Abstract: A powered fastening device is provided and is capable of applying multiple strikes to a fastener to drive the fastener to a preselected depth in a work piece and then automatically stopping the strikes when the preselected depth has been achieved.

Abstract: A carrier with a fastener depth limiter. The carrier may be used to drive fasteners of a staple type. Carriers may include a fastener holder and a fastener depth limiter securable to the holder. The holder may include an axial body with distal and proximal ends, a fastener-receiving opening in the distal end normal to the axis, and an anvil-receiving opening in which an anvil repeatedly strikes a fastener held by the holder as the holder retracts during fastener driving. The fastener depth limiter may be a collar and the collar may be axially adjustable along the holder to enable user selection of the depth limitation. A workpiece-contacting distal end of a collar-type depth limiter may be spaced axially outward from the distal end of the holder a distance approximately the same as a thickness dimension of the fastener, which may be the thickness dimension of the crown of a staple-type fastener.

Abstract: A removable contact trip can be received in an aperture of the barrel and can be slidable between a retracted position and an extended position relative to an end of the barrel. The removable contact trip can define a muzzle aperture aligned with the driver axis and through which a fastener is driven by the nail driver. The removable contact trip can include a latch pocket. A removable contact trip latch can be biased toward a latched position in which the removable contact trip latch extends through a window of the barrel and is receivable in the latch pocket to latch the removable contact trip to the barrel. The removable contact trip latch can also be movable to an unlatched position in which the removable contact trip latch is not receivable in the latch pocket to unlatch and permit removal of the contact trip from the barrel.

Abstract: A guide bushing of a palm hammer comprises a prism-shaped muzzle cover and a muzzle, wherein the muzzle cover and the muzzle are connected through bolts and joined into a body of the guide bushing; the body of the guide bushing may be axially moved in a bracket of the palm hammer; the parts of the muzzle cover and the muzzle near the distal gradually narrow into a chisel-shape; the proximal of the body of the guide bushing rests against a spring on the hammer body of the palm hammer; the body of the guide bushing axially moves in the bracket; a bore used for accommodating a nail and a driving rod is axially opened on the muzzle; one end of a bumper protrudes out of the distal of the body of the guide bushing.

Abstract: A palm hammer comprises a bracket, a hammer body and the guide bushing which comprises a prism-shaped muzzle cover and a muzzle, wherein the muzzle cover and the muzzle are connected through bolts and joined into a body of the guide bushing; the body of the guide bushing may be axially moved in a bracket of the palm hammer; the parts of the muzzle cover and the muzzle near the distal gradually narrow into a chisel-shape; the proximal of the body of the guide bushing rests against a spring on the hammer body of the palm hammer; the body of the guide bushing axially moves in the bracket; a bore used for accommodating a nail and a driving rod is axially opened on the muzzle; one end of a bumper protrudes out of the distal of the body of the guide bushing.

Abstract: A nailer includes a housing, a handle connecting the housing, a combustion chamber and a cylinder inside the housing, a piston whose rear end is inside the cylinder, a cage covering the exterior front end of the cylinder with the front end abutting on that of the cylinder, and a pin guide component that separately connects the nailer and further includes a nose piece, a guide sleeve whose lower end links the pin guide, an adjusting threaded rod whose front end connects the upper end of the guide sleeve and rear end links the upper end of the rear sleeve, a knob, a rear sleeve inserted into the adjusting threaded rod and fixed between the upper end of the guide sleeve and that of the rear sleeve, and a piston guide. The nailer boasts capability of pin guide replacement, quick troubleshooting and regulation of the nail driving depth.

Abstract: The invention provides, in one aspect, a pneumatic fastener driver including a cylinder and a piston positioned within the cylinder. The piston is moveable between a top-dead-center position and a bottom-dead-center position. The driver also includes a magnetic latch emitting a magnetic field that magnetically attracts the piston and is capable of holding the piston in the top-dead-center position with a magnetic force. The magnetic latch is adjustable to vary the magnetic force acting on the piston for driving fasteners into a workpiece at different depths.

Abstract: The invention relates to a device for setting fasteners, in particular a driving tool, comprising at least one striking pin for a particular fastener, wherein the striking pin and the fastener to be set by the striking pin are guided at least in some sections in a channel, which comprises at least one stationary channel part and a channel closure flap arranged so as to be pivotable relative to the channel part. The channel closure flap is held at the upper end thereof by an eccentric shaft that can be adjusted about the rotational axis, wherein the closure flap comprises at least one holding part corresponding to the channel part for forming a lock. The eccentric shaft preferably comprises two end sections oriented coaxially to each other and a center part arranged eccentrically to the end sections, wherein the closure flap is rotatably mounted on the center part of the eccentric shaft.

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

Abstract: A setting tool for driving a fastening element in a constructional component includes a housing (11), a drive member (13) displaceable in a guide (12) located in the housing, a bolt guide (15) adjoining the drive member guide (12) in direction of the operational axis (A) and forming a dog point (16) for abutting the constructional component and a drive-in depth setting tool (20) for displacing the bolt guide (15) axially relative to the drive member guide (15) for setting a distance between a drive end (14) of the drive member (13) and the dog point (16) in the initial position of the drive member.

Abstract: An adjusting mechanism for nailing power of nailing gun, comprising: a slot which is arranged in an upper aluminum cap and is co-axial with an air cylinder, so that the balanced valve airtight slides in the slot, the front side of the balanced valve is exposed to a main chamber, and the rear side of the balanced valve encloses with the inner surface of the upper aluminum cap to form a control chamber; the travel distance of the balanced valve is restricted between the cylinder and a cushion seal arranged on the rear surface of the upper aluminum cap, wherein the cushion seal is positioned axial position adjusting mechanism. The present invention has the advantages of capable of adjusting nailing power so as to provide maximum output power and is convenient for adjusting nailing frequencies.

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

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. An improved lifter design has modified lifting pins that reduce the side-forces on the driver. A pivotable latch acts as a safety device, by preventing the driver from making a full driving stroke at an improper time. An improved latch design has a more durable catching surface.

Abstract: A trigger structure for switching one shoot mode or repeat shoot mode includes a trigger member and a switching member. The trigger member has a recess defined laterally. Two protrusions are defined in the inner wall of the recess. The switching member has an adjusting member and a trigger plate. Under this arrangement, when the adjusting member is pressed into the recess, the trigger plate is at one position to allow the trigger to shoot in a repeat shoot mode; when the adjusting member is turned to abut against the two protrusions, the trigger plate is at another position to allow the trigger to shoot in a one shoot mode.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: An adjustable exhaust assembly for a pneumatic fastening tool having body and a handle extending from the body, the handle defining an inlet channel for receiving input of pressurized gas and an outlet channel for outputting exhaust. The adjustable exhaust assembly includes a base non-rotatably attachable to an end of the handle opposite the body. The base has a plate and a boss extending from the plate. The boss is configured to receive an air hose and defining an inlet opening configured to direct compressed air to the inlet channel. The plate has an outlet opening in communication with the outlet channel. A substantially annular and cap is rotatably received about the boss. The cap defines a substantially annular channel in communication with the outlet opening of the base and an outlet port defined in a portion of a circumferential wall of the annular cap and in communication with the annular channel.

Abstract: A fastening tool for driving a fastener into a workpiece includes a trigger assembly that activates a driver sequence that drives the fastener into the workpiece. A contact trip mechanism has a blocking member connected to a carrier member. The contact trip mechanism is moveable between an extended position and a retracted position. In the extended position, the blocking member prevents the trigger assembly from activating the driver sequence. A depth adjustment assembly includes an adjuster member moveable between at least a first position associated with a first depth setting and a second position associated with a second depth setting. The adjuster member is moveable to obstruct the carrier member, when the contact trip mechanism moves from the extended position to the retracted position.

Abstract: An adjusting-fixing assembly for a staple gun has a sliding frame, an adjusting nut, a fixing arm and an abutting shaft. The sliding frame is movably connected to the staple gun and has a connecting board with two positioning recesses. The adjusting nut is rotatably mounted on the sliding frame and has an engaging segment. The engaging segment is formed on the adjusting nut between the threaded end and the connecting board and has multiple engaging faces. The fixing arm is rotatably connected to the sliding frame, engages with the adjusting nut and has a connecting rod, an engaging recess and a positioning element. The engaging recess is formed in an inner side of the fixing nut and engages with two adjacent engaging faces of the engaging segment. The abutting shaft is connected to the adjusting nut and is movably connected to the staple gun.

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 staple gun tacker includes a wire guide mechanism in its forward end which includes a wire guide plate having a recessed lower end for engaging a wire when the plate is in an extended position and a rotatable cam for moving the plate between extended and retracted positions which includes a circular slot formed therein having one end thereof located closer to the axis of rotation of the cam then the other receiving and engaged with a projection on the cam plate so that rotation of the cam is translated into linear movement of the wire guide plate.

Abstract: A nail gun includes a housing, a safety device, a gun barrel, a supporting part, a block, a nosepiece, a linkage, a contacting part, a protrusion, a front linking part, a rear linking part and an arm. The safety device is arranged on the housing. The gun barrel is located at the front end of the housing. The supporting part is arranged inside the housing and has an elastic element. The block is disposed on the gun barrel. The nosepiece and the linkage are slidably arranged on the gun barrel. The contacting part is located at the front end of the nosepiece. The protrusion is applied to against the block. The front linking part is located at the rear end of the nosepiece. The rear linking part detachably connects the front linking part. The arm is located at the rear end of the linkage and against the elastic element.

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: An adjustable depth-of-drive assembly for use with a fastener-driving tool upper probe includes a workpiece contact element carried on the upper probe and having a contact end and an adjustment end, a stop configured for being secured to the upper probe and being moveable between an adjusting position in which the workpiece contact element is movable relative to the upper probe, and a locked position wherein the adjustment end is secured against movement relative to the upper probe, a biasing element associated with the stop and configured for urging the stop and the adjustment end into a selected locked position relative to the upper probe with a biasing force, and at least one camming element carried on the stop for selective camming engagement between the upper probe and the stop by means of a user's manual force to urge the stop into the adjusting position against the biasing element force.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

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: The nail gun contains a gun body and an adjustment device. The gun body has a base containing a top opening. The adjustment device is mounted on the base, and contains a sliding member and a positioning member. The sliding member contains two opposing elongated wing pieces extended along the two lateral sides of the base, respectively. Each wing piece has a through slot, and each slot has a number of positioning notches along a top side of the slot. The positioning member contains a positioning element and an elastic element. The positioning element is housed in the base and is exposed out of the top opening. The positioning element also contains at least a positioning bar extended out of the base into a slot to engage the positioning notches. The elastic element has its two ends connected to the positioning element and the base.

Abstract: An adjusting-fixing assembly for a staple gun has a sliding frame, an adjusting nut, a fixing arm and an abutting shaft. The sliding frame is movably connected to the staple gun and has a connecting board with two positioning recesses. The adjusting nut is rotatably mounted on the sliding frame and has an engaging segment. The engaging segment is formed on the adjusting nut between the threaded end and the connecting board and has multiple engaging faces. The fixing arm is rotatably connected to the sliding frame, engages with the adjusting nut and has a connecting rod, an engaging recess and a positioning element. The engaging recess is formed in an inner side of the fixing nut and engages with two adjacent engaging faces of the engaging segment. The abutting shaft is connected to the adjusting nut and is movably connected to the staple gun.

Abstract: Fastening tool for driving a fastener such as a staple into a substrate a predetermined distance. The tool includes a housing and a driver reciprocally mounted in the housing and moveable with respect to the housing, the driver having a driving surface for engaging a fastener such as a staple. A magazine assembly is associated with the housing for positioning and aligning the fastener in the path of the driver so that when actuated, the driver strikes the fastener and forcibly ejects it from the magazine into the substrate to a predetermined extent so as to adjust or control the holding power of the fastener about the object.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: An adjustable depth-of-drive assembly for use with a fastener-driving tool upper probe includes a workpiece contact element carried on the upper probe and having a contact end and an adjustment end, a stop configured for being secured to the upper probe and being moveable between an adjusting position in which the workpiece contact element is movable relative to the upper probe, and a locked position wherein the adjustment end is secured against movement relative to the upper probe, a biasing element associated with the stop and configured for urging the stop and the adjustment end into a selected locked position relative to the upper probe with a biasing force, and at least one camming element carried on the stop for selective camming engagement between the upper probe and the stop by means of a user's manual force to urge the stop into the adjusting position against the biasing element force.

Abstract: A staple gun tacker includes a wire guide mechanism in its forward end which includes a wire guide plate having a recessed lower end for engaging a wire when the plate is in an extended position and a rotatable cam for moving the plate between extended and retracted positions which includes a circular slot formed therein having one end thereof located closer to the axis of rotation of the cam then the other receiving and engaged with a projection on the cam plate so that rotation of the cam is translated into linear movement of the wire guide plate.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: A fastening tool includes a main body, a cylinder, a piston, a bumper, and an adjusting unit. The main body defines a compressed air chamber and an air damper chamber capable of communicating with the compressed air chamber through an air channel. The air channel has a cross-sectional area. The cylinder is provided in the main body. The piston slidably reciprocates between an upper dead center and a lower dead center in the cylinder. The bumper deforms to absorb energy of the piston when the piston is reaching the lower dead center. The energy of the piston is further absorbed by compressed air in the air damper chamber. The adjusting unit is configured to adjust the cross-sectional area.

Abstract: A staple gun tacker includes a wire guide mechanism in its forward end which includes a wire guide plate having a recessed lower end for engaging a wire when the plate is in an extended position and a rotatable cam for moving the plate between extended and retracted positions which includes a circular slot formed therein having one end thereof located closer to the axis of rotation of the cam then the other receiving and engaged with a projection on the cam plate so that rotation of the cam is translated into linear movement of the wire guide plate.

Abstract: A stitching head is provided having a cam connected to the bender rail rail, the cam operates to redirect the staple driving force being applied by the driver rail to the driver and upon the staple during the staple driving step of stitching head operation; the force-redirecting position of the cam is automatically adjusted in response to the thickness of each workpiece as the cam is connected to the bender rail rail and the contacting of the workpiece by the bender rail repositions the cam at the desired distance above the workpiece to reestablish the set-point for the redirection of the staple driving force being applied to the driver rail upon as staple head contacts each variable thickness workpiece.

Abstract: An electromagnetic stapler includes a driver for driving fasteners into a workpiece, and a solenoid for providing power to the driver. The solenoid has a coil, and a core that is operatively connected to the driver. The stapler also includes a manually adjustable depth adjuster for adjusting a depth of drive of the fasteners. The depth adjuster is movable between a plurality of predefined positions, including a maximum depth of drive position, a minimum depth of drive position, and at least one intermediate depth of drive position. The depth adjuster includes a cam having a cam surface that interacts with the core so as to define an upper position of the core, an adjustment knob operatively connected to the cam, and a detent mechanism for securing the cam at one of the plurality of predefined positions to thereby define the upper position of the core.

Abstract: A nailing depth adjusting device of a palm-type nail gun, installed in a containing recess, which is for the hammer rod to go through, at the bottom of the nail gun body. In side of the containing recess is provided with at least one guiding indentation and an adjusting sleeve. One end of the adjusting sleeve adjacent to the guiding indentation is slidably engaged in an outside wall of a guiding piece by threads. The guiding piece includes at least one guiding pillar slidably engaged in the guiding indentation. Users may rotate the adjusting sleeve to control the position of the guiding piece. Inside the adjusting sleeve is provided with an telescopic conduit. One end of the conduit is exposed outside of the adjusting sleeve. The conduit can touch the surface of the work piece, which causes the conduit to move until touching the guiding piece and thereby, adjust the nailing depth of the hammer rod.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: An adjusting mechanism for nailing power of nailing gun, comprising: a slot which is arranged in an upper aluminum cap and is co-axial with an air cylinder, so that the balanced valve airtight slides in the slot, the front side of the balanced valve is exposed to a main chamber, and the rear side of the balanced valve encloses with the inner surface of the upper aluminum cap to form a control chamber; the travel distance of the balanced valve is restricted between the cylinder and a cushion seal arranged on the rear surface of the upper aluminum cap, wherein the cushion seal is positioned axial position adjusting mechanism. The present invention has the advantages of capable of adjusting nailing power so as to provide maximum output power and is convenient for adjusting nailing frequencies.

Abstract: The tool comprises an engine for propelling a piston including a shaft for driving a fastening member into a supporting material and through a pin guide, with means for adjusting the depth of drive of the piston shaft outside the pin guide at the end of the propulsion and at the stop of the piston in abutment against stop means. The pin guide is mounted free in translation and the depth of drive adjusting means comprise an adjustment knurl with a knurl shaft arranged so as to be in abutment against the pin guide and to push the pin guide forwards under the rotation action of the knurl.

Abstract: A nailing depth adjustable device for a nail gun includes: a barrel-extending part mounted slidably on a barrel; an interconnecting part extending from the barrel-extending part and defining a driving surface; a support; and a telescopic adjusting unit mounted movably on the support and including a first part and a second part that is coupled movably to the interconnecting part, that defines a driven surface, and that engages threadedly the first part so as to be rotatable relative to the first part and the interconnecting part and therefore to be movable relative to the first part and the interconnecting part, thereby permitting adjustment of the distance between the driving and driven surfaces.

Abstract: A contact trip assembly for a power nailer, wherein a contact member includes a curved portion that loops rearwardly towards a handle of the nailer. Also provided is an adjustment assembly including an adjustment plate and a pinion gear, a trigger that is slidably engageable within a housing of the tool, a trigger lock including a ring element, an anti-discharge mechanism including a stop member, and a contact trip lock.

Abstract: This invention provides a spring powered stapler comprising a power spring having a front and a rear end, the rear end of the power spring being limited from moving frontward, a middle section between the front and rear end of the power spring being bent down while the front and rear end of the power spring maintaining in upper positions for storing energy in the power spring, and the front end of the power spring moving rearward as a result of the middle section of the power spring being bent down, and a lock plate, while not moving, holding up the front end of the power spring before the rearward movement of the front end of the power spring exceeding a predetermined distance and releasing the front end of the power spring after the rearward movement of the front end of the power spring exceeding the predetermined distance.

Abstract: A nail gun switch mechanism includes a gun body and a trigger. A 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. 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 or a second 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 or a contact actuation mode.

Abstract: A nail is held within a cylindrical nail receiver by a magnetized tip of a cylindrical driver rod. As the driver sleeve is moved toward a surface, the driver rod drives the nail into the surface leaving a predetermine space between the head of the nail and the surface. A coil spring, attached to the nail receiver and allows for the nail receiver to be adjusted for several nail lengths thus allowing for an accurate placement of the nail against the wall. The nail receiver is interchangeable to allow use of the device with nails and anchors of differing diameters.

Abstract: A combustion-powered driving tool for propelling fasteners into a workpiece includes a housing, a power source located in the housing, a nosepiece associated with a lower end of the power source, a magazine associated with the housing and constructed and arranged for storing and sequentially feeding a plurality of fasteners to the nosepiece, and a workpiece contact element associated with the nosepiece and including at least one tooth extending from the workpiece contact element and being constructed and arranged for engaging the workpiece to enable the tool to actuate when the magazine is arranged generally parallel to the workpiece.

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 contact trip assembly can include a contact trip slidably disposed relative to the housing between an advanced position and a retracted position. The contact trip assembly can be operable to activate a contact trip switch in the retracted position. A lock-out mechanism can include a paddle rotatably fixed relative to the housing between a disengaged position wherein the contact trip is permitted to slide between the advanced and retracted position and an engaged position wherein the contact trip abuts the paddle thereby precluding movement of the contact trip to the advanced position.