Abstract: A novel nail stop block structure for nail stop and restraining comprises a nail head and a striker hole disposed in the nail head. The front orifice of striker hole is located in the front end face of nail head. A nail head cylinder is disposed on the left lower end of middle part of the nail head. A mobile hole is disposed in the center of upper surface of the nail head cylinder connected to the inner space thereof. An assorted nail feeding piston is disposed in the nail head cylinder. A piston rod coaxial with the mobile hole is disposed on the center of upper surface of the nail feeding piston. The upper end of the piston rod passes upwards through the mobile hole.

Abstract: A powered fastener driver includes a magazine in which fasteners of a first length or fasteners of a second length greater than the first length are receivable. The magazine includes a shear block located at a first end of the magazine, a loading portion located at a second end of the magazine, and a feed channel extending lengthwise through the magazine between. The loading portion of the magazine includes first and second slots configured to receive fasteners of the corresponding first and second lengths for entry into the feed channel, and a feed channel access gate configured to prevent fasteners of the first length from being loaded into the second slot. The feed channel access gate is configured as a pivot member pivotable about an axis between a first, blocking position, and a second, bypass position. A spring biases the feed channel access gate toward the blocking position.

Abstract: An installation tool and fastener is particularly adapted for fastening a top plate to a roof support member and other structural connections. The installation tool comprises a telescopic tool assembly which transfers torque from a power driver tool to a fastener drive coupler. The installation tool has a receiver guide which is configured to concentrically guide a fastener into driver engagement with a fastener coupler. The coupler may have a driver tip with radial projections, a Philips driver tip or a square driver tip. In one embodiment, the installation tool fastener has a head with a maximum head diameter equal to the major thread diameter and a recess for coupling with the drive coupler.

Abstract: A post-processing device including a stapler includes a restraint mechanism that restrains the stapler so that the stapler does not deviate from an initial position when a covering part is opened and a restraint release mechanism that, when the covering part is closed, releases restraint of the stapler by the restraint mechanism.

Abstract: A method for installing a flexible track system is presented. At least one of a number of heights or a number of angles is selected for a variable height base system that connects a base attaching system and flexible tracks in the flexible track system to each other, wherein at least one of the number of heights or the number of angles for the variable height base system maintains at least one of a desired distance between the flexible tracks and a surface of a structure to which the base attaching system is attached to the flexible tracks in the flexible track system matching a contour of the surface of the structure. The flexible track system is attached to the surface of the structure.

Abstract: A sheet processing device includes a stapling unit that cuts off excess parts of a staple at a normal processing position, a container that stores the excess parts, the container having an upper end portion with an opening and being disposed below the stapling unit, a pair of electrodes disposed at a portion of a side wall of the upper end portion, the portion corresponding to the normal processing position, the pair of electrodes being exposed to inside the container, and a control unit for detecting that the excess parts in the container have reached the upper end portion when the pair of electrodes is short-circuited.

Abstract: A stapler includes a staple cartridge in which a staple is stored, a storage unit to which the staple cartridge is detachably attached, a staple ejecting unit which ejects the staple to penetrate a paper sheet, a cutting unit which cuts a staple leg of the staple penetrating the paper sheet, a binding unit which bends the staple leg of the staple penetrating the paper sheet to bind the paper sheet, a cut staple storage unit which stores a cut staple that is cut by the cutting unit, a cut staple quantity detection unit which detects a quantity of the cut staple stored in the cut staple storage unit, and a discharge unit through which the cutting unit and the cut staple storage unit communicate with each other to guide the cut staple to the cut staple storage unit. The cut staple storage unit is attachable to and detachable from the stapler.

Abstract: A driving machine is provided to prevent clogging of a fastener in an ejection passage without increasing the total length of the ejection passage. A nail driving machine includes: a nose part forming an upper portion of an ejection passage through which a nail passes; a contact part being slidable along the nose part and forming a lower portion of the ejection passage; a driver blade striking a head part of the nail supplied to the ejection passage; and a guide part disposed in a lower portion of the nose part and guiding the nail passing through the ejection passage. The guide part has a guide surface inclining to protrude from a radial outer side toward a radial inner side of the ejection passage. A housing groove is formed in the contact part and the guide part enters the housing groove when the contact part slides along the nose part.

Abstract: A sheet processing apparatus includes a binding portion binding a plurality of sheets stacked on a sheet stacking portion as a bundle by deforming the sheets without a staple. The sheet processing apparatus further includes a moving member moving the sheet bundle bound at a binding position by the binding portion from the binding position and a restricting member restricting the move of the sheet bundle such that a distance between the sheet bundle and the moving member is kept to be less than a predetermined distance in moving the sheet bundle by the moving member.

Abstract: A surgical instrument including a handle assembly, an elongate portion, a pair of opposed jaw members and a tissue stop is disclosed. The elongate portion extends distally from the handle assembly, and the pair of opposed jaw members extend distally from the elongate portion. The pair of opposed jaw members include first and second jaw members. The tissue stop cammingly engaged with the first jaw member and is movable between a first position where at least a portion of a stopping portion of the tissue stop is disposed between a tissue-contacting surface of the first jaw member and a tissue-contacting surface of the second jaw member and a second position where the portion of the stopping portion is between the tissue-contacting surface of the first jaw member and a lower surface of the first jaw member.

Abstract: A horizontal-transvertebral curvilinear nail-screw (HTCN) including a body portion having a first end and a second end, wherein the first end is opposed to the second end; and a head at the first end of the body portion, wherein the body portion has a predetermined curvilinear shape and includes a pointed tip at the second end of the body portion, and a method of surgically implanting universal horizontal-transvertebral curvilinear nail-screws (HTCN) into a plurality of adjacent vertebrae.

Abstract: A surgical device is disclosed which includes a handle portion, a central body portion and a SULU. The SULU includes a proximal body portion, an intermediate pivot member and a tool assembly. The intermediate pivot member is pivotally secured to the proximal body portion about a first pivot axis and the tool assembly is pivotally secured to the intermediate pivot member about a second pivot axis which is orthogonal to the first pivot axis. The SULU includes a plurality of articulation links which are operably connected to the tool assembly by non-rigid links. The articulation links are adapted to releasably engage articulation links positioned in the central body portion. The body portion articulation links are connected to an articulation actuator which is supported for omni-directional movement to effect articulation of the tool assembly about the first and second axes.

Abstract: An assembly for fastening tissue is disclosed. The assembly may comprise a first jaw comprising a cartridge, wherein the cartridge comprises a plurality of fasteners. The plurality of fasteners comprises a first fastener comprising a first height and a second fastener comprising a second height, wherein the second height is different than the first height. The assembly further comprises a second jaw, wherein at least one of the first jaw and the second jaw is movable relative to the other. The second jaw comprises a plurality of fastener-engaging portions. The plurality of fastener-engaging portions comprises a first fastener-engaging portion and a second fastener-engaging portion. The assembly further comprises a compressible layer intermediate the first jaw and the second jaw.

Abstract: A medical instrument, such as a surgical device for manipulating and placing a tissue suture and methods of using the same is disclosed. The device comprises a handle, a hollow shaft removably coupled to the handle assembly and a stylet extending within the hollow shaft and longitudinally slideable therein. Preferably, the stylet is not rotationally moveable relative to the shaft. The stylet may be moved between a first position wherein a grasping member formed on the stylet is retracted into a distal end portion of the shaft and a second position wherein the grasping member extends distally beyond the distal end portion of the shaft. Distal movement of an actuation member on the handle correspondingly moves the stylet to the extended position and movement of the actuation member to a proximal position on the handle correspondingly moves the stylet to the retracted position. Lateral movement of the actuation member on the handle does not impart rotational movement of the stylet relative to the shaft.

Abstract: A suture-needle holder includes: a sheath part; a grasping portion; an operation wire; and an operation part body formed to extend along a longitudinal axis, and connected such that the sheath part is movable in a direction aligned with the longitudinal axis and rotatable around the longitudinal axis. A first groove part having a distal end and a proximal end and extending along the longitudinal axis, and a second groove part having one end connected to the proximal end of the first groove part and the other end at a position separated from the one end in the direction aligned with the longitudinal axis and in a circumferential direction of the longitudinal axis, and extending from the one end to the other end are formed in the operation part body.

Abstract: A handheld work apparatus has a drive motor for driving a tool, an operating element for operating the drive motor, a first inhibiting unit and a second inhibiting unit. Each inhibiting unit has a disable state and an enable state. The operating element is inhibited for operating the drive motor when at least one of the inhibiting units is in its disable state. The work apparatus further has a locking device which locks the first inhibiting unit in its enable state if the second inhibiting unit is in its enable state. A method for operating the work apparatus provides that the first inhibiting unit is locked in its enable state when the first inhibiting unit and the second inhibiting unit are situated in their enable states at the same time.

Abstract: In various forms, the modular motor control system may comprise one or more motor controllers each having an associated motor. The one or more motor controllers may be in communication with a master controller. The master controller is configured to provide control signals to the motor controllers to control the associated motors. In some forms, the one or more motor controllers and the associated motors may be located within a surgical module. The surgical module may provide a communications interface between the master controller and the one or more motor controllers.

Abstract: An applicator instrument for dispensing surgical fasteners includes a housing, a firing system disposed in the housing, an actuator coupled with the housing for actuating the firing system, an elongated shaft extending from the housing, the elongated shaft having an outer diameter, and a cap secured to the distal end of the elongated shaft, whereby the cap has a lower distal edge that extends laterally beyond the outer diameter of the elongated shaft. The lower distal edge of the cap has a length that is greater than the outer diameter of the elongated shaft. The cap has a distal end face that slopes upwardly and proximally from the lower distal edge, and the cap has a surgical fastener delivery window formed in the distal end face for dispensing surgical fasteners. The delivery window has a lower end that is spaced from the lower distal edge.

Abstract: A driving tool is provided with a nose portion 16 from which a fastener is driven out, and a contact arm 20 which is slidable along the nose portion. The contact arm 20 includes a U-type leading end portion 20a. A leading end of the nose portion 16 enters an inside of a U-type part of the leading end portion 20a of the contact arm 20 when the contact arm 20 slides toward a base end of the nose portion 16. The leading end portion of the nose portion 16 includes a receiving portion 22, 23 by which a load applied to the contact arm is received.

Abstract: The present invention includes methods and apparatus for discharging a fastener. In particular embodiments, the invention comprises a fastener-dispensing device comprising a fastener striker in operational communication with a striker driving means. The fastener-dispending device also includes a device body comprising an upper portion and a lower portion, the upper portion containing the striker driving means and the lower portion containing the striker, wherein the upper portion is pivotable in a sideways direction relative to the lower portion.

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 two gun tool dolly which is capable of firing and inserting two, three or four nails into plate, header, or footer frame members at predetermined locations thereof so as to fixedly secure top and bottom plate, header, or footer members to stud frame members of a wall structure or wall panel.

Abstract: A new and improved automated gun tool dolly which comprises a plurality of nail guns, such as, for example, three nail guns, which are mounted upon a horizontally movable carriage assembly in a vertically and horizontally staggered mode so as to be disposed within a diagonal array. Movement of the carriage assembly along horizontally oriented guide rails is automatically controlled, such as, for example, by means of a programmable logic controller (PLC), such that the three nail guns are sequentially and continuously disposed at predetermined firing positions at which the nail guns are sequentially fired so as to insert nails within predetermined regions of 2×4 or 2×6 plate, header, or footer members of a wall panel or wall structure.

Abstract: Tooling intended for fixing hooks connecting the ends of belt conveyors including a fixed lower part forming an anvil linked to a movable upper part by positioning and centering fingers, a main punch, and a complementary punch. The main punch includes a head provided with enlarged parts and can slide in a vertical channel. The complementary punch can slide in a vertical channel. A vertical guiding groove staple is arranged on the side of the complementary punch. A pneumatic hammer provided with a head hammers the main punch which drives the staple in and drives, or hammers, the complementary punch which simultaneously hammers the upper of the hook.

Abstract: When the plunger is a game moved to a prescribed position Ph of an initial state on the upper dead point side by the drive force of the motor after the plunger is moved to the lower dead point side, the controller of a spring driven-type fastener driving tool reduces the rotational speed of the motor to a prescribed value or less based on the detection signal of the operation detection switch and then stops the slowed down motor. In order to achieve this, the plunger is stopped at a stop position of an initial state that is as close as possible to an upper dead point side drive start position and is subjected to a strong compression force by the drive spring.

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: The present invention relates to a powered stapling device and, more specifically, but not limited to, a powered stapling device for driving staples over a strip of linear material, such as a cable located in an otherwise inaccessible or difficult to reach place. The stapling device includes an actuation mechanism, a handle, a staple ejection mechanism, and a drive arm operable along a primary axis of the stapling device. The actuation mechanism provides energy to the drive arm, which in turn engages the staple ejection mechanism, which in turn drives the staple. At least a portion of the staple engagement mechanism may be positioned at an angle with respect to the primary axis. This configuration of the staple engagement mechanism allows the stapling device to drive the staple at an angle relative to the linear object being stapled, even when the primary axis of stapling device is aligned substantially parallel or substantially perpendicular to the linear object being stapled.

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: 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 stapler is provided with a driver support part which supports an actuating mechanism of a driver; a clincher support part which is arranged apart from the driver support part in an up/down direction and to which a clincher is fixed; a positioning member provided in a vicinity of one of the clincher support part and the driver support part; a first positioning element provided on the positioning member; and a second positioning element provided on the one of the clincher support part and the driver support part. The driver support part and the clincher support part are simultaneously movable in a right/left direction by substantially the same amount. In cooperation with a clamping operation, the first positioning element and the second positioning element engage with each other.

Abstract: The present invention includes methods and apparatus for discharging a fastener. In particular embodiments, the invention comprises a fastener-dispensing device comprising a fastener striker in operational communication with a striker driving means. The fastener-dispending device also includes a device body comprising an upper portion and a lower portion, the upper portion containing the striker driving means and the lower portion containing the striker, wherein the upper portion is pivotable in a sideways direction relative to the lower portion.

Abstract: An apparatus (1) for frame fabrication includes at least one nail gun (15) adapted to fire nails substantially in a selected plane of the frame (2). The nail gun (15) translates vertically and is configured with a control input device (19) activated by an operator which extends substantially across the width of the frame fabrication apparatus.

Abstract: A wire guide apparatus for a powered staple gun is adapted to be housed in a low-profile housing at the front end of the staple gun, forward of the safety and staple driver.

Abstract: The present invention relates to a powered stapling device and, more specifically, but not limited to, a powered stapling device for driving staples over a strip of linear material, such as a cable located in an otherwise inaccessible or difficult to reach place. The stapling device includes an actuation mechanism, a handle, a staple ejection mechanism, and a drive arm operable along a primary axis of the stapling device. The actuation mechanism provides energy to the drive arm, which in turn engages the staple ejection mechanism, which in turn drives the staple. At least a portion of the staple engagement mechanism may be positioned at an angle with respect to the primary axis. This configuration of the staple engagement mechanism allows the stapling device to drive the staple at an angle relative to the linear object being stapled, even when the primary axis of stapling device is aligned substantially parallel or substantially perpendicular to the linear object being stapled.

Abstract: A stapler extension mechanism is disclosed that is attached to the operating handle of a squeeze handle stapler that permits the stapler to be operated against a ceiling without the operator having to climb onto a ladder, against a floor without the operator having to bend over, or into a wall. The stapler extension mechanism has a head that is fastened to the operating handle of the squeeze handle stapler and an adjustable elongated handle is attached to the head. The operator positions the stapler using the elongated handle, and then applies a pushing force via the elongated handle to depress the squeeze handle and operate the stapler.

Abstract: Apparatus and methods are disclosed for selectively orienting material from a coiled supply relative to a fastener driver utilized to secure the material at a work surface. The apparatus includes a mount body having structures adapted to receive and secure the driver and the coiled material supply in a substantially fixed relationship to one another, a material feed orientation arm receiving material fed from the supply and providing the material at an outflow locator adjacent to the drive head of the driver and the work surface when the apparatus is assembled and in use. A pivot stud is affixable to the fastener driver over its drive head and is receivable through openings in the mount body and feed orientation arm so that the outflow locator is pivotable about the drive head to selectively change direction of material feed presentation relative to the drive head.

Abstract: A pocket-sizing method for a device that inserts staple drivers into pockets aligned to form a slot in a surgical staple cartridge. A fin extends from a driver guide fixture for insertion into the slot. The fin increases the size of the slot, thereby aiding in inserting drivers into the pockets. Preferably a second fin extends from the driver guide fixture adjacent the fixture passage and aligned with the first fin. A gap is formed between the first and second fins, extending from a first edge to an opposite edge of the fixture passage. The driver is driven through the gap. The fins are substantially equal to the thickness of the driver. The fins have tapered leading edges to aid cartridge insertion and removal, and a lip extends from the driver guide fixture for preventing the fins from widening the slot too much and for narrowing an overly wide slot.

Abstract: A stapler includes left and right shells, a front shell, a staple magazine, an urging plate and a controlling switch. The left and right shells are connected with each other, such that a receiving space is defined therebetween. The front shell is connected with front portions of the left and right shells and provided with an opening in communication with the receiving space. The staple magazine is detachably disposed in the receiving space and the urging plate is disposed in front of the staple magazine. The controlling switch is reciprocally slidably disposed in the opening of the front shell and adapted to adjust a gap between the staple magazine and the urging plate for fitting various staples having different thickness. Because the front side of the front shell is seamless without connective joint, the stapler is strong in structure and durable in use.

Abstract: The present invention relates to an powered stapling device and, more specifically, but not limited to, a powered stapling device for driving staples over a strip of linear material, such as a cable located in an otherwise inaccessible or difficult to reach place. The stapling device includes an actuation mechanism, a handle, a staple ejection mechanism, and a drive arm operable along a primary axis of the stapling device. The actuation mechanism provides energy to the drive arm, which in turn engages the staple ejection mechanism, which in turn drives the staple. At least a portion of the staple engagement mechanism may be positioned at an angle with respect to the primary axis. This configuration of the staple engagement mechanism allows the stapling device to drive the staple at an angle relative to the linear object being stapled, even when the primary axis of stapling device is aligned substantially parallel or substantially perpendicular to the linear object being stapled.

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: 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 clinch positioning mechanism of a stapler is provided. The clinch positioning mechanism includes a driver unit and a clincher unit. The driver unit includes a driver for driving out a staple, and a guide piece. The clincher unit includes a clincher for bending and clinching a leg portion of the staple, and a guide hole for engaging with the guide piece. The clincher unit is arranged being opposed to the driver. At least one of the driver unit and the clincher unit is movably arranged, and the driver and the clincher are aligned with each other by engaging the guide piece in the guide hole at the latest when clinching the leg portion of the staple by the clincher.

Abstract: A fixing tool including a nose adapted to receive, on the one hand, a fixing element from a fixing element magazine fixed to the nose and, on the other hand, a fixing element driving piston, propelled by an energy source, a sensor for operating the tool being arranged on the nose, wherein the sensor includes a flexible blade arranged on a biasing pad.

Abstract: A pocket-sizing apparatus for a device that inserts staple drivers into pockets aligned to form a slot in a surgical staple cartridge. A fin extends from a driver guide fixture for insertion into the slot. The fin increases the size of the slot, thereby aiding in inserting drivers into the pockets. Preferably a second fin extends from the driver guide fixture adjacent the fixture passage and aligned with the first fin. A gap is formed between the first and second fins, extending from a first edge to an opposite edge of the fixture passage. The driver is driven through the gap. The fins are substantially equal to the thickness of the driver. The fins have tapered leading edges to aid cartridge insertion and removal, and a lip extends from the driver guide fixture for preventing the fins from widening the slot too much and for narrowing an overly wide slot.

Abstract: An apparatus for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue includes a frame and an elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section. An elongated pusher system is provided for individually advancing at least one staple at a time distally. The pusher system includes a trigger system to actuate the pusher. The trigger system is provided with perceptible tactile sensing means to indicate when the legs of the staple being advanced are exposed so as to be visible to the user for positioning and orientation purposes.

Abstract: A hand-held power tool includes a pneumatic percussion mechanism (20) having a driving member (22) reciprocating in the guide tube (21), a percussion member (23) driven by the driving member (22), and an air spring (24) located between the driving member (22) and the percussion member (23) transmits a reciprocating movement of the driving member (22) to the percussion member (23), The hand-held power tool further includes a motor-driven elongate swashplate member (29) for reciprocating the driving member (22) a displacement stroke of which is adjusted by an adjusting member (31) displaceable along a longitudinal extent of a swashplate member (29) for adjusting a swashplate angle that determines the displacement stroke of the driving member (22).

Abstract: A power beating device using includes a driving unit and an actuator. The driving unit has a spring for storing and releasing energy so as to drive an impact unit. The driving unit has at least one driving surface. The actuator serves for actuating the driving surface so that the impact unit is lifted with the driving unit. Deformation of the spring will store energy. When the impact unit is lifted to a predetermined height, it will rest and then the spring will release energy to drive the impact unit to have the effect of beating.

Abstract: A fastener driving device includes a housing containing an engine for driving a fastener through a flooring board and into a sub-floor, a nosepiece through which fasteners are driven, a magazine for supplying a plurality of fasteners for the engine to drive, and a shoe mounted for movement relative to the nosepiece. The shoe locates the engine relative to the flooring board so that the fastener is driven into the flooring board at an angle. The shoe includes a bottom workpiece engaging surface for engaging a top surface of the flooring board, and the nosepiece includes a forward workpiece engaging surface for engaging a front surface of the flooring board. The forward surface extends a distance below the bottom surface. One of the bottom surface and the forward surface is movable with respect to the other to adjust the distance that the forward surface extends below the bottom surface.

Abstract: A nail-driving device includes a body having a nail ejection portion, a nail-striking member, an activation switch, a trigger mechanism, a force-transmitting member, and a safety mechanism. The force-transmitting member is connected pivotally to the safety mechanism. When the safety mechanism is limited in a first position, and when the trigger mechanism is actuated, the force-transmitting member activates the activation switch to thereby move the nail-striking member relative to the body. When movement of the safety mechanism relative to the body is allowed, and when the trigger mechanism is actuated, the force-transmitting member moves the safety mechanism from the first position to a second position such that a contact portion of the activation switch serves as a fulcrum.

Abstract: An adaptor (10) for a fastening tool (12) having an attachment portion (18) for coupling the adaptor (10) to the fastening tool and a support (14, 16) for coupling a mounting bracket (26) to the adaptor (10), arranged so as to hold the mounting bracket (26) relative to a substrate and allow a fastener from the tool to be driven through the mounting bracket to secure the mounting bracket to the substrate (52). A holder for holding an item to facilitate attachment of said item to a substrate by a fastener, wherein the holder magnetically retains the item in a position to receive the fastener from a fastener tool.