Abstract: In some embodiments, a crossbow comprises a stock, a first limb assembly arranged to support a first rotatable member and a second limb assembly arranged to support a second rotatable member. The first rotatable member comprises a first cable track and a second cable track, and the second rotatable member comprises a third cable track and a fourth cable track. A bowstring extends between the first rotatable member and the second rotatable member. The bowstring defines a bowstring plane. A latch is attached to the stock and arranged to engage the bowstring. A trigger is arranged to release the latch. A first cable segment is oriented above the bowstring plane and engaged with the first cable track. A second cable segment is oriented below the bowstring plane and engaged with the second cable track. A third cable segment is oriented above the bowstring plane and engaged with the third cable track. A fourth cable segment is oriented below the bowstring plane and engaged with the fourth cable track.

Abstract: In some embodiments, an archery bow comprises a rotatable member configured for rotation about a first rotatable member axis. A cable anchor is attached to the rotatable member and rotatable with respect to the rotatable member about an anchor axis. The anchor axis is offset from the rotatable member axis. The bow can further comprise a power cable anchored to said cable anchor.

Abstract: In some embodiments, a crossbow comprises a stock, a first limb assembly arranged to support a first rotatable member and a second limb assembly arranged to support a second rotatable member. The first rotatable member comprises a first cable track and a second cable track, and the second rotatable member comprises a third cable track and a fourth cable track. A bowstring extends between the first rotatable member and the second rotatable member. The bowstring defines a bowstring plane. A latch is attached to the stock and arranged to engage the bowstring. A trigger is arranged to release the latch. A first cable segment is oriented above the bowstring plane and engaged with the first cable track. A second cable segment is oriented below the bowstring plane and engaged with the second cable track. A third cable segment is oriented above the bowstring plane and engaged with the third cable track. A fourth cable segment is oriented below the bowstring plane and engaged with the fourth cable track.

Abstract: In some embodiments, an archery bow comprises a frame, a first limb assembly supporting a first rotatable member and a second limb assembly supporting a second rotatable member. The first rotatable member comprises a cam. A bowstring extends between the first rotatable member and the second rotatable member. A power cable is in communication with the cam. The first limb assembly has a width and a length, wherein the width is at least 26% of the length. In some embodiments, the width is at least 28% of the length.

Abstract: A crossbow string guides that include upper and lower helical power cable journals on opposite sides of a draw string journal. A separation between first and second axis of the string guides in a drawn configuration is about 5 inches to about 10 inches and the draw string in the drawn configuration comprises an included angle of less than about 25 degrees. First and second pairs of power cables wrap and unwrap at least 300 degrees around, the respective first and second upper and lower helical power cable journals as the draw string moves between a released configuration to a drawn configuration.

Abstract: A pneumatic actuator having therein a venting element and a porous element, compression and elongation of the actuator creating an air flow in the venting element and porous element to output lubricant as a mist toward a sliding interface of the actuator. A bow using the actuator and a bow having a double string preventing sideward movement when launching an arrow. A compound bow having limbs with multiple rotatable elements and an actuator rotating such elements to launch an arrow.

Abstract: A crossbow includes a frame, where the frame is provided with an arrow track for placing an arrow; the crossbow includes at least one limb; the limb includes a fixed end and a movable end; the movable end is moved toward the fixed end under pressure, such that two sections bent in opposite directions are formed on the limb to make the limb wave-shaped; the movable end is moved in a reverse direction to make the limb restored; and a primary string of the crossbow is directly or indirectly connected to the movable end of the limb. The limb of the crossbow can generate large elastic potential energy and can reduce the kinetic energy consumed by translation, and avoids the problem of different strokes between multiple limbs. The crossbow prevents the winding wheels from translating to consume the kinetic energy, such that the arrow can gain sufficient kinetic energy.

Abstract: A projectile launching device includes self-timing without cam lean. The projectile launching device preferably includes a rail, a riser, two energy storing components, (such as two limbs), two cams, a launch string, and at least two cables. The ends of the launch string are attached to the two cams. Opposing ends of first and second cables are coupled to the first and second cams. A mid-segment of the first and second cables are slidably engaged with the first and second cable pulleys, respectively. The two cams are preferably built as mirror images of each other at a centerline of the rail. The two cams include a launch string track, having identical, but mirrored, upper and lower cable tracks. A stop is formed on each cam to prevent the cam from being able to rotate in a direction opposite the direction of drawing, when the bow is at rest.

Abstract: A reduced length crossbow with a trigger located near a midpoint of the crossbow and a small included angle of the draw string when in the drawing configuration that creates a space between the draw string and the user's face. The included angle of the draw string when in the drawing configuration may be less than about 25 degrees. The trigger is typically located proximate the midpoint within about 10% of the overall length of the crossbow.

Abstract: The present disclosure provides for a cam assembly, the cam assembly comprising a shoot cam and a charge cam. The shoot cam is configured to be operatively coupled to the charge cam. The cam assembly is configured to store a potential energy in response to a draw of a drawstring.

Abstract: Described is an archery device for transmitting power aimed at transmitting power from at least one limb to at least one arrow using at least one cam which is operatively connected to two or more flexible, substantially inextensible elements, designed to withstand tensile stress (cables and strings or tracts thereof), simultaneously operating at least one string tract and several cable tracts, the latter, in different directions to each other, wherein the net radial moment is determined by the combination of tensions and directions of the elements connected to it. This increases the design freedom when positioning the cam and reduces the friction linked to its rotation against a support, if necessary, making it possible to do without a support, thereby eliminating friction and improving efficiency.

Abstract: An archery bow is provided including limbs and at least one power cable disposed in a track of a cam rotatably mounted to a limb. The power cable is anchored to the cams with a fastener having a shaft registered in a hole defined by a landing surface of the cam so that a power cable is trapped in a cable capture void between a head of the fastener and the landing surface. The fastener can include a radius between a fastener axis and an outer edge of the head. A separation distance can be defined between the head and the track, with a ratio of the separation distance to the radius being less than 1:1. The separation distance can be less than a diameter of the power cable. A related method of use is provided.

Abstract: A cable tensed between a pair of large and small diameter cams of a bow and elastically deformed to generate an elastic force for rotating the pair of large and small diameter cams and a pair of string cams rotated integrally with the pair of large and small diameter cams in a reverse direction when the string is drawn to rotate the pair of large and small diameter cams are rotated. The cable has: a first high-elasticity raw thread wound around one of the pair of large and small diameter cams; a second high-elasticity raw thread wound around the other of the pair of large and small diameter cams; and a low-elasticity raw thread which connects the first high-elasticity raw thread with the second high-elasticity raw thread, the low-elasticity raw thread being elastically deformed more easily than the first high-elasticity raw thread and the second high-elasticity raw thread.

Abstract: A bow capable of replacing the cable more easily is provided. A bow, includes: a bow body; a plurality of string cams around which each of both ends of a string for nocking an arrow is wound, the string cams being rotated when the string is drawn; a plurality of cable cams around which each of both ends of an elastically deformable cables is wound, each of the cable cams being rotated interlockingly with each of the string cams to elastically deform the cables; and a plurality of holders, each of the holders having a base portion pivotably held on each of both ends of the bow body and an end portion for rotatably holding each of the cable cams.

Abstract: A projectile launching device includes self-timing without cam lean. The projectile launching device may include a frame, energy storing components, (such as two limbs), two cams, a launch string, and at least two cables. The ends of the launch string are attached to the two cams. Opposing ends of first and second cables are coupled to the first and second cams. A mid-portion of the first and second cables are slide-ably engaged with the first and second cable pulleys, respectively. The two cams are built as mirror images of each other, each cam having a cable payout track, a bowstring track, and a cable take-up track.

Abstract: Crossbows are provided having a barrel with one limb and one winding system mounted to each of two opposite sides of the barrel. Each winding system has a limb string connected to one of the limbs and a limb cam about which the limb string can be wound. The limb cams are connected to and positioned apart from arrow string cams by respective interconnects and an arrow string extends across the barrel from an arrow string cam on one side of the barrel to an arrow string cam on the other side of the barrel. The limbs provide first forces urging the limb strings to unwind from the limb cams and the interconnects receive the first forces and convey a second forces to the arrow cams urging the arrow cams to rotate so as to wind the arrow strings onto the arrow cams. The arrow string is drawn against such urging.

Abstract: A crossbow including first and second flexible limbs attached to a center rail. A first cam is mounted to the first bow limb and rotatable around a first axis. A draw string is received in string guide journals and is secured to first and second cams. The draw string unwinds from the string guide journals as it translates from a released configuration to a drawn configuration. Power cables are received in first and second power cable take-up journals on each of the first and second cams. As the crossbow is drawn from the released configuration to the drawn configuration the first and second power cables wrap onto the respective first and second power cable take-up journals and are displaced along the first and second axes away from the first and second planes of rotation of the first and second draw string journals.

Abstract: A compound bow system includes a compound bow with a bow string; a first pulley engaged with the bow string; a cam attachment having a smaller diameter than the first pulley and positioned on a front surface of the first pulley; and a trigger attached to the front surface of the first pulley; the first pulley and cam attachment are connected via the trigger; and the first pulley is so that when the trigger is engaged, the cam attachment holds a force.

Abstract: A compound bow may feature the ability to pre-store energy before the drawing back of the draw string. Various embodiments contemplate that this may allow an archer to draw back the draw string or cable, and upon reaching the let off region of the compound bow's draw profile, cause the pre-stored energy to be transferred to the energy being stored by the bow. Various embodiments contemplate that this addition of pre-stored energy may give the archer more energy, held in the draw string or cable, to transfer to an arrow upon release, propelling it at greater speeds than would have been achieved with a compound bow of equal draw weight that does not feature an energy storage mechanism.

Abstract: A projectile launching device includes self-timing without cam lean. The projectile launching device may include a frame, energy storing components, such as two limbs, two cam assemblies, a launch string, and at least one cable. The ends of the launch string are attached to the two cams. The cam assemblies are made having a cam body and a pivoting shaft with integrated cable track(s) coupled to each other. The two cam assemblies are built as mirror images of each other, or identical from side to side.

Abstract: A dual-cam archery bow with simultaneous power cable take-up and let-out journals. Each cam has power cable journals located on opposite sides of the draw string journal, where at least one of power cable journals is a helical journal.

Abstract: An improved archery bow includes an improved limb pocket assembly. When properly assembled, the limb pocket assembly includes a generally rectangular pocket body, at least one elongated bow limb, and at least one cylindrical fastener for aligning and securing the limb within the pocket body. When fully assembled, a limb screw positions the limb pocket assembly on the riser and secures the limb pocket to the riser of the archery bow. The limb pocket assembly disclosed herein substantially eliminates movement or shifting of the limbs within the pocket while shooting the bow and between shots, thereby providing a user with increased accuracy while shooting the bow.

Abstract: In at least one embodiment, an archery bow comprises a riser supporting a first limb and a second limb. The first limb supports an axle. A first fastener extends through the first limb and a second fastener extends through the first limb. The first and second fasteners each apply a compressive force to the first limb member. The axle extends between the first fastener and the second fastener.

Abstract: In some embodiments, an archery bow rotatable member comprises a body arranged to rotate about an axis and a string groove extending around a perimeter of the body. The string groove comprises a first depth portion and a second depth portion. The first depth portion comprises a valley and defines a first width. The second depth portion is oriented above the first depth portion. The second depth portion comprises opposed parallel sidewalls that define a second width greater than the first width.

Abstract: A crossbow in some embodiments may include two power cables and two power cable wheels. Each power cable may extend from a bowstring wheel, to a power cable wheel and then back to the bowstring wheel. A crossbow in some other embodiments may include four power cables and two power cable wheels. Each power cable may extend from a bowstring wheel, to a power cable wheel and then to a portion of the crossbow that does not move relative to the main beam.

Abstract: A retractable cocking assembly with hooks slidingly secured to a crossbow track. In a default or non-actuated position, the hooks are positioned forward of the uncocked bowstring. The hooks are drawn in a rearward direction to engage the bowstring and to pull the bowstring to its cocked position. When the bowstring is secured in a trigger catch in the cocked position, a user engages a release member that causes the hooks to return to the default position at the forward end of the crossbow track. A continuous force springs pull the hooks forward into the default position when the release member is engaged.

Abstract: In some embodiments, a crossbow comprises a stock, a fire control assembly and a bow portion. In some embodiments, the bow portion comprises a prod, a first limb, a second limb, a first rotatable member and a second rotatable member. The crossbow comprises a drawn orientation wherein the first rotatable member overlaps with the stock. In some embodiments, a reference line oriented orthogonal to a shooting axis intersects the stock and the first rotatable member. In some embodiments, the reference line is parallel to a rotation axis of the first rotatable member.

Abstract: Within a counteracting block and tackle system of compact arrow launching devices, a cable-suspended, moveable pulley block structure permits the through clearance of razor-edged arrow broadheads and employs a plurality of low-density, solid sheaves, aligned in series to guide the in-line purchase of bowstring. The moveable pulley block has a hollow-though structure that permits the radial clearance of an arrow broadhead, reducing potential external interference or contact with the razor edges of the broadhead. The pulley block is attached to cable terminals at one end which allow the pulley block to travel in cooperating with cables. The pulley block has low-density, solid sheaves that facilitate high velocity launching cord travel with low rotational momentum for reduced friction and wear. The sheaves and cable terminals, and any launching cord terminals, are aligned in series and share a single linear plane to minimize launching cord fleet angles, reduce friction and increase efficiency.

Abstract: A method for diagnosing an abnormality of an archery bow is provided. The method includes detecting, by one or more controllers, an operating condition of the archery bow from at least one onboard monitoring device of the archery bow, and comparing, by the one or more controllers, the operating condition to a threshold operating condition. The method further includes identifying, by the one or more controllers, an abnormal condition based on the comparing of the operating condition to the threshold operating condition, and presenting, by the one or more controllers, the abnormal condition to a user. A non-transitory computer readable medium for performing the method is also provided.

Abstract: A crossbow that includes a frame along which a movement trajectory of an arrow substantially passes, a first limb and a second limb connected to the frame on opposite sides from the movement trajectory. Each of said limbs having a loose end. The crossbow further includes a first cam having a first rotation axle and a second cam having a second rotation axle. The cams rotatably arranged on a first holder and on a second holder, respectively. The holders fixed on said frame on opposite sides from the movement trajectory. In addition, the crossbow is provided with a bowstring connecting the first cam and the second cam, a first cable connecting the first cam and the loose end of the first limb, and a second cable connecting the second cam and the loose end of the second limb.

Abstract: In some embodiments, an archery bow comprises a riser, a first limb and a second limb. The first limb supports a first rotatable member, which comprises a cam. The second limb supports a second rotatable member, which comprises a pulley comprising a peripheral groove. A ring comprising an elastomeric material is positioned in the peripheral groove. A power cable is arranged to be taken up on the cam as the bow is drawn. A string segment is arranged to wrap around the pulley. The string segment contacts the ring.

Abstract: A bow includes: a bow body; a first string cam provided on one end of the bow body to be rotatable, one end of a string being fixed to the first string cam; a first small diameter cam rotated with the first string cam, one end of a cable being wound on the first small diameter cam; a first large diameter cam rotated with the first string cam, one end of a cable being wound on the first large diameter cam; a second string cam provided on the other end of the bow body to be rotatable, the other end of the string being fixed to the second string cam; a second small diameter cam rotated with the second string cam, the other end of the cable being wound on the second small diameter cam; and a second large diameter cam rotated with the second string cam, the other end of the cable being wound on the second large diameter cam.

Abstract: In some embodiments, a bow comprises a first limb supporting a first rotatable member. The first rotatable member comprises a first bowstring track and a first terminal post. A second limb supports a second rotatable member. The second rotatable member comprising a second bowstring track and a second terminal post. A bowstring comprises a first end attached to the first terminal post and a second end attached to the second terminal post. The first bowstring track and the second bowstring track are oriented in a bowstring plane, and the first terminal post is laterally offset from the bowstring plane.

Abstract: An archery tension increaser and method are described herein. The tension increaser, in an embodiment, includes a plurality of couplers configured to be coupled to a structure of an archery bow. The structure extends along an axis. The couplers are configured to be coupled to one or more drivers. Each of the one or more drivers is configured to reposition the limbs of the archery bow to increase tension in a bow string coupled to the limbs to a tension level associated with shooting.

Abstract: A draw stop for a compound bow having a plurality of radii on perimeter with one common axis, axis is also coincident with mounting axis. The draw stop can be orientated in multiple positions to vary the draw length of a bow. No orientation pins or lugs are needed to achieve this.

Abstract: Provided is a crossbow cam comprising: a first cam axis; a second cam axis parallel to and offset from the first cam axis; a first power cord channel extending from the first surface along a first helical path having a first helix axis coincident with the first cam axis; and a second power cord channel extending from the second surface along a second helical path having a second helix axis coincident with first cam axis. The crossbow cam may further comprise a plate normal to the first cam axis, and defining a first plane therethrough, the plate having a first surface, a second surface opposite the first surface, and a perimeter surface extending between the first surface and the second surface, the perimeter surface defined by a bowstring channel extending around the first cam axis to define a path of varying radius about the first cam axis.

Abstract: A rotor support system and a related method are disclosed herein. The rotor support system, in an embodiment, includes a limb coupler and a rotor coupler. The limb coupler is configured to be moveably coupled to a crossbow limb of an archery crossbow so as to enable a first movement of the limb coupler relative to the crossbow limb. The rotor coupler is configured to be moveably coupled to a rotor of the archery crossbow so as to enable a second movement of the rotor relative to the rotor coupler. The limb coupler and the rotor coupler are operably coupled.

Abstract: Provided is a string suppressor for a crossbow comprising a first suppressor axis; a first suppressor plane containing the first suppressor axis; an elastomeric pad elongated along the first suppressor axis to define a first pad end, and a second pad end opposite the first pad end along the first suppressor axis; wherein the first pad end has a feature adapted for engagement with a crossbow riser; and wherein the second pad end has a string groove formed therein, the string groove being coextensive with the first suppressor plane, and has a cam groove formed therein, the cam groove being coextensive with the first suppressor plane, the cam groove being wide enough to provide a clearance fit with an associated cam.

Abstract: A photographic payload augmentation device includes a ring defining a ring body for mounting onto a photographic payload device and a plurality of weight plugs. The ring body has a plurality of recesses so that a respective weight may be selectively inserted within a respective recess. The ring body may be cylindrically shaped and may also include an inner sidewall, an outer sidewall, a top face and a bottom face. Each recess is defined by a recess sidewall and terminates at a bottom wall located intermediate the top face and the bottom face. The ring body may still further define a plurality of apertures wherein a respective aperture is located between respective recess sidewalls of adjacent recesses of the plurality of recesses. The bottom wall may also define a plurality of slots wherein a respective slot communicates with a respective recess of the plurality of recesses.

Abstract: A multi-draw weight archery bow with cable timing includes a shooting bow and a timing-draw device. The shooting bow includes a riser, a barrel, a first limb, a second limb, a first cam, a second cam, a bowstring, a first cable and a second cable. A rotational timing-draw device includes a rotational timing housing and a rotational timing hub. The rotational timing housing is mounted in a limb. A cable is secured to the rotational timing hub and the rotational timing hub is secured to the rotational timing housing. A multi-position draw weight and rotation device includes a multi-position and rotational draw timing hub and the rotational timing housing. The end of a cable is secured to one of four positions on the multi-position and rotation draw timing hub. A multi-position draw weight device includes a multi-position adjustable draw weight plate and a timing housing.

Abstract: In some embodiments, a crossbow comprises a stock, a fire control assembly and a bow portion. In some embodiments, the bow portion comprises a prod, a first limb, a second limb, a first rotatable member and a second rotatable member. The crossbow comprises a drawn orientation wherein the first rotatable member overlaps with the stock. In some embodiments, a reference line oriented orthogonal to a shooting axis intersects the stock and the first rotatable member. In some embodiments, the reference line is parallel to a rotation axis of the first rotatable member.

Abstract: A portable, compact, collapsible, adjustable, archery crossbow press for high poundage crossbows which have a rifle-like frame with an elongate channel and transverse limbs with outwardly located cams or wheels connected by a bow string. The crossbow press includes two limb clamp assemblies that releasably capture the transverse limbs about the cams. A flexible connector connects the two limb clamp assembles just above the rifle-like frame. A safety hook block fits within the elongate channel rearwardly of the crossbow string and is anchored to the rifle-like frame. A mechanical cocking device pulls the flexible connector rearwardly to secure it to a hook on the anchored safety hook block.

Abstract: The crossbow includes a frame, a first limb and a second limb connected to the frame, a first cam and a second cam mounted on opposite sides of an axis of arrow travel, a string connecting the first cam and the second cam, a first cable connecting the first cam and the first limb, and a second cable connecting the second cam and the second limb. The first cam and the second cam are mounted on a holder of the first cam and a holder of the second cam. The first cam is arranged entirely between the axis of arrow travel and a loose end of the first limb. The second cam is arranged entirely between the axis of arrow travel and a loose end of the second limb. The crossbow reduces overall dimensions of an arrow throwing device while maintaining arrow speed by changing a traditional position of cams.

Abstract: In some embodiments, a bow comprises a first limb supporting a first rotatable member. The first rotatable member comprises a first bowstring track and a first terminal post. A second limb supports a second rotatable member. The second rotatable member comprising a second bowstring track and a second terminal post. A bowstring comprises a first end attached to the first terminal post and a second end attached to the second terminal post. The first bowstring track and the second bowstring track are oriented in a bowstring plane, and the first terminal post is laterally offset from the bowstring plane.

Abstract: In some embodiments, an archery bow comprises a riser, a first limb supported by the riser and a second limb supported by the riser. A first rotatable member is supported by the first limb and arranged to rotate on a first axis and a second rotatable member is supported by the second limb and arranged to rotate on a second axis. The first rotatable member comprises a first bowstring track comprising a first portion and a second portion, the first portion having a constant radius and a center located on the first axis, the second portion having a varying radius. A bowstring comprises a first end attached to the first rotatable member and a second end attached to the second rotatable member.

Abstract: An archery draw stop system and method are disclosed herein. The archery draw stop system, in an embodiment, includes a limb engager configured to be mounted to a limb portion of a limb of an archery bow. The archery draw stop system also has a draw stopper portion configured to engage a member that is coupled to a rotary of the archery bow.

Abstract: A pulley assembly for a compound archery bow comprises an axle, a draw cable pulley, and a pair of split-buss let-out pulleys positioned on opposite sides of the draw cable pulley. Each secondary cable of a split-buss end of a power cable is wound in a spiral arrangement around a corresponding split-buss let-out pulley. As the bow is drawn, the pulley assembly rotates, the draw cable pulley lets out a draw cable, and each split-buss let-out pulley lets out the corresponding secondary cable. The spiral arrangement results in lateral movement, away from the draw cable pulley, of a contact point of the corresponding secondary power cable on each split-buss let-out pulley as the bow is drawn. The spiral arrangement can include a corresponding spiral groove on each split-buss let-out pulley.

Abstract: The present invention is a riser cam bow having a first bow limb and second bow limb extending respectively from a first and second riser end. Each bow limb having a first end and a second end, said first end of said each bow limb being attached to the riser end. Each bow limb attached to each first riser end in a reverse manner, where the first end of each bow limb attaches to an outside surface of each riser end so that each bow limb follows along said outside surface of each riser end towards a middle of each riser and travels past the outside surface and an inside surface such that each second end of each bow limb is between the inside surface and the user.

Abstract: A pulley assembly for a compound bow comprises a draw cable pulley, a power cable pulley attached to the draw cable pulley, and a cable deflector attached to the power cable pulley or the draw cable pulley and adjustable among multiple deflector arrangements. The cable deflector engages the power cable during a let-off portion of drawing of the bow after the power cable is taken up by the power cable pulley. Different deflector arrangements result in corresponding draw force curves for the bow that differ from one another with respect to one or both of (i) draw force let-off rate with respect to draw distance or (ii) hold weight at full draw. The adjustment can be performed without using a bow press and without derigging the bow.

Abstract: A bow system and an idler wheel for the bow system (1) is provided. The bow system comprises a first limb (3) and a second limb (4), a riser (2) interconnecting the first (3) and second (4) limbs, a first (5) and a second (6) idler wheel, and a bowstring (9) arranged between the first (5) and the second (6) idler wheel. The first idler wheel (5) is rotationally journalled in a first end portion of the riser (2) and the second idler wheel (6) is rotationally journalled in a second end portion of the riser (2) such that both idler wheels (5, 6) are stationary when the bow system (1) is tensioned.