking mechanism associated with a rotatable muzzle to releasably lock the muzzle and coupled magazine in at least one position. The axial locking mechanism comprises male members and female members with the male members biased axially into the female members.

Abstract: A portable electric nailing gun operating from a power supply. The motor accelerates a flywheel, which at the appropriate energy state is coupled through a mechanism to an anvil acting directly on the nail. The actuation is governed by a control circuit and initiated from a trigger switch. The stored energy delivered from the motor is coupled to the output anvil drives the nail. At least one position of the output anvil is sensed and once the nail is driven, the power is disconnected from the motor. This method uses a direct acting clutch and a harmonic motion nailing mechanism to reduce wear and increase robustness of the nailer. Elastic elements are used to limit stresses during the impact periods. The electrical control circuit and sensors allow precise control and improve safety. The power supply is preferably a rechargeable low impedance battery pack.

Abstract: The present invention relates to a wire retainer of a stapler that is applicable for stapling objects with different staple size, and such stapler comprises a groove bracket being disposed at the bottom edge between two side casings for accommodating the staples; a staple roller assembly being disposed on the groove bracket; a staple plate being disposed at the front edge of the side casing for shooting the staple; characterized in that: a detachable wire retainer being disposed at the front edge of the staple plate of the stapler such that the user can switch the wire retainer of different specifications, and maintain a smooth and stable stapling working surface for different stapler specifications without a need of switching the stapler. The present invention effectively improves the current existing stapler that can only fit a single specification to attain the purpose of convenient operation.

Abstract: The inner surface of a nozzle of a nail driver has a taper in the driving direction near the output nozzle thereof to direct a tip of the nail toward an axis of the nozzle when the tip of the nail contacts with the taper to always drive the nail into a board perpendicularly.

Abstract: A magazine assembly for a fastening tool. The magazine assembly includes a feed mechanism having a fastener follower that includes a cam device. The feed mechanism also includes a cam follower which is employed to engage the cam device so that fasteners may be loaded into the magazine assembly. The cam follower alternately engages and disengages the cam device in response to movement of the fastener follower relative to the cam device. A method for operating a fastening tool is also provided.

Abstract: A setting tool including a stud guide (2) located in the tool housing (1), a hopper (3) extending sidewise of the stud guide and having a guide channel extending parallel to a longitudinal extent of the hopper (3) and having two guide regions (4, 5), a displaceable drawer (9) arranged in the guide channel, a scroll spring (7) provided in the drawer (9) for retaining the drawer (9) in its initial position and having its free end secured to the hopper (3), a cover (13) for closing the hopper and displaceable along the hopper (3) between closed and open positions, the cover (13) having an element (14) for displacing the drawer (9) from its initial position to its transporting position in which the drawer (9) clears a section of the guide channel for insertion of the nail magazine, and elements (6, 20) for formlockingly connecting the drawer (9) to the hopper (3) in the transporting position of the drawer (9).

Abstract: A driver unit of a vertically slidable type is constructed by mounting a staple cartridge to a cartridge holder so as to freely slide in a vertical direction, and by urging the staple cartridge toward a clincher unit opposed thereto by a spring. When a clincher sleeve has descended to push the staple cartridge, the staple cartridge will move up and down in parallel, and accordingly, a relative angle of a clincher to a driver plate will not change.

Abstract: An adapter attached to a fastener driving tool for installing siding on a structure. The adapter has a front face and a back face with an opening formed therebetween. A cavity is formed in the back face and a face plate of the fastener driving tool is received in the cavity. A jaw is formed on the front face of the adapter. The jaw on the adapter is abutted to the lateral ridge on the siding and the adapter is aligned with a selected lateral slot in the siding. The fastener is driven into the lateral slot with the head of the fastener spaced a predetermined distance from the structure.

Abstract: A fastener driving tool is provided having a housing with an axis, the housing enclosing a piston having a driver blade, a nosepiece associated with the housing and extending in the axial direction, the nosepiece having a barrel for accepting a fastener and for axially guiding the driver blade toward impact with the fastener, a magazine associated with the nosepiece for feeding a collation strip of fasteners to the barrel of the nosepiece, and a magazine follower slidably mounted on the magazine for biasing the collation strip of fasteners toward the nosepiece, the magazine follower having a profile, and wherein the collation strip includes an extension having a profile that complements the profile of the magazine follower.

Abstract: A magazine assembly for a fastening tool. The magazine assembly includes a feed mechanism having a fastener follower that includes a cam device. The feed mechanism also includes a cam follower which is employed to engage the cam device so that fasteners may be loaded into the magazine assembly. The cam follower alternately engages and disengages the cam device in response to movement of the fastener follower relative to the cam device. The magazine assembly also includes a clamp assembly for coupling the magazine assembly to the body of a fastening tool.

Abstract: A fastener collation strip has pairs of vertically aligned rail-engaging members or projections which have convergent sides disposed within at least two mutually orthogonal planes such that lower and upper tip regions of the rail-engaging members or projections define point-type contacts whereby the fastener collation strips are movably supported upon the rail members of the magazine section of the fastener-driving tool. As a result of the point-type contacts, frictional forces generated between the collation strips of fasteners and the rail members of the magazine section of the fastener-driving tool are effectively reduced as much as possible whereby the conveyance or transportation of the collation strips of fasteners through the magazine section of the fastener-driving tool is effectively facilitated so as to render the conveyance or transportation of the collation strips of fasteners through the magazine section of the fastener-driving tool as smooth as possible.

Abstract: The present invention provides a tool for driving a fastener from a detachable magazine. The tool includes a tool housing having a proximal end and a distal end and a power source enclosed by the housing. A nosepiece is attached to the housing and has a channel and a first alignment structure. The magazine is removably attached to the tool and has a magazine housing and a shear block that is mounted to the proximal end of the magazine housing. There is a second alignment structure and a face on the shear block such that the channel and the face form a barrel when the first alignment structure is engaged with the second alignment structure and the magazine is removably attached to the tool. Upon firing of the tool, the fastener is propelled by the power source, through the barrel and into the workpiece.

Abstract: A power stapler includes a body with a barrel and a handle is connected to the body by a connection plate. The handle has an open bottom end and an end member is engaged with the open bottom end. A connection portion extends from the handle and a magazine is connected between the connection portion and the barrel. The connection portion has a groove for receiving an L-shaped wrench. A safety device is connected to the barrel and has a link which contacts the trigger device.

Abstract: A staple cassette for a stapler includes a base member having two side walls and a pushing member are movably mounted onto the two side walls of the base member. A first hook extends from an underside of the base member and located close to a first end of the base member, and an opening is defined through the underside of the base member and located close to a second end of the base member. The pushing member has a second hook extending from an underside there. A spring has a first end hooked to the first hook on the base member and a second end of the spring extends through the opening and engaged with the second hook. A cover is mounted to the base member and includes an opening defined through the top of the cover. A top piece is slidably engaged with the opening of the cover.

Abstract: A fastening device for driving a fastener into a workpiece by effecting multiple blows upon the fastener comprises a housing and a striker assembly movably mounted within the housing. The striker assembly includes a driver assembly adapted to strike the fastener to be driven into the workpiece. A nose assembly is movably mounted on the housing and has a fastener drive track along which the driver assembly and the fastener travel when the fastener is driven into the workpiece. The fastening device has a feed mechanism operatively connected to the nose assembly for mechanically advancing the fastener into the fastener drive track. The fastener drive track has a guide surface adjacent the aperture of the nose assembly to direct the fastener as it is driven into the workpiece. A releasable fastener assembly releasably secures the nose assembly to the housing of the fastening device. A control assembly controls the operation of the fastening device to conserve energy.

Abstract: The present invention provides a tool for driving a fastener from a detachable magazine. The tool includes a tool housing having a proximal end and a distal end and a power source enclosed by the housing. A nosepiece is attached to the housing and has a channel and a first alignment structure. The magazine is removably attached to the tool and has a magazine housing and a shear block that is mounted to the proximal end of the magazine housing. There is a second alignment structure and a face on the shear block such that the channel and the face form a barrel when the first alignment structure is engaged with the second alignment structure and the magazine is removably attached to the tool. Upon firing of the tool, the fastener is propelled by the power source, through the barrel and into the workpiece.

Abstract: The present invention relates to a wire retainer of a stapler that is applicable for stapling objects with different staple size, and such stapler comprises a groove bracket being disposed at the bottom edge between two side casings for accommodating the staples; a staple roller assembly being disposed on the groove bracket; a staple plate being disposed at the front edge of the side casing for shooting the staple; characterized in that: a detachable wire retainer being disposed at the front edge of the staple plate of the stapler such that the user can switch the wire retainer of different specifications, and maintain a smooth and stable stapling working surface for different stapler specifications without a need of switching the stapler. The present invention effectively improves the current existing stapler that can only fit a single specification to attain the purpose of convenient operation.

Abstract: A nail guiding mechanism of nailing gun composed of a gun body, a nail magazine and the nail guiding mechanism. The nail guiding mechanism includes a bottom board, a middle board and a top board. The bottom board is connected between the gun body and the nail magazine. The middle board is locked on the top face of the bottom board. The middle board is formed with multiple connecting holes for multiple locating members to fit therein. The locating members protrude from the top face of the middle board. The top board is mounted on the top face of the middle board. The top board is formed with multiple locating holes respectively corresponding to the locating members. The locating members are respectively passed through the locating holes to protrude from the top board. A press shank and a latch ring are pivotally disposed on the top board. When pressing down the press shank, the latch ring is tightly latched with the locating members to fixedly connect the top board with the middle board.

Abstract: A multiple-loading magazine mechanism for a nailing machine comprising a nail feeding passage and first and second guiding portions. The nail feeding passage is for guiding one of plural rows of connected nails to a striking mechanism of the nailing machine. The first guiding portion faces the nail feeding passage, and the first guiding portion is rotatively disposed and arranged to separate one of the rows of the connected nails from the others. A second guiding portion is for feeding the connected nails.

Abstract: A tool has an improved nosepiece and shear block assembly that drives a fastener supplied from a plurality of fasteners. The assembly includes a nosepiece that is configured for attachment to the tool and defines a portion of a barrel and a shear block configured to be secured to the nosepiece to complete the barrel. There is an opening in barrel has for receiving a fastener. The assembly also includes a biased fastener-size adjustment device, which exerts a biasing force against fasteners adjacent the opening.

Abstract: An apparatus for feeding stapling elements grouped in sets to a stapling machine which is suitable to insert the elements astride the joint of strips arranged at an angle in order to provide perimetric frames, supporting frames and the like, comprising a magazine which is composed of at least one inclined channel suitable to accommodate a plurality of aligned sets and having a downward outlet for the sets, means for individually releasing the sets from the at least one channel through the outlet, a holder which comprises at least one seat arranged below the outlet of the at least one channel, actuators for actuating the holder between a position for receiving a set from the at least one channel in the at least one seat and a position for positioning the set with respect to the stapling machine so as to align the punch of the machine with the stapling elements to be inserted.

Abstract: A powered tool constructed to drive a fastener into a workpiece includes a nosepiece assembly including a back plate and a front plate combining to define a path for a driver blade, the front plate being pivotally movable relative to the back plate between a closed position, in which the front plate and the back plate are in contact with each other, and an open position. The front plate is movable to an interim deflecting position between the closed position and the open position. A handle portion has an outer surface at least partially defining a grip, and an inner surface at least partially defining a chamber. The handle portion includes a substrate having at least one aperture, and an overmold configured for forming a gripping surface on the outer surface and for extending through the apertures into the chamber for forming a resilient mounting point.

Abstract: A nail stapler magazine includes a first shell, an outlet element, a second shell, a plurality of positioning strips and a pusher. The first shell includes a first end, a second end, a deep groove defined therein for receiving nails each including a head, and a plurality of shallow grooves defined therein. When the nails are received in the magazine, their heads are received in one of the shallow grooves. The outlet element is formed at the first end of the first shell. The outlet element defines a slot through which the nails can be sent from the first shell into the outlet element and an outlet through which the nails can be ejected from the outlet element. The second shell is movable on the first shell. The second shell includes a first end, a second end and a plurality of grooves defined therein. Each of the positioning strips is received in one of the grooves defined in the second shell. Each of the positioning strips includes a protrusion for pressing the nails against the first shell.

Abstract: A nailing machine includes a nose member disposed in the leading end portion of a main body of the nailing machine for driving the leading nail of stick-shaped connected nails supplied thereto, and a magazine mounted in an opening formed in the side surface of the nose member for sequentially supplying the connected nails to the nose member. When the magazine is fit to the nose member, an elastic member is pressed in into a clearance provided between the nose member and the magazine.

Abstract: A fixing pin is attached to a winding end of a spring attached to a pusher of a nailing machine. A fixing plate with an engaging hole is engaged with the fixing pin from the outside of an opening of a magazine. The fixing pin is guided to a tapering section of the opening by moving the fixing plate in the direction of a nose section of the nailing machine to fix the fixing plate. Further, a magazine has a guide groove for guiding a T-shaped top portion formed at an upper end of the pusher and for guiding head portions of connected nails in an upper portion of a guide path of the pusher and the connected nails. A cover made of iron is attached to the inside of the guide groove. Thickness of a part of the pusher is smaller than the diameter of nail axis portions.

Abstract: A fastener driving tool includes a magazine comprised of a plurality of fastener slides, each of which carries a fasteners of a different size. The magazine is designed so that an operator may to choose to drive fasteners from any of the fastener slides. In one embodiment, the fastener slides are arranged around a central core. A rod supported by the tool's base and driver fits within the central core and provides an axis of rotation for the magazine. During rotation of the magazine, each slide can be aligned with the driver. Alignment of a slide is maintained by a position locking means. A feed means in each slide forces the fasteners down the slide and into the driver. In another embodiment, the fastener slides are arranged next to one another in the magazine. Each slide can be aligned with the driver by shifting the magazine laterally. A position locking means keeps the magazine in the proper alignment once a particular fastener slide has been chosen.

Abstract: In a fastener-driving tool having a reciprocating driver blade for driving fasteners into a workpiece, a magazine configured for storing and feeding at least one collated strip of fasteners to the driver blade, including a housing defining a feed end, a driving end and a guidance portion disposed between and contacting the two ends, the guidance portion having at least two guidance formations, a first guidance formation configured for engaging the fastener strip at a first location, and the second guidance formation configured for engaging the fastener strip at a second location. In a preferred embodiment, the fastener strip is supported only by the first guidance formation in a first zone of the magazine, and only by the second guidance formation is a second zone of the magazine.

Abstract: An anti-reversing device in the feed channel of a staple magazine containing staple blanks (ii), which magazine is accommodated in a stapler, wherein the staple blanks advance along a feed channel having channel guides (22) which support the staple blanks and wherein the supporting channel guides are equipped with stops (26) which prevent a staple blank which has advanced past the stops from moving in the direction opposite to the direction of feed.