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 nail gun includes a body having a nose connected thereto and a path is defined in the nose. A magazine is engaged with an opening defined through a wall of the nose so as to provide nails into the path. Each nail includes a head and a shank. A plurality of grooves are defined axially in an inner periphery of the path. A strike rod is movably received in the path and has ridges extending radially from an outer periphery of the strike rod. The ridges are slidably engaged with the grooves in the path. A diameter of a circle formed by outer surfaces of the ridges is not less than an outer diameter of the head of the nail, so that when the strike rod hits the head of the nail and head of the nail is not deformed.

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

Abstract: An anchor installation tool has an elongated member with a body portion and a head portion. The body portion includes an internal bore to receive a drill bit. The head portion projects from and has a diameter smaller than the body portion. The head portion is coaxial with the body portion. An anchor guide has a sleeve-shaped body with a bore throughout the body. The bore has a portion sized to fit over the body portion and a portion to fit over the head portion. The guide slides on the body and head portions. A mechanism retains the anchor guide onto the body portion. The retaining mechanism enables sliding of the anchor guide and prohibits removal of the anchor guide from the body portion.

Abstract: A strip of fasteners may be provided with connecting portions between individual fasteners. Each individual fastener may include a body portion and at least one nail portion. The body portion may include at least a pair of leg members spaced from one another in a first direction and a crown portion joining the at least a pair of leg members. The nail portion may include an elongated shaft portion having a shaft portion central longitudinal axis and an elongated head portion attached to one end of the shaft portion. The elongated head portion may have a head portion central longitudinal axis that is transverse to the shaft portion central longitudinal axis. In a method of manufacturing the strip of fasteners, the nails may be simultaneously inserted into each fastener body portion. In a tool for installing fasteners, a pivot member may be provided to prevent jamming.

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

Abstract: A fastener-driving tool includes a combustion power source configured for driving a driver blade linearly towards a workpiece, and an electrical power source associated with the combustion power source for rotationally driving the driver blade upon completion of the linear travel, both power sources being disposed in the tool.

Abstract: The invention relates to a screw gun including a driving unit fitted with a slidable cartridge holder adapted for receiving and indexing a separate cartridge containing a plurality of screws. The invention further relates to the replaceable cartridge containing the plurality of screws for use in a screw gun. The invention allows for the loading and insertion of a plurality of screws from a cartridge without requiring a worker to handle and insert the individual screws into the driver.

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

Abstract: A nail gun includes a gun body having a driving apparatus therein, a muzzle at an end thereof, a front plate under the muzzle, a magazine beside the front plate to store nails therein, and a grip. A pivot portion is provided on the gun body under the muzzle and beside the front plate. A front lid has a pivot base portion to pivot the pivot portion therein, and a first lock portion opposite to the pivot base portion. The first lock portion may secure the front lid on the front plate when the front lid is turned against the front plate. A second lock portion is provided on the other side of the front plate to secure the front lid for not moving and turning when the front lid is turned against the front plate.

Abstract: A hand-held drive-in power tool for driving in fastening includes a drive-in ram (13) displaceable in a guide (13), at least one preloaded drive spring (31); for driving the drive-in ram (13), a tensioning device (70) for preloading the drive spring (31); a transmission element (33) for transmitting a tensioning force from the tensioning device (70) to the drive spring (31) and at least one roller (34) for guiding the transmission element (33) and supported on a support element (35) by at least one rolling bearing (40).

Abstract: A spring-energized stapler having a pliers type configuration, wherein papers and like items are fastened at a front end and the stapler is normally gripped and squeezed at a rear end. A compact mechanism and independent handle linkages provide a compact overall shape in a high efficiency action. An upper handle is pivoted at a front, top of a housing with a pressing area spaced at least one half the handle length away from the upper handle pivot. A lower handle includes a multi-segment cam link to a base to provide a minimal gripping distance with a large clamping force at an anvil. A simplified front-loading mechanism provides a compact, low cost assembly. A release latch holder is located behind the striker for a compact front end.

Abstract: A jam-resistant tacker apparatus is invented, comprising a slit for engagement with an upper pin at the upper ends of a plurality of pin guides mounted to a magazine cover and forming a seating recess for receiving the upper pin at a predetermined position of the magazine so that the forward and backward movement range of the pin guides is increased, and by providing a spring having less elasticity than the spring of a pusher at the upper rear ends of the plurality of pin guides so that a tacker pin and the pusher can be guided while remaining in close contact. The present tacker apparatus is able to prevent of the problem of jammed tacker pins, by applying a horizontal elasticity for stably guiding the tacker pin horizontally in addition to an upward elasticity for moving the tacker pin upward.

Abstract: A part clamp is temporarily held in a short cylindrical portion provided on a contact arm of a nailing machine and is nailed to a building body or the like by the nailing machine. The part clamp is provided with a base portion having a through hole at its center for inserting a nail therethrough, and an engaging portions for engaging with the short cylindrical portion. When the part clamp is pushed in the axial direction of an injection port of the nailing machine, the part clamp is temporarily held in the short cylindrical portion. The load to push the part clamp to engage with the short cylindrical portion is lower than the load to push the contact arm to slide along the injection port.

Abstract: A nail gun includes a body, a handle connected fixedly to and extending laterally from the body, a nail ejecting member disposed on the body and formed with a nail discharging passage having opposite inlet and outlet ends, a magazine member connected to the nail ejection member, and an elongated nail guiding plate disposed within the nail discharging passage, and a driving member. The nail guiding plate has a pivot end disposed pivotally within the inlet end of the nail discharging passage, a free end disposed within the outlet end of the nail discharging passage, and a driven portion disposed between the pivot end and the free end. The driving member is connected to the driven portion of the nail guiding plate for driving the free end of the nail guiding plate to pivot between first and second positions.

Abstract: A staple leg guide for use with desktop staplers having a channel shape, with two downward extending fingers that support the underside of the staple legs as the staple is driven into a stack of sheet media to reduce kinking and improper penetration of the stack by the staple leg.

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, and a safety device (50) for preventing actuation of the actuation switch (13) at an orientation other than a predetermined orientation of the setting tool (10) and including at least three blocking members (55a, 55b, 55c) displaceable in at least three separate channels (56) respectively, and receivable in a recess (51) formed in the switching member (34) and open toward the structural component, with the channels (56) being inclined with respect to a plane (E) extending perpendicular to a longitudinal axis (A) of the positioning device, and with at least three channels (56) intersecting, in some regions, an axial projection of the switching m

Abstract: The present invention provides an improved electric stapler structure, structured to include a housing and a staple slot fixing piece. A driving arm is located at one side within a mount corresponding to staple pushing pieces of the staple slot fixing piece. The staple pushing pieces are used to cause a spring piece of a pressure piece to squeeze a staple. Furthermore, a central bearing base is located at another side of the mount, so that when a stop piece of a hook ring separates from an inverted hook portion of the central bearing base, then a groove and buffering of a stop portion is used to block a protruding piece of a blocking piece, thereby preventing the central bearing base from flicking out in a split second due to the elastic force of a pull piece spring, and thus safeguarding safety of the user during use.

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 stapler (1) for stapling together a workpiece (7), primarily a sheaf of papers, in which the stapler comprises a stapling unit (3) and an anvil (2), which interacts with the stapling unit and on which the workpiece is placed, and against which stapling is performed, which stapling unit and an anvil are, by means of a drive means (4), driven relative to each other in a reciprocating stapling movement (P), during which movement stapling takes place, wherein the stapling unit comprises a frame (8) and a staple cassette (9) which houses staple blanks (32) and which is exchangeable, and which is detachably connected to the frame by attachment devices (10), wherein the staple blanks are fed one by one to an outlet channel (56) by a feeding device (13) incorporated in the stapler, through which outlet channel a staple (35) which has been fed and formed into staple shape during the stapling movement is driven, by a blade-shaped driver (45) incorporated in the stapler, to staple the workpiece, which driver is driven

Abstract: A magazine includes guide portions formed at a pair of side walls to be opposed to each other for introducing to guide a portion of a nail shaft portion, an opening portion formed on a base end side of a nose portion relative to the guide portion of one of the side walls, a first attaching portion formed on a front end side of the nose portion relative to the guide portion of the one side wall, a second attaching portion formed on the base end side of the nose portion relative to the guide portion of the other side wall, and a notched portion formed on the front end side of the nose portion relative to the guide portion of the other side wall.

Abstract: A stapler includes a base which has two connection plates on a top thereof and each connection plates include three holes. A magazine has one end pivotably connected to the hole located at the rear end of the base and staples are received in the magazine. A first arm has two grooves in the two sidewalls of the rear end thereof and is pivotably connected to the second hole of the connection plates. A second arm located between the first arm and the magazine, a rear end of the second arm movably engaged with the two grooves in the first arm. The second arm is pivotably connected to the third holes of the connection plates.

Abstract: An installation assembly for window blind brackets. The assembly has a housing holding a fastener device with washers or bushing on the fastener devices for support and to act as a washer upon installation. The same housing or an additional housing on the assembly holds a plunger device for punching the fastener device from the housing and into a mounting surface for installation of a bracket. Separate tabs or fill material within the housings may retain both the fastener device and plunger until use of the installation assembly. The installation assembly may be pre-arranged with a bracket and secured together until installation.

Abstract: A fastener driving tool having a magazine device including a magazine and a nail feeder. The magazine extends in a first direction and defines an accommodation portion for accommodating therein a fastener array. Each fastener has a shaft with a sharp-end and a head connected to the shaft. The plurality of fasteners are directed in a second direction perpendicular to the first direction and positioned side by side to form the fastener array extending in the first direction. The magazine has one end and another end in the second direction. One end is close to the sharp end of the fastener and another end is close to the head of the fastener. The accommodation portion includes an expanding portion having a width in a third direction perpendicular to the first direction and to the second direction. The width is gradually increased from the one end toward the other end.

Abstract: The invention relates to a device for loading a rivet module (10), which can be vertically displaced between a lower placement position and an upper loading position, with blind rivet nuts (100) using a rivet feed (22). The invention is characterized in that next to the rivet placement head (12), a cup (24) for accommodating blind rivet nuts is laterally arranged such that it can be displaced between a position underneath the rivet feed (22) and a position underneath the rivet module (10) that is located in the loading position, whereby the cup (24) is provided with a clamping cylinder.

Abstract: The present invention is directed to an apparatus for use in installing tack strips (e.g., as in carpet installation). This apparatus includes a body that has a longitudinal reference axis, first and second longitudinally spaced ends, and a longitudinally oriented body aperture that extends along the reference axis and between the first and second ends of the body. Further, a striker pin that is movable along the reference axis is disposed within at least a portion of the body aperture. Still further, at or toward the first end of the body of the apparatus is a tack strip track assembly that has a tack strip-accommodating guide channel defined therein. Moreover, this track assembly generally includes a substantially immobile spacer for promoting appropriate spacing of a tack strip from a surface.

Abstract: Fastener insertion apparatus comprises a nose having a fastener delivery passage and side entry port. Fasteners such as rivets are supplied to the nose via a fastener supply passage and a fastener feeder assembly. A punch reciprocally disposed for movement in the delivery passage drives a fastener disposed in the delivery passage out of the passage and into a workpiece. The feeder assembly comprises a gate that is movable between retracted and advanced positions. In the retracted position it is clear of the supply passage and the delivery passage so as to permit movement of a fastener from the supply passage to the delivery passage. In the advanced position it at least partially closes the supply passage so as to prevent movement of a fastener and it projects into the delivery passage through the entry port so as to retain a fastener, if present, in the delivery passage. Sensors are provided to detect the position of the gate.

Abstract: An apparatus which enables a user of a pneumatic tool device, such as a nail gun, to determine the required compressor pressure needed to most effectively utilize the pneumatic tool device and maximize the life of the tool. A compressor pressure indication assembly on a nail gun comprising a nail verification assembly and a readout assembly enables a user to verify the length and/or diameter of the nails to be driven by the nail gun and set the compressor pressure accordingly.

Abstract: A positioning device of a nail driver comprises a tool body; a positioning unit in a front end of the tool body; the positioning unit having a nail output frame and a guide block formed by two sliding blocks; an nail output opening at a front end of the nail output frame formed with two sliding recesses; the two sliding blocks being movable installed into the sliding recesses; a guide opening formed between the two sliding blocks; when the two sliding blocks are separated, the guide opening expands; two positioning plates; each of two sides of the nail output frame having a respective one of the two positioning plates; and two spring elements, each spring element being confined by a respective one of the two positioning plates and a respective one of the two sliding blocks.

Abstract: Fastener insertion apparatus comprises a nose having a fastener delivery passage and side entry port. Fasteners such as rivets are supplied to the nose via a fastener supply passage and a fastener feeder assembly. A punch reciprocally disposed for movement in the delivery passage drives a fastener disposed in the delivery passage out of the passage and into a workpiece. The feeder assembly comprises a gate that is movable between retracted and advanced positions. In the retracted position it is clear of the supply passage and the delivery passage so as to permit movement of a fastener from the supply passage to the delivery passage. In the advanced position it at least partially closes the supply passage so as to prevent movement of a fastener and it projects into the delivery passage through the entry port so as to retain a fastener, if present, in the delivery passage. Sensors are provided to detect the position of the gate.

Abstract: A fastener guide (6) for use in a power-operated drive in device (4), particularly of a stand-up tool (2), having a guide path (16) in which a plurality of fasteners (14) can be received and which has a device-side opening (18) and a free opening (20), the guide path (16) being curved toward the device-side opening (18) proceeding from the free opening (20). The fastener guide (6) can be mounted on the drive in device (4) in a detachable manner by connection means, and the guide path (16) has a fall-out prevention device (26, 48) at each of the two openings (18, 20).

Abstract: A nail stapler magazine includes a storing device, a feeding device, a gate and a distinguisher. The storing device is for storing nails and first and second types of staples each including first and second legs. The feeding device is for feeding the nails and the first and second types of staples from the storing device. The nails and the first and second types of staples are fed through the gate. The distinguisher is for distinguishing the nails and the first and second types of staples from one another and ensuring that only one of the nails and the first and second types of staples is fed at a time.

Abstract: A system for installing fasteners into a workpiece. The system includes a fastener orientation system and an installation unit. The fastener orientation system receives the fastener from a fastener delivery tube and retains the fastener in a holding jaw. Specifically, the fastener is retained by a plurality of deformable fingers in the holding jaw. The installation unit is coupled to the fastener orientation system and operable to move laterally with respect to the fastener orientation system to provide a force for securing the fastener in the workpiece.

Abstract: A tool for driving and setting nail-pin anchors and anchor bolts into concrete, the tool using the percussive action of a rotary hammer drill. The tool comprises a body member with a spring, a driver, and a ram inserted into the body member's bore. After a hole is drilled for insertion of the anchor, the masonry drill bit of the rotary hammer drill is slid inside the bore of the ram and temporarily locked to the tool. The rotary hammer drill is activated, and the drill bit turns inside the ram without affecting the body member or the anchor. Instead, the percussive force of the rotary hammer drill transfers its impact to the ram and the driver, which impacts the nail of the nail-pin anchor, or the stem of the anchor bolt, setting it into the concrete. A keyed bearing can be installed inside a sleeve of the ram in order to protect the tip of the masonry drill bit from shearing.

Abstract: An adapter attached to a fastener driving tool for installing siding on a structure. The adapter has a front face and a back face with an opening formed therebetween. A cavity is formed in the back face and a face plate of the fastener driving tool is received in the cavity. A jaw is formed on the front face of the adapter. The jaw on the adapter is abutted to the lateral ridge on the siding and the adapter is aligned with a selected lateral slot in the siding. The fastener is driven into the lateral slot with the head of the fastener spaced a predetermined distance from the structure.

Abstract: A point driver is provided that comprises a body, a selectively operable actuator, a pushplate connected to the actuator, and a head. The head includes a channel disposed between a first section and a second section. At least a segment of the channel follows an arcuate path. The head is aligned with the actuator so that a portion or all of the pushplate can be driven by the selectively operable actuator through at least a portion of the channel.

Abstract: A fastener driving tool includes a driver having a driver shaft extending therefrom, a first extension member operably connected to the driver and a second extension member operably connected to the first extension member. The tool is for use on roof deck panels. The second extension member slidingly engages the first extension member between a loading position and a driving position. A bearing assembly operably connects the first and second extension members. The bearing assembly is formed from a non-metallic, low-friction material. A portion of the bearing assembly is mounted to one of the first and second extension members for sliding engagement with the other extension member and is disposed to prevent direct contact of the first and second extension members with one another. A fastener receiving member is mounted to the second extension member for receiving fasteners when in the loading position and for supporting and releasing the fasteners when in the driving position.

Abstract: A nail guiding mechanism of nailing gun composed of a gun body, a nail magazine and the nail guiding mechanism. The nail guiding mechanism includes a bottom board, a middle board and a top board. The bottom board is connected between the gun body and the nail magazine. The middle board is locked on the top face of the bottom board. The middle board is formed with multiple connecting holes for multiple locating members to fit therein. The locating members protrude from the top face of the middle board. The top board is mounted on the top face of the middle board. The top board is formed with multiple locating holes respectively corresponding to the locating members. The locating members are respectively passed through the locating holes to protrude from the top board. A press shank and a latch ring are pivotally disposed on the top board. When pressing down the press shank, the latch ring is tightly latched with the locating members to fixedly connect the top board with the middle board.

Abstract: A continuous riveter is provided, which can make a rivet distance in a blind rivet holder small since an available continuous riveter having a linear guide plate elongated from a rivet supply section could not reduce the rivet distance while avoiding the interference with a vertically movable cylinder. A guide plate (43) elongated from an accommodation case (40) of a rivet supply section C is provided with a bent section (43b) inclined at a predetermined angle &agr; with respect to a linear feed section (43a). An axis of a cylinder (31) is disposed on a shank R1 of a blind rivet held by an upper tab T4 of a blind rivet holder T immediately after the rivet holder T has passed through the linear feed section (43a) and bent.

Abstract: A cartridge is provided that reliably feeds staples even when the sheet of staples is completely unraveled. A shaft is established in the housing unit for the cartridge as a mechanism for forming a space. The shaft is not centered inside the round housing unit but is instead off-center. In other words, the shaft is located beneath the center line of the housing unit. Also, the shaft is located completely inside the hollow cavity formed by the rolled sheet of staples. As a result, the sheet of staples does not come into contact with the interior walls of the housing unit even when the rolled sheet of staples is unraveled.

Abstract: A surgical fastener system is disclosed. The system includes a surgical fastener, a surgical fastener holder sized and shaped to receive the surgical fastener at least partially therein, and a surgical fastener driver having a seat sized and shaped to frictionally receive a head of the surgical fastener therein. The fastener driver is constructed and arranged to selectively urge the fastener, and more particularly the fastener head, out of the seat. The surgical fastener driver thus includes an elongate body with the seat defined at an end thereof, and a drive piston disposed within the body. The drive piston has a first retracted position, and a second extended position in which at least a portion of the piston extends into the seat to urge the fastener out of the seat during usage. Also disclosed is a surgical fastener and a surgical fastener holder, respectively, for use with the system.

Abstract: An installation head, fastener, and method for installing the fastener are disclosed. The installation head has control fingers which control the position of the fastener with respect to the plunger and workpiece to which the fastener is to be attached during the entire travel of the fastener from the entry into the installation head to installation in the workpiece. The fingers are pivotally mounted to the plunger and travel with the plunger throughout the installation path. The fingers are adapted to engage the fastener in a displaced area on the fastener so that the fingers can control the fastener through installation of the fastener into the workpiece. The displaced area is positioned between the top and bottom of the fastener so that the fingers can maintain control throughout installation.

Abstract: A driving-in tool for a furniture part which can be fitted in place by at least one rotating lever, is provided in which the driving-in tool possesses a centering part shaped in accordance with the fitting part to be connected and serving as an insertion guide, and a spring or spring-loaded holding part supporting the rotating lever in its open position.

Abstract: A combustion-powered, fastener-driving tool useful to fasten a dimpled membrane to a foundation wall, via a fastener and a polymeric plug, is arranged to drive a fastener from a nosepiece, through the plug and the membrane, into the wall. An actuating member mounted movably on the tool is movable thereon between an extended, tool-disabling position and a retracted, tool-enabling position. A workpiece-contacting probe is mounted to the actuating member so as to be conjointly movable with the actuating member. The probe includes a plug-holding member adapted to hold the plug as the fastener is being driven, having a tubular wall defining a recess adapted to receive the plug, and having two pointed elements in diametric opposition to each other, each having a point projecting inwardly from the tubular wall so as to press against the plug received in the recess. The workpiece-contacting probe includes a mounting bracket mounted to the actuating member.

Abstract: A fastening machine (e.g. for rivets) has a fastening head where the fasteners are brought into alignment with the punch and die in a carrier tape. The carrier tape has a web with slits or teeth engageable by a sprocket wheel which sequentially advances the fasteners until the stems engage a retractable stop. When the punch is advanced, the fasteners are pushed through the carrier tape to be deformed by an upsetting die aligned with the punch. In modified embodiments, the fasteners are urged transversely from the web of the carrier tape, the carrier tape being advanced by a gear which engages teeth on a side flange on the carrier tape. The sprocket wheel may be remotely driven e.g. by a flexible cable drive to accommodate the movement as the fastening head is advanced towards, or retracted from, the upsetting die.

Abstract: A hammer-type stapler in which the staple driving element and the staple drive track defining structure are constructed and arranged with respect to the frame structure to move through a drive stroke incident to an operator grasping a handle portion and manually impacting the staple drive track defining structure on a workpiece. The direction of guided movement of a staple stick along the staple feed track is at an angle greater than 90.degree. with respect to the direction of the drive stroke of the staple driving element within the staple drive track, the arrangement being such that the leading staple will be driven into the workpiece in the direction of the drive stroke enabling the hand grip portion to be positioned for manual gripping so that the knuckles are spaced from a flat workpiece surface in which a staple has been driven generally perpendicularly therein.

Abstract: An apparatus for feeding rivets for riveting guns comprises a first duct for transporting the rivets to a front arming device of a riveting gun; the first duct is connected to a source of compressed air supplying the compressed air at a first determined pressure, and a first pressure reducing element to impart the air flowing along the first duct a second determined pressure, and a first solenoid valve to control the outflow of compressed air through the first pressure reducing element; it also comprises a second duct connected at one of its ends to a source of compressed air and with its other end connected to a portion of the first duct positioned in proximity of the front arming device, along the second duct flowing compressed air at the first determined pressure higher than the second determined pressure which flows inside the first duct.

Abstract: A unitary fastener collation tube for retaining a plurality of fasteners useable in a stand-up fastener driving tool. The fastener collation tube includes an elongated body member having a channel having a substantially T-shaped cross section for receiving the fasteners arranged side by side therein. At least one end of the elongated body member includes a resilient fastener retaining member engageable with an endmost fastener of the plurality of fasteners so as to retain the plurality of fasteners in the channel of the fastener collation tube, whereby the plurality of fasteners retained in the fastener collation tube are releasable from the fastener collation tube when the resilient fastener retaining member is disengaged from the endmost fastener.

Abstract: An apparatus for setting up fastener elements having a shaft and a head, e.g. rivets or the like, wherein the shaft length is equal to or less than the head diameter, the setting-up being ahead of a press-bar or hammer of a fastener-driving machine, which press-bar or hammer is adjusted to the head of the fastener elements. The apparatus includes a transfer mechanism which transports fastener elements in succession, by means of a flow of a medium, into an intermediate position in the vicinity of the press-bar or hammer. A radially elastic holding device is disposed in the fastener-driving machine, which holding device is movable with the press-bar or hammer and is capable of holding the head in an axial orientation with respect to the press-bar or hammer at a location ahead of the press-bar or hammer, i.e. downstream in the flow of driving force exerted by the press-bar or hammer. The transfer mechanism transfers a transported fastener element to and into the holding device.

Abstract: A rotary hopper includes a door, which is pivotally mounted on the main mounting plate for pivoting about a vertical axis, having a transparent element to enable viewing of the interior of the rotary hopper. The pivotally mounted door enables easy access to the interior of the hopper. On the opposite side of the main mounting plate from the door, a shaft is supported for rotatably supporting a cone having a gauging ring with gauging grooves mounted thereon. A recess in the cone, the interior of the gauging ring, and the interior of the transparent element on the door form a reservoir in the rotary hopper for the fastener elements. On the side of the main mounting plate having the door, the main mounting plate has a vertical groove to receive the fastener element in each of the gauging grooves when each of the gauging grooves is aligned therewith during rotation of the gauging ring. The vertical groove communicates with a setting station of an attaching apparatus.