Abstract: A sub-miniature surgical staple cartridge includes an elongated housing having longitudinally extending strips forming walls with a wall thickness preferably less than 0.015 inch. The walls define a plurality of longitudinally spaced pockets which receive a corresponding plurality of U-shaped surgical staples above generally flat corresponding drivers. The thin walls are formed of sheet metal or extruded plastics material or heat-formed sheet plastics material with the outer side walls having opposite end walls welded together or integrally connected. The outer side walls may be sheet metal enclosing sheet metal or plastic extruded internal walls, or the entire cartridge may be extruded of a plastics material or formed of sheet plastics material and have a plastic bottom wall.

Abstract: An adjustable adapter configured to position a fastening tool for driving a fastener into tongue-and-groove flooring material in order to secure the flooring material to a subfloor is disclosed. The adapter comprises a fastening tool mounting plate, a base slidably mounted to the bottom of the mounting plate and a support plate slidably mounted to the top of the mounting plate. A nose plate of the fastening tool is secured to the mounting plate between the mounting plate and the support plate and a safety actuator arm is disposed between the mounting plate and the nose plate. The base and the support plate are movable such that the adapter can be configured to engage the tongue and the top surface of various sizes and configurations of tongue-and-groove flooring materials in order to maintain a desired fastener driving angle and insertion location.

Abstract: A cut chip of a staple leg cut by a cutter unit is discharged to a lower face side of the cutter unit by way of an opening formed at the cutter unit. The cut chip is guided in directions of both sides of the stapler by a pair of chutes arranged on a lower face side of the cutter unit to be continuous to the opening portion. The cut chip guided by the chutes is guided to a containing portion formed at a rear lower portion of the stapler by way of guide case portions formed at both side faces of the stapler.

Abstract: An assembly that includes first and second housing members, a gasket and a plurality of bolts that exert a clamp force to clamp the gasket between the first and second housing members. The gasket includes a plurality of tab members that engage the interior of one or both of the first and second housing members. The gasket tabs can resist a force exerted by a pressurized fluid within one or both of the first and second housing members. A method for assembling and operating an article is also provided.

Abstract: A gas can mounting structure installed in a gas nail gun having a vertically movable safety rod is disclosed to include a gas can holder for accommodating a gas can, a positioning mechanism mounted in the gas can holder and having two side plate members for guiding insertion of a gas can into the inside of the gas can holder into position, and a spring-supported roller rotatably and slidably coupled between the two side plate members for stopping against the gas can being loaded in the gas can holder to prevent gas leakage during installation of the gas can.

Abstract: The invention relates to a hand power tool (2), having a housing (6), an electric motor accommodated in the housing (6), and a battery pack (4), releasably locked to the housing (6), for supplying the electric motor with electric current. At least one spring/damping element (38), mounted between the battery pack (4) and the housing (6) of the hand power tool (2), is provided, for damping vibration and -or eliminating a locking-dictated play between the battery pack (4) and the housing (6).

Abstract: An fastener driving apparatus has an actuator linked to a work contact element so as to move a trigger plate when the work contact element retracts. A button is movable back and forth along a transverse axis when depressed from its opposite ends. The actuator has a bump mode surface and a sequential mode surface at different locations along the axis, and is moveable transversely back and forth between a bump mode arrangement in which the bump mode surface can move the trigger plate and a sequential mode arrangement in which the sequential mode surface can move the trigger plate. The button is linked to the actuator so as to move the actuator to the bump mode arrangement when depressed from one end, and to move the actuator to the sequential mode arrangement when depressed from the opposite end.

Abstract: A nailing machine is provided with a nailing machine body 1 in which a contact arm 16 is arranged so as to slide along a nose portion 10, and a plurality of contact noses 2(3) having different inside diameters. The contact noses 2(3) can be mounted to and dismounted from a lower end of the contact arm 16, and nails having different diameters can be used by exchanging the contact noses 2(3). The inside diameter of the nose portion 10 is so formed as to fit to a large nail 21 having the largest head diameter among the nails to be used. A diameter of a driver 5 is so formed as to fit to the contact nose 2(3) for a small nail 22 having the smallest head diameter. A conical pipe portion 25 which is upwardly enlarged in diameter for guiding a nail tip is formed in an upper part of the contact nose 2(3). An upper end of this conical pipe portion 25 is so formed as to have a larger diameter than that of the nose portion 10.

Abstract: A power tool includes a striking cylinder, a striking piston slidably housed in the striking cylinder, a driver coupled to a bottom surface of the striking piston, and a cushioning mechanism configured to absorb an impact of striking a fastener with the driver when the striking piston is driven. The cushioning mechanism includes a housing formed below the striking cylinder, and a bumper housed in the housing to receive the bottom surface of the striking piston. The bumper is formed in a tubular shape, a wall thickness of a central section of the bumper is greater than wall thicknesses of an upper section and a lower section of the bumper, and the wall thicknesses of the upper section and the lower section are substantially the same.

Abstract: A hand-operated drive-in power tool is disclosed. The tool includes a drive-in unit arranged in a housing and control electronics for controlling electrical device functions. At least one cooling element is arranged on the control electronics. The control electronics is furthermore cast with a casting compound, where the cooling element projects at least partially from the casting compound. In addition, the control electronics can be arranged on an end of the handle-side housing section facing away from the drive-in unit between the battery and the handle.

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 system and method for positioning a tool. The system includes a base member configured to contact a first decking member and a second decking member; at least one base guide including a first end and an opposing second end, the first end coupled to the base member, the at least one base guide configured to position the base member relative to the first decking member and the second decking member; and an adjustable section coupled to the base member, the adjustable section configured to allow adjustment of at least one of a position and an angle of the tool relative to the base member.

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

Abstract: An apparatus and method for adjusting the handle position of a pneumatic fastener handle. The pneumatic fastener includes a base, a main body, and a magazine for carrying fastening members. The main body and magazine are fixed to the base. A pneumatic inlet is mounted onto the main body. A handle assembly is mounted on the main body of the pneumatic fastener. The handle assembly includes a housing having a hollow recessed area. The housing can have an aperture through a lateral side configured to receive a retaining member. A handle extends partially within the housing and is configured to move between at least a first position and a second position, different from the first position. When the handle is in a desired position, the retaining member secures the handle in place within the housing.

Abstract: The tool includes a cylinder inside of which is slidably mounted a piston for driving a fastening element, as a result of the explosion inside of a combustion chamber of a mixture of gas and air that has been injected therein from a gas cartridge, after which the tool has come to bear weight against a support, the head switch has retracted and the combustion chamber has closed, followed by actuation of the trigger switch for controlling the spark plug. The tool also includes an element for determining the rate of fire which includes a real-time clock designed to cooperate with a microcontroller of an operating and control module. The arrangement applies well to fastening tools.

Abstract: A floor stapler shoe used in the installation of hardwood floors includes a shoe body and a pair or more antifriction components. The shoe body is designed to receive and connect with a floor stapler. One of the pair of antifriction components contacts a tongue of a floor board when in use, and the other of the pair of antifriction components contacts an upper surface of the floor board when in use. The antifriction components can be a bearing, a pad composed of antifriction material, or both.

Abstract: A refill for staples, which can not be removed from a cartridge unless all sheet-type connected staples in a stapler body are delivered. A refill for staples is installed in a detachable manner in a stapler body, and includes a refill body which holds the sheet-type connected staples, and a pressing member which presses the sheet-type connected staples. A delivery port delivering the sheet-type connected staples and a locking plate provided with a locking section which locks a locked section in the stapler body are formed in the refill body. When the sheet-type connected staples are pressed, the pressing member is engaged with the locking plate not to allow rotation of the locking plate, and, when the sheet-type connected staples are not pressed, the pressing member is disengaged from the locking plate to allow rotation of the locking plate. Thereby, the locking section of the locking plate can be removed from the locked section in the stapler body.

Abstract: A desktop stapler uses a spring to store energy to install staples by impact blow. The force required to fasten papers together is reduced. A very compact mechanism is used, including a dual coil power spring with a nested lever. A multi-function base provides a sloped front all the way to down to a desk top surface to guide paper sheets atop the base, easy access for lifting the stapler off a desk, horizontal or vertical resting positions, and integrated soft grip under-surface. The base surrounds the rear of the stapler body to provide a smooth exterior so that the device is natural to use both horizontally and vertically. A simple re-set spring provides a smooth re-set action as the handle is raised. A staple track includes enlargement features to fit a larger staple pusher spring.

Abstract: A follower mechanism of the bypass type comprises a follower body which is normally spring-biased in the forward direction so as to, in turn, normally bias a strip supply of nail-type fasteners in the forward direction toward a discharge path along which the leading one of the nail-type fasteners will he driven and discharged out from the fastener-driving tool. A follower claw is normally spring-biased, around the pivotal axis of a pivot pin mounted upon the follower body, to a position at which the follower claw can engage the trailing one of the nail-type fasteners so as to bias the supply strip of nail-type fasteners in the forward direction. A latch-hook is integrally provided upon the follower claw for engaging an undercut region of the fastener-driving tool magazine end cap in order to retain the entire follower mechanism at a rearwardly retracted position within the magazine assembly of the fastener-driving machine.

Abstract: A stapler includes a main body, a light-emitting module, and an optical module. The main body has a stapling portion. The light-emitting module is disposed in the main body. The optical module faces the light-emitting module. Light emitted from the light-emitting module is converted into a light spot with a linear shape by the optical module to mark a stapling position of the stapling portion.

Abstract: A gas can mounting structure includes a holder frame formed of a part of a gas-operated nail gun and defining an accommodation chamber for accommodating a gas can, a cover pivoted to the holder frame and turnable relative to the holder frame to close/open the accommodation chamber, and a control switch mounted in the holder frame and movable between a first position where a stop block of the button of the control switch is stopped at a stop block at the cover to lock the cover in the close position and a second position where the stop block of the button is released from the stop block of the cover for allowing the cover to be biased from the close position to the open position for easy loading/unloading of a gas can

Abstract: An opening portion (104) is formed at a rear face of a staple cartridge (103), a slide door (106) is provided at the opening portion (104), and the slide door (106) is maintained at a closing position by a tension coil spring (107). When the slide door (106) is pushed down, also a pressing plate (109) is moved down by being pushed by the slide door, the opening portion (104) is opened and a staple pack (121) can be inserted into the cartridge. A staple can be refilled to an electric stapler (101) in a state of mounting the staple cartridge (103), and time and labor of attaching and detaching the staple cartridge is dispensed with.

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: In an electric drive tool which performs a driving operation with an electric motor as a driving source, the driving operation was performed previously by a first operation for moving a contact trip upward and a second operation for turning on a trigger, and it is desired to ensure prevention of an erroneous operation of the trigger. According to the present invention, prevention of an erroneous operation of the trigger is ensured. A lock lever (30) is provided in association with a trigger (4), and the trigger (4) is configured not to be turned on unless the third operation for unlocking the lock lever (30) is performed, so that it is ensured that an erroneous operation of the trigger (4) is prevented further reliably.

Abstract: From top to bottom of an inner wall of a case in which stacked stapled sheets each composed of linear staples connected in parallel are accommodated, horizontal nonreturn projections are successively arranged. A nonreturn lug is attached to a staple pushing plate pushing the staple sheets by a spring, and the nonreturn lug is engaged with the nonreturn projections of the case. The nonreturn lug and the nonreturn projections are shaped to permit a descent of the staple pushing plate and inhibit an ascent thereof. In addition, a height of an apex of each of the nonreturn projections is reduced step-wise or with no step from top to bottom of the inner wall of the case.

Abstract: A device for impacting a fastener in one embodiment includes a trigger, a trigger disabling mechanism changeable between a first condition wherein operation of the trigger is not disabled and a second condition wherein operation of the trigger is disabled, and a nose piece configured to change the trigger disabling mechanism from the second condition to the first condition, the nose piece including a first nose portion removably coupled to a second nose portion, the first nose portion and the second nose portion defining a channel therebetween through which a fastener is driven.

Abstract: A stapler has a table formed with a clincher mechanism at a front end and is rotatably supported on a frame. A pair of locking plates slidably supported along the frame between the table and the frame prevents the clincher mechanism from rotating in a direction in which the clincher mechanism moves toward a staple driving section. Drive cams are provided independently for each of the locking plates to drive the locking plates. The times at which the respective locking plates are pulled out from between the table and the frame by the respective drive cams are shifted from each other.

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: An anvil for a stapler comprises plural anvil plates supported by the frame of the stapler. At least one of the anvil plates includes a first surface comprising a portion of the anvil surface and a second surface including a relieved portion in which the stapler's clincher is slidable.

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 combined fuel cell and combustion tool including a combustion tool configured for receiving a fuel cell; the fuel cell having a housing defining an open end enclosed by a closure; a main valve stem having an outlet, disposed in operational relationship to the open end and reciprocating relative to the housing at least between a closed position wherein the stem is relatively extended, and an open position wherein the stem is relatively retracted; a fuel metering valve located within the housing, associated with the main valve stem, including a fuel metering chamber defined in part by a metering chamber seal and configured so that when the stem is in the open position, only a measured amount of fuel is dispensed through the outlet, the stem having a radially variable exterior contour periodically sealingly engaging the seal such that in the closed position a non-sealing relationship is defined between the stem and the seal, and in the open position a sealing relationship is defined between the stem and the se

Abstract: A clincher mechanism 7 is provided with a clincher member 10 having an inductive guiding face 11 for bending and guiding staple legs; a sheet-shape piece 12 arranged between the inductive guiding face and sheets; and operating pieces 18 for advancing/retracting the sheet-shape piece 12 onto the inductive guiding face of the clincher member 10. The staple legs penetrated the sheets are guided along the lower surface of the sheet-shape piece 12, and the sheet-shape piece 12 is operated by the action of operating pieces 18 so that it is extracted from between the staple legs. A paper pan 26 for guiding the sheets is arranged swingably above the clincher mechanism 7. The operating pieces 18 are operated through the paper pan 26 which is swung by the action of the staple driving portion 2.

Abstract: A stapler 10 that has a first arm 12 having a proximal end 13 and a distal end 15 and a second arm 14 having a proximal end 17 and a distal end 19. The first arm 12 and second arm 14 are pivotably connected at said proximal ends 13, 17. As shown, the proximal ends 13, 17 associate with a connecting spacer 16. The connecting spacer 16 defines a void 21 having free access to one or both sides of the stapler 10. Furthermore, the connecting spacer 16 includes a magnet 20 disposed within the spacer 16. Magnetizable items such as paper clips 18 may be stored in the void 21 and are secured by attraction to the magnet. Also disclosed is a stapler wherein the first arm 12, second arm 14 and connecting spacer form generally a “lambda” shape with the apex of the lambda, as shown pertaining to the spacer 16, leaning to the side. This gives the impression that the stapler should topple over or the impressive effect of a stapler balancing on one end.

Abstract: A fastening device that drives one or more fasteners into a workpiece generally includes a tool housing and a multistage solenoid contained in the tool housing. The multistage solenoid includes an armature member that travels through at least a first stage, a second stage, and a sense coil disposed therebetween. A driver blade assembly includes a blade member connected to the armature member. The driver blade assembly is operable between an extended condition and a retracted condition. A control module determines a position of the armature member relative to at least one of the first stage and the second stage based on a signal from the sense coil. The trigger assembly is connected to the control module and partially contained within the housing. The trigger assembly is operable to activate a driver sequence that moves the driver blade between the retracted condition and the extended condition.

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: A desktop stapler uses a spring to store energy to install staples by impact blow. The force required to fasten papers together is reduced. A very compact mechanism is used, including a dual coil power spring with a nested lever. A multi-function base provides a sloped front all the way to down to a desk top surface to guide paper sheets atop the base, easy access for lifting the stapler off a desk, horizontal or vertical resting positions, and integrated soft grip under-surface. The base surrounds the rear of the stapler body to provide a smooth exterior so that the device is natural to use both horizontally and vertically. A simple re-set spring provides a smooth re-set action as the handle is raised. A staple track includes enlargement features to fit a larger staple pusher spring.

Abstract: The disclosure relates to a method and an apparatus in a rotary stapling machine (10) which, with a stapling module (12) placed in a stapling cylinder (11), applies staples through a plurality of layers in a material web (16) running through the rotary stapling machine (10), at an interval corresponding to a predetermined cutting length (?) along the material web (16), the staples being formed by means of a stapling fork (21) in the stapling module (12) in that wire (23) is advanced to a collection position at a forming wheel (22), the wire (23) being cut off whereafter the stapling fork (21) is urged against the forming wheel (22) in order to form the staple which is thereafter collected by the stapling fork (21) and conveyed for application in the material web (16), as well as final forming against a die (15) in a die cylinder (14), wherein the stapling cylinder (11) rotates two revolutions for each cutting length (?).

Abstract: A manual hammer tacker having a warning device involving an electric box having a buzzer or a light emitting diode (LED), and at least one battery with both conducting to each other by the electric wires to generate sound or light effect when only few U-shaped staples left during the working process. A reed switch is installed in the tacker and locates near the end route of the U-shaped staples, and is also conducted to the buzzer or the light emitting diode (LED), the battery and the metallic shell by the electric wires. Furthermore, a reed is formed on the pushing guide of the pusher assembly. At the moment when only few staples left, the reed on the pushing guide will be touched with the switch, so that the circuit will become a circuit loop and the buzzer will buzz or the light emitting diode (LED) will glitter to remind the user to reload the staples.

Abstract: A driving tool that has a driver support base. The driver support base includes a transmitting portion having a V-shape in cross section. The driver support base can be pressed by a press member to cause the transmitting portion to wedge between a pair of left and right drive wheels, so that a friction force is produced to move the driver support base.

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 device and method for temporarily mounting a tool to a member such as an upright board without the need for any prior attachments to the board. A member securing element attached to the tool is secured to the upright board when gripping surfaces engage opposite sides of the board as a result of rotation of the tool brought about by an off-set center of gravity.

Abstract: A new and improved mounting system, for fixedly mounting an exhaust gas deflector component upon the upper cap member of a pneumatically-powered fastener-driving tool, comprises a fastener disposed internally within the upper cap member of the pneumatically-powered fastener-driving tool and not extending externally through the exhaust gas deflector component. In this manner, not only does the exhaust gas deflector component of the pneumatically-powered fastener-driving tool exhibit an aesthetically pleasing external appearance, but in addition, the absence of any externally visible fastener structure, extending through the exhaust gas deflector component, permits various indicia, such as, for example, the company logo, to effectively be incorporated upon the external surface portion of the exhaust gas deflector component.

Abstract: A drill attachment for engagement and actuation of a drill apparatus having a bifurcated frame defining a first shaft and a second shaft operatively engaged to the drill apparatus at first and second engagement points is disclosed. A handle is pivotally engaged to the first shaft and is operatively coupled to a trigger actuator located along the first shaft through a trigger cable operatively engaged to a trigger actuator the distal end of the first shaft that permits remote actuation of the drill apparatus. The trigger actuator includes a pivotable rocking arm having an actuator pad in selective engagement with the drill trigger such that actuation of the handle by the user pivots the rocking arm in a manner that causes the actuator pad to engage or disengage the drill trigger when operating the drill apparatus. A knee pad may extend from the first shaft to provide the user a contact surface for applying pressure in a lateral direction in order to abut the drill apparatus to the drill surface.

Abstract: A stapler comprises a stapling unit and a base movably connected to each other. The base comprises an anvil, a lower and an upper part with a contact surface which has a staple opening against which a workpiece is placed. The upper and lower parts are movably connected to each other. In operation, movement of the stapling unit and the base toward each other drives a staple into the workpiece, wherein the staple crown comes in contact with the workpiece and the staple legs extend through the staple opening. Upon movement of the upper part and stapling unit toward the lower part, the staple legs are bent by the anvil into contact with the underside of the workpiece. The anvil is attached to the base by an elastic element between the lower and upper part, and is urged toward the staple opening to block the opening when the stapler is in an initial position.

Abstract: The present invention provides a nail gun hanger including a C-shaped bracket and a pivotally attached lever. An inner arm of the lever carries a tooth that engages the bottom surface of a framing member such as a rafter or joist, when the outer arm of the lever supports the weight of a nail gun. The nail gun hanger allows the operator to hang the gun on a framing member to enable the use of both hands for other tasks. When the gun is lifted and its weight is no longer supported by the outer lever arm, the tooth of the inner lever arm disengages from the bottom surface of the rafter so the gun can be removed from the rafter and used.

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: A striking cylinder 6 is disposed within a body 1. A main air chamber 7 for reserving compressed air therein is disposed at an outside of the striking cylinder 6. A cylinder cap 8 for covering the striking cylinder 6 and the main air chamber 7 is fixed at an upper portion of the body 1. A lower portion of a cylindrical head valve 13, which opens and closes the main air chamber 7 and the striking cylinder 6 and is configured in a manner that upper and lower external diameters thereof are the same, is disposed at an outside of the striking cylinder 6. A cylindrical inner wall 10 and a cylindrical outer wall 11 are integrally formed at a lower surface of the cylinder cap 8. A piston stop 12 for defining a top dead center of a striking piston 5 is provided at an inside of the cylindrical inner wall 10. The head valve 13 is slidably provided between the cylindrical inner wall 10 and the cylindrical outer wall 11.

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: An abutment adjusting device for a nail gun has a horizontal sliding rail disposed on a bottom side of a nail cartridge of the nail gun. The sliding rail has multiple positioning grooves. An abutment having a containing groove opening upward is disposed on the sliding rail. The containing groove has two groove sidewalls, each of which has at least a vertical guiding channel for slidably disposing a sliding block in the containing groove. The sliding block has a top having at least a protruding part corresponding to the positioning grooves. A first elastic unit is disposed in the containing groove for driving the sliding block to move upward and further drive the protruding part to be engaged into the positioning grooves so as to position the abutment.

Abstract: A combustion-operated setting tool (10) for driving-in fastening elements includes an ignition device (26) for generating an ignition spark in the combustion chamber (15), a metering device (21) for delivering fuel in the combustion chamber (15), and control electronics (25) for controlling the ignition device (26) and the metering device (21) and communicating with a plurality of sensors for sensing operational parameters of the setting tool and including at least one flue gas sensor (31) for measuring at least one flue gas component.