53results about "Arrows" patented technology

A stabilizer for an aerial projectile comprises a conical portion with a first longitudinal axis, a first end of a lesser diameter, and a second end of a greater diameter. A tubular portion having a second longitudinal axis is coaxially conjoined at the first end of the conical portion. An external surface of the conical portion is engrailed or invected by a radial succession of flutes alternating with a radial succession of splines. For invected surfaces, at least a portion of any one flute from among the radial succession of flutes may comprise a planar surface. The surfaces of the flutes and splines may be longitudinally straight or may be helical surfaces. The stabilizer may be made of plastic and a portion of the plastic may be a recycled plastic material.

A method of engaging an arrow with an anti-dry fire system on a crossbow and an arrow assembly for crossbow that engages the anti-dry fire system behind the draw string. Matched weight arrows having lighted and non-lighted nocks are also disclosed.

The utility model discloses a kinetic energy and potential energy conversion guidance arrow. The arrow comprises an arrow shaft, an arrow head installed on the front portion of the arrow shaft and an arrow tail installed on the tail portion of the arrow shaft. The arrow shaft is a hollow rod, and an energy storage device used for converting kinetic energy into potential energy and then storing and transferring the potential energy is arranged in an inner cavity of the arrow shaft. The energy storage device comprises a sliding block capable of moving in the inner cavity and a spring arranged on one side of the sliding block. The arrow has the advantages that the hollow arrow shaft is adopted, the energy storage device composed of the compression spring and the sliding block is installed in the hollow arrow shaft, kinetic energy can be converted into elastic potential energy to be stored and transferred, meanwhile, the gravity center of the arrow body is adjusted, the stability when the arrow is shot is improved, the instability torsional pendulum phenomenon is eliminated, and the shooting range and precision after the arrow is shot are improved; the arrows are light arrows and are matched with the internal structure of the arrow shaft to facilitate the adjustment of the gravity center of the arrow body; the arrow head and the arrow tail are detachable, so that the integral assembly is more convenient; the same internal structure can be applied to arrows or crossbow arrows, and the application scene is wider.

The disclosed technology includes an arrowhead blade retention device. In one example, the arrowhead blade retention device may include a body including a central body and a plurality of ears that extend outward from the central body. A plurality of blade retainers may be defined at least partially within the plurality of ears and may include retainer outer walls. The plurality of blade retainers may be sized to receive arrowhead blades. A plurality of lateral walls may be defined between the retainer outer walls and an outer wall of the body.

Disclosed herein is a multifunctional broadhead and universal ferrule for an archery arrow that has both mechanical and fixed configurations. The disclosure is directed to multifunctional mechanical arrow broadheads that deploy blades upon contact with a target and the ability to transition to a broadhead configured with the blades in a deployed and fixed position prior to target contact.

A fixed blade, two-blade broadhead for use on a hunting arrow that employs multiple, flat surface facets that automatically hold the correct bevel angle for edge sharpening when the broadhead is placed upon a sharpening stone.

An insert for securing a shaft of an arrow to a cutting tip includes a body member extending between a distal end and a proximal end, a stem extending from the distal end of the body member and formed integrally with the body member, the stem including a protrusion extending about a first end of the stem in a circumferential direction, and a sleeve including a countersink. The countersink engages the protrusion of the stem, such that, when the sleeve is disposed about the stem and positioned adjacent the distal end of the body member, the sleeve is coaxial with the stem. The cutting tip is secured to the proximal end of the body member.

The utility model relates to the field of arrow shafts, in particular to a luminous arrow tail which is provided with an arrow tail body, a luminous body, a battery and a string clamp seat, a placement cavity is formed in the middle of the arrow tail body, and the luminous body and the battery are arranged in the placement cavity; the luminous body is provided with a positive pole supporting foot and a negative pole supporting foot, the positive pole supporting foot is connected with the positive pole of the battery, the negative pole supporting foot is connected with the metal connecting wire, and the negative pole of the battery is connected with the negative pole connecting wire; according to the arrow tail, the arrow tail body is provided with the containing cavity, the light-emitting body and the battery are arranged in the containing cavity, and efficient utilization of space is achieved; the string clamp seat is used as a circuit on-off control part, when the string clamp seat is in contact with the metal connecting wire, the circuit is conducted, and the luminous body emits light, so that the circuit control is simple, direct and easy to operate and understand, the triggering function of arrow tail light emitting can be accurately realized, a switch button does not need to be additionally mounted, the structure of the arrow tail is simplified, and the cost is reduced. And the assembly difficulty and cost in the production process are reduced.

To provide an arrow feather that realizes high stability with a smaller blade area and can widen the tuning tolerance range. [Solution] The archery feather of the present invention is characterized by having a plurality of dimple structures on the surface of the feather. The dimple structures cause turbulence in the boundary layer on the surface of the feather, delaying separation and achieving high stability even with a small feather area.

An apparatus for adding weight to a rocket and a system and method for correcting a flight trajectory of a rocket with the added weight are disclosed and described. The arrow may include a compensator designed to fit on the stem of the arrow as a sleeve, and the diameter of the compensator is greater than the diameter of the stem of the arrow. The sleeve of the arrow is configured to enhance the structural strength of the front portion of the arrow shaft portion, and may be configured to enable a user to aim the arrow with a bow that has been tuned to a standard arrow. A sleeve of an arrow may be secured to the arrow by securing an arrow to an arrow insert having a frictional securing mechanism, wherein the arrow is secured to the arrow insert through a bore in the arrow sleeve.

The utility model discloses an arrow which comprises an arrow tube, at least two arrow wings are arranged on the peripheral side of the arrow tube at equal intervals, and the at least two arrow wings are symmetrical. One end of the connecting piece is combined with one end of the arrow tube, and the other end of the connecting piece is provided with a limiting part; one end of the arrow head is provided with at least one blade, the other end of the arrow head is provided with an assembling part, the assembling part movably penetrates through the limiting part to limit the arrow head, and the extending direction of the at least one blade and the extending direction of the at least two arrow wings are in the same horizontal plane.

A stabilizer for an aerial projectile comprises a conical portion with a first longitudinal axis, a first end of a lesser diameter, and a second end of a greater diameter. A tubular portion having a second longitudinal axis is coaxially conjoined at the first end of the conical portion. An external surface of the conical portion is engrailed or invected by a radial succession of flutes alternating with a radial succession of splines. For invected surfaces, at least a portion of any one flute from among the radial succession of flutes may comprise a planar surface. The surfaces of the flutes and splines may be longitudinally straight or may be helical surfaces. The stabilizer may be made of plastic and a portion of the plastic may be a recycled plastic material.

The utility model relates to the technical field of arrow shaft manufacturing, in particular to a crossbow arrow which is provided with an arrow shaft, an arrow head is arranged at the front end of the arrow shaft, a string clamp is arranged at the tail end of the arrow shaft, arrow feathers are arranged at the tail end of the arrow shaft and comprise main feathers and auxiliary feathers, a string clamp seat is arranged between the arrow shaft and the string clamp, a string groove is formed in the string clamp seat, and a string clamp positioning groove is formed in the string clamp seat. The string clamp is provided with a string clamp positioning protrusion, when the string clamp positioning protrusion is inserted into the string clamp positioning groove, the main feather is perpendicular to the string groove, by arranging the string clamp positioning protrusion and the string clamp positioning groove, after the string clamp is installed on an arrow shaft, the arrow feather and the string clamp are kept at the set position, and when the string clamp is damaged, the arrow feather and the string clamp are not damaged. By means of accurate matching of the string clamp positioning protrusion on the string clamp and the string clamp positioning groove in the string clamp seat, the string clamp can be accurately installed on the string clamp seat, convenience and rapidness are achieved, it can be guaranteed that a main feather is perpendicular to the string groove during installation each time, stability and accuracy of an arrow during launching are guaranteed, and high shooting precision is kept.

In some embodiments, an arrow comprises a shaft and a notch in an end of the arrow. The notch is arranged to receive a bowstring. A first finger recess and a second finger recess are located in proximity to the notch. The first finger recess and the second finger recess comprise opposed diverging surfaces.

A muzzle arrangement for a speargun including a stock, the muzzle arrangement comprising: (a) a body including an aperture; and (b) a roller assembly including a rotatable shaft for a roller for an elastic band member, wherein the rotatable shaft is adapted to be removably mounted in the aperture via a bearing member and the roller is fixed relative to the rotatable shaft.

The utility model discloses a novel arrow pulling device, and relates to a bow and arrow auxiliary tool, in particular to a mechanical arrow pulling device which is suitable for outdoor and competition environments and can realize efficient clamping and easy pulling of arrows. The device comprises an arrow clamping mechanism, a manual driving rod, a fixed seat, a sliding rod and a hinge rod, a fixed sleeve is arranged on one side of the arrow clamping mechanism, the sliding rod penetrates through and is slidably connected into the fixed sleeve, and the bottom of the sliding rod is fixedly connected with the fixed seat; a hinge rod is hinged to the top of the sliding rod, and the other end of the hinge rod is movably connected to the top of the manual driving rod. The fixing base is a cylindrical base, and the sliding rod and the fixing base are of an integrated structure. When in use, the fixing seat is abutted against the cutting target to form a supporting seat for pulling out an arrow. The arrow pulling device is labor-saving in arrow pulling operation and suitable for being repeatedly used for a long time; the whole arrow pulling process does not damage the arrow shaft surface; meanwhile, the device is compact in structure and convenient to carry; the device can adapt to arrows of different sizes and has high universality.

Arrow chain structure, including: several arrow chain bodies (2), each having a base (20), wherein one side of the base (20) is provided with an arrow receiving recess (23) and a pivoting part (25), and the other side of the pivoting part (25), which is not provided with an arrow receiving recess (23), is provided with a receiving recess (220); several extension parts (3), each having a receiving end (30) and a pivoting end (31), wherein a receiving end (30) is housed in the corresponding receiving recess (220) and a pivoting end (31) is pivotably connected to the corresponding pivoting part (25); wherein, after the extension parts (3) have been combined with the corresponding arrow chain bodies (2), all arrow chain bodies (2) are pivotably connected to each other by the pivot parts (25) to form a chain-like arrow chain structure.

An arrow vane having a contour that reduces drag and noise. The arrow vane includes two main components, a vane fin and a vane bas. A straight bottom or base edge of the vane fin is fixedly attached to the vane base, which is configured for attachment to the shaft of an arrow. The edge profile of the vane fin extending above the base 150 is defined by leading edge having a steep forward section and a sloping rearward section, a trailing edge and a rounded transition edge connecting the leading and trailing edges.

A toy dart includes a deformable cap that safely impacts a target. The cap includes pairs of polygonal apertures formed on the outer surface of the cap which form substantially parallel hollow passages that provide spaces that allow the cap to deform upon impact with a target.

The utility model relates to the technical field of arrow shaft manufacturing, in particular to a variable-diameter carbon-coated aluminum arrow shaft which is provided with an aluminum pipe, a carbon fiber layer is arranged on the outer edge of the aluminum pipe, and the carbon fiber layer is sequentially provided with a first cylindrical section, a first circular truncated cone section, a second cylindrical section, a second circular truncated cone section and a third cylindrical section. The carbon fiber layer comprises a spiral winding carbon fiber layer arranged inside and a rolled carbon fiber layer arranged outside. By arranging the spirally wound carbon fiber layer and the rolled carbon fiber layer, the strength of the arrow shaft is improved, the spirally wound carbon fiber layer enables the carbon filaments to be distributed in the transverse direction and the longitudinal direction, and in the flying process of the arrow shaft, the transversely distributed carbon filaments can enhance the transverse external force resisting capacity of the arrow shaft; the longitudinally distributed carbon filaments can improve the strength of the arrow shaft in the axial direction and are not prone to tensile deformation or breakage in the length direction, the impact resistance of the arrow shaft can be enhanced through the multi-layer smooth filament rolling structure, the arrow shaft is protected against damage, and normal use and flight performance of the arrow are guaranteed.

Crossbow bolt for repeating crossbows with magazine, characterized in that the bolt is formed in two parts and has a tubular shaft (2) made of carbon fiber reinforced material and a coaxially arranged solid end element (3) made of carbon fiber reinforced material, wherein the end element (3) has a positioning notch (5) incorporated into the solid material for positive locking in the magazine and wherein the shaft (2) and end element (3) have essentially the same outer diameter.

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.

This utility model discloses a drop arrow for killing wild boars using a drone, relating to the field of drone accessory technology. The utility model includes an arrow shaft with an arrowhead on one side and fletching on the other side. A fixing component is provided on one side of the arrow shaft, including a mounting post installed on the side of the arrowhead. This utility model significantly improves the flexibility and adaptability of the drop arrow through modular design. The detachable connection structure between the arrow shaft and the arrowhead allows for quick replacement of the arrowhead or adjustment of the counterweight, thereby precisely adjusting the striking force for wild boars of different sizes. The counterweight is fitted onto the surface of the arrow shaft, and the weight can be increased or decreased according to actual needs, avoiding the drawback of traditional one-piece drop arrows that require complete replacement. The design of the fixing sleeve and the fletching ensures flight stability, while the interlocking structure of the square groove and the square post further prevents fletching deviation, ensuring the drop arrow maintains a precise trajectory after deployment and effectively improving the hunting success rate.

The utility model provides a carbon fiber arrow shaft which comprises a shaft body and a carbon fiber layer wrapping the outer side of the shaft body, the carbon fiber layer comprises a head section, a first curved surface transition section, a straight middle section, a second curved surface transition section and a tail section which are sequentially connected, the tail section is connected with arrow feathers, the head section is provided with an arrow, the length of the head section is a, the length of the straight middle section is b, and the length of the tail section is c, wherein b > a > c. According to the carbon fiber arrow shaft provided by the utility model, the carbon fiber layers with different thicknesses are coated on the outer surface of the arrow shaft to form an integrated structure, so that on one hand, the deflection of the arrow shaft is adjusted to meet the requirement of attitude adjustment when an arrow flies in wind, and on the other hand, the influence of air resistance on the flight path of the arrow is reduced; and the swing amplitude of the arrow in the flying process is further reduced, so that the archery accuracy is improved.

A broadhead includes a body, a blade member, and a plunger. The body defines a target penetrating end. The blade member is positioned partially within an inner volume of the body. The blade member is configured to rotate and translate relative to the body by a pin that is fixedly coupled with the body being received through a slot of the blade member. The blade member is transitionable between a retracted position and a deployed position. The plunger is bias by a spring in a longitudinal direction towards the target penetrating end. The plunger is configured to be received within a recess of the blade member when the blade member is in the retracted position.

A broadhead includes a body, a blade member, and a plunger. The body defines a target penetrating end. The blade member is positioned partially within an inner volume of the body. The blade member is configured to rotate and translate relative to the body by a pin that is fixedly coupled with the body being received through a slot of the blade member. The blade member is transitionable between a retracted position and a deployed position. The plunger is bias by a spring in a longitudinal direction towards the target penetrating end. The plunger is configured to be received within a recess of the blade member when the blade member is in the retracted position.