Abstract: A stapler includes a base with an operation arm pivotally connected to a frame extending from the base. A first magazine and a second magazine which is received in the first magazine are pivotally connected to the frame so that the staples with small size can be received in the second magazine and the staples with large size can be mounted between the two magazines. A staple follower includes an inner portion to push the staples with small size and an outer portion to push the staples with large size. The stapler employs either one of two staples having different sizes.

Abstract: In a roofing washer-dispensing and fastener-driving machine, which has a fastener-feeding tube, a fastener-engaging pawl is mounted operatively to the tube, near its upper end. The pawl is pivotable between a normal position wherein the pawl is arranged to engage a fastener dropped into the tube so as to prevent the fastener from dropping through the tube and a pivoted position wherein the pawl is arranged to disengage from the fastener. An elongate rod is arranged to pivot the pawl from the normal position into the pivoted position when the machine is operated.

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: A stand-up fastener driving tool including a rotary driver having a rotatable shaft with a fastener driving member disposed on a distal end thereof and disposed within telescoping upper and lower tubes, wherein the lower tube has a nose-piece with an opening for retaining a fastener therein. The fastener driving member is extendable toward and away from the nose-piece upon contraction and extension of the lower and upper tubes. A plurality of fasteners are retained side by side in a magazine of the tool, and are individually releasable therefrom upon contraction and extension of the upper and lower tubes. A feed tube connects the magazine to the nose-piece, and includes a magnetized wall portion for capturing and retaining fasteners fed from the magazine.

Abstract: An explosive powder charge operated setting tool including a housing(1), a stud guide(3) projecting beyond the housing(1) in a setting direction and axially displaceable relative to the housing(1), a guide channel(4) extending substantially transverse to a longitudinal extent of the stud guide(3) for receiving a spring-biased, strip-shaped magazine for fastening elements and having side recesses, and a pivotal lever(8) provided on the stud guide(3) and cooperating with the housing(1), the lever(8) being pivotable into a blocking position, in which the lever(8) projects into a clearance cross-sectional surface of the guide channel(4) upon displacement of the stud guide(3) toward the housing(1).

Abstract: An apparatus for delivering fasteners, such as nails, screws and rivets from a supply source to an automatic fastener driver comprises an elongated flexible wire helix whose pitch is such that fasteners can be supported by their heads between adjacent convolutions. One end of the elongated helix is coupled to a vibratory bowl feeder that feeds individual fasteners in a desired order and orientation into a holding station. The opposite end of the wire helix is positioned over an inlet chute leading to a fastener holding chuck and the distal end of the helix is adapted to be driven through 360.degree. by an indexing motor upon each actuation of the fastener driver. In this fashion, for each nail that is dropped from the distal end of the helix into the driver's inlet chute, another nail is picked up at the holding station and advanced in incremental steps along the length of the helix.

Abstract: The indirect-firing apparatus includes a combustion chamber for a cartridge (62), a trigger for igniting the cartridge, a barrel, an inertia block in the barrel, an anchor guide (7) designed to receive an anchor, a shuttle (34) in the anchor guide (7) mounted for movement from an anchor loading position to a position for firing and driving of the anchor, mechanisms (63, 11, 46) for displacement of the shuttle from one position to the other, and a barrel holder (61) for concomitantly controlling the closure of the combustion chamber (3) and means for displacement of the shuttle (34). The mechanisms (63, 11, 46) for displacement of the shuttle (34) are arranged so as to drive the shuttle (34) beyond the firing position (25). Damping components (33, 38), when the shuttle (34) has reached its firing position (25), absorb the action of the displacement mechanisms (63, 11, 46).

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.

Abstract: A Feeder for elongate components, in particular components designed with a head, has a feed tube with an inlet orifice which can be connected to a feed line and an orifice in the top region thereof and a gripper with at least two gripping arms (1) which are provided with a front gripping region (2) and a rear pivot axis region (3).The gripper is arranged in the feed tube which has, in its top region, a lower plane surface and an upper plane surface opposed to it;The gripping arms (1) each have a guide step (6) which preferably tapers and extends from the pivot axis region to the gripping region (2) on a longitudinal end face (5) turned toward the upper plane surface, the guide step (6) serving to guide the head of an elongate component; andThe gripping arms (1) have, in the gripping region (2), a recess (7) adapted to the external shape of the elongate components to be gripped.

Abstract: An automatic grommeting machine for high speed, large volume insertion and setting of eyelets, grommets, etc., and their mating washers, without requiring pre-punching of a hole. Dual cams are connected to a series of linkages which control the movement of a top set, a bottom set and a clamper, as well as controlling the withdrawal and insertion of grommet and washer roadway slides in synchrony with the top and bottom sets. The grommeting machine is fully automatic, i.e., the operator simply inserts a piece of material into the machine and activates the machine by pressing a single pedal to insert and set a grommet or eyelet and its corresponding washer in the material.

Abstract: A fastener feeding apparatus which is adapted for concurrently feeding a plurality of fasteners to respective driving machines, and wherein the fasteners are fed from a vibratory hopper along a single delivery chute to a slide assembly. Upon movement of the slide assembly in a loading direction, the fasteners are loaded into individual slots on the slide assembly, and upon return movement of the slide assembly to a dump position, the loaded fasteners are concurrently released into respective discharge tubes which lead to the fastener driving devices.

Abstract: A driving tool and method for injecting fasteners such as nails, or the like into workpieces such as drywall, ceilings or wood for framing a building. The driving tool includes a piston coupled to a rod that is driven forward to engage a head of a nail within a chamber of a barrel and drive the nail out the tool through a nozzle. The tool has a resilient member that is impacted on one end by a piston engaging with the nail to slow the piston's and rod's forward velocity. The resilient member is attached at its other end to a rigid member which is coupled to an indentor. The rigid member stops the forward velocity of the piston head and piston rod to limit the penetration of the nailhead into the drywall while placing an indention in the wall with an indentor. The nozzle is shaped to contact the shank of the fastener as the nail is driven through the tool's chamber to ensure that the nail is maintained perpendicular to the surface of the drywall as the nail exits the tool.

Abstract: In a fastener-driving tool, such as a powder-actuated tool, a nosepiece has an aperture, through which a fastener can be axially driven. A shuttle has a passageway to receive the fastener, as guided by a flexible tube, in a fastener-receiving position of the shuttle. A shuttle-moving mechanism is used to move the shuttle from the fastener-receiving position into a fastener-delivery position. A driving mechanism enables the fastener to be axially driven from the passageway, through the aperture, in the delivery position of the shuttle. A magnet or a spring, such as a torsional spring having an arm to engage the fastener, is used to retain the fastener in a pre-driving position. As a stand-up tool, the tool has a primary trigger and a secondary trigger, which enables the primary trigger to be remotely actuated.

Abstract: In a fastener-driving tool, such as a powder-actuated tool, a nosepiece has an aperture, through which a fastener can be axially driven. A shuttle has a passageway to receive the fastener, as guided by a flexible tube, in a fastener-receiving position of the shuttle. A shuttle-moving mechanism is used to move the shuttle from the fastener-receiving position into a fastener-delivery position. A driving mechanism enables the fastener to be axially driven from the passageway, through the aperture, in the delivery position of the shuttle. A magnet or a spring, such as a torsional spring having an arm to engage the fastener, is used to retain the fastener in a pre-driving position. As a stand-up tool, the tool has a primary trigger and a secondary trigger, which enables the primary trigger to be remotely actuated.

Abstract: In a fastener-driving tool, such as a powder-actuated tool, a nosepiece has an aperture, through which a fastener can be axially driven. A shuttle has a passageway to receive the fastener, as guided by a flexible tube, in a fastener-receiving position of the shuttle. A shuttle-moving mechanism is used to move the shuttle from the fastener-receiving position into a fastener-delivery position. A driving mechanism enables the fastener to be axially driven from the passageway, through the aperture, in the delivery position of the shuttle. A magnet or a spring, such as a torsional spring having an arm to engage the fastener, is used to retain the fastener in a pre-driving position. As a stand-up tool, the tool has a primary trigger and a secondary trigger, which enables the primary trigger to be remotely actuated.

Abstract: Dowel shooting apparatus comprising a dowel feed component for feeding dowels one at a time from a bulk supply of dowels to a flexible tube that is connected to a dowel shooting gun. The dowel feed component advances dowels in the flexible tube and a receiving unit is provided in the shooting gun for accepting dowels one at a time and positioning the dowels in an ejection chamber in the shooting gun. A striker is provided for ejecting the dowel from the chamber upon activation of the trigger of the shooting gun. A glue system is also provided for injecting or spraying a proper amount of liquid glue into the cavity in which the dowel is to be driven just prior to the ejection of the dowel from the chamber of the dowel gun. The dowel gun further has a nose cone having a positioning lug extending therefrom with the positioning lug being used to align the nose cone with the cavity.

Abstract: A stapling apparatus using continuous staple wire for stapling a set of sheets includes a stapler head having a cover thereto that partially and advantageously defines the stapel wire path therein so as to substantially reduce staple wire jams and misfeeds.

Abstract: A stapler for paper binding utilizes a supporting means to firmly support staples so as to make binding process easy and stable. A stapler of the present invention includes a pressure plate spring received in a pressure bar pivoted to a front-opened cartridge. The pressure plate spring includes a front striking plate and a front bumper to drive a staple for binding papers and to confine such a staple from forward inclination. A supporting wedge is received in the staple cartridge to slide in the front and to firmly support the staple which is driven downward for binding papers. Through the support of the supporting wedge and the front bumper of the striking plate of the pressure plate spring, staple is protected to straightly strike downward for binding papers efficiently.

Abstract: A tool for applying fasteners to a workpiece includes a housing, a fastener driving mechanism for driving a fastener through a driveway, a fastener guide assembly containing the driveway, a fastener magazine for holding and sequentially feeding fasteners to the guide assembly, and an arrangement for properly positioning the driveway relative to the workpiece. The fastener guide assembly includes a head through which the fasteners are driven, and the positioning arrangement includes a pair of opposite beveled surfaces on the sides of the head for longitudinally aligning the driveway relative to the workpiece, and a substantially U-shaped channel in the bottom face of the head for longitudinally aligning the driveway relative to the workpiece.

Abstract: A bracket support assembly connected to the lower end of the head of a staple gun. The support assembly includes a U-shaped plate member having a web portion that functions to longitudinally align the driveway of the gun with a fastener-receiving opening in the mounting bracket and a pair of opposite spaced apart leg portions which function to laterally align the driveway with respect to the fastener-receiving openings of the mounting bracket. A flat support plate extending across the lower end of the U-shaped plate member acts to support the mounting bracket during a fastener driving operation.

Abstract: An automatic setting tool operatively coupled to a standard, rotary-impact drill-hammer for driving the shaped shank of a single piece anchor having an enlarged head into a hole drilled in masonry. The tool includes a rod having a front striker section and a rear holder section, a shoulder being formed at the junction of these sections. The holder section of the rod is adapted either to slip onto a drill bit held in the chuck of the drill-hammer or to be directly gripped by this chuck, whereby the rod, as it is rotated by the drill-hammer, is caused periodically to undergo a forward and a reverse stroke. Telescoped over the striker section and slidable thereon is a locator sleeve that is urged by a helical spring interposed between the shoulder and the sleeve to an initial position at which the sleeve projects beyond the front end of the rod to define therewith a socket for nesting the head of the anchor.

Abstract: An improved nosepiece and nail feeding assembly operable to accommodate different nail packages within a range of nail sizes of 11/2" to 4". The assembly includes structure defining the lower end of the drive track which includes a replaceable annular member at the discharge end made of wear resistant material and a feed tooth of substantial length disposed thereabove when a nail is being driven which closes the adjacent area of communication between the drive track and the nail feed track to avoid jams but is capable of resiliently yielding to avoid damage during inadvertent jams.

Abstract: A fastener conveying apparatus for a fastener assembling machine comprises a chute defining a first passageway for guiding a plurality of fastener members in succession, a guide defining a second passageway joined at one end to a lower end of the first passageway for guiding the fastener members one at a time through the second passageway. A front part of the guide is detachable to open the second passageway along its entire length so that a fastener member jammed in the second passageway can be removed easily by using both hands.

Abstract: A fastener conveying apparatus, for a fastener assembling machine, comprises a chute defining a first passageway for guiding therethrough fastener members in succession, a guide pivotally mounted on a fixed guide holder and defining a second passageway for guiding therethrough one fastener member at a time as it is pushed by a pusher. The guide is pivotally movable downwardly away from the chute.

Abstract: A guiding pocket for driving staples is described, in which a first set of parallel sides helps form the opening for the guiding pockets. These parallel sides are connected to tapered sides, which are in turn connected to a second pair of parallel sides, creating a hexagonal shaped pocket. The resultant pocket configuration possesses self-centering features, which in turn reduces jamming and misformed staples and allows for simpler manufacturing and inspection.

Abstract: A nail and dimpler driving apparatus for a nailing gun is provided having a barrel with a short hardened metal dimpler which slides longitudinally in the end of the barrel and comprises a hardened metal piston having a broadened face at its end extending symmetrically on opposite sides of a metal plunger which extends longitudinally from the lower center of the piston face in alignment with an orifice through the dimpler. The piston reciprocates to impact a shoulder at the inner end of the dimpler. The barrel has a longitudinal rail extending along the top of its bore to maintain the piston and dimpler in angular alignment and to guide nails fed into the bore from an opening located in the side of the barrel between the tip of the retracted plunger and the dimpler shoulder. The rail has a longitudinal groove in its lower edge to aid in guiding the nails and in providing clearance for the residue of web material used to join the nails in flexible collated strips.

Abstract: A hand-held staple driving tool is provided for driving staples near to obstructions, such as walls. The tool has a solenoid, a solenoid plunger and a staple driving knife which is mounted generally parallel to the axis of the solenoid, but outboard of it near the front of the housing. The staple driving knife is connected to the solenoid plunger by means of an overhung transverse drive beam which is connected at its forward end to the upper part of the knife and at its rearward end to the top of the plunger. The tool further has a siamese twin housing which has a live hinge at its front end. The tool has an extended staple driving chute to permit driving staples into small recesses. The tool further has a combination mounting and grounding device using only a single screw.

Abstract: A pneumatically operated fastener driving device having an adjustable staple leg length clinching mechanism and an improved actuating mechanism including a drive piston controlling valve member, a trigger member, an actuating member mounted on the trigger member and a control member.

Abstract: A J-nut, which is a clip having a crown on one side, is inserted into a hole in a portion of an element in a single plane so that portions of the clip are on opposite sides of the portion having the hole with the J-nut having its crown, which may have a greater thickness than the remainder, either above or below the remainder of the J-nut. The J-nut is inserted by a tool having a locator disposed within the hole after the J-nut has been advanced to a position in the tool in which a portion of the J-nut is positioned within a passage within the locator. When the crown is on the bottom of the J-nut, the crown rests within this locator passage. The J-nut is oriented with the crown either up or down even though all the J-nuts are fed from a feeder in the same orientation. The locator is not positioned in the hole in the element until the J-nut is positioned with a portion within the locator passage.

Abstract: Improved nail guide and positioning means for use in pneumatically operated and manually operated nailing machines. The nail guide and positioning means acts to maintain each nail, including the last nail, of a nailing strip used in the machine in proper alignment with the nail driving blade of the machine and a workpiece.

Abstract: A pneumatically operated nailing machine having a reciprocatable blade for driving nails when advanced, and a reciprocatable differential piston unit connected to the blade. The reciprocatable differential piston unit has an upper, small diameter piston and a lower, large diameter piston interconnected by a piston rod. The upper, small diameter piston has valve means for venting any air under pressure therebelow to atmosphere when the blade is advanced by the reciprocatable differential piston. Nail guide and positioning means are provided for the machine for maintaining each nail of a nailing strip in proper alignment with the blade and a workpiece when the blade is advanced. Nail feeder means is provided for the machine for maintaining the nails of a nailing strip in proper alignment as they are sequentially advanced into the nail guide and positioning means.

Abstract: A J-clip is inserted by a tool into a hole in a portion of an element in a single plane or a hole at the intersection of two substantially perpendicular portions of an element so that portions of the clip are on opposite sides of the portion of the element having the hole. The tool has a hook disposed in a hole in the single plane portion when the clip is to be inserted into the hole and guide surfaces engaging the single plane portion cooperating with the hook to orient the tool relative to the single plane portion. The tool has a pair of locater fingers for disposition within the hole at the intersection of the two substantially perpendicular portions of the element when a clip is to be inserted therein and toes engaging the intersection of the two substantially perpendicular portions of the element cooperating with the locater fingers to orient the tool relative to the two substantially perpendicular portions of the element.

Abstract: The prior art discloses a surgical stapler having an anvil surface terminating in a flange, a staple feed track movably containing a plurality of staples and a staple forming track movably containing a forming blade. The improved stapler of this invention discloses the nondistal portion of the feed track being substantially parallel to the forming track. Further, the distal portion of the feed track is in substantial alignment with the distal portion of the forming track. Also the distal ends of the tracks are open in the same direction. Finally, the distal end of the feed track is between the anvil flange and the distal end of the forming track.

Abstract: An apparatus for automatically piercing layers of meat, vegetables and other food products for purposes of manufacturing a plurality of skewers ready for cooking. The apparatus includes a carving basket capable of receiving layers of food products. A plurality of piercing tubes containing skewering spikes are vertically inserted through the carving basket. A carving apparatus is provided which slices the superimposed layers of food products in order to obtain measured pieces of food pierced on the skewering spikes.

Abstract: An apparatus for attaching a pair of fastener elements onto a garment includes a gripping mechanism for temporarily holding one fastener element and for releasing the latter immediately before a reciprocally punch arrives at the predetermined lowermost position in which the one fastener element is clinched to the other fastener element supported on a die with the garment sandwiched between the fastener elements. The apparatus may comprises a guide mechanism including a chute having a guide track for the passage of the one fastener element, and a speed reducing device disposed in the chute for slowing down the movement of the one fastener element prior to the arrival of the latter at a retaining portion of the gripping mechanism. An overturning device may be provided in the chute for turning over the one fastener element as the latter slides along the guide track.

Abstract: The invention refers to a method and apparatus for substantially automatically setting needles of needle boards of machines for the production of textile needle-felt webs, with needles of which the rear shaft end is bent by 90.degree.

Abstract: A staple throat for a stapling machine comprising a one-piece body member having a central longitudinal bore therethrough, and diametrically opposed elongated guide slots in the sides of the bore for receiving and guiding staples and a flat staple driver toward an anvil in the stapling machine.

Abstract: Device in a mechanical nailing apparatus including a nail holder to support and guide a nail into position for nailing by means of a nail driver. The device is especially designed for nails (51) which, after being nailed, has at least one laterally expanded anchoring portion (52). The inner cavity of the nail holder (55, 56) intended to receive the nail defines, along part of the nail (51), a guide seat (53) of non-circular section adapted to co-operate complementarily with a guide portion (52) on the nail (51) such that the nail, as it is carried into position for nailing, is given a definitely fixed angle of orientation about its longitudinal axis relative to the nail holder. By positioning of the nail holder, i.e. the nailing apparatus, into a suitable angle for anisotropic materials, e.g. the fibre direction in wood, an expansion nail may be nailed in the angular position where the nail will reach maximum gripping power.

Abstract: An improved nailing machine including a reciprocatable plunger for sequentially severing and driving nails from a nailing strip, and a reciprocatable piston for advancing and retracting the plunger. The machine includes a unique reciprocatable control valve actuating and nail guide means which serves both to set a control trigger for activating the reciprocatable plunger, and to properly align a nail with a workpiece as the nail is driven into the workpiece, while at the same time maintaining the nailing strip in a fixed position to prevent contact between the driven nail and the next nail to be severed from the nailing strip. The machine further includes a magazine having retractable nailing strip advancing means which positively moves a nailing strip along the runway of the magazine, and which, in its retracted position, enables a nailing strip to be easily and readily inserted into or removed from the magazine of the machine.

Abstract: A compensating nail chuck includes a driving rod (12) having a yieldable force-transmitting member (34) comprised of a belleville-washer spring system which compresses in size in response to a back force on the driving rod created by driving a nail. A main housing (10) of the chuck has freedom of vertical movement on a chuck bar (26) for a distance equal to a tolerance difference to be compensated for.

Abstract: A method and apparatus is provided for aligning and press-fitting connector terminals into a substrate. The terminals are initially supported together by a bandolier strip, and an alignment tool aligns the terminals with apertures in the substrate to which the terminals will be press-fitted. A pressing tool engages the shanks of the terminals to fold the bandolier away from the terminals and thereafter press the terminals into the apertures.

Abstract: Fastening elements, such as bolts, studs or nails, are inserted into a hard receiving material, such as concrete or rock, first, by drilling a blind borehole into the receiving material. The diameter of the borehole is formed so that it is greater than the diameter of the leading end of the fastening element. A setting device containing the fastening element is then aligned with the blind borehole and the fastening element is driven into the receiving material. The fastening element enters the receiving material at the base of the blind borehole. The length of the fastening element inserted into the receiving material is at least half the axial length of the borehole and may have a length considerably greater than the axial length of the borehole.

Abstract: A nozzle assembly for a nail gun includes a nozzle barrel 2 which is frictionally and rotatably coupled to a nozzle holder 10. The nozzle barrel 2 includes a nail guiding portion 4 having formed on it a cut-away part 24 and a flat 26. In operation, the barrel 2 is rotated so that if necessary the part 24 and flat 26 fit over an adjacent nail head or projection.

Abstract: A stapling machine adapted for use with a special configuration of a wire staple comprising a base plate having a wire staple receiving mold or recess in one end portion thereof an upright flanged portions at both sides on the opposite ends thereof; a wire staple holding frame in a cylindrical configuration having a cross-sectional shape conforming to the shape of an ornamental wire staple having a broadened center beam section which is wider than the staple points or legs at both sides thereof, and a leaf spring connected at one end thereof with the wire staple holding frame, and the other end being partially bent in a U-shape to provide a repulsive force and partially formed into a hook-shape; a pressure applying member including at one end portion thereof a wire staple extruding member formed in a fork-shape to freely slide into and out of grooves formed in said wire staple holding frame and a pair of upright flanged portions at both sides of the other end thereof forming a bearing for a shaft so as to be

Abstract: A stick holder is an accessory having an elongated body rectangular in cross-section, and having support brackets at each end including extending arms and transverse legs. The holder body includes transverse passages for receiving and clamping sticks, which are ejected from an adjacent stick box or hopper and urged into food articles or other articles retained in an article holder on the opposite side of the stick holder. To locate the stick holder in desired relation to the stick box, the stick holder and the apparatus have coacting structure to prevent relative movement. Guide blocks are mounted on the sides of the apparatus, adjacent to the ends of the stick box, and coact with the stick holder support brackets to provide a broader support base eliminating rocking movement of the stick holder about a longitudinal axis, to prevent movement of the stick holder away from the stick box, and to locate the stick holder laterally with some precision relative to the stick box.

Abstract: A method of fixing U-section joining clamps, straddling the end of a conveyor band or the like, by means of metal staples or the like inserted through holes provided in both legs thereof, of the kind wherein the ends of the band or the like and the corresponding clamps are placed between a mobile anvil and one or several inserting punches, and wherein the clamps are arranged in such a way that the heads of the fixing staples or the like are placed facing the latter, and wherein the punches are applied against the heads of the staples to insert them into the band and through the holes in the leg of the clamp placed against the anvil.

Abstract: For inserting sticks into wieners or other articles, the apparatus includes: a wiener holder having an array of side-by-side wiener chambers; a stick box including an array of side-by-side feed grooves aligned with the wiener chambers; a push rod assembly including an array of side-by-side push rods for pushing the sticks from the feed grooves into the wiener chambers; and a power mechanism for reciprocating the push rod assembly. The stick box includes means for supporting and guiding respective stacks of sticks for each feed groove. The feed grooves are T-shaped in cross-section having a bar portion for accommodating flat sticks in free sliding relation; and the grooves accommodating push rods having a corresponding T-shaped cross-section for free sliding, reciprocating movement in the feed grooves. The push rods are held in a push bar with a clearance fit for self-guidance through these grooves.

Abstract: A curved pin provided with an enlarged planar solid or open head lying in the plane of the shank of the pin and extending inwardly therefrom together with an apparatus for holding a plurality of such pins and inserting each pin sequentially are provided. The curved pin is particularly useable by one who sews when it is desired to, for example, affix a pattern to a piece of fabric or the like. The pin's curved shape facilitates its insertion and positioning with less difficulty and more accuracy than the well known straight or "common" pin. The inserting apparatus holds a number of pins in a magazine and allows for their individual insertion by means of a rotatable, generally arcuate shaped plunger which moves each pin along an arcuate path and inserts it into the fabric at an acute angle to the fabric.