Abstract: An energy storage mechanism and a nail gun having the same. The nail gun includes a driving mechanism having a piston, a nail striking member co-movably connected to the piston, and a driving member being operably alternatively engaged and disengaged with the nail striking member. The energy storage mechanism includes a cylinder and at least one spring disposed in the cylinder such that an engagement of the driving member with the nail striking member causes the piston to move backward in the cylinder to push the at least one spring into a contract state so as to store energy therein, and an disengagement of the driving member with the nail striking member causes the least one spring to release the stored energy therein to push the piston to move frontward in the cylinder so that the nail striking member is co-moved therewith to strike a nail out of a muzzle.

Abstract: There are provided a bolt caulking method and a bolt caulking device which ensure supply and caulking of a bolt as a single operation. The method is a bolt caulking method including supplying a bolt into a nose piece having a vertical hole, and lowering a punch from above to drive the bolt into a metal plate. The bolt is supplied through a pipe connected to a side of the nose piece, and dropped into a vertical hole formed in the nose piece along an inclined hole formed at a tip end of the pipe with a head part of the bolt being located on the topside. Thereafter, the punch which ejects air from a central hole is lowered within the vertical hole to drive the bolt into a metal plate while holding the bolt at a lower part of the vertical hole by the ejecting air flow.

Abstract: A method for supplying, positioning and processing fixing elements using a transport means which moves the fixing elements from a starting position to a processing position whereby the individual fixing elements are introduced into a chuck provided with two clamping jaws, are held by the clamping jaws in an engaging position and, once the chuck has been positioned, are taken up from this position by a driving element and the chuck presses them against a locating device and a connection is made to a component part by the driving element when the chuck is opened, wherein the upward motion of the chuck, while feeding the fixing element to the locating device, prevents the supply of further fixing elements to the chuck.

Abstract: A rivet dispenser and method for manually loading a handheld rivet gun. The handheld rivet gun may include an attachment port, and the rivet dispenser may have a unitary, single-piece tool body having channels formed therein, sized and shaped to retain heads of a plurality of rivets. The method may include grasping the rivet dispenser in a first hand, grasping the rivet gun in a second hand, and inserting an end of one rivet, extending outward from the rivet dispenser, into the attachment port, thus attaching the rivet to the handheld rivet gun. The method may then include sliding the one rivet through and out of the channel of the rivet dispenser, via movement of the rivet gun and/or the rivet dispenser. Finally, the method may include actuating the rivet gun to install the one rivet into a hole of a structure or structures to be joined together thereby.

Abstract: A magazine for use with a fastening tool. The magazine can have a pusher assembly that can be retracted into a recess in the magazine to facilitate loading and reloading of fasteners. The pusher assembly can have a pusher assembly knob which can be reversibly latched to a detent to maintain the pusher assembly in a retracted state. The fastening tool can use a magazine which can be reloaded by a method which has a step of reversibly retracting the pusher assembly into the retracted state to allow for feeding one or more fasteners to the magazine.

Abstract: A fastener for attaching a sheet-like implant to tissue or bone may be provided with a first arm having a proximal portion and a distal portion, a second arm having a proximal portion and a distal portion, and a bridge formed at least in part by the proximal portion of the first arm overlapping the proximal portion of the second arm. Each of the first and second arms can include at least a partial loop member having a lumen therethrough slidably receiving the other arm, each arm further including a tissue retention member on a distal portion having a projection extending therefrom for engagement of bone or tissue when inserted therein. The staple can also include a one-way position retention assembly for allowing distal movement of each at least partial loop member relative to the other arm therethrough to tension the fastener and maintain a desired configuration.

Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.

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

Abstract: A stapling device includes two casing members, a pad seat, and a striker plate. The casing members, which can be combined together, have front ends respectively forming front-end plates abutting each other. The two casing members are rotatably coupled to a press-down handle that is selectively pressed down. The pad seat is set at the front end of the interior of the two combined casing members. The pad seat has a front end face, which define, collectively with the inside surfaces of the front-end plates of the two casing members, a striker plate channel. The striker plate is slidably received in the striker plate channel. The striker plate is selectively pulled by the press-down handle to move upward. The two casing members clamp and retain therebetween a spring plate for providing a striking pre-loading force to the striker plate.

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 fastener installation tool including a guide that guides a fastener into a side of a work piece at an angle, while optionally restraining the fastener from wobbling due to rotation, even upon initial entry into the work piece. The guide can define an angled bore including a fastener entrance opening and a fastener exit opening which is adapted to be positioned immediately adjacent the work piece. The guide can include a material ejection port between the openings, through which material bored from the work piece can be evacuated from the angled bore to prevent binding of the material with the fastener. The tool can include a clamp assembly that clamps opposing sides of the work piece to precisely align and steadily hold the angled bore as a fastener is being installed in a side surface. Related methods of using the tool to install fasteners also are provided.

Abstract: A powered stapler (10) and method of operating same for stapling together two or more metal workpieces. The powered stapler (10) includes a main frame member (20) adapted to carry a strip of staples. The frame member has an anvil (20e) covered by a front nosepiece (48) at one end. A lower jaw member (22), having a lower cam slot (34), is pivotally attached to the main frame member. The lower jaw member (22) has a forming die (56). An upper ram member (24) has an upper cam slot (32) and a staple-driving hammer (52). The upper ram member (24) is pivotally attached to the lower jaw member (22). A drive rod (28) extends from a power unit (12) and has a cam bar (30) at one end protruding through the upper cam slot (32) in the upper ram member (24) and through the lower cam slot (34).

Abstract: According to an aspect of the present invention, there is provided a nailing machine including: a housing; a motor that is accommodated in the housing; a plunger that plunges a nailing member; and a spring that is expanded or compressed by the motor to store an elastic energy therein and that accelerates the plunger by releasing the elastic energy, wherein a spring constant of the spring at one end of the spring in an expanding/compressing direction is set smaller than that of the spring at a center in the expanding/compressing direction.

Abstract: A nosepiece assembly for a fastening tool that has a contact surface made of a contact material. The contact surface can provide the nosepiece assembly wear resistance against the action of nails and/or a driver blade of a nailer. The nosepiece assembly can optionally have one or more of a nosepiece insert, a nail stop and a blade guide, each of which can be made at least in part of the contact material. The contact material can be investment cast.

Abstract: A fastening tool assembly is provided with a housing with a contact surface, a longitudinal magazine receptacle, and a fastener outlet provided through the contact surface. A magazine body is received within the magazine receptacle to translate to a retracted position whereby a proximal end is adjacent the fastener outlet to store fasteners within the receptacle and to convey the fasteners to the fastener outlet, and to translate to an extended position whereby the body extends at least partially out of the receptacle for receipt of fasteners to the receptacle. A blocker is mounted to a side of the magazine body spaced apart from the fastener intake side. The blocker has a transverse width greater than a width of the body for blocking intake of fasteners to a wrong side of the body. Instructional indicia are provided on the blocker to instruct a user regarding proper fastener installation.

Abstract: A clip guide apparatus for installation of decking members to an underlying joist structure by means of a clip with a pneumatic screw gun. The clip guide apparatus is comprised of a guide apparatus and a clip installation guide which are attached to the screw gun. The clip installation guide slides in the guide apparatus in response to the operative movement of the screw gun to advance the clip into a decking member. The clip is secured in position with a screw fastener whereby the decking member is secured to the underlying joist structure.

Abstract: A new and improved trigger-actuated control valve assembly for use within a fastener-driving tool wherein upper and lower control valve housing members are adapted to be fixedly mated together by a bayonet-type connection defined by a pair of diametrically opposed lug members disposed upon the lower valve housing member and a ledge structure defined upon the upper valve housing member. In addition, the trigger-actuated control valve assembly is fluidically connected to the upper control air chamber of the fastener-driving tool by externally disposed air passages which do not comprise complex compound angles and are therefore able to be integrally cast within the fastener-driving tool housing along with a cavity for housing the new and improved trigger-actuated control valve assembly.

Abstract: A driving tool may include a driven member holding mechanism configured to hold the driven member at a driving position inside a driver guide until a driver drives the driven member.

Abstract: A fastening machine 1 is provided, which prevents the tip member 131 from wear and improve its durability as well as align a material into which a fastener is to be driven. The fastening machine 1 is provided with a housing 2, a handle 2A extended from the housing 2, a nose 3 extended from the housing 2 and comprising an ejecting mouth 6 to fire a fastener 25 and a tip member 131 arranged at the tip of nose 3 in the direction of ejecting the fastener 25. The tip member 131 is characterized by comprising a super-hard material member 19 in the side facing a material into which a fastener is to be driven and in the side opposite to the direction of extending the handle 2A.

Abstract: An apparatus for driving a fastener (1300) including a nose (1202) having a passageway including a first channel portion (1204) and a second channel portion (1214). The first channel portion is adapted to receive a first fastener body portion (1302) and the second channel portion adapted to receive a second fastener body portion (1304). The first and second fastener body portions are obliquely angled relative to one another. The apparatus also includes a driver blade (120) configured to apply a force to a first end of the fastener for driving the fastener at least partially from the passageway.

Abstract: In a power-driven nailing machine for driving a nail disposed within a discharge port 7 of a nose body 6 into a work, a contact nose 13 giving a leading end discharge port 12 for guiding the nail driven from a discharge port 7 of the nose body 6 toward the work is provided to be protrusively urged toward the leading end of the nose body 6. In the leading end discharge port 12 of the contact nose 13, a guide portion 17, 19 longer than a maximum sized nail is formed from the leading end.

Abstract: A stapler includes a main arm having two slots and two pivots, wherein two links have two respective first ends thereof are movably and pivotably connected to the two slots, and two respective second ends of the links are pivotably connected to the two pivots of the main arm. An operation arm having a strike plate is pivotably connected to a base and a magazine is located between the operation arm and the base. By pivoting the main arm downward, the two links are movable in the two slots and drive the operation arm to lower the strike plate to eject the staples in the magazine.

Abstract: A connection elements control for motion control of connection elements such as rivet elements or the like has at least one control unit with connection elements channel through which the connection elements are pushed, possibly by a fluid flow, the connection elements channel having an inlet section and an outlet section, and a control shaft extending through at least a portion of the connection elements channel in a control region between the sections, and the system is designed such that the passage of the connection elements and/or fluid through control region is controlled by swiveling control shaft.

Abstract: Embodiments described herein relate to a stapler that is constructed in a manner such that the handle of the stapler remains at least substantially parallel to the base as the handle is moved downward by a user to actuate a stapling operation. One illustrative embodiment is directed to a stapler movable between a rest position and a staple ejection position that comprises a base, a stapler body, a handle, and a linkage assembly coupled to each of the base and the handle. The stapler body comprises a strike plate, a magazine, and at least one engagement surface coupled to the strike plate. The handle is operable to actuate the strike plate. The linkage assembly comprises at least one linkage member having at least one actuation surface configured to exert a force on the at least one engagement surface as the at least one actuation surface moves along the at least one engagement surface.

Abstract: A stapler includes a main arm having two slots and two pivots, wherein two links have two respective first ends thereof are movably and pivotably connected to the two slots, and two respective second ends of the links are pivotably connected to the two pivots of the main arm. An operation arm having a strike plate is pivotably connected to a base and a magazine is located between the operation arm and the base. By pivoting the main arm downward, the two links are movable in the two slots and drive the operation arm to lower the strike plate to eject the staples in the magazine.

Abstract: A tool for driving fasteners includes a work contact element configured to move between a first position and a second position. The tool is prevented from driving fasteners when the work contact element is in the first position. The tool further includes an extension member rigidly connected to the work contact element in a releasable connection arrangement. The releasable connection arrangement is configured to maintain a rigid connection between the work contact element and the extension member during normal operation of the tool. The releasable connection arrangement is further configured to release the rigid connection between the work contact element and the extension member during high impact events that are not associated with normal operation of the tool.

Abstract: Fasteners, such as rivets (60), are fed to a fastener insertion tool (1) via a buffer magazine (5) adjacent to the tool. The buffer is movable with the tool and C-frame (6) between an operative position where fasteners can be inserted into a workpiece and a re-filling position where it is docked at a docking station (13) to reload. Fasteners are delivered to the docking station from a source (14) and held there ready for when the tool docks. Once docked a transfer gate (25, 28) is opened at an interface between the buffer magazine and the docking station and fasteners from the docking station are transferred into the buffer magazine. The quantity of fasteners in the buffer magazine is detected and the last fastener is retained so as to support preceding fasteners loaded into the buffer magazine. Any subsequently loaded fasteners back to the docking station either under gravity, under the influence of a pressurized gas or both.

Abstract: The attachment for a stitching tool is an attachment that enables a manually operated stitching tool to convert to a power-operated stitching tool. The attachment includes an ergonomically designed handle mounted on a base, which base is provided with an opening at one end thereof. The opening is designed to receive the grasping portions of a manually operated, conventional stitching tool. Mechanisms in the base engage the grasping portions of the stitching tool to mechanically manipulate the grasping portions. The mechanisms are powered by an electric motor. Controls are provided on the handle for operating the electric motor.

Abstract: A setting tool for driving fastening elements in a constructional component, includes a muzzle (14), a bolt guide (15) located in the muzzle (14), a magazine (20) for fastening elements (50) and releasably mountable on the tool housing (11) and having a connection section (21) provided at an end of the magazine (20) adjacent to the muzzle (14) and with which the magazine (20) is secured to the muzzle (14), and a connection device for releasably mounting the magazine (20) on the housing (11) and including a snap device (30) located between the magazine (20) and the housing (11) and having a snap member (33) and a counter-snap member (34) engageable with each other in a snap position (35) of the magazine (20), with the snap device (30) applying pressure to the muzzle (14) in the snap position (35).

Abstract: A new and improved nailing bridge system which comprises a single nailing gun which is mounted for movement along a stud frame locus or a seam locus, defined by means of abutting sheets of wall sheathing, covering, paneling, or the like, wherein the single nailing gun can be moved to any one of effectively an infinite number of positions so as to permit nails to be driven into the covering, sheathing, paneling, or the like, in order to fixedly secure the sheathing, covering, paneling, or the like, to underlying stud frame members of a wall structure or wall panel member. Stitcher guns are also mounted upon a separate support beam so as to fixedly secure the sheathing, covering, paneling, or the like, to the upper and lower plate, header, or footer members of the wall structure or wall panel member.

Abstract: A tool for driving a floor staple including an outer tubular body and a rod insertable into the tubular body. The tubular body has an end tip having angled surfaces and an inner bore. The rod is biased with the inner bore. The inner bore has a staple slot allowing an exposed end a staple to fit within the outer tubular body. The rod has a hammering head, which when struck, drives staple into a flooring plank.

Abstract: A fastener driving tool includes a housing, a nose assembly having a fastener passage configured to allow fasteners to be advanced therethrough, and a safety contact assembly movable in relation to the nose assembly between a disable position and an enable position. A magazine assembly is configured to supply fasteners toward the nose assembly, and a driver is configured to cause a fastener located in the fastener passage to be advanced within the nose assembly. The nose assembly includes (i) a base member defining at least a portion of the fastener passage and has a first recess and a second recess which are spaced apart from each other, (ii) a first protection insert located in the first recess, and (iii) a second protection insert located in the second recess. The base member defines a leading side surface and a trailing side surface. The leading side surface defines an ejection orifice that is aligned with the fastener passage.

Abstract: The pneumatic nailer has an elbowed feeder magazine for feeding fasteners one at a time. The magazine has an elongated inner frame segment fixedly mounted to the nailer main frame, an elongated outer frame segment operatively connected in non-coaxial fashion to the inner frame segment. Each of the inner and outer frame segments has a corresponding first and second channels, for slidingly retaining fasteners in coextensive slidethrough fashion. The fasteners are movable under gravity forces from a fastener intake to a fastener discharge outlet opposite the fastener intake. A fastener pusher device may be provided with a pusher retention device having an operative mode, active with a large storage load of fasteners into the magazine, and an inoperative mode, triggered when the load of magazine fasteners decreases below a threshold value.

Abstract: A multi-function peripheral includes a main body and a stapler module for stapling papers. The stapler module includes a fixed structure disposed in the main body, a motor fixed to the fixed structure, a driving set, two staplers, and two anvils fixed to the fixed structure. The driving set includes a transmitting structure coupled to the motor and two connecting parts coupled to two ends of the transmitting structure, respectively. The staplers connect the connecting parts, respectively. The motor drives the connecting parts to move toward or away from the anvils through the transmitting structure and, therefore, a first distance or a second distance is between the staplers and the anvils. When the first distance is between the staplers and the anvils, the staplers staple the papers. When the second distance is between the staplers and the anvils, a paper feeding path is defined between the staplers and the anvils.

Abstract: A hand-held tool, in which multiple fasteners are successively fed, is provided with: an ejection detecting portion for detecting an ejection of the fasteners; and a control portion for switching from a power saving wait mode of small power consumption to an active mode capable of executing normal processing when the ejection detecting portion detects the ejection of the fasteners, and for switching from the active mode to the wait mode when the normal processing is ended.

Abstract: A plank top set tool for driving hardwood staples including a body having an underside base surface which contacts a base top and an angled stop surface fitting over the vertical surface leading to the tongue base. Extending at a 45 degree angle through the block is a staple slot bore having a staple slot width. A rod is insertable into the bore and has a first end acting as a hammering head to receive an impact force and a second end configured to receive a staple head and transfer the force.

Abstract: An electric stapler is operated by the steps of: a paper bundle pinching step of relatively moving a table part (10) and a driver unit (3) and also pinching a paper bundle (19); a staple separation step of folding a staple into U-shape by a forming plate (8) and also separating the folded U-shape staple (22) from a staple sheet (20) by moving a driver (7); a penetration step of penetrating legs (24) of the staple (22) into the paper bundle (19) by further moving the driver (7); a clinch step of inward folding the legs (24) penetrating through the paper bundle (19) by a clinch device (5); and a paper bundle releasing step of releasing the paper bundle (19). A relative movement of the table part (10) and the driver unit (3), the forming plate (8), the driver (7), and the clinch device are powered by a single motor (13). A driving speed of the motor (13) in the steps excluding the penetration step and the clinch step is slower than the driving speed of the motor (13) in the penetration step and the clinch step.

Abstract: A multi-function peripheral includes a main body and a stapler module for stapling papers. The stapler module includes a fixed structure disposed in the main body, a motor fixed to the fixed structure, a driving set, two staplers, and two anvils fixed to the fixed structure. The driving set includes a transmitting structure coupled to the motor and two connecting parts coupled to two ends of the transmitting structure, respectively. The staplers connect the connecting parts, respectively. The motor drives the connecting parts to move toward or away from the anvils through the transmitting structure and, therefore, a first distance or a second distance is between the staplers and the anvils. When the first distance is between the staplers and the anvils, the staplers staple the papers. When the second distance is between the staplers and the anvils, a paper feeding path is defined between the staplers and the anvils.

Abstract: A device for impacting a fastener in one embodiment includes a drive mechanism configured to impact a fastener, a lever arm pivotable between a first position and a second position, and a motor including a plurality of permanent magnets mounted on a rotatable housing, the motor mounted on the lever arm such that when the lever arm is in the first position, the rotatable motor housing is isolated from the drive mechanism and when the lever arm is in the second position, the rotatable motor housing is positioned to transfer rotational energy to the drive mechanism.

Abstract: A stapler includes an adjustable firing apparatus for using staples/nails in various sizes that simplifies operation of switching between different staples/nails. The adjustable firing apparatus of the stapler includes an adjusting mechanism and a rotation engaged member having first and second engaged portions. An actuating mechanism can be used to adjust the distance between the adjusting mechanism and the front of a magazine assembly of the stapler to be adapted to use staples/nails in various sizes.

Abstract: A staple gun with a safety device and its safety device are disclosed. The staple gun with a safety device comprises a safety device and a staple-floating unit that are installed in a housing of the staple gun. The safety device includes a safety push sheet and a switch. In a middle portion of the safety push sheet is defined an engaging slot along a staple-discharging direction, and the safety push sheet is further provided with a triggering sheet extending from an upper end thereof. The staple-floating unit is movably connected to the safety device and includes a guide sheet, a control knob, and a positioning pin. The positioning pin can be used to drive the safety push sheet and the guide sheet to move downwards to make the safety push sheet and the guide sheet to protrude out of the staple exit synchronously for facilitating exerting the staple-floating function.

Abstract: A gauge device for use with a staple gun serves to align the staple gun relative to building siding to dispense a two prong staple from a head of the staple gun into one of a plurality of fastener apertures in siding members of the building siding. The gauge device comprises a pair of flanges arranged to depend from laterally opposed sides of the head of the staple gun at a location such that abutment of one of the flanges below a lock edge channel of a siding member locates one prong of the two prong staple to be in alignment with one of the fastener apertures and locates the other prong of the two prong staple above the top free edge of a nailing flange of the siding member.

Abstract: A guide bushing for a reciprocating nailer includes a body having a cylindrical portion and a tapered portion. An aperture extends through the body for receiving a driving rod. The tapered portion of the guide bushing extends from the nailer and is configured to fit into tight spaces, such as corners and along the tongues or grooves of, for instance, tongue and groove flooring, to fully support a nailer as it is driven into the tight space. The guide bushing can be a multiple part or multiple stage bushing for more flexibility and utility. The aperture through the center of the bushing can also be stepped to cooperate with a stepped driving rod for closer holding of narrower nails. A boot can be placed at the tip of the guide bushing to provide a cushion and further retention of a nail held by the nailer.

Abstract: The present invention provides a dual protective device of a heavy-duty stapler, in particular to a control device of stapler that controls safely the action of striking slice with spring; of which, a base-controlled active protective device is mounted at rear side of the main body of the stapler, and operated in combination with a manually-operated safety switch that's arranged at front side of the main body of the stapler, thus forming an easy-to-use dual protective device.

Abstract: A desktop stapler has a base member including a restricting unit; a magazine including a plunger disposed on the head thereof; two linkage devices; a press member; and a guide member. Each linkage device includes a first hole, a third hole, a second hole formed on a bend between the first and third holes, and a pivot hole. Each pivot hole connects with the base member via the restricting unit. The press member includes a press portion defined on the bottom of an end thereof, a grip portion defined on another end thereof and connecting to the plunger of the magazine, and two pivot holes formed on two sidewalls thereof and connected to the third holes of the linkage devices respectively via a coupler unit. The guide member includes a first end inserted via a coupler unit, a second end defining a press end, and two second pivot holes formed on two sidewalls thereof and opposite to each other.

Abstract: An improved fabrication apparatus is provided for the placing screws accurately and reliably into body panels of cargo trailers. The apparatus uses a template that is positioned over the aluminum body panels of a cargo trailer to guide the placement of automatic screwdriver tools, so that the body panels are quickly and accurately mounted to vertical ribs that are part of the framework of the trailer. The invention includes a fabrication fixture that holds the template at predetermined positions to align the template with the ribs of the trailer's framework.

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 nail retention feature is provided to allow easy loading and unloading of nails into the nailer.

Abstract: Stapler comprising a main body (1) which includes a seat (2) for a row of staples (3, 13) and/or nails (12, 14) which are urged by a pusher (4) towards an ejection head (5), wherein a striker (6) can run in a direction substantially perpendicular to the feed direction of the row of staples (3, 13) and/or nails (12, 14) in the seat (2) for pushing and ejecting from the ejection head (5) the first staple (3, 13) and/or nail (12, 14) of the row, wherein a mobile plate (7) is mechanically connected to a slider (8) which protrudes outside the main body (1) so that by moving the slider (8) the mobile plate (7) can slide in the main body (1) for being arranged between the ejection head (5) and the striker (6) when the latter pushes the first staple (3, 13) and/or nail (12, 14).

Abstract: A system may install a floor above a sub-floor surface, the floor having a board abutting adjacent boards. The system may include a lowering apparatus, a positioning apparatus, and a securing apparatus. The lowering apparatus may be adapted to receive the board and to lower the board to the floor. The positioning apparatus may be adapted to position the board in contact with one or more of the adjacent boards. The securing apparatus may be adapted to secure the board to the sub-floor surface.

Abstract: A cover or boot for use in conjunction with the nail advancement mechanism of a fastener-driving tool is disclosed. The cover or boot covers external surface portions of the nail advancement mechanism of the fastener-driving tool so as to prevent a significant accumulation of dust particles from effectively collecting upon and entering the piston-cylinder assembly of the nail advancement mechanism and thereby operatively interfering with the reciprocal movements of the piston of the piston-cylinder assembly of the nail advancement mechanism whereby the operative functioning of the nail advancement mechanism of the fastener-driving tool would otherwise be adversely affected.