Abstract: This invention is a inexpensive light weight portable compound bow press that is safer and easier to use. A bow press with a greater mechanical advantage, to be used in the complete maintenance of high powered compound bows having either two piece limbs or one piece limbs. This invention consists of a first and second extending member. Each extending member engages and cooperates with the outer most portion of one of the bow's limbs. Each extending member extends over and away from the outer ends of the bow's limbs. The first end of a liner adjusting device is adjustably connected to the first extending member at a central position near the outer edge of the first extending member. The second end of the adjusting apparatus is adjustably connected to the second extending member at a central position near the outer edge of the second extending member. This arrangement positions the adjusting apparatus outside of and away from, the compound bow, allowing for safer and easier use.

Abstract: The invention provides a bow press, for use with a bow comprising a pair of resilient limbs extending outwardly in opposite directions from a central handle portion, the limbs each having an outer end. The bow press comprises first and second pulling members, a coupler, and first and second limb connectors. Each pulling member has a first end and a second end, with a threaded portion at the first end. The coupler is configured to threadedly engage the threaded portions of first and second pulling members. The first and second limb connectors are attached to the second end of the first and second pulling members, respectively, and are configured to engage the outer ends of the limbs.

Abstract: A bow sight that facilitates the accurate alignment of an arrow with respect to a target is described. The bow sight of the present invention includes an adjustment member that adjusts an aiming point in controlled, finite, repeatable, increments in both the horizontal and vertical plane relative to a fixed point on the bow. The adjustment member is separable from the frame of the bow sight without affecting the position of the aiming point on the bow sight.

Abstract: An archery bowstring release assembly is provided with a flexible and infinitely adjustable connection between the bowstring release and the pull ring. A ring with a slot through the solid portion is attached to a wrist strap. The slot is threaded with a web material or cord; both ends are passed either through or against the ring and either clamped together or clamped against the ring. The clamp is positioned on the loop of material or cord so that the loop may be shortened or lengthened to adjust the distance from the wrist strap to the release.

Abstract: The invention is a broadhead arrowhead. The broadhead arrowhead includes a ferrule, one end portion of which is tapered to a substantial point. One or more blade assemblies extend outwardly from the ferrule. Each blade assembly has a first substantially planar main surface portion disposed in a plane at least substantially parallel to a longitudinal axis of the ferrule and a second surface portion having a planar region offset at an angle to the plane of the main surface portion. A generally continuously curved region is disposed between and connecting the first and second portions, such that the blade assembly has an airfoil-type shape. Only the first planar portion of the blade assembly is coupled to the ferrule thereby allowing the second portion to flex during penetration of a target and achieve greater penetration depth.

Abstract: A spiral mass launcher is disclosed. The spiral mass launcher includes provisions that permit greater packing density and permit better support of a track. Some of these provisions include the use of specially designed angled swing arms. The spiral mass launcher also includes provisions to assist the spiral in achieving faster gyration speeds. Some of these provisions include improved arm designs and vacuum enclosures. A feed mechanism for a spiral mass launcher is also disclosed.

Abstract: In an athletic ball server, a collapsible tripod supports an elongated inclined tray containing a linear array of balls. A gate at the low end of the tray cyclically releases balls one at a time from the array to gravity. One edge of a trampoline is pivoted on the tripod. The central portion of the trampoline is aligned to bounce a ball released from the tray. An eye-bolt is connected between the tripod and the trampoline allowing the angular position of the trampoline to be varied. By adjusting the eye-bolt, it is possible to achieve any desired trajectory of the bounced ball from a pop-up or slow pitch trajectory to a ground ball trajectory.

Abstract: Pitching apparatus delivers a sequence of different kinds of pitches to a batter and prevents a batter from ascertaining from the position of the pitching apparatus the kind of pitch which the apparatus will deliver.

Abstract: Pitching apparatus delivers a sequence of different kinds of pitches to a batter and prevents a batter from ascertaining from the position of the pitching apparatus the kind of pitch which the apparatus will deliver.

Abstract: The present invention is a method for training a player of a game in which an object is projected towards the player at a normal velocity range. Depending on the application of the training method, the normal range of velocity for the projected object in the game is determined. An apparatus is provided for projecting the object at a velocity greater than the normal velocity range. The object is projected towards the player at the velocity greater than the normal velocity range. This routine is repeated to improve ocular conditioning and physical objects of the game.

Abstract: A bow press for use in stringing or repairing bows, including compound bows, has a riser operated by a winch mechanism. The bow press includes a riser bar for supporting an inclined riser beam having spaced apertures for positioning two handle rollers thereon. Left and right inclined spacer bars each support a limb roller thereon. Each of the handle rollers and limb rollers includes an axle, and two spaced portions defining an inclined groove therebetween. The inclined groove receives a portion of a bow to support the bow during stringing or re-stringing operations. The riser bar is adjustably movable upwards and downwards by operation of a winch. The base member adjustably supports left and right spacer bars. The left and right spacer bars are adjusted along the base member, and secured in position by respective tensioning members. The base member is a table or other support surface. Alternately, the base member is attached to upstanding leg members, which support the bow press upon the floor.

Abstract: A bow tuning apparatus with a nock travel indicator includes a mounting platform for mounting a compound bow having cam wheels, the mounting platform having first and second deflection measuring gauges on respective first and second sides, to contact the cam wheels for measuring bow deflection as the bow is drawn. An outer frame is mounted to the mounting platform, the outer frame including indicia for measuring bow string travel distance. An inner frame is slidably received in the outer frame, the inner frame having a bow press with rollers to deflect the bow limbs as the inner frame is retracted into the outer frame. A first winch, having a strain gauge, is used to draw the bowstring. A marking pen may be secured to the bowstring, to mark a surface as the bowstring is drawn. A second winch is used to retract the inner frame into the outer frame, to slacken the bowstring.

Abstract: A support device for attaching a trap shooter to a vehicle, particularly a pick-up truck in, which a frame is affixed to a conventional square receiver located below the bumper on the pick-up truck, the frame projecting away from the truck and upwardly, and terminating in a platform upon which the trap shooter is located. The platform is capable of rotation and its spacing from the tailgate can be controlled to allow easy access by an operator for easy loading of disks carried on the pick-up truck body.

Abstract: Light emitting rigid fracturable projectile-type marking ammunition and reusable resilient projectile-type ammunition are provided, along with kits of the ammunition with an exciter and optionally a paintball gun. The ammunition is a phosphorescent ball in the form of a spherical pellet or capsule that includes non-phosphorescent impact diffusing materials intimately admixed with phosphorescent materials. Non-phosphorescent pigments, fillers, and surfactants may also be included. The light emitting phosphorescent ball provides a luminous trail when discharged from the paintball gun and thus, may be used effectively in the dark.

Abstract: A projectile having photoluminescent properties is exposed to light within a gun when propelled from the gun to excite the photoluminescent surface and provide a visual display by the propelled projectile. The projectile is illuminated by a flash lamp, such as a xenon flash lamp, having a high level ultraviolet light component and relatively low or non-existent red, orange and infrared components.

Abstract: Disclosed is a sighting unit and stand for an archery bow. The sighting unit and stand are used for sighting-in an archery bow having a sighting device. Techniques involved in properly firing a bow can be practiced and perfected utilizing the present invention, while allowing the archer to execute the "complete" shot. The present invention allows for the stabilization of the bow for the perfect sight adjustment and shot. The sighting unit includes a mounting post, a recoil lever rotatably fixed to the mounting post, and an attachment rod fixed to the recoil lever for mounting the bow. The attachment rod includes a tube and an attachment stud. The attachment stud includes a threaded stud on one end and a threaded hole on the other end. A bolt attaches the attachment stud to the tube by threading the bolt into the threaded hole of the attachment stud. The sighting unit further includes a recoil spring between the mounting post and the recoil lever.

Abstract: An archer's bow rest is used with a support structure and supports an archer's bow. The bow rest includes a cup member and a brace. More particularly, the cup member is connected with the support structure and defines a recess that is adapted to removably receive an end of the archer's bow. In one aspect, the cup member further includes a generally J-shaped member and a ring member. The J-shaped member has a first leg, a bite portion, and a second leg, with the first and second legs extending in the same general direction from the bite portion. In another aspect, the ring member is connected with each of the first and second legs, whereby the ring member, the first leg, the bite portion, and at least a portion of the second leg define the recess. At least one of the ring member and the J-shaped member may be constructed of an elongated pliable member.

Abstract: The velocity of a mass is monotonically increased from an initial non-zero value at the time it enters a spiral track. A drive gyrates the track about an axis so the mass makes each turn around the track in about the same period of time. The drive includes plural rotary drive shafts eccentrically and fixedly connected to the track at several points. The drive shafts and track are arranged so points on a first side of a particular spiral turn where the mass is located are driven toward the axis and points on a second side of the particular spiral turn remote from where the mass is located are driven away from the axis.

Abstract: A compound archery bow equipped with a cable guard can be suspended in front of a seat in an elevated tree stand by a support mechanism attached to the front edge of the seat. The support mechanism includes a mounting bracket attached to the undersurface of the seat, and a support member affixed to the terminal end of the cable guard. The support member has a slide pin adapted for insertion into an open top socket on the mounting bracket, such that the archery bow can be supported in a stable position in front of the hunter. The seated hunter can readily remove the bow from the support mechanism for shooting purposes.

Abstract: A bow mount includes a support member, a frame member, and two clamping arms. The clamping arms are spaced from each other and extend laterally from the front side of the frame member. A bow is secured in the clamping arms. The frame member is then rotated and tilted with respect to said frame member to determine the level conditions of a bow. An arrow is then attached to the bow string and an arrow stabilizer. The arrow rest is then placed and the sight pins are properly aligned.

Abstract: The present invention relates to a device for calibrating an archery bow. More specifically, the present invention relates to a device wherein the draw of a bow can be calibrated against the movement of its limbs and pulleys. In its broadest context, the present invention includes a work surface to which both a winch, a bow securing means and first and second side measuring devices are secured. In use, the bow is drawn to its valley. Then through the use of the winch the tension in the cabling is released. In releasing the tension, measurements in the first and second side measuring devices are noted. In this manner the draw of the bow is calibrated against movement of the bow's limbs and pulleys.

Abstract: A mass located in a track defined by a closed, continuous path is gradually and smoothly accelerated or decelerated by controlling movement of the track so a portion of the track where the mass is sensed to be located is moved inwardly (for acceleration) or outwardly (for deceleration) along a local radius of curvature of the track.

Abstract: A toy rocket launcher for launching a common bottle such as a plastic two liter beverage bottle in the air with pneumatic pressure. The toy rocket launcher includes a support stand having a top member and a plurality of support legs downwardly depending from the top member. The top member has a hole through which the upper end of a conduit is upwardly extended. An end of a hose is coupled to a lower end of the conduit to fluidly connect the hose to the conduit. A pneumatic pump is attached to a second end of the hose for pumping air into the hose. The upper end of the conduit is inserted into an opening in the neck of an inverted beverage bottle.

Abstract: A swivel mount for mounting strap swivels to flexible structures is provided. The mount is formed of molded plastic material that is flexible in thin sections and rigid in heavy sections. A swivel mounting post having a heavy section is formed to project from a base that has a thin section, thereby providing a flexible mounting for securing the rigid post to a flexible structure. The preferred method of securing the swivel mount to the flexible structure is with an adhesive foam tape.

Abstract: An adaptive physical education device has a frame with a variety of attachable components so that the device may be adapted to a variety of sporting applications, such as golf, baseball, and hockey. The frame, in the preferred embodiment, attaches to the front portion of a wheelchair using a pair of adjustable wheelchair brackets. A pivotable "L" shaped post is attachable to the frame so that the pivotable post may be attached pointing upwards or downwards to accommodate different swinging motions of a bat or a club. An elastic spring is attached to the pivotable post at one end and to the club or bat at the opposite end. A handle is attached to the club or bat, so that the wheelchair participant may grasp the handle while seated in the wheelchair, pull back the handle, extending the elastic spring, and let go of the handle, the elastic spring propels the club or bat forward.

Abstract: A launcher and pod combination for dispensing miniature flyers at altitude includes a pod, a launcher for non-explosively launching the pod, an optional tether connected between the launcher and pod to jerk the flight of the pod to an abrupt halt, and, miniature flyers contained in the pod before launch which are to be dispensed by the pod when jerked at the limit of the tether.

Abstract: Light emitting rigid, fracturable projectile-type marking ammunition is disclosed. The marking ammunition is in the form of a phosphorescent paintball. An exciter is adaptable for use with paintball guns to excite the phosphorescent paintball to emit light. The exciter couples to the muzzle of a paintball gun. The light emitting paintball provides a luminous trail when discharged from the paintball gun. A paintball according to the instant invention comprises a spherical pellet or capsule defining an interior chamber, and a filler contained in the chamber. In one embodiment, the capsule is impregnated with a phosphorescent material. In an alternative embodiment, a phosphorescent material is mixed with the filler. The phosphorescent material absorbs light when exposed to a light source, and after the light source is removed, emits light. A paintball being discharged from a paintball gun enters the exciter. Upon detecting the presence of a paintball, the exciter is triggered to produce a high intensity light.

Abstract: An automatic bow retention device for the purpose of holding a compound archery bow under tension while removing tension from the bowstring. The device is comprised of a flexible cord which attaches to the archery bow at its two ends, a cord spool upon which the flexible cord is wound, a housing in which the spool is free to rotate and through which the cord passes, and a ratchet mechanism which engages the cord spool to the housing. A flexible spring is connected between the cord spool and the housing for automatically retracting the flexible cord onto the spool as the bow is flexed by drawing the bowstring. The ratchet mechanism comprises a pawl attached to the cord spool and ratchet teeth attached to the housing such that the pawl engages the ratchet teeth to prevent the spool from unwinding the flexible cord, thereby holding the bow under tension. Other arrangements of the pawl and ratchet teeth are possible.

Abstract: A mass located in a track defined by a closed, continuous path is gradually and smoothly accelerated or decelerated by controlling movement of the track so a portion of the track where the mass is sensed to be located is moved inwardly (for acceleration) or outwardly (for deceleration) along a local radius of curvature of the track.

Abstract: The present invention is directed to an Archery Bow safety lock for releasable attachment to an Archery Bow to prevent operation of the bow when the lock is attached. The safety lock comprises a containment region to contain a bow string and prevent the bow string from being drawn or removed from the containment region when the lock is attached to the bow and a means for releasably securing the lock to the handle or riser region of the bow. The safety lock allows the bow string to be inserted into the containment region. The lock is also able to pass through or around the handle or riser region and thereafter be secured to prevent operation of the bow.

Abstract: An apparatus for assisting a disabled person play golf is described. The apparatus includes a frame, a rod, a golf club holder, and an actuator. The rod is rotatably mounted in the frame. The frame is secured to a ambulatory handicap device such as a wheelchair, walker, scooter, or golf cart. The golf club holder is connected to a distal end of the rod, and is adapted to releasably engage a golf club head. The actuator, conversely, is connected to a distal end of the rod so that the actuator is within reach of a person utilizing the handicap device. The person actuates the actuator to rotate the rod and swing the golf club head.

Abstract: A method and apparatus for maintaining a bow comprises a maintenance base having a plurality of apertures for receiving tools and cleaning accessories for maintaining and servicing the bow. Also, a plurality of apertures are provided having varying depths for receiving at least one fork member having substantially similar apertures for receiving the bow in one of a plurality of angular maintenance positions so that an archer can support the bow above a surface without the use of his hands. The plurality of supports may also comprises a strap or latch for facilitating supporting the bow in a substantially upside down position relative to the base. An adjustable fork is also provided for adjusting the angular position of the bow-receiving apertures in the fork. This facilitates supporting the bow in one of the plurality of angular positions.

Abstract: An archery bow holder for holding an archery bow in a desired position and orientation by supporting an archery bow counterweight from a surface. The archery bow holder comprises a bow counterweight support and a threaded shaft extending therefrom. The threaded shaft is twisted into the surface; and the bow counterweight is inserted into the bow counterweight support, thereby supporting the archery bow from the surface.

Abstract: The archery bow sighting and tuning apparatus consists of a telescoping base assembly held in a vertical position by a base. A standard is slidable within the telescoping base assembly. The standard is lockable once properly positioned. A base plate is rotatably attached to the top end of the standard. The base plate is lockable in a fixed position on the standard. An elevation plate member is pivotally attached to the base plate. A level adjustor pivots and holds the elevation plate member in regards to the base plate. A transition mounting bracket is rotatably attached to the elevation plate member. A transition enclosure is attached to the transition mounting bracket. In this manner the transition enclosure is rotatable about the elevation plate member. A elevation adjusting rod is used to control the rotation of the transition mounting bracket for the horizontal positioning of the transition enclosure. A transition piece is slidable within the transition enclosure.

Abstract: A wrist strap for an archery bowstring release has the two ends of the strap closed and attached to each other by hook and loop type fastening material. A separate web, having hooks and loops on opposite faces over a substantial porion of the web and hooks on the remainder of the surface of the web which has loops extending from the loop region to the distal end of the web, then may be wrapped around the user's wrist. The hooks on the web engage the mating loops on the outer or top surface of one of the branches of the wrist strap to insure that the first end of the wrist strap remains firmly engaged with the second end of the wrist strap.

Abstract: An archery practice device is disclosed in which an experienced or a student archer can improve upon and learn the skills necessary for effective archery, and increase body strength for endurance with the use of a compact practice device. The archery practice device of the present invention includes a handgrip member having a pair of parallel guide members attached to the handgrip member and extending perpendicularly from a longitudinal length of the handgrip member. The device also includes a pair of elastic cords having one end of each cord attached to the handgrip member though the pair of guide members, and a bowstring attached to the other end of the elastic cords. The archery practice device further includes a sighting pin and is weighted to simulate the weight of a compound bow. In practice, the archer can concentrate on aiming and releasing without worrying that the elastic cords will slap the hand holding the gripping member.

Abstract: A catapult includes a handle having an opening formed in the upper portion for receiving a stud of a block. The stud has a projection extended forward for engaging with the handle. A bracket is secured to the block for supporting a resilient belt. A knob is engaged in the rear portion of the handle for engaging with the stud so as to retain the stud in the handle. The stud and thus the block may be easily disengaged from the handle by depressing the knob. An arm rest is secured to the block for preventing the bracket and the handle from rotating toward the user.

Abstract: A waist supported bow string steadying device for an archer includes a fabric envelope within which a resilient bladder is supported to provide a size variable somewhat resilient member for contact with the bow string of a drawn bow prior to release. In several embodiments, the resilient member includes an inflatable bladder having a captive air volume therein which inflates to various degrees to provide bow string arrow rests of varying sizes. In alternate embodiments, a portion of the steadying device is provided with a storage cavity in which articles of convenience may be stored. In still further embodiments, the interior of the fabric envelope is provided with one or more resilient foam pads to impart shape and size to the fabric envelope and the desired dimension to the bow string steadying device.

Abstract: The present invention relates to a safety mechanism for an air gun having a nozzle with an inlet and an outlet and having pressurization capabilities and a release for releasing pressure through the nozzle, wherein the nozzle includes an impediment member (e.g. a launch tube) with which a mating projectile is fitted for shooting. The safety mechanism is located within the nozzle at the nozzle inlet, and prevents or inhibits shooting undesirable projectiles. The safety mechanism includes a valve connected to the nozzle to prevent flow of pressurized air into it when closed and to allow flow of pressurized air when opened; a biasing device for biasing the valve to a closed position; an opening device movably located within nozzle, e.g. within an annular space between a launch tube and the nozzle.

Abstract: A ball projecting apparatus includes a housing with a frontward opening. The interior of the housing has an elongated ball guider which extends inclinedly and longitudinally from a position near the frontward opening and which terminates at a lower position, an electrically driven rotor which is mounted below the elongated ball guider, and a torsion spring which is mounted pivotally to the housing. The torsion spring has a first end portion which engages by a stopper and a second end portion which extends into a circular path that is traveled by the rotor when the rotor is activated.

Abstract: A machine for delivering balls, especially tennis balls, has a ball feeder (6) to feed individual balls (5) from a ball magazine (2) to a ball ejector (3) and a machine intrinsic feed controller (30) for sending internal control signals, controlling the ball feed and thus the ejection time, to the ball feeder (6). To enable external synchronization of the ball ejection time of several machines that the machine for delivering balls has a device (33, 35) to deactivate the machine's own feed controller (30) and a control input (34) connected electrically to the ball feeder (6) in order to attach an external control cable (39), by way of which, instead of the internal control signals external control signals, controlling the ball feed, and thus the ejection time, can be fed to the ball feeder (6).

Abstract: An apparatus for deterring an undesired behavior of at least one person. The apparatus comprises a projectile having an exterior that will not cause serious injury to a person. An actuatable launcher supports the projectile and propels the projectile in response to being actuated. A spool is mounted on the projectile or launcher. Line is wound on the spool. The line has an end portion operably connected with the launcher and another end portion operably connected with the projectile. The spool is positioned so the line is pulled from the spool after the projectile is propelled.A method of crowd management comprises the steps of providing a plurality of projectiles. Each of the projectiles has an exterior that will not cause serious injury to a member of the crowd. A plurality of actuatable launchers is provided. Each of the launchers is capable of supporting at least one projectile and upon actuation propels the projectile along a desired path. A spool is attached with each of the projectiles or a launcher.

Abstract: A ball pitching device includes a ball feed tube mounted on support components which are adjustable about vertical and horizontal pivot axes to vary the horizontal and vertical positions of delivery of pitched balls relative to a practicing batter standing at the position of home plate. The device also includes a pair of ball projecting wheels rotated by electric motors the speeds of which are adjusted by controlling potentiometers. Eccentric cams are included in the support components for enabling incremental adjustments about the vertical and horizontal pivot axes, preferably without recognition by the practicing batter, to make incremental changes in the horizontal and vertical positions of delivery of pitched balls. The electric circuit of the drive motors also includes adjustable electric signal generators operatively connected to the support components providing for elevation adjustments, for effecting changes in motor speed in accordance with changes in elevation of the ball feed tube.

Abstract: A bow press (20) and a method for compressing the limbs (156) and (158) of archery bows (150) in order to remove the tension from the bow string (160) and thereby permit adjustment, repair, and replacement of strings (160), tension cables, wheels and the like is disclosed. The bow press (20) employs a fixed arm (80) and a movable arm (114) to exert force on the bow (150) so that the limbs (156) and (158) move inwardly toward one another and thereby relax the tension on the bow string (160). The bow press (20) can also be utilized to compress an unstrung and totally relaxed bow (150).

Abstract: A radiation shielding apparatus for an archery bow includes reflective sheets of material adhereable to a bow limb face. The sheets are comprised of different sizes, including multiple height dimensions and different width dimensions. Each sheet has an outer glossy reflective surface and an inner surface. An adhesive is applied to the inner surface to enable the sheets to be removably adhered to the bow limb face. The glossy surface deflects light radiation away from the bow limb to minimize heating of the bow limb. An archery bow in accordance with the invention includes such sheets.

Abstract: The invention is a generally linear portable bow press which has a central turnbuckle section and a link chain section connected between two terminal cord or cable portions. Connected at the outside end of each cord or cable portion is a T-type handle which cooperates and engages with the limb groove at the end of a compound bow, the larger dimension of the T-type handle being oriented generally perpendicularly to the long line of the bow press. Between the inside end of one cord or cable portion and the central turnbuckle section is a length of link chain which adjustably connects to the turnbuckle section, permitting gross adjustment of the length of the bow press. The central turnbuckle section permits fine adjustment of the press, cooperating with the link chain section to allow the archer to exert an inward force on the bow press, and cause a flex in the bow while locking the bow against its reflex action.

Abstract: Practice batting of baseballs or the like is facilitated by apparatus having a gently inclined ball feeding trough from which balls drop onto a more steeply inclined ball acceleration chute. The chute has an upcurving lower end that directs the balls into a trajectory that initially extends upward and outward from the device. The lower end of the trough extends into a trough support at the upper end of the chute and is maintained in the operating position by pins on the trough or trough support which extend into slots on the other of the two components. The slot configuration enables pivoting of the trough towards the chute after a short longitudinal movement of the trough. This enables shipping, carrying and storage of the device in a much more compact form. Such compaction and set up of the apparatus prior to use does not require removal and reinstallation of threaded bolts, screws or the like.

Abstract: The present invention encompasses a toy launcher, a phoshor-containing projectile and, in combination, a toy launcher and a phosphor-containing projectile. The launcher includes a mechanism for launching the phosphor-containing projectile outwardly from the launcher, and a radiation-emitter for exposing the projectile within the launcher to phosphorescence-activating radiation prior to the projectile leaving the launcher, whereby the projectile will phosphoresce as it leaves the launcher.

Abstract: An apparatus and method to direct and control propelled balls by attachment or placement of a guide chute in front of existing or newly manufactured ball pitching machines. If a curve ball is desired, a cantilevered resilient strap is inserted inside the guide chute and positioned to engage the propelled ball, conform to the ball surface shape and induce a ball spin resulting in a curve ball trajectory.

Abstract: A projectile discharge apparatus 10 having a first generally planar ribbed portion 12 and opposed side portions 14 which form a hand reception recess. Apparatus 10 includes a plurality of chambers 24, 26, 28, 30, and 32 which are adapted to movably receive a dart 34. Apparatus 10 further includes a first member 56 which is movably deployed within each of the chambers 32 and which is movable from a first position to a second dart dispensing position by a downward movement of member 66.