Abstract: A primer pocket swager is provided. The primer pocket swager includes a base removably coupled to a press. It further includes a swage pin removably coupled to the base, wherein the base includes a first support surface and a second support surface, wherein the first support surface contacts a first corresponding surface of the press and the second support surface contracts a second corresponding surface of the press. The first support surface is located on a different and substantially parallel plane than the second support surface.
Abstract: A primer installation device provides consistent placement of a primer in an ammunition shell. The device includes a ram rod coupled to and positioned in a housing. An elevator is coupled to the housing. A position of the elevator is adjustable relative to the housing. The elevator is structured to comprise a conduit. A shell holder is coupled to the elevator. A loading pin is operationally coupled to the ram rod wherein operation of the ram rod extends the loading pin through the conduit in the elevator and through the shell holder such that the loading pin is configured for installing a primer into a shell positioned in the shell holder. Full extension of the loading pin is determined by physical obstruction of operation of the ram rod.
Abstract: Firearm cartridge primer removal tools include a base configured to support a plurality of spent firearm cartridge casings, and a plurality of primer removal pins supported relative to the base and configured to be operatively translated toward and into engagement with, and to remove, primers from spent firearm cartridge casings supported by the base.
Abstract: A system for reloading a cartridge including seating a primer in the cartridge for use in a predetermined firing chamber includes at least one reloading die and reloading shim adapted to selectively insert into the chamber. A desired seating depth is determined and an offset factor is determined using a primer pocket depth, a primer height, and the seating depth. This calculated dimension is transferred to a primer-seating press. The primer-seating press includes an arm hingeably configured to operate in a first position, a second position, and a third position; a cross pin configures on the press horizontally and selectively slides from a retracted position to an extended position and an adjustable stop disposed on the arm. The stop is pre-set to using the calculated dimension to limit travel of the arm by cooperating with the cross pin. The seating press includes a vertically arranged piston operated by the arm.
Abstract: Ammunition reloading apparatus includes a shell case support for holding a shell case, a container spaced above the support for holding shell loading material to be placed in a shell case during reloading, and an elongate charge bar underlying the container having a charge opening therein. The bar is mounted for movement between a first position in which the opening underlies the container to receive a charge of material and a second position where the material may be released to an underlying shell case. Control mechanism is operable to sense the presence or absence of the shell case on the support when the charge bar is in its second position. The control mechanism prohibits release of material from the charge opening when a shell case is absent and permits release of material to be dispensed to the shell case when a shell case is present.
Abstract: A cartridge case former and method includes a front arbor plate, a rear arbor plate and a plurality of arbors extending between the front arbor plate and the rear arbor plate. The cartridge case former also includes a plurality of rotatable roller dies disposed about the arbors for forming a neck of a cartridge case.
Abstract: A case trimming apparatus is provided having a hollow, longitudinally extending housing which is open at both ends, receiving and securing a cutting tool at one end and enclosing the cutting edge of that tool while rotatably receiving the open end of a case at its other end and retaining the case in alignment with the cutting edge. The end of the housing which receives the open end of the case includes a ledge to engage the shoulder of the case rather than engage the case by its diameter. The ledge can be removably mounted in the housing. The housing includes a chamber for retaining shavings and may include an opening from that chamber to remove shavings during trimming. Manual actuation is accomplished by rotation of the case relative to the housing while applying pressure to the case toward the cutting edge. An adapter is provided for connecting the housing to a standard power tool, such as a conventional electric hand drill, in order to provide an alternative rotary power source.
Abstract: A holder for feeding components, such as primers or bullets, into a reloading machine is disclosed. The component holder is an elongate strip having notched longitudinal margins for indexing the strip as it progresses through the reloading machine. The strip includes a plurality of receptacles for holding components. Each receptacle has an inner surface that is a combination of a cylindrical portion, a prismatical portion, and a transition portion which cooperate to allow easy loading of the component into the strip and which firmly holds the component in place. The holder also includes an engagement portion so that successive holders may be ganged together to provide a continuous component holder for continuous reloading operations. A tape is applied to at least one side of the holder to cover the component held therein.
April 2, 1997
Date of Patent:
June 16, 1998
Eugene F. Bill, Fred B. Blodgett, Arthur F. Peters, Kurt Ranft, Lester V. Rodrigues, Ronald L. Smith, Donald A. Zuck
Abstract: A device for loading a primer from a priming station into a primer socket of an ammunition cartridge case, includes an elongated track for longitudinally guiding a rectilinear primer strip through the priming station. The primer strip includes a series of longitudinally aligned receptacles, each of which holds a primer in an interference fit that prevents dislodgement of the primer from the strip. Each primer strip also has a plurality of laterally extending castellations or teeth that slide on a ledge over the track, and a reciprocating advancing member on the track has arms that interdigitate with the teeth to move the primer strip forward through the priming station as the advancing member moves in an advancing direction. A detent interdigitates with the teeth to hold the primer strip with a target receptacle in a target position adjacent the primer socket of the cartridge case, while a reciprocating punch pin transfers the primer from the target receptacle to the primer socket.
September 16, 1996
Date of Patent:
December 2, 1997
Fred B. Blodgett, Jerry D. Brand, Donald F. Legg, Jr., Arthur F. Peters, Lester V. Rodriques, Steven R. Shields
Abstract: A primer pocket reamer for cartridge cases makes three distinct cuts for removing stake rings, chamfering the outer edge of a primer pocket and endmilling the bottom in a single process. This is accomplished by a cutter with three different rotating cutting edges. The cartridge case is brought to the cutter.
Abstract: Disclosed is a machine for re-sizing spent ammunition cartridges, such as spent brass cartridges for hand guns. A pair of forming rails which move with respect to one another to roll the cartridge between the rails in order to restore the cartridge to the original cylindrical specifications. The forming surface of one of the forming rails includes an inclined step which lengthens the cartridge as the bulge is rolled out of the cartridge neck.
Abstract: An apparatus for displaying video information includes a video display screen, a screen buffer, a frame buffer, and a video image data assembly module. The module assembles data from linked lists of screen objects, segment objects and field objects which identify images stored in the frame buffer into video image data to store in the screen buffer to be displayed on said screen. Data elements in the lists are linked in a hierarchical arrangement of most-significant to least-significant data elements, with significance denoted by the usual size of the data element as displayed on said screen, so that selecting data from an upper one of the members of a hierarchical list thereby selects data from a lower member by virtue of the linking of the lower member to the upper member.
Abstract: The present invention is an assembly/positioning system and method of use for application in the insertion or placement of tolerance dimensioned first process elements in tolerance dimensioned holes in or with respect to surfaces of second process elements. The system safely, precisely, repeatably and consistently compensates for tolerances in dimensions of process elements assembled therein, and for internal assembly/positioning system element tolerances which result from system stresses or temperature effects etc. during use. The assembly/positioning system also allows positioning process elements for processing and can include process element processing means internally. The assembly/positioning system utilizes mechanical or hydraulic toggle, insertion and tolerance compensation means in conjunction with mechanical transfer means to allow use with any combination of relatively large toleranced process elements.
Abstract: A multifunctional cartridge case processing apparatus for use in the handloading/reloading of ammunition. The apparatus resizing the cartridge case, trims the case to its precise standard length, decaps the cartridge case primer pocket, and evacuates the cartridge case trimmings. The apparatus can adapt to a variety of specific cartridge calibers with the proper selection of sizing ring, guide member and cutter height setting. The apparatus can be used as and integral part of a progressive handloading/reloading press or on a conventional single-stage press.
Abstract: A die for performing multiple operations on a cartridge case in a single operative stroke of a reloading press. The die will uniformly coat the exterior of the case with lubricant, eject the spent primer, resize the exterior of the case, wipe and lightly lubricate the neck interior and resize the neck interior in one operation. The die has an insert that is replaceable and interchangeable with another to accommodate different calibers. A reservoir supplies and uniformly distributes lubricant to a lubricating pad in the entry of the die.
Abstract: A controlled depth primer seating tool and method for use thereof in firearm cartridge loading and reloading operations, which enables the accurate measured depth of seating of a primer within the primer pocket of a center fire cartridge case by accommodating both cartridge case plus primer variations so that the measured depth of primer seating provides for a slight pre-load compression of the anvil head of the primer against the explosive compound contained therein whereby firing pin impact energy is thus optimally expended in effecting consistency of primer ignition with a corresponding enhancement of consistent ballistic characteristics from cartridge-to-cartridge and consequent accuracy from round-to-round.
Abstract: An apparatus for processing cartridge cases, particularly for distinguishing between different fuzing systems of cartridge cases for center fire cartridges, comprises sensing means, which are reciprocable along the longitudinal center line of the cartridge case from and to a predetermined initial position, and means which oppose a displacement of the sensing means from the initial position. Means may be provided for indicating a displacement of the sensing means from their initial position. The apparatus may constitute a cartridge case processing tool for use in a machine for loading cartridge cases for center fire cartridges or may be integrated in the sizing die of such machine. The sensing means may comprise mechanical sensing means or an optical sensor, which is adapted to be inserted into the cartridge case and is opertively connected to an indicator.
Abstract: A die used in a reloading press for reloading spent cartridges. The wall of the die is provided with a reservoir for liquid lubricant. A lubricating pad is provided inside the die mouth and lubricant from the reservoir is channeled to the pad. A primary reloading die feature is provided for the die, e.g. a primer removing rod, and as a cartridge is forced into the die for removal of the primer, it is additionally lubricated ready for resizing.
Abstract: A shotshell die set to facilitate reloading shotgun shells when using a commercially available press. The shotshell die set includes a depriming pin and shell holder adaptor for supporting the spent shell casing in a position to remove the spent primer from the sheel casing by using the depriming pin in association with the press. A priming pin and another shell holder adaptor are utilized with the spent shell casing in order to insert a new primer in the shell casing. A sizing and crimping die together with an additional shell holder adaptor and crimping plug are utilized to enable complete reloading and reshaping of the shell by using existing devices so the shell is then ready for use in a firearm in a conventional manner.
Abstract: An ammunition reloading die having a generally cylindrical axially bored body and an external thread for mounting it in a reloading press. In one embodiment, a case sizer element is threaded onto and is removable from the nominally lower end of the die body into which cases are pressed for sizing the outer diameter. A stepped mandrel is insertable in the die body. It has a decapping pin extending from its nominally lower end. A bullet seating plug is screwed into the upper end of a body's bore for backing up the mandrel when a case is being pressed onto the mandrel to expand and flare the mouth end of the case and to expel the spent primer from the case. A new primer is installed and the case is charged with powder and a bullet is set in the mouth after which the case is pressed into the die body while the mandrel is removed but the bullet seating plug is installed in the die body in which case pressing the case into the die body seats the bullet and crimps the case in the bullet.
Abstract: A handloader tool for use in the fabrication of cartridge shells. The tool accomplishes uniform flash hole sizing. The tool includes a depth gage section which results in a cutting tool being inserted to a constant uniform depth into the cartridge flash hole. The cutting tool has an angled upper portion to provide a uniform chamfer of, for example, 60 degrees at the flash hole exit area.The overall tool assembly further includes a slidable centering cone to provide means wherein the cutting tool is always inserted at a desired straight angle into the flash hole area.The invention further includes a method of flash hole uniforming using the described handloader tool.
Abstract: To permit automatic ejection of shells in a progressive shell loader, a cam is mounted near the turret holding the shells. As the carriage is raised and lowered, two pawls and an index wheel turn it so that the shells advance toward a final station. Immediately prior to the final station, the cam engages a spring-biased lever to cause it to eject the reloaded shell. The pawls engage camming surfaces formed on the bottom of a single-piece index wheel to turn it.
June 8, 1987
Date of Patent:
August 30, 1988
Hornady Manufacturing Company
Donald M. David, Melvin R. Holmes, Larry E. Hoback, Ronnie L. Reiber
Abstract: A primer pocket swaging device for use in cartridge reloading equipment, which is characterized by a cylindrically-shaped collet cover having a hollow, threaded interior for receiving a threaded nipple to enclose an expandable collet. The collet includes four shaped collet segments fitted together in expandable relationship by means of an O-ring and one end of a punch rod projects through the collet and the opposite end seats on the plunger of the reloading equipment by operation of a rod lock nut and an adaptor. The upper end of the collet cover is bevelled and fitted with an opening to receive the base end of an empty shell casing, wherein the base of the shell casing is inserted in the opening and is momentarily seated and held in the collet, while the punch rod extends upwardly and swages the empty primer pocket in the casing base responsive to operation of the reloading apparatus.
Abstract: A cylindrical mandrel is inserted through the neck of an ammunition case coaxially with the body of the case after which a collet is driven axially onto the neck to form the inside diameter of the neck to the outside diameter of the mandrel without changing the diameter of the case body. In another embodiment an annular bushing of elastomeric material is confined in a space around the neck and the bushing is compressed axially to cause it to bulge radially inwardly so as to apply a force for forming the neck to the mandrel.
Abstract: A combination ammunition re-loading die having an elongated housing. The housing is externally threaded at both ends to enable entry of either end into the die holder of a reloading press. An expander post is integrally formed at one end of the housing. The other end is provided with a cartridge receiving end opening. A threaded opening in the post receives a threaded shaft projected through to the cartridge receiving end opening. The projected end of the shaft carries a re-loading member, e.g. a bullet seating plug or de-priming pin. The shaft is adjustable within the post opening to adjust the position of the member. The housing can be inserted in the die holder to first present the expander post to the cartridge, and then inverted to present the bullet seating plug or de-priming pin.
Abstract: An improved shell reloading machine incorporating in addition to the essential features of utility convenience and low cost, an effective means for the prevention of primer cap detonation which might otherwise occur due to improper alignment of the primer feed mechanism.
Abstract: In order to increase the efficiency and reliablility of shotgun shell reloader apparatus of the type in which an empty shell is entered and removed at a single entrance/exit station and the shell is transferred in a circular path from station to station at which the several reloading operations are performed sequentially, an accessory ejection spring is employed to automatically eject a completed shell as it enters the entrance/exit station (thus eliminating the necessity for manually handling a completed shell at the entrance/exit station) and a spring pad including a magnetic member is employed at the priming station to positively receive and emplace a new primer just prior to the repriming operation (thus eliminating instances of incorrect orientation of the new primer with respect to the deprimed shell into which it is to be seated during the priming operation).
Abstract: An apparatus for resizing rifle cartridge cases comprising the die fixedly positioned with respect to a frame and a ram operated by a lever mechanism adapted to raise a case into a resizing cavity within the die. A punch is loosely supported in the die and includes an extractor pin at one end for removing the primer from the head of the rifle case. The die is covered by a head cap including a threaded stem adapted to abut against the punch. The head cap includes a lateral flange adapted to be engaged by levers for forcing the punch against the head of the case when the case is to be removed from the die. The punch also includes an expansion sleeve for resizing the neck of the cartridge as the case is extracted from the die and an expanded end of the punch loosely suspends the punch within the die when the case has been removed.
Abstract: The present invention defines a precision primer-reloading assembly to be mounted in and operated by a suitable cartridge-reloading press. The assembly includes a tubular support-body member having a ram rod mounted therein so as to be positioned within the cartridge case at the time the primer is loaded. The support-body member is mounted to the reloading press above and in alignment with a primer-guide assembly which is mounted to the press ram of the reloading press. The guide assembly includes a guide base having a primer-guide pin. A coil spring is positioned on the guide base so as to engage the guide housing that is slidably mounted over the guide base, the guide housing being formed with a closed end having a centrally positioned recess. This recess is provided to support and align the cartridge case with the ram rod, whereby the primer can be loaded in the primer pocket of the case by means of the primer pin as the ram rod is activated.
Abstract: A decapping tool includes a pair of holders, one providing a conical seat for the cartridge head, and the second providing a conical center for the cartridge mouth. The holders are spring urged towards each other whereby the cartridge is held and centered irrespective (within limits) of its length or caliber. A punch rod extends through the center, into the cartridge to the region of the primer cap at the flash hole. An anvil attached to the rear end of the punch rod is engaged by a crank.
Abstract: A body having an axial bore is fixed in an ammunition cartridge reloading press which has an actuated ram. The bore contains a punch that is retracted by a spring away from a cartridge that is mounted in a holder and is to have a primer inserted. An open trough conducts primers in a row from a storage tray to a chamber at the upper end of the punch. A pin on the ram of the press drives the punch for it to press a primer into the cartridge in opposition to the spring. The terminal end of the trough is cylindrical and fits into the body's axial bore to allow the trough to pivot and advance primers by vibration. The terminal end has a hexagon bore to provide clearance for the round punch that passes through it so stray propellant dust can sift away safely. In one embodiment a rod extends laterally from the trough and rubs on the press frame during a ram stroke to thereby flex and vibrate the trough and tray to induce advancement of the primers.
Abstract: A decapping tool applicable to Berdan style cartridges operative to hydraulically eject primer caps from spent cartridge cases and useful with standard shooter's reloading presses to communicate pressurized fluid via a necked tool sealingly contacting spent cases at the inner surface around the primer cap recess to communicate thereto impulsive fluid pressures generated by a struck piston at a remote end of said tool.
Abstract: To enable a shell to be automatically primed during operation of a loader, the primers are mounted within a chute to fall by gravity to an opening where a lever is pivoted by a cam as the shell carriage of the loader moves in a vertical direction within the frame of the loader. The motion of the lever moves one of the primers from the chute into position underneath the shell carriage for insertion into the shell casing as the carriage moves downward against the base of the loader frame. The lever arm is spring-biased into position underneath the rim of the holder and contacts a cam mounted to move up and down with the carriage upon the actuating of the loader handle by an operator. The shell is deprived during the upward movement of the carriage and the downward movement.
Abstract: A semi-automatic cartridge reloading machine of the type including a lower travelling platen with a rotatable support for sequentially positioning a plurality of cartridges in each of a series of operating stations and including an upper stationary platen with a plurality of tools or dies depending or extending downwardly and spaced circumferentially about the upper stationary platen and centered over the rotatable support defining a plurality of operating stations is provided with mechanisms for automatically rotating the support to reposition the cartridges in subsequent operating stations at the completion of each reloading step or operation, automatically centering cartridges and removing spent primers from cartridges, automatically belling and admitting powder into cartridges, automatically introducing and inserting new primers into cartridges, automatically introducing and inserting bullets into cartridges, and automatically crimping and seating bullets into cartridges simultaneously and in conjunction
Abstract: An automatic shell reloader of the type having a fixed platen and a die platen, the die platen having a plurality of dies for performing the reload function and being moveable toward and away from the fixed platen to reload a shell case, the improvements comprising a guard carried by a primer cap slide assembly mounted on the fixed platen to block the force of a detonated primer cap from reaching the die platen, and a primer cap storage assembly mounted on the die platen, the storage assembly including a storage tube having a number of spring biased fingers at the lower end for retaining primer caps in the tube and a cam mounted on the fixed platen in a position to engage the fingers to release one primer cap at a time from the tube.
Abstract: The present invention relates to a cartridge primer seating tool which combines a seating tool with a primer feed system and includes a housing provided with a shell holder, in combination with primer stem for loading a primer into a shell and a primer dispenser for placing a primer in the primer stem communicating with a cam drive mounted in the housing.
Abstract: A cartridge reloader having a base. A turret ring mounted to and above the base. A turret having a radially extending flange or rim, the turret being rotatable in the ring for positioning dies that act on a cartridge to be reloaded. Radially inwardly extending lugs on the wall of the ring surrounding a large bore therein. Radially outwardly extending lugs on the turret which interlock with the lugs on the ring while at the same time the turret flange is bearing over its area on the margin of the ring surrounding the large hole. An axially slotted ram having a cartridge holder. A T-shaped priming arm having multiple primer holders. The priming arm nesting in and pivotal in a V-shaped socket in the base. A box having inserts for mounting the reloader base on it.
Abstract: An ammunition casing reloader die set. The sizer and decapping die employs a decapping rod that is frictionally held in the die body with a collet so it can yield without damage. The decapping pin is press fitted in the rod. The bullet seater die is provided with a capped adjusting screw in which the bullet seater element floats so it adjusts itself into alignment when a bullet on a casing is rammed into it.
Abstract: A reloader for a shotgun primer housing, comprising anvil means mounted on a platform for supporting the primer housing in either an upright position for removing the primer from the housing or in an inverted position for inserting a new primer into the housing. A punch is provided having an elongated tip portion which is capable of entering an aperture in the primer housing when it is in the inverted position for removing the primer from the housing and a ram is provided having a flat pressing surface for forcing a new primer into the housing through the upwardly-facing open bottom of the primer housing when the housing is supported on the anvil means in the inverted position.
Abstract: A lost motion connection structure is provided between an oscillatable reloading press handle and the oscillatable primer arm of the press and is operative to automatically swing the primer arm of the press between primer pickup and primer positioning positions during oscillation of the press handle to reciprocally shift the shell holder of the press between the die sizing and primer press positions thereof. The lost motion connection structure is fully adjustable whereby the position of the primer arm in the primer pickup position thereof may be adjusted according to the positioning of an associated primer tube and includes lost motion structure whereby the primer arm may be swung to the primer positioning position during initial movement of the shell holder from the die sizing position toward the primer press position.
Abstract: An apparatus for reloading spent ammunition shells includes a plurality of tools supported on a shaft above an elevatable carriage which define a plurality of reloading stations spaced circumferentially about the shaft, one of the stations having a priming tool and a power recharging tool, and a shell holder plate supported on the carriage for coincident vertical movement therewith and adapted for rotation about the shaft and to receive a plurality of separate spent ammunition shells and to position these shells simultaneously and sequentially in different reloading stations.
Abstract: A reloading apparatus removes used primer caps and inserts new primer caps into the base of casings substantially automatically. The apparatus includes a ram for holding a casing and for moving the casing relative to a reconditioning means for reconfiguring the casing to a desired, predetermined configuration. The ram carries a primer arm movable automatically between a first, non-priming position during the time the casing is being deprimed and a second, priming position after the casing has been deprimed. The ram is provided with a longitudinally extending slot having a pivot pin. The primer arm includes a first member disposed within the slot and releasably connected to the pivot pin. The primer arm includes a second member extending outwardly of the slot and engageable with a stationary portion of the reloader. A primer cap holder is located at the intersection of the first and second members.
Abstract: This invention relates to some unique mechanical devices, which, when attached in natural sequence to a shotshell reloading press, allows faster, smoother and more compatable performance of said press.Specific devices which are included are, (1) a device designed for more positive reciprocation of a carrying ram, which, when actuated, meters and carries, "either wads of primers to their destination for instillation in a spent shotshell casing". (2) Another unique mechanical device is a miniature leverage system which feeds empty shell casings into the holding slots of the index carrier plate by means of a coordinated swivel mounted lever which forces said casings into holding slots of said carrier index plate upon the acuation of said press. (3) To conclude the unique devices of this application is a holding tray for new primers.
Abstract: An automatically-ejecting shell reloading device is provided for handling spent firearm cartridge shells. The apparatus may include a die assembly mounted to receive an upwardly thrust shell. A cylindrical ram element having an upper C-shaped retainer is adapted to receive and hold a vertically-aligned shell, and the device has means for moving the ram element into an upper position, an intermediate shell-receiving position, and a lower shell-ejecting position. An ejection spring is deflected outwardly by the ram element in the intermediate position and is urged against the shell in the lower position to eject the shell laterally from the ram element. In a preferred embodiment, ejection is achieved after resizing by a leaf ejection spring mounted for lateral deflecting movement by the ram element. The device is useful for handling cartridge cases during swaging, depriming, and priming operations.
Abstract: This invention, relating to the art of resizing and decapping fired cartridge cases, comprises a novel method of and apparatus for automatically and safely resizing spent cartridge cases having primer caps, including means for automatically resizing the cases and clearing the case of the spent primer therein, in a highly efficient, automatic procedure, uniformly restoring cartridge cases for reuse. Pursuant to the invention means are provided which automatically orient the fired cases and feed them to a case receiving station from which they are sequentially advanced to a registration station, where swaging or sizing of the outside dimensions of the case to their original dimensions is effectuated and the case is decapped and reclaimed for reuse; the so resized and decapped case is displaced from the apparatus simultaneously automatically on positioning the next case at the registration station for repetition of the procedure.
Abstract: In a shell loading device, a sizing station is provided wherein a sizing ring is forced onto the head of a shell while depriming. A second station is provided for priming the shell. The priming post at the second station is provided with a freely exposed top face and a central vertical bore through which the primer may be manually dropped onto a support surface. The priming post is vertically movable to force the shell onto the primer. The primer support surface is surrounded by a well having an upwardly extending wall. The upper end of the wall is such that when the priming post forces the shell into the well, the wall end engages and strips the sizing ring from the head of the shell.
Abstract: An improved shell reloading machine in which a swinging toggle linkage positioned below the tool head and shell carriage permits the incorporation of a swaging operation for the preparation of the primer cavity and the addition of an indexing mechanism for the automatic advance of the shell plate.
Abstract: A manually operable, bench mounted press used to resize the brass on shotgun and small arms ammunition prior to reloading. The shell casing resizer comprises a lever-operated ram which acts simultaneously on a pair of complementary resizing dies and ejector assemblies so as to resize one shell while another is being ejected. The resizing dies are formed at opposite ends of a rotating tubular member within which are also positioned the complementary ejector assemblies. An indexing cam is mounted to the outside of the tubular member so as to pivot therewith between the free ends of a pair of support arms of the press. The substantially simultaneous resizing and ejection actions are both the result of a single downward movement of the lever, and return of the lever to its initial position permits manual indexing of the tubular member until the next shell is aligned for the next resizing/ejection stroke.
Abstract: For resizing an ammunition cartridge casing, an expandable and contractible collet is surrounded by an axially movable internally tapered sleeve. An axially movable headed shaft for supporting a cartridge casing from its flanged end is in the collet. Shifting the sleeve in one direction opens the collet and simultaneous retraction of the shaft lets the cartridge casing drop into the collet. Shifting the sleeve in the opposite direction causes the collet to contract and resize the cylindrical casing and its flange. Returning the sleeve to its initial position allows the collet to expand and simultaneous elevation of the shaft lifts the resized casing up to the top of a work table in position to be removed by hand or to be moved to a new work station for performance of other steps connected with cartridge reloading if the resizer is built into a reloading device.
May 11, 1977
Date of Patent:
January 9, 1979
Mayville Engineering Company, Inc.
Theodore J. Bachhuber, Philip C. Bachhuber