Abstract: A clearance is set between a nail feeder and an outer profile portion so that the nail feeder can turn. A pin as a first restriction member that inhibits movement of the nail feeder to an ejection portion by engaging with the nail feeder and can release the engagement with the rotation of the nail feeder is provided to the outer profile portion. The position at which the nail feeder and a spring engage is set in deviation from the position at which the nail feeder and the pin engage, in a reciprocating direction of the nail feeder and in a vertical direction.

Abstract: To upgrade the practicability of the feed of a nail connecting body in a magazine by using a spring. The magazine (4) is provided with (a) a rectilinear loading part (13) which loads the nail connecting body N; and (b) a feed member (34) which is loaded on this rectilinear loading part (13) so that it can slide easily. The feed member (34) is provided with (c) a slider (35) which makes up the main body; and (d) a feed pawl (43). The feed pawl (43) is attached to the slider (35) by the pin (42) so that it can turn freely and so that it can latch onto and be detached from the nail connecting body N and it is energized by the dual purpose compression torsion spring (46) at a latching position. The feel pawl (43) can be latched onto any nail n of the nail connecting body N.

Abstract: There is provided a stapler which can perform a stapling operation with smaller force. A connected staple assembly cassette eliminates a metallic feed spring pressing the connected staple assembly, and instead, a reverse movement stop feeder is mounted. A mount sensor for sensing the mounting of the connected staple assembly cassette is provided for the stapler. In addition, a pusher piece is provided in order to follow up the reverse movement stop feeder in the connected staple assembly cassette with the sensing of the mount sensor and to push forward the reverse movement feeder. A magazine support spring for returning the staple mount magazine to the original position is eliminated, and the staple mount magazine can be returned to the original position by the released operation handle. During the advancing of the front staple in the staple lowering slit, the next staple can be blocked from advance movement.

Abstract: A clearance is set between a nail feeder and an outer profile portion so that the nail feeder can turn. A pin as a first restriction member that inhibits movement of the nail feeder to an ejection portion by engaging with the nail feeder and can release the engagement with the rotation of the nail feeder is provided to the outer profile portion. The position at which the nail feeder and a spring engage is set in deviation from the position at which the nail feeder and the pin engage, in a reciprocating direction of the nail feeder and in a vertical direction.

Abstract: A gas combustion type coil nailer is provided with (a) a main body (1) which is provided with combustion chamber; (b) a head part (3) which is disposed on the front surface of this; and (c) a magazine 4 which is disposed on the bottom surface of the head part (3) so that it can be attached and detached easily. A coil shaped nail connecting body is loaded onto the magazine (4). The head part (3) is provided with (d) a guide tube (35) through which the rod (17) and the nail n pass; and (e) with a feed motor (47). The nail connecting body N is fed to the guide tube (35) by a feed gear which is driven by the feed motor (47). Power is supplied to the feed motor (47) from a battery. The rod (17) is driven and the nail is fed by separate motive forces so that the nail can be fed reliably without adversely affecting the accuracy and reliability of the driving capacity of the rod (17).

Abstract: A magazine includes guide portions formed at a pair of side walls to be opposed to each other for introducing to guide a portion of a nail shaft portion, an opening portion formed on a base end side of a nose portion relative to the guide portion of one of the side walls, a first attaching portion formed on a front end side of the nose portion relative to the guide portion of the one side wall, a second attaching portion formed on the base end side of the nose portion relative to the guide portion of the other side wall, and a notched portion formed on the front end side of the nose portion relative to the guide portion of the other side wall.

Abstract: A stapler includes a base which has two connection plates on a top thereof and each connection plates include three holes. A magazine has one end pivotably connected to the hole located at the rear end of the base and staples are received in the magazine. A first arm has two grooves in the two sidewalls of the rear end thereof and is pivotably connected to the second hole of the connection plates. A second arm located between the first arm and the magazine, a rear end of the second arm movably engaged with the two grooves in the first arm. The second arm is pivotably connected to the third holes of the connection plates.

Abstract: [Object] To provide a stapler for fastening papers or the like, which can perform a proper stapling operation even though a handle thereof is given smaller force, can perform a stronger stapling operation, can reduce the production cost due to fewer parts and simple structure, and has a structure in which a structure in which staples does not accidentally pop out when refilling staples. [Solve] By pushing down a handle, a trigger member moves a puller or pusher member, and the movement of the puller or pusher member moves a fulcrum shaft B, which results in that an angle formed by a fulcrum shaft A, the fulcrum shaft B, and a fulcrum shaft C becomes closer to 180 degrees. In accordance with this, one end of a driver spring moves to the upper side to save power in the driver spring, and by pushing down the handle, the engagement between the trigger member and the puller or pusher member is released.

Abstract: An effort-saving stapler includes a shell device and a triggering device installed to the shell device. The triggering device includes a trigger, an operation element and two bearings. An end of the trigger defines a lever for user to hold, and another end of the trigger includes teeth engaging with the shell device. A pivot pin is adapted for inserting through the trigger, the operation element and the bearings so that the pivot pin can drive the operation element to move in the trigger. A limit pin is adapted for inserting through the trigger and the operation element and abuts with the shell device. The pivot pin is regarded as a fulcrum, while the trigger is pressed, the teeth of trigger engage with the shell device so that the pivot pin quickly moves with the trigger.

Abstract: A stapler 1 is provided with a cutter unit 12 for cutting a leading end portion of a staple leg projected to a back face side of sheets. A staple cartridge 20 containing a number of staples is formed with a chip containing portion 23 for containing a chip of the staple leg. The chip of the staple leg cut by the cutter unit 12 is guided into the chip containing portion 23 of the staple cartridge 20 by a chute 22 formed on the cutter unit 12. The chip of the staple leg is collected in the staple cartridge 20.

Abstract: A hand-held setting tool for driving fastening elements in a workpiece includes a muzzle member (20) axially displaceable relative to the tool housing (11) in a direction of an operational axis (A) of the setting tool (10), a feeding channel (28) for a fastening element strip (50) and arranged in the muzzle member (20) and opening into a fastening element the receiving chamber (29) provided in the muzzle member (20), and a locking member (40) arranged on the muzzle member (20) and forming a locking section (42) displaceable into the feeding channel (28), and a blocking section (41) for preventing displacement of the muzzle member relative to the housing.

Abstract: The present invention refers to a dry firing prevention device, especially for use in a nail gun with a drawer type magazine, in which the main body of the nail gun is equipped with a safety apparatus and a dry firing prevention device near a trigger. The dry firing prevention device is disposed on the magazine. When a nail pusher pushes nails until where last few nails are left, the nail pusher will contact with one end of the dry firing prevention device and the other end of the dry firing prevention device blocks the safety apparatus, so that the safety apparatus retains in a safety status to prevent the nail gun from dry firing, so as to prolong the lifetime of the nail gun.

Abstract: The present invention refers to a pushing device of a drawer type magazine apparatus, especially for use with nail guns, in which the magazine apparatus is coupled to a barrel and includes a magazine unit. The magazine unit is equipped with a fixed magazine and a removable nail loading assembly, which cooperates with a pushing device and a nail pusher. The pushing device is equipped with an accommodating member and a spiral spring, by means of the cooperation of the accommodating member and the spiral spring of the pushing device and the nail pusher, the nails can be pushed precisely and stably with an average thrust, so that the situation of nails slanting or getting nails stuck will not happen. The objectives of promoting the convenience for operators and providing durable nail guns are achieved.

Abstract: A hand-held setting tool for driving fastening elements in a workpiece includes a drive-in ram (12) displaceable in the guide (15) in which a receptacle (16) for the fastening elements (23) is located and which has a feeding opening (17) for the fastening elements (23) and located in a region of the receptacle (16), and a displacement device (30) for displacing the fastening elements (23) into the receptacle (16) and controlled by the drive-in ram (12).

Abstract: A fastener driving tool includes: a driver blade which is driven by compressed air so as to move in a vertical direction for striking a fastener such as a nail, an injection hole which guides said driver blade and forms a passage for the compressed air to be exhausted along with the movement of the driver blade, and a magazine for supplying the fastener to said injection hole, wherein an exhaust passage through which an interior of the injection hole is communicated with the atmosphere is provided between a lower end of the driver blade when the driver blade is positioned at a top dead center and a head part of the fastener which has been supplied into the injection hole.

Abstract: A staple gun has weight added so as to increase its inertia and has a cable guide member with cable guides at both ends that can be reversed for driving different sized staples. The stapler has a fulcrum member shaped to take advantage of greater hand strength when one's fingers are clenched as compared to hand strength when one's fingers are more outstretched. The feed head of the stapler is configured to prevent staples from jamming.

Abstract: The present invention uses the principle in which staples made of iron are attracted in a direction in which magnetic attraction force is generated. Using this principle, a permanent magnet is provided on a front wall of a staple magazine, so that a staple cartridge is attracted towards an ejection slot of the staple magazine by the magnetic attraction force of the permanent magnet. When a handle having a punching blade is pushed, the frontmost staple in the staple cartridge, which is aligned with the ejection slot, is ejected by the punching blade to staple paper sheets. After the frontmost staple is ejected, the staple cartridge is automatically moved to and brought into close contact with the front wall of the staple magazine such that a subsequent staple, which is in a frontmost position, is aligned with the ejection slot to prepare for a subsequent stapling operation.

Abstract: A stapler that requires exertion of less effort comprising a body, an electric motor, a power supply, a power supply switch, a motion transmission mechanism having a gear cluster driven by the electric motor, a staple driving mechanism having a driving blade and a staple magazine driven by the motion transmission mechanism. The motion transmission mechanism comprises a rocking arm, and the rocking arm is a crank which is composed of a connecting shaft and a rocking shaft. The end of the connecting shaft connects to the top of the driving blade. The end of the rocking shaft is a gear, and the gear of the rocking arm has teeth which mesh with teeth of at least one gear of the gear cluster. The motion transmission mechanism comprises a double pole changeover switch and a micro switch.

Abstract: Disclosed herein is a nailer having an improved safety device. With the improved safety device, a movable plate, which is adapted to slidably move along a lower surface of a guiding unit, is formed, at a certain location thereof, with an insertion hole for the insertion of a protrusion formed at a trigger. Thereby, if the trigger is pulled in a pressed state of the movable plate, a nailing operation is accomplished. Also, in the course of pulling the trigger, the movable plate can be further inserted rearward by a predetermined distance under interaction of the insertion hole and protrusion. This has the effect of eliminating the risk of causing scratches on a nailing surface of a target structure even if the movable plate is moved while coming into close contact, at a front end thereof, with the nailing surface, resulting in several advantages, such as for example, easy nailing operation, operator's convenient working posture, and rapid and safe nailing operation.

Abstract: A stapler that requires exertion of less effort comprising a body, an electric motor, a power supply, a power supply switch, a motion transmission mechanism having a gear cluster driven by the electric motor, a staple driving mechanism having a driving blade and a staple magazine driven by the motion transmission mechanism, the motion transmission mechanism comprises a rocking arm, and the rocking arm is a crank which is composed of a connecting shaft and a rocking shaft, the end of the connecting shaft connects to the top of the driving blade, the end of the rocking shaft is a gear, and the gear of the rocking arm has teeth which mesh with teeth of at least one gear of the gear cluster. The present invention is of a simple and practical construction, has components for rotation with a smaller angle of movement, requires less time for stapling and resetting, requires less time and effort for operation, and is capable of ensuring the consistency of the stapling quality.

Abstract: A magazine with a positioning device for a nail gun includes a magazine that has a nail loading port on one end thereof, and a gliding part that has a protruding part and a locking part. The magazine has fixing parts, penetrating parts and a stopping part. The gliding device has a nail storing part and is inserted into the receiving chamber. The gliding device is fixed by a positioning device, so that the gliding device will not depart from the magazine due to the bounce motion while nailing, and the protruding part and the locking part of the gliding device are not easy to get abrasion. The objectives of providing the operator a safe and secured working environment, prolonging the lifetime of the gliding device and securing the gliding device in position will be attained.

Abstract: A staple cartridge provided with a cartridge main body and a refill contained with connected staples. The refill is interchangeably attached to the cartridge main body. A guide portion for guiding the connected staples at an inside of the refill to a staple strike out portion is provided between a refill mounting portion and the staple strike out portion. Lower portions of the guide portion and the refill mounting portion are respectively arranged with a first actuator operated in accordance with a presence/absence of the connected staples at an inside of the guide portion and a second actuator provided in accordance with a presence/absence of the connected staples at an inside of the refill mounting portion. The first actuator and the second actuator are interlocked.

Abstract: A nail-driving device includes a housing, a trigger unit, a safety unit, a connecting unit, and a magazine. The safety unit includes first and second safety members disposed movably in the housing. The connecting unit includes a retaining portion disposed movably between the first and second safety members and in a retaining position whereat a force is applicable to the first safety member to move the second safety member to pivot a trigger arm of the trigger unit so as to allow for a nail-driving operation when the trigger unit is actuated. The magazine includes a pusher for pushing and moving nails in the magazine. The pusher is movable to a retention releasing position whereat the retaining portion of the safety unit is removed from the retaining position to thereby allow for relative movement of the first and second safety members so that a nail-driving operation is prevented.

Abstract: A magazine assembly for a pneumatic nailer includes a first end wall and a second end wall, a side panel and a cover pivotably connected to the magazine are connected between the first and second end walls. A plurality of first recessed areas are separated by first guide ribs in the magazine assembly so that the heads of nails are relieved between two adjacent first guide ribs and the shanks are received in the first recessed area. The nails are arranged such that a gap between the second end wall and the tips of the nails are maintained within a range whichever length of nails are used so as to ensure the nails are guided and ejected properly.

Abstract: The present invention is directed to a conventional stapling device used as a vehicle for advertisement in which substantially all area of its two largest elongated outer surfaces is utilized for displaying advertising materials. The stapling device comprises two pivotally connected stapling legs, a staple carriage extended from one of the stapling legs, advertising materials on at least one of the outer surfaces, and thereupon, a protecting transparent layer substantially covering all of the outer surface. The advertising materials are imprinted: in one embodiment, on an advertising layer interposed between the transparent layer and the outer surface; in another, on either the top or bottom surface of the transparent layer; and in still another embodiment, directly on the outer surface of the stapler.

Abstract: With a feeding roller 42 being in contact with the peripheral face of a rolled staple 3 composed of a larger number of staples linearly coupled to form a roll shape, the feeding roller 24 is rotated by a driving motor and the rolled staple 3 is rotated in a roll-winding direction so that the tip of the rolled staple 3 is guided/supplied to a staple supplying path 100.

Abstract: A hand-held drive-in tool driving fastening elements (60), e.g., nails in a workpiece (U) includes a magazine (61) projecting sidewise from the muzzle part (15) and having a spring-biased transporting slide (63) for displacing the fastening elements (60) in the magazine guide channel (62), a safety device (25) including a press-on member (14) secured on the tool muzzle part (15) of the tool, and a device (40) actuatable by the press-on member (14) for positioning of the transporting slide (63) and for displacing the transporting slide (63) against a biasing force of the transporting spring.

Abstract: A system comprising a clip machine having at least one interchangeable first closure tool movable relative to a second closure tool for closing clips around a packaging case of tubular or bag shape, and a clip supply; the first closure tool and the clip supply each having a respective identification; the clip machine having a first sensor device adapted to identify the identification of the clip supply and output a corresponding clip information signal, a second sensor device adapted to identify the identification of the first closure tool and output a corresponding closure tool information signal, and a control having a signal input coupled to the first and the second sensor devices and an evaluation unit adapted to evaluate the clip information signal and the closure tool information signal and to output a compatibility signal.

Abstract: A cartridge from which a staple refill cannot be taken out until all sheet-like connected staple is discharged. A cartridge is drawably provided in a stapler body and has a receiving room for receiving a staple refill, an engagement member with which one side of the staple refill is engaged, and a lock member for locking the engagement member. The lock member has a contact portion that comes in contact with a sheet-like connected staple, discharged from a discharge opening of the staple refill, when the staple refill is received in the receiving room. When the contact portion is in contact with the sheet-like connected staple, the lock member locks the engagement member to prevent separation of the staple refill.

Abstract: A combination device incorporating stapling and tape dispensing functions. The combination device has a conventional stapler comprising stapling and staple-forming legs, and a roll-shaped tape dispenser disposed within a cavity defined on an upper surface of the stapling leg. The cavity is permanently exposed to an exterior of the device for retaining a roll-shaped tape of various size, and for quick access thereto. It further has an ergonomically contoured hand grip on each leg and advertising material imprinted disposed on at least one its outer surface.

Abstract: An example hammer tacker includes a contact face for contacting a material and a firing mechanism adjacent the contact face. The firing mechanism drives a staple into the material when the contact face is brought into contact with the material. A curved staple guide extends from adjacent the contact face.

Abstract: A vertical hand stapler has a staple holder, a staple feeder with a housing that receives a staple from the staple holder; a hand operated plunger reciprocating within the staple feeder housing to eject a staple from the staple feeder and permit another staple to enter the feeder; and a deflecting retainer holding a staple in place within the staple feeder housing that is deflected by the plunger to permit a staple to be ejected from the staple feeder.

Abstract: An automatic fastener loader includes a support member and a feed tube having an end. The feed tube is mounted to the support member. In an exemplary embodiment, a pivotable frame is mounted for oscillation on the support member between a receiving position and a loading position. The frame includes a receiver for receiving a fastener. A holster is mounted to the support member for receiving a fastener driver to load a fastener onto a bit of the fastener driver when the frame is in the loading position. An actuator is mounted to the support member and is operatively connected to the pivotable frame for actuating the frame to index the frame between the receiving position and the loading position.

Abstract: An air injection mechanism for nail guns includes a gun body having an air chamber; a valve base having a rod hole disposed in the gun body; a movable valve rod, one end of the valve rod engages with the rod hole and extends out of the gun body to form a press end, and another end of the valve rod extends through the air chamber and fixes to another side surface of the gun body, the valve rod and the rod hole cooperate to form an air guiding gap therebetween, the valve rod includes a ringed pushing surface; an air guiding passage formed in the valve rod, which includes an air inlet port connecting to the air guiding gap and an air injection port connecting to environment; an O-ring disposed in the rod hold for controlling the flux of the air that discharged form the air injection port.

Abstract: A contact nose 15, in which an ejection opening 24 is formed coaxially with an ejection opening 18 of a nose portion 13 that guides a driver slidably, is slidably provided at an end part of the nose portion 13 to be urged in a direction of an end portion of the ejection opening 18. A guide slope 28 adapted to guide a tip end of a nail, which is hammered out tiltingly from the ejection opening 18 of the nose portion 13, into the ejection opening 24 is formed on an upper rear side of the ejection opening 24 of the contact nose 15.

Abstract: There is provided a stapler in which a cartridge can be mounted on a stapler body in a stable manner without wobbling, and fixing of the cartridge can be released in synchronization with opening operation of a door member. A stapler has a cartridge which is provided in a cartridge holding chamber of the stapler body in such a way that the cartridge can be pulled out from the cartridge holding chamber, and a locking shaft biased upward by an elastic member is provided in the lower portion of an opening in the cartridge holding chamber. The cartridge has a locking projection and a door member. When the cartridge is pushed into the cartridge holding chamber and held therein, the locking projection is locked with the above-described locking shaft, and, furthermore, the door member is biased in such a way that the opening of the cartridge holding chamber is closed by the above-described locking shaft. When the door member is opened, the locking shaft can be detached from the locking projection by the door member.

Abstract: A magazine has a nail groove for receiving nails and a nail gate being inserted into the nail groove or being disposed at one end of the nail groove. The nail gate has an elastic piece, a stopping plate extending from the elastic piece, and a tongue extending from the elastic piece. The nail gate opens when the nail firstly touches the tongue, and the nail gate closes when the nail firstly touches the stopping plate.

Abstract: The exhaust gas diffuser and filter system for a pneumatic nail gun provides for the diffusion and filtering of exhaust gas, which is typically pressurized air, generated by the pneumatic nail gun during usage thereof. The system includes a diffuser plate adapted for covering the exhaust ports of the pneumatic nail gun, and further includes a bag formed from an air permeable material, allowing for further diffusion and filtering of the exhaust gas. The diffuser plate has a plurality of fluid passages formed therethrough, and is adapted for releasable mounting on the exhaust portion of the pneumatic nail gun. The plurality of fluid passages diffuses the exhaust gas produced by the pneumatic nail gun during use. The bag provides for further muffling of exhaust noise and diffusion of the exhaust gas, and further provides filtering thereof.

Abstract: A power tool, such as a nailer, having a driver, a flywheel and an activation arm for selectively driving the driver into contact with the flywheel to transfer energy therebetween to cause the driver to translate. The power tool includes a bar that may be moved so as to resist movement of the activation arm in a direction that would bring the driver into contact with the flywheel. A method for operating a power tool is also provided.

Abstract: The present invention relates to a quick loading mechanism of magazine of a coil nailer and more particularly to a magazine of a coil nailer that has two corresponding receiving parts possessed on the connection device and the magazine base. Two grooves are implemented inside the receiving parts and two pivot parts are implemented on both sides of the magazine with two flanges provided on the two pivot parts. Through the match of the pivot parts and the flanges with the receiving parts and grooves, a user can rotate the magazine having it positioned slantwise so that the loading port of the magazine will be changed in position from right on the handle to slantwise, then unlock the fixing ridge on the barrel to load nails into the magazine. The mechanism is presumed to have nails being loaded quickly, more conveniently and safely, and the objective of easy operation and safe locking is attained as well.

Abstract: In a fastener-driving tool with a magazine, a nosepiece, and a driver blade slidably reciprocating relative to the nosepiece for driving fasteners, a mechanism for preventing jamming includes a follower slidably disposed inside the magazine for urging fasteners toward the nosepiece, and having a formation for engaging the driver blade and preventing driver blade reciprocation after the last fastener in the magazine has been driven.

Abstract: A pneumatic nail gun includes a gun body having a cylinder therein; a hitting piston disposed in the cylinder; a main air housing collecting high pressure air; a trigger at one end of the main air housing; a main passage disposed at a peripheral portion of the cylinder, the main passage being connecting with the main air housing for gathering high pressure air therein; and a bottom valve disposed at a bottom peripheral portion of the cylinder, the bottom valve being driven to upwardly move for continuously guiding high pressure air into the bottom chamber to drive the hitting piston upwardly move to reposit when the trigger is released. When the high pressure air in the main passage is recharged, the bottom valve is driven by the high pressure air gathered in the main passage to move downward to reposit after the hitting piston being reposited.

Abstract: A fastener driving tool having a magazine device including a magazine and a nail feeder. The magazine extends in a first direction and defines an accommodation portion for accommodating therein a fastener array. Each fastener has a shaft with a sharp-end and a head connected to the shaft. The plurality of fasteners are directed in a second direction perpendicular to the first direction and positioned side by side to form the fastener array extending in the first direction. The magazine has one end and another end in the second direction. One end is close to the sharp end of the fastener and another end is close to the head of the fastener. The accommodation portion includes an expanding portion having a width in a third direction perpendicular to the first direction and to the second direction. The width is gradually increased from the one end toward the other end.

Abstract: A cap suitable to receive a fastener for operation with a cap nailer. The cap includes a top surface and a bottom surface and an outer peripheral wall between the top and the bottom surfaces. The outer peripheral wall includes at least one planar surface, which receives an adhering strip that extends along a stack of similar caps to collate the stack of caps together.

Abstract: A pneumatic nailing mechanism with a housing forming a handle with opposite ends and a longitudinal axis extending therebetween. A cap magazine extends from the housing and includes a track and a slot defined within the track. A latch member includes with a first portion extendable through the slot into an internal volume of the magazine and a second portion extending radially out of the cap magazine. A bracket is provided that is configured to ride within the track and the latch member is rotatably connected to the bracket along an axis perpendicular to the cap magazine axis against the biasing force of a spring.

Abstract: A pneumatic nailing mechanism with a housing forming a handle with opposite ends and a longitudinal axis extending therebetween. A cap magazine extends from the housing and is capable of receiving a plurality of stacked caps. A movable shuttle translates a cap from the cap magazine to below the nail driving mechanism for receiving the nail driven by the nail driving mechanism and the stack of caps above the lowest cap is retained within the cap magazine during translation of the shuttle.

Abstract: The fastener tool includes a nosepiece, a nosepiece cover pivotally attached to the nosepiece, a latch pivotally attached to the nosepiece cover, a latch wire pivotally attached to the latch for engaging at least one hook disposed on the nosepiece, wherein the latch wire has a portion extending between the latch and the hook, the portion having at least two bends.

Abstract: A stapler with a staple-supporting device has a base, a cover, a holding bracket and a pushing device. The base, the cover and the holding bracket are mounted pivotally together. The cover has a staple spade and the holding bracket has a corresponding staple outlet. The pushing device is mounted slidably in the holding device and has a pivoting staple-supporting device. A series of staple is mounted in the holding bracket, and the last staple is mounted on the staple-supporting device. When only one staple is left in the holding bracket, the staple-supporting device keeps the staple from falling out of the staple outlet.

Abstract: A combustion nailer is configured for use with a fuel cell having an internal metering valve and a reciprocating, biased main stem. The nailer includes a tool housing defining a fuel cell chamber constructed and arranged for receiving the fuel cell, a fuel cell actuator assembly configured for actuating the fuel cell in the chamber to emit a measured dose of fuel during tool operation, and a fuel delivery apparatus associated with the actuator assembly for receiving the emitted dose of fuel and providing it to a combustion chamber. The fuel delivery apparatus is configured for preventing actuation of the main stem by the actuator assembly upon the fuel cell being adapter-free.

Abstract: The invention is a stapling device comprised of an articulation section having a staple cartridge containing staples and parts of a staple-firing mechanism located at one end and an anvil portion located at the other end. The front surfaces of the anvil and the cartridge are curved. When the articulation section is bent the curved front surfaces of the anvil and the cartridge are brought opposite each other. As the distance between said curved surfaces is reduced, their curvature helps to correct transverse misalignment and to bring the anvil and the cartridge into the correct working relationship.