Abstract: A fastening tool can include a housing and a motor assembly in the housing. The motor assembly can include an output member and a motor for translating the output member. A knob can be rotatably mounted in the housing around a first axis and define a plurality of locating formations arranged thereon. An adjustment rod can be operatively coupled for movement with the knob. A lower contact trip can be coupled to the adjustment rod. An indexing member can be movable along a second axis parallel to the first axis. The indexing member can be selectively biased into engagement with one of the locating formations upon rotation of the knob to resist rotation of the knob relative to the housing. Rotation of the knob can cause the contact trip to translate toward and away from the housing to define a desired penetration depth for the fastener.

Abstract: A fastener driving device includes a nose assembly carried by a housing that has a reservoir. The nose assembly has a fastener drive track. At least a portion of the fastener drive track is defined by a movable portion of the nose assembly. A fastener driver is movably mounted in the housing and configured to enter the drive track and drive successive leading fasteners into a workpiece. A head valve is constructed and arranged to be actuated so as to allow the pressurized gas to move the fastener driver through an operating cycle. An actuator is constructed and arranged to actuate the head valve. The actuator includes a trigger valve constructed and arranged to allow passage of the pressurized gas from the reservoir to a chamber above the head valve, and a contact valve operatively connected to the movable portion of the nose assembly.

Abstract: A combustion-powered fastener-driving tool includes a combustion-powered power source including a cylinder head and a combustion chamber defined by the cylinder head, a valve sleeve and an upper surface of a reciprocating piston, the valve sleeve reciprocable relative to the cylinder head between a rest position and a pre-firing position. The valve sleeve has a range of positions between a first sealing position in which the combustion chamber is closed, and said pre-firing position in which the valve sleeve is prevented from further movement. A lockout device is associated with the power source and has an actuated position configured for preventing the reciprocation of the valve sleeve beyond the first sealed position to open the combustion chamber, but permitting movement of the valve sleeve from the first sealed position to the pre-firing position until the piston returns to a piston pre-firing position post combustion.

Abstract: The purpose of this invention is to propose a switching mechanism for switching stapling modes of a stapler, which mainly comprises a trigger, a supporting member, a slide member, a spring, a hooking member and a torsion spring. When the safety device of the stapler is pushed, then it further pushes the slide member to open the air valve, then at the moment, if the trigger is further pressed, the stapling counterforce will make the slide member escape the pressure from the safety device so to finish single stapling process. When the trigger is pressed first and then the safety device is pushed to further push the slide member to open the air valve, it will make stapling contentiously until the trigger is released. Above process then makes a contentious stapling.

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 stapler has a body including two holes formed on two sidewalls thereof and a first link defined on one sidewall thereof. A magazine is assembly installed in the bottom of the body. A handle assembly includes a handle lever formed on an end thereof and a handle stop defined on another end thereof. A second link and a through hole are between the handle lever and the handle stop. A connector is disposed in the second link and pivotally couples to the two holes, and a first roller is inserted through the through hole and moves rotatably in the first link of the body. A power spring is disposed in the body, and a plunger includes a first hole and a second hole. When the handle lever is pressed downwardly and the handle stop lifts the plunger upwardly, the first roller is driven to move rotatably in the first link of the body to detach the handle stop from the plunger gradually.

Abstract: A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat the flywheel can contact the drive mechanism, a motor operably connected to the flywheel for storing energy in the flywheel, a trigger sensor assembly for generating a trigger signal indicative of the position of a trigger, a work contact element (WCE) sensor for generating a WCE signal indicative of the position of a WCE, a memory including program instructions, and a processor operably connected to the memory for executing the program instructions to (i) energize the motor based upon the WCE signal, and (ii) pivot the lever arm based upon the trigger signal.

Abstract: A linkage mechanism for a control valve in a nail gun is provided. The control valve is disposed on a main body of the nail gun. A valve plug of the control valve adjoins to a safety rod of the nail gun. A trigger valve is mounted on the main body and an outer trigger is disposed adjacent to the trigger valve. An inner trigger is pivotably disposed in the outer trigger. An end of a rod member is slidably disposed at a side of the outer trigger and another end of the rod member is connected between the valve plug and the safety rod with an arm. A stopping portion is formed at a middle portion of the rod member. The stopping portion is configured for pressing the outer trigger so as to drive the inner trigger to push the rod member, the arm, the valve plug and the safety rod to move along a nail driving direction of the nail gun. The present linkage mechanism can improve a stability of controlling of nail shooting action and a durability of the nail gun.

Abstract: A device for impacting a fastener in one embodiment includes a drive mechanism, a flywheel pivotable between a first flywheel position whereat the flywheel is not in contact with the drive mechanism and a second flywheel position whereat the flywheel contacts the drive mechanism, a motor operably connected to the flywheel, a trigger movable between a first trigger position and a second trigger position, and a WCE assembly movable between a first WCE position and a second WCE position, the WCE assembly configured such that (i) when the trigger is in the first trigger position and the WCE assembly is in the first WCE position, the WCE assembly mechanically engages the trigger to preclude movement of the trigger out of the first position, and (ii) when the WCE assembly is in the second WCE assembly position, the WCE assembly does not mechanically engage the trigger.

Abstract: A device for impacting a fastener in one embodiment includes a frame, a motor mounted to the frame and including a drive shaft defining a drive shaft axis, a lever arm including a pivot axis parallel with the drive shaft axis, a flywheel rotatably mounted on the lever arm and operably connected to the motor for storing energy received from the motor, a drive mechanism for impacting a fastener, and a solenoid configured to pivot the lever arm between a first position wherein the flywheel is spaced apart from the drive mechanism and a second position wherein the flywheel can contact the drive mechanism.

Abstract: A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat the flywheel can contact the drive mechanism, a lever arm solenoid for pivoting the lever arm between the first position and the second position, a drive mechanism sensor for generating a position signal indicative of the position of the drive mechanism, a timer for generating a timing signal, a memory including program instructions, and a processor operably connected to the memory for executing the program instructions to (i) energize the solenoid to pivot the lever arm to the second position, (ii) de-energize the solenoid based upon the position signal, and (iii) de-energize the solenoid based upon the timing signal.

Abstract: A gas combustion type driving tool is provided with two modes including: a contact mode in which a contact arm 15 is pressed against a workpiece P into which a nail is to be driven and the nail is driven under a condition that a trigger lever 16 is pulled; and a trigger mode in which the trigger lever 16 is pulled and the nail is driven under a condition that the contact arm 15 is pressed against the workpiece P. In either mode, a nail driving can be continuously executed.

Abstract: A fastener driving device includes a frame, a fastener driver reciprocally mounted in the frame, and a trigger assembly. The trigger assembly includes a trigger lever configured to be moved to an actuated position to actuate the fastener driving device, a mode selector rotatably mounted to the frame, the mode selector being configured to move to select a mode of operation of the fastener driving device, and a trigger lock mounted to the frame, the trigger lock being movable between a first position wherein actuation of the trigger lever is permitted and a second position wherein actuation of the trigger lever is prevented. In the first position, the trigger lock engages the mode selector to prevent the mode selector from moving. In the second position, the trigger lock disengages the mode selector to permit movement of the mode selector to select the mode of operation of the fastener driving device.

Abstract: In a controlling mechanism for pneumatic nailer, the pneumatic nailer includes a leaf spring, a trigger, a trigger valve and a safety rod attached to a main body of the nailer. The control mechanism includes a control valve and the control valve includes a valve plug connected to the safety rod. The leaf spring is mounted between the trigger valve and the trigger for receiving actuation from the trigger, and one end of thereof being extended to a position for pushing the valve plug so that through pressing the trigger, the leaf spring is driven to push the valve plug and the safety rod to move downwardly, thereby controlling the pressurized air to drive the nail gun. As such, the valve plug can move in to a position that can to control the nail hitting action of the nail gun in advance so the stability of control increases.

Abstract: In a controlling mechanism for pneumatic nailer, the pneumatic nailer includes a leaf spring, a trigger, a trigger valve and a safety rod attached to a main body of the nailer. The control mechanism includes a control valve and a connecting rod. The control vale includes a valve plug adjacent to the safety rod. The connecting rod is engaged with the valve plug and the safety rod. The connecting rod extends to a position that is capable of being pressed by the leaf spring. The connecting rod is configured for driving the valve plug and the safety rod to move downwardly when the leaf spring press thereof, thereby controlling the pressurized air to drive the nail gun. As such, the valve plug can move in to a position that can to control the nail hitting action of the nail gun in advance so the stability of control increases.

Abstract: A surgical cutting and stapling instrument is disclosed. The instrument includes an end effector and a handle. The end effector includes a channel, an anvil pivotally attached to the channel, a moveable cutting instrument for cutting an object positioned between the anvil and the channel, and a staple cartridge configured for removable receipt by the channel. The staple cartridge includes a sled that is engaged by the cutting instrument during a cutting stoke. The handle includes a motor for actuating the cutting instrument via a main drive shaft assembly. The instrument further includes a first interlock circuit for enabling initiation of motor operation based upon a position of the staple cartridge.

Abstract: A hand-held drive-in tool (10) has a trigger switch (19) for triggering a drive-in process by drive unit (30) that drives a drive-in ram (13), a press-on feeler (18) which is arranged so as to be displaceable at a muzzle (16), which can detect that the drive-in tool pressed against a workpiece, and which prevents the actuation of a drive-in process in its initial position (41) and enables actuation of its drive-in process in its switching position (43), a component feeler (17) displaceably arranged at the muzzle (16) and capable of being actuated independently from the press-on feeler (18) and preventing actuation of a drive-in process in its initial position (42) and enabling the actuation of the drive-in process in its switching position (44), the component feeler (17) detecting fitting of an auxiliary constructional component (110) to the muzzle (16), with a drive-in process being initiated by the trigger switch (19) only when the component feeler (17) and the press-on feeler (18) are both in their respect

Abstract: A quick-releasable nail output nozzle for a nail gun includes a nozzle base, which is affixed to a nail outlet port of a nail magazine and has a nail output groove on the front side for guiding out a bar of nails, two side wings, and two hooks spaced below the side wings. A nozzle cover is covered on the front side of the nozzle base and has two flanges with protruding blocks respectively hooked on the back side of the side wings of the nozzle base. A locking lever is pivoted to the nozzle cover. A hook rod is pivoted to the locking lever for hooking up with the hooks of the nozzle base by means of the control of the locking lever.

Abstract: A nail gun includes a housing having a first locking element, an opposite second locking element, and a sliding groove, a safety mechanism including an actuation member in the sliding groove, the actuation member having an end nose, and a nail alignment adjustment mechanism including a lever pivotably secured to the housing, a spring having a first end secured to the other end of the lever and a second end affixed to the actuation member, and a spring-biased selector including a shank passing the lever, and a knob secured to the shank. Pivoting the knob from a first position to a second position will cause the nose to contact a first workpiece. Pivoting the knob from the second position to the first position will cause the nose to dispose above a second workpiece and align a nail with a through hole of the second workpiece.

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: A combustion-powered fastener-driving tool includes a tool housing, a power source associated with the housing and including a cylinder head, a cylinder and a piston reciprocating in the cylinder, a valve sleeve reciprocating relative to the cylinder, a chamber switch and a trigger switch; the cylinder head, the valve sleeve, the cylinder and the piston combining to define a combustion chamber, the closing of both switches required for initiating an ignition of the power source for driving piston down cylinder. A fan is disposed in the combustion chamber, and a control system includes a control program associated with the housing, connected to the power source, the chamber switch and the trigger switch, and configured for providing a designated ignition delay period after fuel is injected into the combustion chamber and when the chamber switch is closed, the delay period being variable as a function of monitored tool parameters.

Abstract: A new and improved trigger control assembly (110) for switching the mode operation of the fastener-driving tool (112) between a sequential mode of operation and a bump firing mode operation. The trigger member (134) is provided with a pair of throughbores (140, 142) for alternating accommodating a pivot pin (144) by which the trigger member (134) may be pivotally mounted upon the fastener-driving tool housing (114) at two different positions whereby the workpiece contacting element (116) of the fastener driving tool (112) will engage the actuation lever (160) of the trigger member (134) at different positions so as to achieve the sequential and bump-firing modes of operation.

Abstract: A tacker having an anti-double firing devise for a single firing mode has developed comprising: a connector (100?) for linearly moving back and forth along an ejection guide (4) when the tacker is depressed or released on a work target, a detent (100a?) formed a tiny rectangular shaped cutout at proximal end of the connector (100?), a firing control plate (94) for pushing a piston valve rod (12) by its stroke into a cylinder of an operating unit (10) according to the movement of the connector (100?), and an anti-double firing controller (102) forming an index-finger shape with slightly bent finger tip, which has a flat top surface and a rounded-tip lower surface for easily engaging or disengaging to the detent (100a?). The anti-double firing controller (102) is latched into the detent (100a?) soon after a firing for preventing subsequent misfiring on the same target due to a repulsion of the connector (100?) for a single firing mode.

Abstract: A nailing machine for striking a nail supplied into an injection port formed at a nose portion by a driver to strike out from inside of the injection port is provided with a nail guide member on a front side of the injection port. The nail guide member is provided with a guiding guide groove for guiding a front end portion of the nail struck out from inside of the injection port at an inner side face thereof, provided with a projected portion an outer diameter shape of which is formed in a half cut converging taper shape, and provided with a bulged portion brought into contact with a surface of a construction metal piece on an upper side of the projected portion. The nailing machine is positioned by inserting the projected portion into a nail hole formed at a construction metal piece. The bulged portion constitutes a fulcrum of rotation by which the nailing machine is inclined when the nailing machine is inclined to a front side.

Abstract: A fastener driving tool arranged to drive fasteners into a workpiece includes a support, at least one wheel movably mounted on the support, a driver arranged to contact and he guided by the wheel when the wheel is in an operative position in use, a nose part retractable relative to the support, and a connection mechanism to operatively interconnect the nose part with the wheel. The tool is arranged such that, in use, the retraction of the nose part causes the connection mechanism to move the wheel from an inoperative position to the operative position. Subsequent forward movement of the driver guided by the wheel toward the nose part causes the operative interconnection between the nose part and the wheel to be broken. Forward movement of the nose part relative to the support, subsequent to the operative interconnection between the nose part and the wheel being broken, causes the operative interconnection between the nose part and the wheel to be re-formed.

Abstract: A fastener driving tool arranged to drive fasteners into a workpiece includes a support, a pair of sub-assemblies movably mounted on the support, each sub-assembly comprising a motor and an associated flywheel, and a nose part retractable relative to the support. The tool is arranged such that, in use, when the nose part is retracted, its movement relative to the support mechanically forces the sub-assemblies toward each other. The forcing of the sub-assemblies toward each other by the retraction of the nose part may move the sub-assemblies from an inoperative position to an operative position.

Abstract: A fastener outlet assembly for a fastener driving tool includes: an outlet passage arranged to expel fasteners from the assembly to a workpiece during use, the outlet passage having one or more walls; and a detector arranged to detect whether a fastener is present in the outlet passage. The detector comprises at least part of a cover that provides at least part of a wall of the outlet passage, the cover being movable with respect to the remainder of the outlet passage to open the outlet passage and gain access thereto.

Abstract: A hand-held electrically driven drive-in tool for driving fastening elements in a workpiece, includes a drive-in ram (13) displaceable in a guide (12) located in the tool housing (11) and driven by a the drive unit (30), a muzzle part (16) having a bolt guide (17) defining an axis (A) for a fastening element (60) and having a first guide section (117) and a second guide section (217) axially displaceable along the axis (A) relative to the first guide section (117) and disengageable from the first guide section (117), and a press-on switch (29) for generating a press-on signal.

Abstract: A flexible extension shaft comprises a flexible extension member having a length, and one end and an opposite end. A tool base connection member is secured to one end of the flexible extension member. A tool bit connection member is secured to the opposite end of the flexible extension member. A lighting unit is secured to the flexible extension shaft.

Abstract: Stapler (1) which comprises a base part (2) and a stapling unit (3). The base part consists of a lower part (5) and an upper part (6) which are connected together such that they from each other, and between which parts is arranged a first elastic element (8) which, in an initial position, moves the upper and lower parts apart. A workpiece to be stapled is placed on the upper part (6), where an opening (31) is arranged through which the legs of the staple is driven after that the legs have driven through the workpiece, and to which upper part bending devices (21, 22), pivotable about pivot pins (25, 26), are connected. The upper part being blocked from moving downward by a blocking arrangement (21, 22, 25, 26, 44, 45) when the driver drives the staple legs through the workpiece. The blocking device is disengaged by means of a releasing device (53, 54, 55, 56) when the staple crown (40) contacts the upper surface (17) of the workpiece.

Abstract: A switch mechanism for a stapler includes a trigger and a pivotable member and a swing member are pivotably connected to the trigger by two pins. The pivotable member has a first protrusion extending from a top of the pivotable member. The pivotable member is received in a recess of the slide member a second protrusion extends from an inner top end thereof. A spring is connected between the first and second protrusions so that the slide member is movable relative to the pivotable member. The swing member includes a first curved part and a second curved part which is located at a side of the pivotable member. The curved part of the swing member is inserted into a hole of the slide member when pulling the trigger, the slide member is moved downward to change the relative position between the slide member and the valve of the stapler.

Abstract: An electric driving machine includes a remaining fastener sensor 257 which detects the amount of fasteners (e.g., nails) remaining, in an aligned and held manner, in a magazine 2 and which generates a residual-quantity signal (a signal showing depletion of fasteners) when the amount of remaining fasteners has decreased to a predetermined level or less; a remaining fastener detection circuit 406 which outputs a control signal (a signal of level 0) for controlling control means (299, 283, and other means) in accordance with an input of the residual-quantity signal (a switch-on signal) generated by the remaining fastener sensor 257; and a delay circuit 401 for delaying the remaining signal (the ON signal) generated by the remaining fastener sensor 257 by a predetermined period of time (e.g., 20 milliseconds) and inputs the thus-delayed remaining signal to the remaining fastener detection circuit 256 (406).

Abstract: A nailing machine includes a magazine for storing nails, an injection port, a drive mechanism, and a nail detecting lever. The nail detecting lever formed with a detecting end capable of advancing to inside of a nail containing portion is rotatably arranged between a downwardmost pusher and a pusher thereabove on one side of the magazine. An idle striking preventing arm has an upper end arranged at a vicinity of a starter, and a lower end arranged to be opposed to an end portion on a side opposed to a detecting end of the detecting lever and which is operated to start a nailing machine in cooperation with the starter. Further, the other side of the magazine is formed with a detecting end containing portion for containing the detecting end of the nail detecting lever.

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: A positioning device for a hand-held setting tool (10) includes an actuating switching device having an actuation element (24), a switching link (30) for connecting an actuation element (24) to the actuation switch (13) of the setting tool (10) and having a switching member axially displaceable relative to a stationary, with respect to the holder, structural component. The device further includes a safety device (50) for preventing actuation of the actuation switch (13) at a predetermined orientation of the setting tool (10). The safety device (50) includes a displaceable blocking element (55), first and second annular recesses (51, 52) for receiving the blocking element and extending radially circumferentially about the structural component and about the switching member, respectively. The first (51) and the second (52) annular recesses are open toward the switching member and the structural component, respectively.

Abstract: A fastener-driving tool is provided with a cap assembly which includes a switch mechanism that permits the tool to be operated in one of two firing modes of operation. The switch mechanism comprises a two-position switch mechanism such that when the switch mechanism is disposed at a first one of its two positions, the tool will be able to operate in a fully automatic continuous firing mode of operation so as to continuously fire fasteners into a substrate as long as the workpiece contact element and the trigger mechanism are disposed at their depressed positions, or alternatively, when the switch mechanism is disposed at the second one of the two positions, the tool can be operated in a one-shot firing mode such that the tool can only fire a single fastener, either in accordance with, for example, a sequential-firing mode of operation or a bump-firing mode of operation, until the trigger mechanism is released and again depressed.

Abstract: A safety is incorporated in a nailing device, which ensures operation safety of the nailing device. The nailing device includes a housing in which a striker plate is mounted and movable to a ready-to-strike position for subsequently striking a nail out of the housing. The safety includes a retainer pivoted to the housing with an inner end engaging the striker plate to retain the striker plate against movement to the ready-to-strike position and an opposite outer end engaging a release plate that is biased by a spring to partially projecting beyond the housing. When the nailing device is properly set on a work piece, the release plate is forced against the biasing spring back into the housing and the inner end of the retainer is caused to disengage from and thus freeing the striker plate.

Abstract: A nail gun includes a housing having a first locking element, an opposite second locking element, and a sliding groove, a safety mechanism including an actuation member in the sliding groove, the actuation member having an end nose, and a nail alignment adjustment mechanism including a lever pivotably secured to the housing, a spring having a first end secured to the other end of the lever and a second end affixed to the actuation member, and a spring-biased selector including a shank passing the lever, and a knob secured to the shank. Pivoting the knob from a first position to a second position will cause the nose to contact a first workpiece. Pivoting the knob from the second position to the first position will cause the nose to dispose above a second workpiece and align a nail with a through hole of the second workpiece.

Abstract: A fastener driving device includes a fastener driver, a magazine for carrying a supply of fasteners to the fastener driver, a spring that moves the fastener driver through a drive stroke, and a motor configured to move the fastener driver through a return stroke. The motor is operable upon completion of the drive stroke, to move the fastener driver partially through the return stroke a predetermined amount to partially pre-compress the spring. The motor is further operable to fully compress the spring after receiving a signal for the drive stroke.

Abstract: An electric stapler includes a stapler main body and a driver assembly which is attachable and detachable with respect to the stapler main body. The driver assembly includes a forming portion having a forming plate for forming a staple into a U shape, a driver portion having a driver plate for striking the U-shaped staple into papers, a slide block portion which slidably guides the driver portion, and a slide guide case portion. The slide block portion, the driver portion and the forming portion are integrally incorporated in the slide guide case portion.

Abstract: A positioning device for a hand-held setting tool (10) includes a holder (21), a support (22) for the setting tool (10) arranged at an end of the holder and fixedly connected with an elongate support element (23) extending parallel to the longitudinal axis (A) defined by the holder and having, at its end remote from the support, a base part, and a switching device for actuating the actuation switch (13) of the setting tool (10) and including an operating element for actuating the actuation switch (13), and an actuation element (24) arranged radially outwardly of the support element (23) and displaceable axially thereto and connectable with the operating element, with the base part extending beyond the end of the actuation element (24) remote from the support (22).

Abstract: In a contact mechanism operable to cause an operation of a trigger to be effective by relatively moving upward with respect to a nose portion 4, a lower contact member 11 is held between two springs 23, 24 provided respectively at upper and lower positions near the nose portion 4, and a lower end of the lower contact member 11 is biased by the upper spring 23 so as to protrude downward from a lower end of the nose portion. Further, there is provided a switching device 28 which can switch between a first position in which the lower contact member 11 is held at an upper position against the upper spring 23, a second position in which the contact member is held at a lower position against the lower spring 24, and a third position in which a movement of the contact member is not restricted.

Abstract: When a push lever is brought in contact with a member to be driven, a second trigger stopper slides and a first trigger stopper slides via a second spring. After a third trigger stopper turns ON a push switch 18 according to sliding of the first trigger stopper, the first trigger stopper further slides and a projecting portion and a projecting portion of a trigger are disengaged from each other, so that the trigger is made rotatable. A trigger switch is turned ON according to rotation of the trigger.

Abstract: An actuator is arranged in a housing of an electrical nail gun. The actuator includes a sliding base, an external-running brushless direct current motor, a swing base and an electric driver. The sliding base is slidably disposed on an end of a located supporter which is positioned in the housing. The sliding base loads a spring and forms a hitting nail bar thereon. The motor has a stator and a rotator attached on an outer wall of the stator. A flywheel is driven by the motor and is configured to engage or disengage with/from the sliding base. The swing base is pivotally mounted on the housing. The swing base is adjacent to the sliding base and the supporter. The motor is installed in the swing base. The electric driver is attached to the housing and is adjacent to an end side of the swing base. The electric driver has a rod member driven by electricity.

Abstract: A safety is incorporated in a nailing device, which ensures operation safety of the nailing device. The nailing device includes a housing containing a striker plate movable to a ready-to-strike position for subsequently striking a nail. The safety includes a retainer having an inclination engageable with a mated inclination formed on a release plate that is normally biased to partially project out of the housing, so that a stop of the retainer is set at a position to block the striker plate from moving toward the ready-to-striker position. When the nailing device is properly set on a work piece, the release plate is forced by the work piece back into the housing and the retainer is rotated by the camming action between the mated inclination faces so as to move the stop aside to allow the striker plate to move to the ready-to-strike position.

Abstract: A hand-held drive-in tool for driving fastening elements, includes a driving ram (13) displaceably arranged in a guide (12), a drive unit (14) for displacing the driving ram (13), a press-on element (20) for controlling the safety element (23) of the drive unit (14) and spring-biased in a drive-in direction, and a device for changing a biasing force applied to the press-on element (20) dependent on a special orientation of the press-on element (20) relative to a vector (G) of a gravitational force.

Abstract: A nail-driving device includes a housing, a trigger unit operable to fire a nail from the housing, and a resilient member disposed between first and second safety members. When a workpiece-engaging end of the first safety member is pressed against a workpiece such that a tip of the nail is moved into a nail hole in the workpiece, the first safety member pushes and moves the resilient member and the second safety member toward the trigger unit along a longitudinal direction until a stop-engaging portion and a trigger-engaging portion of the second safety member come into contact with a stop portion of the housing and the trigger unit, respectively, thereby preventing further movement of the second safety member along the longitudinal direction while allowing for movement of the first safety member toward the second safety member against the biasing action of the resilient member.

Abstract: A driving tool that includes a frame, a motor assembly and a resilient member. The motor assembly is coupled to the frame and includes an electric motor, a flywheel driven by the electric motor, a pinch roller and a driver disposed between the flywheel and the pinch roller. The pinch roller is selectively movable from a first position to a second position to drive the driver into engagement with the flywheel. The driver is movable between a returned position and an extended position. The resilient member is coupled to the frame and biases the driver away from the flywheel to reduce or eliminate contact between the flywheel and the driver when the flywheel is at rest, the driver is in the returned position and the pinch roller is in the first position. A method for operating a driving tool is also provided.

Abstract: This invention provides a safety apparatus for a spring powered stapler, the safety apparatus comprising a lock plate holding up a power spring for storing energy when in a first position, and releasing the power spring when the lock plate being moved substantially horizontally to a second position, a safety pin substantially vertically movable between a third and fourth position, the safety pin being in the third position when the stapler is not pressed against an object, and the safety pin being in the fourth position when the stapler is pressed against an object, wherein when in the third position, the safety pin stops the lock plate from being moved to the second position, and when in the fourth position, the safety pin makes room for the lock plate to be moved to the second position.

Abstract: A nail gun switch mechanism includes a gun body and a trigger. The gun body has a trigger valve being disposed therein and a safety slidable bar being slidably disposed on. The safety slidable bar has a bottom part which extends outside of a hitting mouth at a bottom of the gun body. The trigger has a trigger lever being pivotably disposed therein, which is configured for driving the trigger valve to open. A top part of the safety slidable bar extends near to an end of the trigger and a swing arm is pivotably disposed on the top part of the safety slidable bar. The swing arm includes an arm part extending from a pivotal center of the swing arm and a push part extending from the arm part toward outside. The push part is configured to be switched to a first swing position and thus driven by the safety slidable bar to touch the trigger lever so as to operate the nail gun in a sequential actuation mode.