Abstract: The power tool comprises a first power tool portion having a rotatable collar and a first locking member arranged to be actuated by the rotatable collar and a second power tool portion having a second locking member. The rotatable collar is rotatable about an axis for actuating the first locking member to removably engage the first locking member with the second locking member, thereby releasably locking the first power tool portion with the second power tool portion along the axis.

Abstract: The present invention refers to a device for tensioning a connecting element fastened to a component to be tightened, comprising a fixation element for holding the connecting element; a support element for supporting the device against the component; and an actuating unit with a fluid chamber for receiving a fluid and a piston which is translationally guided in the fixation element. The actuating unit is configured for manipulating a volume of the fluid chamber by translationally actuating the piston so as to move the fixation element relative to the support element. The piston is coupled to the fixation element by means of at least one ball or roller screw.

Abstract: An apparatus for providing an efficient platform for installing screws can include a cart with wheels and a screw assembly mounted to the cart. The screw assembly can include a screwing device that rotates a drive shaft that engages a screw, a screw guide tube and a screw feeding tube connected to the screw guide tube. In another embodiment, an assembly is provided. The assembly may include a bracket for coupling to a moveable platform, a screwing device coupled to the bracket and that rotates a drive shaft that engages a screw, a screw guide tube and a screw feed tube connected to the screw guide tube.

Abstract: A slot die coating device according to one embodiment of the present disclosure includes a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and a block positioned in the internal space, wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and wherein the block comprises a first block facing the first inside portion and a second block facing the second inside portion.

Abstract: An installation tool and related methods are provided. The tool can pull a strip of collated fasteners along a collated fastener path to a guide, where individual fasteners are sequentially separated from the strip and advanced into a workpiece. The tool can include a tension feeder located downstream of the guide. The tension feeder is configured to apply tension to the strip between the guide and a leading end of the strip. The tool can include a driveshaft configured to attach to a conventional drive tool chuck or a drive tool having hexagonal type drive components. The guide can be one piece and replaceable, with a guide body and a guide head. A strip slot can be defined in the same to align a fastener head with a backstop and facilitate entry of a fastener shank in a feed slot. Related methods of use are provided.

Abstract: A device for lifting and tightening screws includes a transporting unit to move the device to a screw suction position or a screw locking position, a suction nozzle unit, a vacuum generator, and an electronic screwdriver unit. When the device is moved to a position to attract and apply suction to a screw, the suction nozzle unit captures a screw. When the device is moved to the screw locking position, the electronic screwdriver unit tightens the screw. The device prevents the suction nozzle from contacting the workpiece, guides a suction position of the screw, and can function in relation to screw holes surrounded by steps and barriers.

Abstract: A pick tooling device including a pick tool configured to pick up an object such as fastener, and a driver having a drive bit that is configured to drive the fastener. The pick tool may be a pneumatically-operable gripper tool that is used to pick up the fastener, or the pick tool may be a vacuum-operable pick tool that utilizes suction to pick up the fastener. The drive bit may be axially movable relative to the pick tool to engage and drive the fastener picked up by the pick tool. The device may include a tool changer having one side that is operably connected to the driver, and another side that is operably connected to a fastener-specific pick tool, in which the pick tool can be separated from the driver to permit quick-changeover to a different type of pick tool.

Abstract: An air-driven device for feeding lockbolt collars to a presentation position for installation on lockbolts, one at a time, including a hand-held grip with a curved presentation piece on the top end and a flared bottom end with an air input. The grip is designed to receive in an attached relationship a cylindrical collar cartridge with a spiral cartridge passage for holding a large number of collars. An air supply can be connected into an inlet in the flared collar of the grip and this inlet is in communication with an air passage that extends downwardly through the cartridge to a point where it enters into the spiral passage so as to urge collars upwardly through the spiral passage into the grip body and from there to the presentation position.

Abstract: The present invention is concerned with a basket processing apparatus that includes a basket storage portion in a form of a horizontal load rail (2). A plurality of slide storage baskets (4) can be located in series on the rail (2). Each basket is “side loading” and the side loading aperture of each basket can be selectively covered by a slide retaining bar (6). When the baskets (4) are placed on the load rail (2) (e.g. by hooking or clipping the baskets onto the rail), the basket can be moved along the horizontal rail by a basket moving means. The arrangement of the rail and the basket moving means is such that the baskets can be pushed together and move as a “train”. Baskets moved to the pick-up end (12) of the rail can then be removed from the rail and processed. A vertical lift mechanism can be used to remove the basket and transport it to a processing device, for example a coverslipper.

Abstract: Disclosed is low aspect ratio screw finder for receipt and optimal alignment of a screw. The screw finder may be used in conjunction with a complete screw bit assembly including a screw insertion assembly and a driver. The screw finder includes a screw guide, a screw guide sleeve, and a retraction mechanism. The screw guide is coupled to the screw guide sleeve for movement relative to the screw guide sleeve and provides a surface to abut against the screw to maintain the screw in an optimal orientation for movement from the tube into a bottom portion of the screw insertion assembly. The retraction mechanism retracts the screw guide towards the screw guide sleeve to allow the screw to enter the bottom portion of the screw insertion assembly and to allow the driver to extend through the bottom portion of the screw insertion assembly to engage the head of the screw.

Abstract: A light-emitting diode package is provided. The light-emitting diode package comprises a substrate and a first metal layer disposed over the substrate. A solder layer is disposed on the first metal layer and a light-emitting diode chip is disposed on the solder layer, wherein the light-emitting diode chip comprises a conductive substrate and a multilayered epitaxial structure formed on the conductive substrate, and wherein the conductive substrate is adjacent to the solder layer.

Abstract: There is provided a powered tacker device for use in installing multiple surgical fasteners through a prosthetic mesh into tissue. The powered tacker device generally includes a handle assembly and a tacker assembly extending distally from the handle assembly. The handle assembly includes a motor and self-contained power assembly to rotate the surgical fasteners into tissue. The handle assembly is provided with a drive assembly which allows for rotation, as well as distal longitudinal movement, of a surgical fastener relative to the powered tacker device. The tacker assembly includes an inner tube for containing the plurality of surgical fasteners and a driver which is movable out of alignment with the inner tube so as to install a single fastener at a time into tissue.

Abstract: Apparatus including a vending machine compartment including a dispensing door openable to permit removal of merchandise from the compartment, the compartment being pivotedly connected to a box assembly, and wherein the dispensing door includes a link element that is constrained to move along a track formed in the box assembly such that the dispensing door is not openable at a first portion of the track and is openable at a second portion of the track.

Abstract: An exemplary fastener feeder includes a pair of guiders, a slot cover and a blocker. The guiders define a sliding slot therebetween. Each guider includes a sloped part and a level part, bodies of the fasteners are capable of being received in the sliding slot, and a head of each fastener is capable of sliding down from the sloped parts and stopping on the level parts. The slot cover defines an opening for providing a path through which a fastener pickup device can pass through and engage with a fastener located on the level parts. The blocker is located below the level parts. When the fastener pickup device moves the fastener head engaged therewith away from the opening and a length of the fastener is greater than a distance between the blocker and the level parts, the fastener is blocked by blocker and disengaged from the fastener pickup device.

Abstract: A tool device includes a frame, a barrel extending from the frame, a first magazine having first passages for containing work or drive bits, and a second magazine having second passages for containing fasteners. A shaft is movable over a path that extends through the barrel. When a second passage is vacant and aligned with a selected first passage, a work bit in the first passage is urged by the shaft through the vacant second passage and through the barrel, to be set at a distal end of the barrel for use on a work object. When a second passage containing a fastener is aligned with a selected first passage, a drive bit in the first passage is urged by the shaft to engage the fastener and advance the fastener to the distal end of the barrel, to enable the bit to drive the fastener into the work object.

Abstract: A screw band locking device includes a linking sleeve, a torque releasing device, a quick connecting head, and a band transmitting device. The linking sleeve is combined with a powered hand tool. The torque releasing device has a combining rod with one end to be combined with a powered hand tool and the other end for an outer ring to fit around. A locking-depth adjusting ring is combined with the outer ring, and the combining rod has a combining groove for receiving a screw driver. A driving member is located at an outer side of the torque releasing device. The band transmitting device has a main body to be combined fixedly with the linking sleeve, with the torque releasing device installed in an inner rear portion of the main body. Further a coiled spring is provided between the band transmitting device and the torque releasing device.

Abstract: A continuous screw tightening machine including a driving machine (4) equipped with a grip handle (2); a tightening machine main body (3) with which a bit (7) for screw tightening is removably connected to the driving machine (4) through a reduction gear and a clutch; and a screw feed mechanism through which the bit (7) is rotatably inserted and which sequentially feeds a screw to the position where a tightening operation is to be carried out by the bit 7. The screw tightening machine also includes a screw feed mechanism main body (6) which is connected to the front of the tightening machine main body (3) so as to be slidable in the longitudinal direction, a screw supply mechanism (110) which continuously supplies a number of single-part screws in sequence to the screw feed mechanism under the force of gravity, and a tip block (12) which is connected to the screw feed mechanism main body, providing a surface to be contacted with an object.

Abstract: There is provided a device for driving a fastener, such as a nut driver, that includes an elongate shaft having a first end and a second end opposite the first end, an aperture disposed on the first end and having an interior aperture shape that is substantially the same as at least a portion of an exterior shape of the fastener, a handle disposed on the shaft, and a tactile feel element disposed on the shaft having an element shape. The element shape has an orientation that is at least substantially the same as an orientation of the interior aperture shape. There is also provided a manufacturing method.

Abstract: A pneumatically operated screw driver ensuring a complete return of a piston to its top dead center. The screw driver has a compressed air return chamber for returning the piston to its top dead center by applying a compressed air in the return chamber to the piston. The piston includes a main piston and an auxiliary piston. The main piston is first reaches its bottom dead center, and then the auxiliary piston reaches its bottom dead center whereupon screw driving is terminated. Before the auxiliary piston reaches its bottom dead center, and after the main piston moves past a predetermined position, a compressed air is introduced into the return chamber. After the main piston reaches the bottom dead center, application of the compressed air pressure in the return chamber to the auxiliary piston is prevented.

Abstract: A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an outer frame of the power tool for supplying a pressure lower than the pressure at the connector to the compressed air chamber. A passage section is provided independently of the pressure reduction valve and communicating the connector with the compressed air chamber. A valve member is disposed at the passage section for selectively applying compressed air from the connector to the compressed air chamber directly through the passage section.

Abstract: An electric screwdriver with automatic screw feeding includes a shaft defining a bit; a body portion, the body portion defining a screw conduit configured to receive the bit; a screw feeder tube; a vacuum coupler, and a screw holding assembly. At least a distal portion of the screw feeder tube between a middle region and distal end may be oriented such that a screw can pass therethrough under a force of gravity. The vacuum coupler may be coupled to the middle region of the screw feeder tube, and may be configured to couple to a vacuum generator. The screw holding assembly may be adjacent the screw conduit and may be configured to receive and hold a screw in a position for engagement by the bit.

Abstract: A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an outer frame of the power tool for supplying a pressure lower than the pressure at the connector to the compressed air chamber. A passage section is provided independently of the pressure reduction valve and communicating the connector with the compressed air chamber. A valve member is disposed at the passage section for selectively applying compressed air from the connector to the compressed air chamber directly through the passage section.

Abstract: A portable hand-held screw driving tool is provided for use with collated strips of screws. A collated strip of screws enters from an upper-rear area of the tool and runs through a pathway or slot in an elongated, movable upper guide mounted at the tool's upper housing, then to a movable slide body having that receives and indexes the collated strip so a screw can be driven by the tool. The upper guide provides containment that prevents the flexible collated strip becoming substantially misaligned while moving through the guide's slot. When the tool is actuated to drive a screw into an object, the sliding guide moves longitudinally along the top of the tool, along with the tool's front-end screw-driving mechanism. Thus the flexible collated strip is always in a relatively fixed orientation as compared to the movable front end portion of the tool.

Abstract: An apparatus (10) for tightening a hexagon head bolt (13) includes a vertically movable automatic robot arm (16), a screwing mechanism (18) having a rotational part (19), a shaft member (20) mounted to the rotational part, a socket portion (21) mounted to the shaft member for receiving therein a head (14) of the bolt, and a retention means (22) for retaining the head received in the socket portion or retaining the head released from the socket portion. When the arm moves vertically with the head received in the socket portion, the rotational part is rotated along with the shaft member and the socket portion to screw the bolt into a threaded aperture (12) of a crankcase (11) of an engine.

Abstract: A portable hand-held screw driving tool is provided for use with collated strips of screws. A collated strip of screws enters from the “bottom” area of the tool and runs through a fixed guide along a front area of the tool's handle, and then to a movable slide body having a rotatable sprocket that receives the collated strip, and indexes the strip so a screw can be driven by the tool. Between the slide body and the fixed guide is a flexible strap with a bracket that places tension on the collated screw strip, which prevents the flexible collated strip from becoming substantially misaligned (e.g., bunching, sagging, or becoming tangled) in the area between the fixed guide and the slide body. The collated strip is kept sufficiently taut, regardless of the orientation of the screw driving tool with respect to the ground.

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: Apparatus for driving fasteners, in particular screws, nails, pop rivets, and staples, is disclosed. It has a motor-drivable feeder that moves the fasteners sequentially from a feed position into a driving position, and with an adjustor has a manually rotatable threader mounted stationary on the feeder. The thread engages interlockingly with the stop member.

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: 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 automatic screwing device, especially a hand screwdriver, consisting of a screwdriver and a collet to hold a secured protruding screw. The screwdriver is coupled to an actuating device so that it can rotate and move forward in relation to the collet. The actuating device has a first threaded element which can be driven rotationally and connected to the screwdriver and at least a second threaded element which is connected to the collet and interacts with the first threaded element. By providing two different thread pitches on the first and/or second element the screwdriver can advance at two different speeds while rotational speed of the first element remains the same.

Abstract: A main valve and a manual operating valve cooperatively control the compressed air supplied to an air motor and a piston. The main valve is responsive to the compressed air supplied from the manual operating valve via an air passage. An orifice is provided in the air passage to reduce the speed of the compressed air supplied to the main valve so that the shift movement of the main valve is delayed when the manual operating valve is closed.

Abstract: A pneumatically operated screw driver includes a mechanism for assisting separation of screw from a screw band. The band is made of a deformable material to which a plurality of screws are detachably held. The band has one side where a head of the screw is exposed, and has another side from which a threaded portion of the screw extends. The screw driver includes a housing, a slide member, a pneumatic motor and a drive bit driven by the pneumatic motor and movable in an axial direction thereof and rotatable about the axis. The slide member is slidable in the axial direction, and is formed with a screw passage. The other side of the screw band is pressed onto a wall of the slide member. Shearing deformation occurs in the screw band when the drive bit presses the head of the screw while the other side of the screw band is held by the wall, thereby separating the screw from the screw band.

Abstract: A screw driving and turning machine comprises: a body having a nose portion; a driving cylinder received in the body; a screw driving mechanism having a driving piston having a driving and turning bit slidably accommodated in the driving cylinder, wherein compressed air is fed into the driving cylinder to drive the driving piston, and a screw held in the nose portion of the body is driven to a state in which a head portion of the screw is raised; a screw turning mechanism having an air motor driven by a portion of compressed air fed to the driving cylinder, for turning the screw, which has been driven by the driving piston; a stop valve for opening and closing an air passage between the driving cylinder and the air motor, arranged in the middle of the air passage; and a contact arm slidably arranged along the nose portion, for operating the stop valve by being pushed to the body in accordance with pressing an end of the contact arm against a material into which the screw is driven, wherein the feed of compres

Abstract: A transporting device for a strip-shaped magazine feeding attachment (3) for screws includes a housing (1) of a screw driving apparatus, a guide element (2) at a front end of the housing and displacable relative to the housing in the screw-setting direction. A stop element (8) and a transporting channel (15) for the magazine feeding attachment (3) for screws extending substantially perpendicularly to the screw-setting direction. The stop element (8) can be displaced relative to the guiding element (2) in the screw-setting direction. The transporting channel (15) extending substantially perpendicularly to the screw-setting direction and being formed by the guiding element (2) and the stop element (8) between which the magazine feeding attachment (3) can be clamped.

Abstract: Screw fastener jaws for the driver head of an automatic screw feeding and driving apparatus are disclosed for driving screws in face frame drilled holes. A tubular mandrel communicates with a screw feeding passage and a screwdriver passage at a first end to feed screws into the channel and then drive the screws. Spring action moves a plate to close off the free end of the channel to capture the screw. The plate is wide enough to engage the workpiece surface on both sides of the slanted hole. As the mandrel is advanced into the slanted hole, the plate is forced away from the end of the mandrel, releasing the screw for driving into the workpiece.

Abstract: A driver bit holding sleeve 6 is disposed in a shooting portion 4 so as to enable it to be rotated together with a driver bit 5 struck by a striking piston 2 while permitting the driver bit 5 to be slidably displaced in the shooting portion 4, and a piston-cylinder mechanism 10 for rotationally driving the holding sleeve 6 is arranged in the vicinity of the shooting portion 4. The piston-cylinder mechanism 10 is operatively associated with the holding sleeve 6 via a converting mechanism 17 for converting reciprocable linear movement of the piston-cylinder mechanism 10 into rotary movement of the holding sleeve 6. Since a striking sleeve 7 is threadably squeezed in a material to be handled after it is struck by a driver bit 5, any type of striking screw 7 having a circular head portion can easily and reliably be struck in the material.

Abstract: A screw gun drive is adapted to adjust itself automatically to the pitch of the threading of the screw being driven. For this purpose a spindle-type spring biassed coupling is provided between the screw driving blade and the drive shaft of the motor. As a result of such a coupling the screw driving blade first begins a rotational movement when the drive motor is switched on, and then it superimposes an automatic axial feed advance which adapts itself to the pitch of the screw being driven. An adjustment member provides for adjusting the spindle coupling to the length of the screws being driven.

Abstract: In a machine for dispensing stackable roofing washers individually and for driving fasteners through such washers, a shuttle is actuatable to displace a lowermost washer of one from a stack, either a small, circular or large, square washer. A gate is biased toward a lowermost position wherein it provides sufficient clearance for the lowermost washer but not any overlying washer to pass beneath it. A pawl mounted pivotally to the gate is biased to a lowermost position wherein the pawl engages a small washer displaced by the shuttle so as to restrain it against backward movement. A stop is adjustable so as to limit movement of a washer of whichever size is being displaced. A measuring bar is mounted via the stop. A screw gun, which provides a primary handle, and a secondary handle are mounted to an upright element so as to be independently adjustable.

Abstract: By advancing a rotatable feed rod (5) with a threaded part (1) such as a bolt or a nut inserted into a socket hole (6) at a front end thereof, the threaded part (1) is supplied and tightened to an object such as a threaded hole or a bolt. In order to prevent the part (1) from dropping off or dislocating on its way of feeding the part (1) is advanced to the vicinity of the object with the part being restrained by, for example, a closure member (31), and then the part (1) is inserted into the socket hole (6) of the feed rod (5). Finally, the feed rod (5) is further advanced until the part (1) arrives at the object and is tightened thereto.

Abstract: An automatic screw-driving device including a sliding box and a sprocket to move a screw belt through the sliding box, the sprocket being locked at one of various positions to keep a screw on the screw belt at a secured position for a driver rotated by an electric motor to fix in something, the sprocket being rotated by a shaft rotated by pulling the sliding box forward and backward forcing an orienting rod to move along in a non-straight groove in the shaft fixed through a side wall of the sliding box contained in a housing so that the shaft is rotated.

Abstract: An apparatus for feeding a plurality of associated screws to an associated power screwdriver having a chuck. The apparatus includes a main body that includes a shaft dimensioned and configured to engage the chuck of the associated power screwdriver. The main body also includes a bit and apparatus for holding the bit and transmitting rotational energy from the shaft to the bit. The apparatus also includes a magazine dimensioned and configured to receive a plurality of associated screws disposed with the respective axes thereof in substantially coplanar relationship. The apparatus also includes apparatus for detachably connecting the magazine to the main body and a pickup assembly including a spring apparatus for gripping associated screws on opposed sides of the associated screws and apparatus for pivoting the spring apparatus between a first position proximate to the magazine and a second position proximate to the bit.

Abstract: An automatic screw driver and a method for controlling the same, characterized by a fluid chamber in which a suction force is developed so as to retain stably a screw at a predetermined position irrespective of kind of material for the screw preparatory to a screwing operation of the driver, and a control circuit including a plurality of timers in order to perform a sequential operation consisting of steps of supplying the screw at the tip end of a bit, perpendicularly retaining the screw there and entering a standby state for the screwing operation, and actuating a driver when the sequential operation is completed, so that the screwing operation is facilitated and stabilized, resulting in a considerable improvement in the efficiency thereof.

Abstract: A power driven electric reversible variable speed screwdriver is provided with a collated screwstrip feeder having a barrel which slides axially with respect to the blade and housing of a power screwdriver gun, is rotatably axially supported on the tool head of the gun in axial alignment with the gun blade, is locked by structure on the housing against rotation on the tool head. The orifice of the barrel is placeable in abutment with a sheet of drywall material to be fastened as the blade and gun housing reciprocates from an extended position relative to the barrel, at which a screw is fed through an opening in the barrel side into the barrel bore, to a retracted position relative to the barrel, at which the tip of the blade extends to an position beyond the barrel orifice to a position determined by rotary adjustment of a link connected to the tool head. The barrel and blade are selectively latchable in the retracted position to permit the screwdriver to be used in uncollated, single screw applications.

Abstract: A fastening apparatus uses fastening members such as screws held on a tape and supplied to the fastening position of a bit. The fastening members are separated from the tape by the bit after the posture of the tape is held in a predetermined state, whereby the fastening apparatus can keep a posture for the fastening operation even after the fastening members are separated from the tape.

Abstract: A nose piece feeder for a power driver in which articles are guided from a feed passage into a discharge passage by a pair of jaws which are movable from a guide position to a driver access position. When the driver is activated to expel an article from the discharge passage, the jaws are moved to the driver access position permitting the driver to pass between them.

Abstract: An installation machine for sequentially driving fasteners through automatically fed plates for securing insulation to a roof deck employs a pneumatically actuated feed mechanism. The plates are loaded in a chute. A shuttle at the underside of the frame reciprocates to feed a plate in position below a power driver for driving the fastener through the fastener plate. The frame includes a pair of wheels for facilitating the movement of the machine across the roof surface. A pneumatic regulator responsive to release of the power driver regulates the timing of the feed mechanism.

Abstract: A tubular arrangement the front end of which defines a fastener outlet is extendably and contractably mounted to a fastener driver body. A drive bit is mounted within the tubular arrangement. A fastener feeder is mounted to the tubular arrangement and contains a pair of fastener guiding plates opposite each other with a predetermined distance sufficient to pass a strapped fastener assembly. One of the fastener guiding plates defines a fastener passage opening for feeding a fastener into the tubular arrangement through a fastener feed hole defined in the side wall of the tubular arrangement. A fastener feed mechanism with a feed roller intermittently engaging and advancing the strap is provided. A fastener separation element of a fastener separation mechanism passes into and out of the fastener passage clearance, presses the fastener and separates it from the strap when the fastener separation element extends out of the fastener passage clearance, to feed the separated fastener into the tubular arrangement.

Abstract: A supplementary device for driving screws by means of a power-driven screw driver having a driver blade or the like and the device comprising a holding member extending parallel to the driver blade, variable in its length and having a lateral extension, and a magazine disc releasably attached to and rotatably supported upon the lateral extension, the magazine disc being adapted to receive a plurality of screws arranged upon a circular locus, the axis of the driver blade substantially extending through a point of the circular locus and the screws being supported upon the disc such that they can be removed from the disc by means of axial pressure applied thereto by means of the driver blade.

Abstract: A robotic die mounting mechanism can be used to apply or remove fasteners to or from aligned locations such as pre-drilled and pre-tapped holes in a cutting die and backing drum for attaching or detaching the die to or from the drum. The mounting mechanism including a fastener supply magazine with a dispensing chute, a robotic arm, a socket on a rotary driver, and an actuator mounting the driver. The magazine holds a supply of the fasteners and its chute dispenses one fastener at a time from the magazine. The robotic arm movable between a fastener pickup position adjacent the magazine chute and a fastener discharge position remote therefrom and above the die and drum receives one fastener at a time from the magazine chute and transfers the fastener from the fastener pickup position to the fastener discharge position. The socket on the rotary driver engages the fastener at the fastener discharge position.

Abstract: A machine that takes screws out of a hopper and delivers them to a screw driving station where they are driven by motor operated screw driver members to secure a hinge to a door and a jamb. Inside the hopper, a screw lifting member engages, lifts, aligns and delivers individual screws to a hopper discharge station. Pressurized air blows the screws from their respective discharge stations onto tracks, there being one track associated with each discharge station. Elongate transfer tubes positioned at the discharge end of the tracks deliver the screws to a movable head member which upon receiving a charge of screw members moves downwardly and inwardly to a fixed position screw driving station where a door and jamb are positioned. Screw driver members are brought into driving relation to associated screws by horizontally inward movement of a motor that rotates the screw driver members.