Abstract: A system for treating a prostate includes a cartridge, a handle configured to receive the cartridge, and an anchor assembly. The cartridge includes the anchor assembly and the handle includes an actuator and a spring mechanism loaded with mechanical energy. The cartridge and handle mate via pivoting and are aligned via alignment features.

Abstract: A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife.

Abstract: A surgical fastener applying apparatus (10) including a cartridge supporting section (200) and an anvil supporting section (100). The cartridge supporting section includes a distal section (206) and a proximal section (210) and the anvil supporting section and cartridge supporting section are configured to clamp tissue therebetween. The anvil supporting section has a distal fastener receiving region (102), a proximal clamping region (104) and an intermediate region (106) between the fastener receiving region and the clamping region. The proximal clamping region is positioned on a first side of the cartridge supporting section and the fastener receiving region is positioned on a second opposing side of the cartridge supporting section.

Abstract: A device for separating needles (1) includes a receiving element (2) for needles (1) and a separating device (3). The receiving element (2) includes at least one through opening (4). The separating device (3) includes an ejection device (5) which can be passed through the through-opening (4) of the receiving element (2). The ejection device (5) has a contact area (6) on the upper edge which corresponds at least to a needle (1) and detects the needle.

Abstract: Improved tissue fasteners are disclosed that can be inserted into (and optionally through) tissue structures underlying a tissue surface for affixing overlapping tissues and tissue planes together, and the like. In some embodiments, an elongate anvil body may protrude distally and/or laterally from a fastener support disposed along the base. The anvil body may have a sharpened end and be configured to penetrate into the tissue, with the elongate anvil body optionally having a bend from a more distal orientation adjacent the clip support to a more lateral orientation adjacent the sharpened end during at least a portion of the deployment. The first leg can be driven through a desired location on the surface of the first tissue and against a receptacle of the anvil body so as to deform the fastener and affix it to the first tissue.

Abstract: A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife.

Abstract: A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife.

Abstract: A surgical stapling apparatus is provided and includes a housing, an elongated member, an end effector, and a staple formation circuit. The elongated member extends from the housing. The end effector is disposed on an end of the elongated member and has first and second jaws. The first jaw includes a staple cartridge having a plurality of staples. Each of the staples has first and second legs. The second jaw has a plurality of staple forming pockets. The staple formation circuit may be disposed on the second jaw. The staple formation circuit communicates a signal to a controller coupled to the staple formation circuit. The signal is representative of one or more of a formation, a malformation, and a nonformation of one or both of the first and second legs of one or more of the staples within one or more of the staple forming pockets.

Abstract: A staple-refill 11 is provided with: a casing 12 in which a plurality of sheet-type connected staples 10 are stacked; a staple inserting port 14; a staple discharge port 16; a cover member 15 which covers the sheet-type connected staples 10 in the casing 12 from a side of the staple inserting port 14; and a notch portion 18 formed in the casing 12 and extending from an edge of the staple inserting port 14 in an insertion direction.

Abstract: A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife.

Abstract: A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife.

Abstract: Stapler (1) for driving staples (4) into a workpiece (6), comprising a body (2), an elastic member (7) connected to a driver (9) and an articulated arrangement (12) for tensioning of the member (7) comprising a lever (13) with a long arm (15) and a short arm (16) coupled rotatably to the body by a first coupling shaft (14), an articulated arm (17) coupled rotatably to the body by a second coupling shaft (18) and connected to the member (7) in a force-influencing manner, an intermediate joint (19) with a third coupling shaft (20) assigned rotatably to the short arm (16) at a first distance (a) from the first coupling shaft and assigned rotatably to the articulated arm (17) with a fourth coupling shaft (21) at a second distance (b) from the third coupling shaft (20), the first distance has the distance line (a) and the second distance has the distance line (?), which form the angle (?) between themselves, the member (7) is tensioned in that the lever (13) is rotated (N) about coupling shaft (14) from a starting

Abstract: A surgical device comprising a handle housing, an adapter, an elongated portion, an end effector, a first drive element, and a second drive element is disclosed. The adapter includes a first drive assembly configured to mechanically engage a portion of a first actuation mechanism of the handle housing. The elongated portion is configured to extend distally from the adapter. The first drive element is disposed in mechanical cooperation with the first drive assembly. The second drive element is disposed in mechanical cooperation with the first drive assembly. Rotation of the first drive assembly in a first direction about the longitudinal axis causes distal translation of the first drive element. Rotation of the first drive assembly in a second direction about the longitudinal axis causes distal translation of the second drive element. The first direction is opposite from the second direction.

Abstract: A composite laminate reinforcing tool may be used to form a reinforced joint at a bond line of a composite laminate structure. The tool may hold one or more clips having posts, and the tool may be positioned along the bond line between at least two composite laminate elements. Joint sections of the clip may be heated to increase a pliability of the joint section, and the tool may be actuated to drive the post through the at least two composite laminate elements. The posts, may deflect toward a base of the clip, thereby to seat the clip. The reinforced composite laminate structure may then be cured.

Abstract: A staple-refill 11 is provided with: a casing 12 in which a connected staple 10 is accommodated and which is to be mounted in a main-body of a stapling-machine 1; a staple discharge portion 16; and a pushed portion 29 which is provided on the casing 12 and to be pushed by a push portion 102 that pushes the casing 12 towards a staple guide portion 75 of a stapling-machine main-body.

Abstract: A staple-refill 11 is provided with: a casing 12 in which a connected staple 10 is accommodated; a staple discharge port 16; a first positioning projection 17d on a surface 12a of the casing 12 on which the staple discharge portion 16 is formed; and a second positioning projection 19 on a surface 12d of the casing 12 which is opposite to the surface 12a on which the staple discharge portion 16 is formed.

Abstract: In a pneumatically actuatable surgical instrument comprising a handle and a pressurized gas operated tool arranged at the handle, a replaceable pressurized gas reservoir and a locking device for fixing the pressurized gas reservoir on the handle in an operative position in which the pressurized gas reservoir is connected to a pressurized gas channel by which the tool is supplied with pressurized gas, it is proposed, in order to improve the handling of the pressurized gas reservoir, that the instrument further comprises an unlocking device for releasing the fixing of the pressurized gas reservoir in the operative position.

Abstract: A surgical fastener applying apparatus for applying fasteners to body tissue including a cartridge receiving half-section defining an elongated channel member configured to releasably receive a stationary housing of a firing assembly. The stationary housing is dimensioned to releasably receive a single use loading unit therein, and includes a lockout structure that prevents insertion of the stationary housing into the cartridge receiving half-section if the single use loading unit is not mounted in the stationary housing.

Abstract: An override mechanism for a nailer includes a nose unit, a magazine, a safety bar, a lever, a pivotal plate and a restriction member. The safety bar has one side slidably engaged with the guide slot of the nose unit. The lever has an extension and a pressing portion on two ends thereof. The pivotal plate has a base portion and an operation end, and the pivotal plate is pivotable relative to the extension of the lever. The operation end extends through the magazine and enters one of the grooves in the magazine. The operation end is located on the movement track of the side plate of the push plate. The restriction member is movably located in the longitudinal hole of the base. The user is acknowledged when a pre-set number of nails is remained in the magazine by restricting movement of the safety bar.

Abstract: A trigger mechanism for a fastening tool having a spring curl trip actuator. The spring curl trip actuator can be made of a flexible material and can be configured to exert a force upon a trigger switch. The spring curl trip actuator can also absorb force from a contact trip. The spring curl trip actuator can have compact height and length dimensions. The fastening tool can use a method for controlling triggering by using a spring curl trip actuator.

Abstract: A nail clamp includes a clamp body and a nail, the clamp body includes a first side which is provided with a rib extending in a direction X, and a second side which is provided with an engaging groove, the engaging groove includes an opening end located at the closed end of the clamp portion, and a bottom end located between the closed end and the open end of the clamp body, the rib of one nail clamp is inserted into the engaging groove of another nail clamp, so that two nail clamps are connected into a nail clamp strip in a stepped manner. When the nail is being fired, the nail is slantingly position relative to the nailing surface to avoid the walls surrounding the nail clamp, thus allowing the nail gun to conveniently fix the nail clamp to the nailing surface in corners.

Abstract: A medical stapler according to the present invention includes a magazine containing staples, a rail for aligning the staples, and a mechanism for punching out staples; a lever for actuating the mechanism for punching out the staples; and a housing for enclosing and connecting the magazine and the lever. An inner surface of the housing includes a linear positioning portion continuing from an opening of the housing, and a latching portion for latching the magazine, a surface of the magazine tangent to the inner surface of the housing includes a positioning portion conforming to the positioning portion of the housing, and a latching portion conforming to the latching portion of the housing, and combining the positioning portion of the housing and the positioning portion of the magazine, and fitting the latching portion of the housing and the latching portion of the magazine connect the housing and the magazine.

Abstract: A staple refill includes a refill body accommodating sheet-type connected staples. The refill body includes a bottom wall, a right wall provided on a right side of the bottom wall, and a left wall provided on a left side of the bottom wall. A pressing member is provided in the refill body in a movable manner to press the sheet-type connected staples. The refill body is formed with an opening such that the sheet-type connected staples inside the refill body are visible through the opening, and the pressing member includes a protruding portion configured to enter the opening.

Abstract: An improved driving tool is provided which can prevent malfunction in detection of the number of fasteners remaining in a magazine. A representative driving tool includes a driving member for driving fasteners and a magazine for storing the fasteners. The driving tool further includes a driving tool actuation control member that can be switched between an actuating position and a deactuating position, and a retaining member that can be switched between a retaining position and a releasing position. The retaining member is switched from the retaining position to the releasing position according to the number of remaining fasteners in the magazine and the driving tool actuation control member is switched from the actuating position to the deactuating position when the retaining member is switched to the releasing position.

Abstract: The present invention consists of the complete integration of a self arming controlled action pneumatic fastener magazine slider (pusher and feeder) within the two legs of a stack of U-shape staples on a magazine support rail, thanks to the interplay of two pairs of releasably interlocking sensor and keys fastener pusher elements. In one embodiment of the invention, the slider system is self-arming and fits within an elbowed magazine for receiving fasteners, but works along the straight portion of the magazine. This slider system will accommodate elongated magazine holding a larger number of fasteners. The slider system will decrease the time required for fastener reloading by simplifying operations and enabling a greater flexibility for the operator. A fastener retention device may be provide to the fastener pusher, defining an operative mode active with a large storage load of fasteners into the magazine, and a inoperative mode triggered when the load of magazine feeders decreases below a threshold value.

Abstract: A fastener driving tool includes a power source including a cylinder, a piston with a driver blade reciprocating in the cylinder, a tool nose associated with the power source for receiving the driver blade for driving fasteners fed into the nose, and a magazine housing a supply of the fasteners. A magazine feeder mechanism is associated with the magazine for sequentially feeding fasteners into the nose, and the feeder mechanism includes a reciprocating feed piston. A conduit is connected between a port in the cylinder and the feed mechanism for diverting combusted gas for activating the feed piston. The port is disposed in the cylinder a specified distance below a piston prefiring position, the distance being reflective of a delay of activating the feed piston until the drive piston finishes a driving stroke and begins a return to the prefiring position.

Abstract: A fastening tool can include a housing comprising a nosepiece and a handle. The handle can define a first longitudinal axis. A magazine can be connected to the housing for storing a fastener. The magazine can define a second longitudinal axis that is substantially parallel to the first longitudinal axis and a fastener channel for receiving a fastener. The magazine can be movable relative to the housing between an alignment position wherein the distal tip of the fastener engages a workpiece and an activation position wherein the magazine moves toward the housing upon movement of the handle toward the workpiece. A driving mechanism can be disposed within the housing for driving the fastener into a workpiece. A trigger assembly can be coupled to the housing for activating the driving mechanism upon actuation of a primary trigger and movement of the magazine into the activation position.

Abstract: A marker setter is described that includes a magazine holding a plurality of stacked planar markers, each marker having a flag section and a post section with a distal tip; a marker extractor adapted to extract a marker from the stacked plurality of markers and convey the marker along a pathway to insert the tip of the marker into the ground, the marker extractor having a post inserter with a distal end; and a tip deflector adapted to bend the marker distal tip around the post setter distal end prior to insertion of the tip into the ground. The tip deflector includes a deflector plate pivotal between an initial position in the pathway of the marker tip and post inserter, and a forward position beneath the pathway, the deflector being moved to the forward position by the post inserter while bending the marker tip around the post inserter distal end.

Abstract: A nail guiding device for nailers includes a guide plate located between the opening of the casing of the nailer and the magazine. The guide plate has a guide slot and two flanges on two sides of the guide slot. The end of the cover contacts the flanges and the strike plate is movable within the guide slot. The guide plate has at least one guide block on a face facing the opening. An adjustment plate is located in the casing and has at least one adjustment block. A resilient member located in the casing and biases the guide plate to make the at least one guide block contact the at least one adjustment block or move over the at least one guide block to adjust the distance between the guide plate and the magazine, such that the nails of different sizes can be used in the nailer.

Abstract: A fastener supply assembly for a fastener driving tool includes an outlet passage arranged to expel fasteners from the assembly to a workpiece during use, a magazine comprising a plurality of supply channels arranged to hold fasteners and supply them to the outlet passage, and a channel selector. The channel select has an opening and is arranged to selectively connect, via its opening, the outlet passage with each respective supply channel of the magazine, by movement of the channel selector relative to both the magazine and a longitudinal axis of the outlet passage. The movement of the channel selector may comprise rotation about the longitudinal axis of the outlet passage.

Abstract: A cordless nailer is provided having a magazine assembly with improved features. A pusher assembly is provided having a simplified and efficient construction. A pusher retention feature is provided that prevents the driver blade from impacting a nail pusher. A nail retention feature is provided to allow easy loading and unloading of nails into the nailer. Finally, a method of assembling the magazine assembly is provided.

Abstract: A collation comprises a plurality of sleeves for supporting and carrying a plurality of fasteners through a magazine, wherein each of the plurality of sleeves have a front and a predetermined length of between about ¼ and about 0.4 inch, each of the plurality of fasteners have a predetermined length of between about ¾ inch and about 1 ½ inch and a tip located at a predetermined position from about 0.05 inch behind the sleeve front to about ¼ inch beyond the sleeve front, frangible bridges integrally connecting the plurality of sleeves together in a serial array and facilitating the separation of a leading one of the plurality of sleeves from remaining ones of the plurality of serially arranged sleeves when a drive member of the fastener driving tool drives a leading one of the fasteners disposed within the leading one of the sleeves, and a plurality of protrusions from the sleeves for engaging the rails in the magazine.

Abstract: An automatic fastening device includes a driving mechanism for driving a double-headed fastener and a magazine for receiving and delivering the double-headed fastener to the driving mechanism. The magazine includes a first channel that receives a first head of the fastener and a second channel that receives a second head of the same fastener. The first and second channels guide the fastener along the magazine and toward an actuation component of the driving mechanism for driving the fastener into an object. A plurality of double-headed fasteners are inserted into the magazine, guided by the magazine to the driving mechanism, and driven one at a time into an object such that the first head of the fasteners extends from the object for easy removal of the fasteners.

Abstract: A staple cartridge for a tacker includes two side plates with a bottom plate connected therebetween to form the U-shaped staple cartridge. Each side plate has a front end and each front end has a guide portion protruding from outside thereof. Each guide portion has a guide face facing toward a front direction of the side plate and the guide face of each guide portion is an inclined face relative to the front end. The staples are guided by the guide faces to move in straight so as to easily staple the object.

Abstract: A fastening tool includes an actuation device configured to actuate a drive engine of the tool to initiate a drive stroke. The actuation device includes a contact trip assembly operatively connected to the movable portion of the nose assembly. The contact trip assembly a lower contact arm connected to the movable portion of the nose assembly biased in the retracted position and movable to the extended position with the moveable portion of the nose assembly, and an upper contact arm operatively connected to the lower contact arm. The actuation device includes a trigger assembly that includes a trigger, a trigger arm pivotally supported by the trigger and configured to interact with the upper contact arm, and a check pawl configured to engage an opening in the upper contact arm when the upper contact arm moves downward to prevent the tool from being operated in a contact trip mode.

Abstract: A switching adapter for enabling individual settings with a hand-held setting tool (10) having a magazine (40) for fastening elements (51), and a detection element (31) for detecting presence of a fastening element (51) in a receiving chamber of the setting tool. The adapter (60) includes a retaining section (61) for releasably mounting the switching adapter (60) on the fastening elements magazine (40) of the setting tool (10), and an actuation section (62) that displaces the detection element (31) of the setting tool from its a locking position to its release position.

Abstract: To provide a stapler for fastening even a large number of sheets of paper whether used as a desktop or hand-held stapler, there is provided a stapler having above a base portion a clincher portion where sheets of paper are placed and a housing portion including a magazine portion accommodating staples and a driving blade driving out the staples, including within the base portion a desk resting lever actuated when the base portion is placed on a desk, a plate which slides when the desk resting lever is actuated and a slider receiver, wherein with the base portion placed on the desk, the desk resting lever is actuated, causing the plate to slide to thereby cause the slider receiver integral with the plate to move slightly, so that the movement towards the base portion of the clincher portion operating in association with rotation of the handle portion is delayed.

Abstract: A stapling element is provided, operative to pierce and penetrate a tissue by a first end, and close around the tissue. Three factors help prevent local necrosis: 1. The self-closing feature of the staple does not lead to tissue crushing. 2. Edge seams are applied generally perpendicular to the tissue edge, allowing for blood supply to the tissue edge. 3. Excess tissue is cut off at the seam, minimizing the amount of tissue that may undergo local necrosis. A physical feature prevents the staple from rotating, when in an application shaft, to maintain a predetermined closing direction. The stapling element may be formed of an alloy, a pure metal, a polymer, or a composite of at least two materials. Additionally, staplers, anastomosis devices, and methods for their applications are described.

Abstract: The invention relates to a cable clip gun (1) for securing clips (10) with a pin (11) into a surface Y. Gun (1) has a gun body, storage means (4) to store a plurality of clips, a driver station (5), a delivery means (4) to deliver a clip from the storage to the driver station, and a driver (6) to drive the clip pin into the surface to secure the cable to the surface.

Abstract: A driving tool is provided in which contact arms of the driving tool are symmetrically arranged at lateral sides of the drive passage, and contact portions of the contact arms are movable between an ON position and an OFF position. Further, the driving tool is configured such that each contact portion is independently movable between the ON position and the OFF position, and when both of the contact portions are moved to the ON position, the driving operation of a drive unit is allowed to operate, and when only one of the contact portions is moved to the ON position, the driving operation of the drive unit is not allowed to operate.

Abstract: A fastener driving device includes a housing assembly, a nose assembly connected to the housing assembly, a magazine for carrying a supply of fasteners through a feed channel along a feed direction toward the nose assembly, and a plurality of stop pawls independently movable about a common pivot axis. Each stop pawl has a distal end extending into the feed channel.

Abstract: A magazine assembly for a fastener driving tool having a nosepiece defining a fastener passageway includes an inner mobile member at least partially defining at least first and second chambers for receiving fasteners, and an outer stationary member at least partially surrounding the inner mobile member and engageable relative to the nosepiece. The inner mobile member is movable relative to the outer stationary member in a direction transverse to fastener travel in the magazine assembly.

Abstract: A surgical stapler for visually indicating to a user the stage of operation of the stapler. The surgical stapler includes a body, a stapling assembly positioned on a distal end of the body including a cartridge assembly and an anvil assembly, and a thrust bar slidably disposed within the body. The thrust bar is configured to advance distally from a retracted position to a first advanced position during approximation of the cartridge assembly towards the anvil assembly and advance further to a second advanced position to cause the release of staples from the cartridge assembly. An indicator member is connected to the thrust bar and configured to provide visual indication to a user upon complete approximation of the cartridge assembly and upon release of staples from the cartridge assembly.

Abstract: A nail guiding structure of the present invention is disposed inside of the nail gun having a nail rail. The nail guiding structure includes one or more supporting members and a holding mechanism. The supporting member can move between a first and a second position, wherein the supporting member can move toward the first position to elastically push nails in the air gun, so that the nails can be vertically held in front of the nail rail. The holding mechanism can selectively hold the supporting member, so that the supporting cannot move back to the second position. Thereby, a user can move the holding mechanism to adapt for different thicknesses of nails. Only one nail can move to the front of the nail rail every time when a punching board of the nail gun punches. Consequently, the problems of nail jamming or crookedly stapling are prevented.

Abstract: The present invention relates to a magazine of a setting device for storing and feeding a plurality of joining elements, particularly of joining elements, such as setting fasteners, to a provisioning module for joining elements and a setting device in combination with the joining elements. The magazine has a base element within the setting device including a storage groove, in which the joining elements can be received in an aligned and jointly moveable manner and one end of the base element ends in a head piece of the setting device. The magazine further includes an advancing mechanism, by which the joining elements can be moved within the storage groove towards the head piece of the setting device, as well as a dispensing mechanism, by which the joining elements can be fed individually from the storage groove to the head piece of the setting device.

Abstract: A cordless nailer is provided having a magazine assembly with improved features. An improved latch mechanism for clearing nail jams is provided that reduces wear on the latch. A driver retention feature is provided to retain a drive blade from accidentally escaping the nailer. A pusher assembly is provided having a simplified and efficient construction. A pusher retention feature is provided that prevents the driver blade from impacting a nail pusher. A nail retention feature is provided to allow easy loading and unloading of nails into the nailer. Finally, a method of assembling the magazine assembly is provided.

Abstract: A fastener driving device includes a nose assembly having a drive channel, a magazine for carrying a supply of fasteners through a feed channel along a feed channel direction toward the nose assembly, and one or more mechanisms for preventing undesirable movement of fasteners. The mechanisms may include a first stop pawl and a second stop pawl for preventing the supply of fasteners from moving along a direction opposite to the feed channel direction. The stop pawls may extend from a common side of the feed channel and pivot on a common axis. The mechanisms may also include a first nail stop, a second nail stop and/or a movable nail stop.

Abstract: A position-limiting device forms a portion of a magazine assembly of a powder-actuated fastener-driving gun, and includes a nail-guiding pipe and a clamping unit. The nail-guiding pipe extends through a sleeve of a magazine assembly such that an end of the nail-guiding pipe is disposed outwardly of the sleeve. The nail-guiding pipe includes a tubular body, a nail passage hole formed in the tubular body and in spatial communication with the nail-receiving space in the magazine housing so as to allow one of the nails to be moved from the magazine housing into the nail-guiding pipe therethrough, and two aligned apertures formed respectively in two opposite sides of the tubular body. The clamping unit is disposed on the nail-guiding pipe, and extends through the apertures for clamping the one of the nails disposed within the nail-guiding pipe.

Abstract: A flat-clinch stapler has a base, a magazine assembly, a handle device, a flat-clinch device and a buffering device. The magazine assembly and the handle device are pivotally connected with the base. The flat-clinch device has a slider and a moving board. The slider is slidably mounted on the base. The moving board is mounted above the slider and is pivotally connected with the base. The buffering device has a protrusion, a block and an elastic member. The protrusion is securely disposed on the moving board. The block is slidably mounted on the base and abuts the protrusion. The elastic member abuts the block and the base. When the moving board is pivoted, the block is driven by the protrusion to move.

Abstract: In a gas combustion type nail driving device, a head part (3) which is disposed on the front surface of the main body is provided with (a) a guide tube (35) through which a rod (17) and a nail n pass; (b) a main guide body (36) on which the guide tube (35) is disposed; (c) a subguide (37) which makes a pair with the main guide body (36) and forms a nail feed space; (d) a feed motor (48); and (e) a gear unit (46) which is driven by the feed motor (47). The nail connecting body N is fed to the guide tube (35) by the feed gear (73).