Abstract: The present disclosure relates to a high-stiffness arrow shaft, which has an arrowhead disposed at one side thereof and a nock disposed at the other side thereof, and a method of manufacturing the same, the high-stiffness arrow shaft including at least one sheet layer arranged in one direction while being stacked and wound around at least a part of a body of the arrow shaft, in which at least a part of the sheet layer is made of a semi-transparent or transparent material, and a plurality of carbon fiber reinforcing sheets is disposed at predetermined angles in at least one of a plurality of sheet parts.

Abstract: The present invention relates to a lighted nock for an arrow, and more particularly, to a lighted nock for an arrow that is configured to simply and easily turn off a luminous lamp without using a separate mechanism when an internal luminous lamp of the lighted nock is turned on by shooting the arrow and then turning off the luminous lamp again.

Abstract: A metallic coating includes a first metal, a second metal, phosphorous, and graphene nanoparticles. The first metal may be nickel and the second metal may be a refractory metal, such as tungsten, rhenium, molybdenum, niobium, tantalum, or mixtures thereof. The metallic coating may have, by weight, 1.0% to 40.0% of refractory metal, 1.0% to 20.0% of phosphorous, 0.01% to 5.0% of the graphene nanoplatelets, and a remainder of the nickel.

Abstract: A nock assembly for use with a crossbow bolt includes a nock body defining a notch into which the bowstring of a crossbow is insertable. A light assembly includes a switch member at one end of the notch. First and second spherical caps protrude into the notch and define a first gap therebetween. Third and fourth spherical caps protrude into the notch and define a second gap therebetween. The bowstring is positionable between the spherical caps such that the first and second spherical caps resist movement of the bowstring out of the notch, and the third and fourth spherical caps resist movement of the bowstring toward the switch member. Release of the bowstring from its cocked or drawn position causes the bowstring to pass through the second gap and contact the switch member to turn on the light assembly.

Abstract: A arrow system embodying a glue-in configuration or screw-over configuration of broadhead to arrow shaft connection is provided. The glue-in configuration provides an externally threadless broadhead shank for slidably reception into the complementary and cross-sectionally coextensive lumen of the arrow shaft. The screw-over configuration provides a broadhead with female internal threading that operatively associates with male threading of an insert that interconnects the broadhead to the lumen of the arrow shaft.

Abstract: A tracking system for use with an arrow including a base unit defining an open central section; a holding magnet positioned within the open central section; and a sending unit that includes an electronic circuit; a main body section affixed to an electronic circuit; projections extending from the main body section into the open central section and at least partially surrounding the holding magnet; and a projection extending from the main body section and ending in a point; where the electronic circuit includes a battery and is constructed to emit a tracking signal when activated and the electronic circuit includes a magnet switch element such that the electronic circuit is maintained in a deactivated state as a result of the magnetic field established by the holding magnet.

Abstract: A molded arrow assembly preferably includes an insert and an outsert for an arrow or an insert/outsert assembly. The molded arrow assembly may include an insert having a cylindrical body with a first end and a second end. The second end may be dimensioned to fit within a bore of an arrow shaft. The first end may terminate in a prong containing male threads. The insert/outsert assembly may also include an outsert having a cylindrical wall with an arrow shaft end and an arrowhead end. The cylindrical wall may also include a center bore extending between the arrow shaft end and the arrowhead end. The center bore may contain a threaded region containing female threads. The threaded region may be located intermediate of the arrowhead end and the arrow shaft end and may extend between a top shoulder and a bottom shoulder.

Abstract: In some embodiments, projectile comprises a first body portion comprising a tip, a second body portion comprising a nock and a tether attached to the first body portion and attached to the second body portion. In some embodiments, the projectile comprises a first configuration where the first body portion contacts the second body portion. In some embodiments, the projectile comprises a second configuration where the first body portion is spaced apart from the second body portion.

Abstract: An arrow with a first body having a cylindrical member with a first outside diameter, a first outer surface, a first inner diameter, a first proximate end, and a first distal end, where the first proximate end is configured to accept an arrowhead, a second body having a hollow cylindrical member, where the second distal end is configured to accept fletching, and a nock, and a connecting means to couple the first body to the second body, wherein the arrowhead is a hollow coring arrowhead configured to cut a volume of material through a target, and where mass and fluid passes through the coring arrowhead to the first body, and where one or more rods are positioned within the second body, where the rods are exposed to the target after the first body detaches from the second body.

Abstract: An aluminum lighted nock with an external switch preferably includes a nock body, a light unit, a compression spring and a power source. The nock body preferably includes a string portion and a shank portion extending from one end of the string portion. A string receiver is formed in the other end of the string portion. A battery bore is formed through the shank portion and into the string portion. A light hole is formed through a bottom of the battery bore. The light unit preferably includes a top hat LED, a LED housing and a slide pin, which is slid into the battery bore. The pin battery is pressed into the battery bore. The shank portion is inserted into a nock end of an arrow. The top hat LED is pushed back during a launch of the arrow and creates an electrical connection with the power source.

Abstract: A tracking device is configured to detach from a launched projectile to remain in an animal when the projectile proceeds completely through the animal. The tracking device can be attached to the end of an arrow shaft and provide the nock of the arrow. A decelerator such as a barb, an offset fin, or a reverse helical projection is provided to aid in detachment of the tracking device from the arrow shaft as it passes through the animal. The tracking device remains embedded in the animal so that the animal can be tracked instead of the arrow.

Abstract: One aspect is an illumination assembly including: a first light emitting element; a first counterweight; and at least one of a nock or a connector configured to attach the illumination assembly to a nock, such that the first light emitting element and the first counterweight are positioned symmetrically from each other relative to the nock on opposite sides of the nock. Preferably the first light emitting element is substantially the same mass as the first counterweight. The illumination assembly can include a shaft of an arrow or bolt and/or include an adapter configured to attach to a shaft of an arrow or bolt, such that the first light emitting element and the first counterweight are collinear on a virtual line substantially perpendicular to the central axis of the arrow or bolt, and such that the first light emitting element is positioned off of the central axis of the arrow or bolt and configured to emit light in a rearward direction offset from the central axis of the arrow or bolt.

Abstract: An arrow with a first body having a cylindrical member with a first outside diameter, a first outer surface, a first inner diameter, a first proximate end, and a first distal end, where the first proximate end is configured to accept an arrow head, a second body having a hollow cylindrical member with a second outside diameter, a second inner diameter, a second outer surface, a second inner surface, a second proximate end, and a second distal end, where the second distal end is configured to accept fletching, and a nock, and a connecting means to couple the first body to the second body, where the connecting means establishes a linear alignment of the first body to the second body along the device's longitudinal axis, and where the connecting means permits the first body to be removable in relation to the second body.

Abstract: A tracking system for use with an arrow including a base unit defining an open central section; a holding magnet positioned within the open central section; and a sending unit that includes an electronic circuit; a main body section affixed to an electronic circuit; projections extending from the main body section into the open central section and at least partially surrounding the holding magnet; and a projection extending from the main body section and ending in a point; where the electronic circuit includes a battery and is constructed to emit a tracking signal when activated and the electronic circuit includes a magnet switch element such that the electronic circuit is maintained in a deactivated state as a result of the magnetic field established by the holding magnet.

Abstract: The present invention provides an arrow shaft including a carbon fiber sheet having a transfer layer formed thereon, wherein the carbon fiber sheet is formed to extend in one direction and includes a plurality of carbon fiber layers in which a camouflage layer is formed on at least a part of an outermost layer thereof, and at least one transfer layer is formed on one surface of at least one of the carbon fiber layer and the camouflage layer.

Abstract: An archery projectile facility comprises an elongated body. The elongated body includes at least one accelerometer. The at least one accelerometer is operable to generate three-dimensional acceleration information. The archery projectile facility comprises a body processor. The body processor is operably connected to the at least one accelerometer. The body processor is adapted to process the three-dimensional acceleration information to generate sampled information. The archery projectile facility comprises a transmitter. The transmitter is operably connected to the body processor to broadcast the sampled information. The archery projectile facility comprises a receiver. The receiver includes a receiver processor. The receiver processor is adapted to generate resulting information based on the sampled information. The resulting information is based on a determination of a stabilization point.

Abstract: A dart point, the dart point having a distal end, a middle portion and a proximal end; wherein: the distal end is tapered to a point; the middle portion is substantially cylindrical; and the proximal end comprises a generally incompressible tapered retaining portion having a substantially continuous tapered retaining surface, being generally frusto-conical, wherein the taper becomes narrower in the direction passing from the distal end to the proximal end of the dart point.

Abstract: A nock may be used with an associated arrow and an associated crossbow. The nock may include a connection surface designed to connect the nock to the associated arrow and string guide impressions that may be designed to receive a bowstring to fire the associated arrow from the associated bow.

Abstract: In some embodiments, an arrow comprises a shaft comprising a tubular wall comprising a cavity and a nock comprising a notch arranged to engage a bowstring. An intake inlet is in fluid communication with the cavity and an exhaust outlet is in fluid communication with the cavity.

Abstract: An arrow nock assembly for enhancing drawing an arrow shaft in a bow includes a nock that is attachable to an arrow shaft. The nock has a pair of indentations each being integrated into an outer surface of the nock. Each of the indentations enhances gripping the nock for drawing the arrow shaft in a bow. The nock has a string space therein and the string space has a twisted orientation enhance attaching the nock to the string of the bow.

Abstract: Reinforcement is used in the manufacture of shafts having multiple layers with multiple types of material in various combinations for the arrows, crossbow bolts, and sporting goods of the present invention. The reinforced shaft is a cylindrical tube made of a base material with a reinforcing layer applied to the cylindrical tube. In one embodiment, the reinforced shaft is a carbon fiber blank with a steel mesh used as the reinforcing layer. The reinforcing layer applied over the carbon fiber blank increases the overall strength of the shaft.

Abstract: An arrow nock may have at least two distinct string guide impressions each designed to receive a bowstring to fire an arrow from a bow. The nock may be operable when connected and aligned with the arrow to cause the bowstring to be received within at least one of the string guide impressions to fire the arrow. As it is received within the string guide impression, the bowstring may cause the arrow to rotate about its longitudinal axis.

Abstract: A system and method of correcting the trajectory of a hunting arrow is disclosed and described. The arrow can include a compensator coupled to a shaft of the arrow and the compensator has diameter that is larger than a diameter of the shaft of the arrow. A thickness of the compensator, which is measured as the difference in the diameter of the compensator and the diameter of the shaft of the arrow, is configured to enable a user to aim the arrow with a bow that has been sighted for a standard arrow.

Abstract: An archery accuracy device, system, and method for improving archery accuracy that can be tailored for each archer and their current archery equipment is provided. The archery accuracy device may embody a wireless accelerometer and gyroscope sensors coupled to an auto graphing software adapted to graphically represent multiple sets of bow movement data collected by the accelerometer and gyroscope sensors. The graphical representation of multiple data sets, each data set associated with a different attempted shot, may be layered over each other on in one graphical representation, thereby enabling the archer to compare and contrast in their quest to optimize the best stabilization, setup condition through this iterative process.

Abstract: An arrow nock may have at least two distinct string guides each designed to receive a bowstring to fire an arrow from a bow. When the nock is connected to and aligned with the arrow, each distinct string guide may be designed, when receiving the bowstring, to rotate the arrow about its longitudinal axis with respect to the bow into one of a limited number of alignment orientations.

Abstract: Provided is a universal nock system comprising a first axis defining an axial direction and radial directions perpendicular to the axial direction; a nock having, a first side having a bowstring reception surface having concave channels, a second side opposite the first side, an axial contact surface, and an exterior surface; an insert portion extending from the second side of the nock, elongated along the first axis, and adapted for insertion into an associated arrow body, the insert portion having, a first end, a second end opposite the first end having a centering feature of the second end, the centering feature of the second end having contact surfaces, and a middle portion located along the first axis of elongation between the first end and the second end, the middle portion having a centering feature of the middle portion, the centering feature of the middle portion having contact surfaces.

Abstract: The archery arrow having improved flight characteristics of the present invention is designed to improve the accuracy of the arrow which is equipped with a dampening medium within the central bore of the arrow shaft. The dampening materials in an embodiment may include, but not be limited to, silicon, epoxies or urethanes and selection of various dampening materials may provide for varying degrees of stiffness. The dampening effects of internal dampening materials decrease the initial deflection distance of the arrow and also serves to decrease the deflection with each oscillation. In addition, the dampening medium adopted in the present invention provides for an arrow having a selectable center of gravity location that has improved flight characteristics. Thus, the dampening materials adopted in the present invention provide for a selected location of center of gravity and a desired attenuation of oscillations.

Abstract: An arrow outsert preferably includes a base insert, a retention fastener and an outsert receiver. The base insert includes an elongated diameter and an end flange. The elongated diameter is inserted into an end of an arrow shaft. A plurality of circumferential slots are formed around the elongated diameter to receive a bonding substance. A threaded tap is formed in a flange end of the base insert to receive the retention fastener. The outsert receiver includes an elongated diameter and an outer tapered surface. An arrow shaft bore is formed in a tapered end of the outsert receiver to receive an outer perimeter of the arrow shaft. A fastener hole is formed in an end opposite the tapered end (tap end) to receive the retention fastener. An arrow point threaded tap is formed in the tap end of the outsert receiver to receive a thread rod of an arrow point.

Abstract: The invention relates to the field of sports weapons. The crossbow comprises a bow with a bow string, a shoulder stock and a tubular stock which connects said bow and shoulder stock and has two diametrically arranged longitudinal helical grooves, the helical grooves in the stock are of through design, and the bow string is passed through the helical grooves, wherein the helical grooves have a length of not less than the value of the bow string tensioning motion.

Abstract: A composite tube for an archery bow limb or arrow shaft preferably includes a first fiber sheet with fibers parallel and substantially perpendicular to a lengthwise axis of the composite tube; a second fiber sheet with fibers parallel to the lengthwise axis; a third fiber sheet with fibers oriented substantially 45 degrees from the lengthwise axis; and fourth fiber sheet with fibers parallel and substantially perpendicular to the lengthwise axis. The first fiber sheet is wrapped around a mandrill; the second carbon fiber sheet is wrapped around the first fiber sheet; the third fiber sheet is wrapped around the second fiber sheet; and the fourth fiber sheet is wrapped around the third fiber sheet. The mandrill with the first, second, third and fourth fiber sheets is baked in an autoclave. The spacing between fibers in the first, second, third and fourth carbon fiber sheets may be the same or different.

Abstract: A crossbow sighter is used to align the sight used on a crossbow to the axis of the groove on the crossbow. In this manner, the cross bow bolt will strike close to, or at, the location sighted by the sight. The crossbow sighter fits into the groove and has a body with a length that extends past the bow string when the bow string is in its fully relaxed position. The bow string rests against the body and applies cross-axial pressure to the crossbow sighter and helps retain it in the groove while aligning the crossbow sight.

Abstract: An arrow nock may have at least two distinct string guides each designed to receive a bowstring to fire an arrow from a bow. When the nock is connected to and aligned with the arrow, each distinct string guide may be designed, when receiving the bowstring, to rotate the arrow about its longitudinal axis with respect to the bow into one of a limited number of alignment orientations.

Abstract: An arrow nock and nock receiver assembly may include a nock and a nock receiver. The nock and nock receiver may attain relative longitudinal alignment by the engagement of a lip to a groove portion. The nock and nock receiver may attain relative longitudinal alignment by the engagement of a nock contact surface with a nock receiver contact surface.

Abstract: An arrow nock may have three or more string guide impressions that are designed to receive a portion of a bowstring to fire an arrow. Each string guide impression may be defined by two circumferentially spaced walls separated by a floor. The walls and floors may be curvilinear in shape. The walls may have sides and a peak that are curvilinear. The walls may have widths that narrow toward the peak. The walls may have a radial length that is at least one fourth of the nock outside diameter.

Abstract: An arrow shaft having a reinforced nock end includes an arrow shaft and a carbon fiber tube retained in a nock end of the arrow shaft. An end of the carbon fiber tube may be flush with the nock end of the arrow shaft or be inserted to a depth to provide clearance for a shaft of an arrow nock. The carbon fiber tube is secured to an inside perimeter of the arrow shaft with any suitable bonding substance. A length of the carbon fiber tube is at least 1.5 inches long, but no longer than 45% of a length of an arrow shaft.

Abstract: A cylindrical carbon fiber arrow shaft formed with an exterior surface having single or multiple outside diameters and formed with an axial bore having multiple interior diameters. In a preferred embodiment, the exterior surface of the arrow shaft has an increased external diameter at the nock end and tapers to a smaller external diameter at the tip end. The axial bore has an internal diameter at the nock end corresponding to standard arrows having external diameters of 0.295 inches and tapers to a smaller internal diameter at the tip end. Modifying the length, diameter, and wall thickness of the arrow shaft varies the stiffness of the arrow shaft along the length and shifts the center of gravity along the length of the arrow shaft and as well. Utilizing standard internal diameters, nock and tips may be attached without spacers or inserts, thereby decreasing weight of the arrow significantly.

Abstract: An alignment tool may be used with an arrow and a nock. The alignment tool may include a tool body, a connection member, and an opening. The alignment tool and nock may be rotatable with respect to the arrow when the nock is connected to the arrow and the connection member is connected to the nock to align the nock with respect to the arrow by aligning the opening in the tool with an arrow vane with the vane visible through the opening in the tool.

Abstract: The archery arrow having improved flight characteristics of the present invention is designed to improve the accuracy of the arrow which is equipped with a dampening medium within the central bore of the arrow shaft. The dampening materials in an embodiment may include, but not be limited to, silicon, epoxies or urethanes and selection of various dampening materials may provide for varying degrees of stiffness. The dampening effects of internal dampening materials decrease the initial deflection distance of the arrow and also serves to decrease the deflection with each oscillation. In addition, the dampening medium adopted in the present invention provides for an arrow having a selectable center of gravity location that has improved flight characteristics. Thus, the dampening materials adopted in the present invention provide for a selected location of center of gravity and a desired attnuation of oscillations.

Abstract: An adaptor for mounting arrowheads to arrow shafts is disclosed. Example embodiments include a collar assembly portion that engages the outer surface of a hollow arrow shaft, and an adaptor with an inner centerpin attachment portion that engages the inner surface of the hollow arrow shaft. Other embodiments may include single-piece adaptors configured to receive the end of a hollow arrow shaft, and adaptors with arrowhead receiving portions.

Abstract: One or more techniques and/or systems are disclosed for a nock device that may be used on an arrow. A top portion a nock device can comprise one or more pairs of string guide impression on its top surface, where the respective one or more pairs of string guide impressions may be symmetrically arranged on the top surface, with respect to each other. A first pair of string guide impression can be disposed along a first bisecting line on the top surface, and, if present, a second pair of string guide impressions can be disposed along a second bisecting line on the top surface. The respective one or more pairs of string guide impression can be configured to receive a bowstring, where the first pair may receive the bowstring in a first orientation, and the second pair, if present, may receive the bowstring in a second orientation.

Abstract: A field point for a double walled arrow shaft preferably includes a target point formed on one end and a weight reduction cavity formed in an opposing end thereof. The double walled arrow shaft includes an outer tube and an inner tube. An outer tube diameter is formed in substantially a middle of the field point to receive an inner diameter of an outer tube of the double walled arrow shaft. An end of the inner tube diameter is formed adjacent the first shaft diameter and between an end of the outer tube diameter and the opposing end of the field point to receive an inner diameter of an inner tube of the double walled arrow shaft. An end of the outer tube diameter is terminated with an outer undercut. An end of the outer tube is chamfered or tapered to be received by the outer undercut.

Abstract: A lobed projectile includes a shaft having a leading end and a trailing end, a point positioned at the leading end, a number of circumferentially spaced apart vanes positioned on the shaft between the leading end and the trailing end, and a nock positioned at the trailing end. The nock includes a body portion attached to the shaft, wherein the body portion has a central axis, and the nock includes a lobe on the outer surface of the body portion which extends radially away from the central axis. The nock may be used to avoid dry fires of a crossbow by controlling an anti-dry fire mechanism and by securing a bowstring to the nock of the projectile.

Abstract: A self-centering nock is provided for use in a well-balanced nock-arrow or nock-bolt assembly. The self-centering nock includes compliant projecting protrusions or compliant arms that are substantially rotationally symmetric about a cross section normal to a main axis of the self-centering nock. The compliant projecting protrusions or compliant arms may be received in bolts that have bores of differing internal dimensions.

Abstract: A self-centering nock is provided for use in a well-balanced nock-arrow or nock-bolt assembly. The self-centering nock includes compliant projecting protrusions or compliant arms that are substantially rotationally symmetric about a cross section normal to a main axis of the self-centering nock. The compliant projecting protrusions or compliant arms may be received in bolts that have bores of differing internal dimensions.

Abstract: The archery arrow having improved flight characteristics of the present invention is designed to improve the accuracy of the arrow which is equipped with a dampening medium within the central bore of the arrow shaft. The dampening materials in an embodiment may include, but not be limited to, silicon, epoxies or urethanes and selection of various dampening materials may provide for varying degrees of stiffness. The dampening effects of internal dampening materials decrease the initial deflection distance of the arrow and also serves to decrease the deflection with each oscillation. In addition, the dampening medium adopted in the present invention provides for an arrow having a selectable center of gravity location that has improved flight characteristics. Thus, the dampening materials adopted in the present invention provide for a selected location of center of gravity and a desired attenuation of oscillations.

Abstract: Embodiments of the Expandable Arrow Nock are comprised of a nock tip, expandable fins, an internal spring, a high tensile strength wire and a pass-through module. When the arrow is fired, the fins are in the stowed position and remain in the stowed position as the arrow travels up to the point where the arrow hits the target animal. At the point where the arrow hits the target animal, the deceleration of the arrow at that instant actuates the compressed internal spring that in turn force the fins into the deployed or open position. The deployed fins prevent the nock from travelling through the body of the animal. However, the shaft portion of the arrow detaches from the nock and pass-through module.

Abstract: An arrow includes an arrowhead, a shaft, a nock, and an internal cavity. The internal cavity includes a camera.

Abstract: A cylindrical carbon fiber arrow shaft formed with an increased external diameter of 0.380 inches. This arrow shaft is formed with an axial bore which has a first internal diameter throughout a substantial portion of the shaft length, and a second internal diameter throughout the fletching end of the arrow. By varying the first internal diameter and the second internal diameter standard nocks may be used without the need for any spacer or insert, standard points may be used without the need for any spacer or insert and the location of the center of gravity may be adjusted on the arrow.

Abstract: A cylindrical carbon fiber arrow shaft formed with an exterior surface having single or multiple outside diameters and formed with an axial bore having multiple interior diameters. In a preferred embodiment, the exterior surface of the arrow shaft has an increased external diameter at the nock end and tapers to a smaller external diameter at the tip end. The axial bore has an internal diameter at the nock end corresponding to standard arrows having external diameters of 0.295 inches and tapers to a smaller internal diameter at the tip end. Modifying the length, diameter, and wall thickness of the arrow shaft varies the stiffness of the arrow shaft along the length and shifts the center of gravity along the length of the arrow shaft and as well. Utilizing standard internal diameters, nock and tips may be attached without spacers or inserts, thereby decreasing weight of the arrow significantly.

Abstract: An arrow nock having a telescoping impeller and housing with resilient means for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.