46 results about "Bowstring" patented technology

A traditional bow, includes a riser with an upper and lower end. A first limb member provided at the upper end of the riser, the first limb member includes a first and second body with co-planar surfaces and proximal and distal ends. the proximal ends of the first limb member are coupled to the upper end of the riser. A first tip couples the distal ends of the first and second bodies and includes a first notch extending radially from the first tip. A first longitudinal slot extends between the first and second bodies at least partially between the upper end of the riser and the first tip. A second limb member provided at the lower end of the riser, the second limb member includes a third and fourth body with co-planar surfaces and proximal and a distal ends, the proximal ends of the second limb member are coupled to the lower end of the riser. A second tip couples the distal ends of the third and fourth bodies and includes a second notch extending radially from the second tip. A second longitudinal slot extends between the third and fourth bodies at least partially between the lower end of the riser and the second tip. A bowstring is operatively coupled between the first limb notch and second limb notch and passes through the first and second longitudinal slots. The first and second limb notches pass through three or more states as the bowstring is drawn from an initial resting position to a maximum draw length. The first and second notches being furthest apart at a first state. closest together in an intermediate state, and at a position between the furthest and closest position in a final state. A peak draw force occurs at an intermediate draw length and a reduced draw force occurs at a maximum draw length.

In some embodiments, an archery bow comprises a riser, a first limb and a second limb. A first rotatable member is arranged to rotate about a first axis and a second rotatable member is arranged to rotate about a second axis. A bowstring is attached to the first rotatable member and arranged to bias the first rotatable member in a first rotational direction about the first axis. A power cable is attached to the first rotatable member. A servicing string is arranged for attachment to the first rotatable member and arranged to bias the first rotatable member in a second rotational direction about the first axis.

The invention relates to a bow (1) for playing a string instrument, comprising a bow stick (2) having a first end and a second end, a bow tip (4) arranged at the first end of the bow stick (2), a frog (5) arranged at the second end of the bow stick (2), a bowstring (6) which has a multiplicity of bow hairs and is tensioned between the bow tip (4) and the frog (5), wherein the bow stick (2) is designed in two parts, comprising a first bow stick part (10) and a second bow stick part (11), wherein the first bow stick part (10) has a reduced diameter at its end (12) and the second bow stick part (11) has a complementary recess (13) at its end facing the first bow stick part (10) such that the first bow stick part (10) and the second bow stick part (11) can be pushed or screwed into one another or releasably connected to one another in order to form a continuous bow stick (2).

The utility model relates to the technical field of modern composite bows, in particular to a composite bow with a sliding rail device, which comprises a bow body and the sliding rail device, one end of the sliding rail device is fixedly connected with the bow body, the other end of the sliding rail device is provided with a balance rod, one end of the balance rod is connected with the sliding rail device, and the other end of the balance rod assists in pulling a bowstring. The sliding rail device is provided with a first fixing base, a first sliding block and a first guide rod, one end of the first fixing base is detachably and fixedly connected to the bow body, the other end of the first fixing base is fixedly connected with the first sliding block, and the first guide rod is matched with the first sliding block to form sliding connection. The sliding rail device is further provided with a second fixing base, a first sliding rail and a first guide rail, one end of the second fixing base is detachably and fixedly connected to the bow body, the first sliding rail is installed at the other end of the second fixing base, and the first guide rail and the first sliding rail are matched with each other to form sliding connection. In conclusion, through the ingenious mechanical structure design, the bowstring pulling process is converted into stable sliding, shaking is effectively reduced, and the shooting precision and stability are improved.

The utility model discloses a placing device of a U-shaped string puller, which is mainly used for placing the string puller and comprises a bow body, the string puller, a bowstring, a main control box and a string control assembly, a mounting frame is arranged at the part of the main control box, a placing groove is formed between the mounting frame and the main control box, and the placing groove is provided with a front opening and two side openings; after the bowstring is wound, the string pulling device is pulled out of the original position, then moves upwards and is inserted into the corresponding erecting groove, the string pulling device part really enters the erecting groove, and the string pulling device part is located behind the position of the bowstring (in the winding state). By means of the arrangement, the string puller can be firmly arranged in the erecting groove and cannot interfere, interfere and touch the winded bowstring in the moving process, the dangerous situation that the winded bowstring is disengaged is prevented, and the operation safety of a user is protected.

The application relates to the field of archery equipment, in particular to a bow with a bowstring protection module, which comprises a bow body, a bowstring protection module arranged on the outer surface of a bow handle, and a fastener for fixedly connecting the bowstring protection module. The bow body is provided with a positioning protrusion and a fixing lock hole for mounting the bowstring protection module in the contact area of the bowstring. The bow can significantly reduce the direct friction between the bowstring and the bow handle while maintaining the traditional anti-falling function of the bowstring, avoid damaging the surface decoration coating of the bow handle, and improve the durability and aesthetics of the bow.

A set of archery cam devices for an archery bow is disclosed herein, including first and second cam devices configured to be rotatably coupled to first and second limbs of an archery bow, and having first and second bowstring sheaves, first and second control sheaves, and first and second power cable sheaves. When the archery bow is vertically oriented: a vertical riser plane extends through the riser ends; a vertical bowstring plane extends through the first and second bowstring sheaves; a vertical control plane extends through the first and second control sheaves; first and second vertical power cable planes extend through the first and second power cable sheaves; the vertical bowstring plane and the vertical control plane are located on opposite sides of the vertical riser plane; and the first and second vertical power cable planes are located on opposite sides of the vertical riser plane.

An unstringing structure for archery devices is installed in a control housing in conjunction with a safety module and a trigger module of an archery device. The unstringing structure includes a control member that partially extends through an opening in the control housing and retracts into an internal containing chamber of the control housing. It incorporates a push rod member with a clamping portion and a pushing portion, along with two elastic members strategically positioned between components. The unstringing structure safely releases bowstring tension through a controlled mechanism. When the control member is pressed relative to the control housing, it simultaneously disengages both the safety module and the trigger module relative to the bowstring, allowing for controlled, gradual movement of the bowstring to its unstrung position. The unstringing structure prioritizes user safety while maintaining equipment longevity.

The utility model belongs to the technical field of bow and arrow equipment, and particularly relates to a bow and arrow folding structure. The bow and arrow folding structure comprises a bow arm, a bow string, a folding connecting assembly, a locking assembly and a quick dismounting and mounting bow string assembly. The bow arm comprises a main bow arm and two branch bow arms, the two branch bow arms are connected to the two sides of the main bow arm through folding connecting assemblies respectively, and the branch bow arms and the main bow arm are fixed through locking assemblies; the ends, away from the bow main arm, of the bow branch arms are each provided with a quick dismounting and mounting bowstring assembly, and the two ends of the bowstring are arranged at the quick dismounting and mounting bowstring assemblies at the side ends of the bow branch arms correspondingly.

The portable unmanned aerial vehicle ground target device comprises a capsule mechanism and a launching mechanism, the capsule mechanism comprises a capsule body, a supporting rod, a high-pressure gas cylinder and a pulling rope, the top end of the supporting rod is connected with the bottom end of the capsule body, and the high-pressure gas cylinder is arranged in the capsule body; an exhaust port of the high-pressure gas cylinder is communicated with an inner cavity of the capsule body, identification pigment is arranged in the inner cavity of the capsule body, and one end of the traction rope is connected with an exhaust switch of the high-pressure gas cylinder; the launching mechanism comprises a crossbow arm, a crossbow, a bowstring and a triggering mechanism, the crossbow is installed on the crossbow arm, the two ends of the bowstring are connected with the two ends of the crossbow respectively, and a guide groove is formed in the crossbow arm in the length direction of the crossbow arm. The method has the advantages that unmanned aerial vehicle aerial photography and aerial survey canopy targets can be formed on tree crowns to serve as ground phase control points for unmanned aerial vehicle recognition, and clear recognition marks can be formed in images; the whole device is compact in structure, suitable for being carried and used in dense forest areas, low in use cost, easy to operate and easy to popularize.

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.

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.

An adjustable string-stopping rubber structure and a composite bow comprising the same, the adjustable string-stopping rubber structure comprises a string-stopping rubber, a support main body and a string-dividing assembly, the string-stopping rubber is arranged on the support main body, and the support main body is connected with the string-dividing assembly. The bow body of the composite bow is provided with an adjustable string stopping rubber structure through a composite bow middle plate, and the composite bow middle plate and the string separating assembly are fixed into a whole. The front-back position of the string stopping glue on the composite bow can be adjusted according to shooting requirements of different users, the bowstring is effectively prevented from excessively rebounding, and the bowstring and a bow body are protected.

The invention relates to the technical field of portable crossbows, in particular to a spiral spring power-based portable crossbow without a bow arm, which comprises a crossbow body and a bowstring, the bowstring is movably mounted above the crossbow body, fixed pulley blocks are fixedly mounted on two sides of the crossbow body, movable pulley blocks are movably mounted on two sides of the crossbow body, and the movable pulley blocks are movably mounted on two sides of the crossbow body. And the bowstring is wound on the outer sides of the two fixed pulley blocks and the two movable pulley blocks. Through resetting of a sliding block and a winding roller, it is ensured that the winding assembly can continuously complete winding operation, the tedious steps of repeated operation are reduced, the use convenience and the continuous combat ability are greatly improved, through cooperation between a coil spring and a movable pulley block, efficient conversion and stable transmission of tension of a bowstring in the winding and releasing process are achieved, and the winding efficiency is improved. And the second rolling wheel abuts against the arrow, so that the second rolling wheel drives the arrow to move in the arrow filling process, it is ensured that the arrow tail of the arrow abuts against the bowstring, and the use safety and stability are improved.

This invention relates to the field of composite bow technology, specifically to a rotary composite bow stop block. The stop block is rotatably mounted and cylindrical. Its surface has an annular groove for constraining the bowstring. When the bowstring collides with the stop block, a cutting action also occurs between the bowstring and the stop block. Therefore, the stop block's rotation significantly reduces wear on both the stop block and the bowstring, while also reducing noise. This reduces the reaction force of the stop block on the bowstring, thus promoting stability of the magnetic base and improving shooting accuracy. Furthermore, the constraint of the bowstring by the annular groove further enhances the accuracy of steel ball firing.

The utility model relates to the technical field of sports goods, specifically, relates to a bow. The bow comprises a bow body, the bow body is installed with a bowstring, the bow body is installed with a push-pull rod capable of moving forwards and backwards, the push-pull rod has a launching channel extending in the forward and rear direction, the front end and both sides of the launching channel are open, the bowstring passes through the side of the launching channel, and the push-pull rod is installed with an operating device for fixing and releasing the bowstring. The application has the advantages that: 1, the combination of the push-pull rod and the operating device is used to pull and release the bowstring, which is more convenient and less likely to hurt the hand compared with directly pulling the bowstring with the fingers in the traditional method; 2, arrows or projectiles are launched through the launching channel, are guided through the launching channel, are convenient to aim at, have higher precision, and are favorable to improving the result.

1. The name of the design product: the reverse curve bow handle (master). 2. The use of the design product: used for fixing the bowstring by connecting the bow wing to make a reverse curve bow. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The slingshot comprises a slingshot frame and an arrow, slingshot arms are fixedly installed at the two ends of the top of the slingshot frame, a supporting arm is fixedly installed on one side of each slingshot arm, and a rubber fixing buckle and a first pulley are sequentially and fixedly installed at the top end of each slingshot arm from outside to inside. A second pulley is fixedly installed at the top end of the slingshot arm, rubber bands are fixedly installed on a rubber fixing buckle, a bowstring is fixedly connected between the pair of rubber bands, a barb is fixedly installed on the wall face of one side of the arrow, and a handheld groove is formed in the tail end of the arrow. The supporting arm and the slingshot arm are both provided with the pulleys, when the rubber band bypasses the pulleys, the distance of the rubber band is increased, equivalently, the arm extension length is increased in a disguised mode, the rebound speed of the rubber band can be increased under the same strength of the rubber band, and the upper limit of the power of the slingshot is increased.

The application provides a bow-shaped bouncing robot, which is composed of a power device, a bouncing system and a controller. The bouncing system comprises a winding rope mechanism and at least three bow-shaped elastic strips, the bow-shaped elastic strips are provided with bowstrings, the winding rope mechanism is used for pulling the bowstrings to store power for the bow-shaped elastic strips, and the controller is used for controlling the forward and reverse rotation of the power device. The power device drives the winding rope mechanism to realize continuous jumping of the robot. The bow-shaped bouncing robot has the characteristics of rigid body and soft body jumping robots, and has the characteristics of low cost, easy disassembly and assembly, continuous bouncing, small size and flexibility, and adaptability to various complex environments.

A crossbow can include a de-cocking system to allow a bowstring to be transitioned from a drawn mode to an undrawn mode. The de-cocking system can include a sled that engages the bowstring to draw it to a drawn mode and / or lets down the bowstring to the undrawn mode during a de-cocking operation. The sled can include a stop that prevents the sled or bowstring from engaging a safety and / or interfering with transition of the safety from a safety on mode to a safety off mode. The safety can be manually actuated from the safety on mode to the safety off mode. With the safety in the off mode, upon actuation of a trigger assembly, the sled assists transition of the bowstring to the undrawn mode. The stop can be reconfigured to a neutral mode so the sled can be used to draw the bowstring. A related method is provided.

The saw bow comprises a main body assembly, the main body assembly comprises a bowstring box, a bowstring groove is formed in the lower portion of the bowstring box, and a main grip is connected to the upper portion of the bowstring box; the installation space adjusting assembly comprises a left bowstring and a right bowstring, the upper portion of the left bowstring and the upper portion of the right bowstring are inserted into the bowstring groove and rotationally connected to the bowstring box, the left bowstring and the right bowstring are symmetrically arranged about the center of the bowstring box in the left-right direction, and the left bowstring and the right bowstring swing in the opposite directions; the saw blade is connected to the lower ends of the left bowstring and the right bowstring; the saw blade with the corresponding length can be installed according to the saw depth requirement of a to-be-machined part, the tensioning force of the saw blade is convenient to adjust, and the technical problems that saw blades with different lengths are inconvenient to install in an existing saw bow and the tensioning force of the saw blade cannot be adjusted are solved.

The utility model discloses a bow and arrow convenient to store, which belongs to the technical field of the bow and arrow, and comprises bow arms, the two bow arms are symmetrically and rotatably arranged at two ends of a grab handle, a bowstring is tensioned between the end parts of the two bow arms, the bow arms are lapped on push rods with smooth surfaces, and the two push rods are rotatably connected to corresponding connecting seats. The other end of the connecting base is fixedly connected to an output shaft of the motor, the motor is fixedly connected to the shell, and the connecting point of the connecting base and the motor is coaxial with the connecting point of the bow arm and the grab handle. The fastening assembly is used for limiting the grab handle; the positioning assembly is used for fixing the relative position of the bow arm and the grab handle; the bow and arrow assembling device can quickly complete bow and arrow assembling.

A cam for an archery bow having flat segmented power cable tracks or journals. The cam preferably includes five stacked journals sharing a common axis. The middle journal receivable for a bowstring with opposing mirrored and segmented cable journals above and below the bowstring journal plane. Alternately, the cam having three stacked journals; a bowstring journal and two segmented cable journals. A bowstring and cable(s) interact with the cam(s) and other components to fire a projectile, such as an arrow.

The invention discloses a bow slice and a preparation method thereof, and the method comprises the steps: S1, setting known parameters: arrow shaft mass m, arrow shaft speed V, distance d between a bowstring and a bow handle after the bowstring is loaded, and width r of the bow handle at a single side, and inputting the known parameters into SOLIDWORKS cartographic software; s2, performing simulation measurement on the initial bow slice to obtain a corresponding initial measurement parameter, and calculating according to the initial measurement parameter to obtain an elastic coefficient K of the initial bow slice; s3, selecting a material of a bow slice, constructing a formed bow slice in SOLIDWORKS cartographic software according to known parameters and initial measurement parameters, and performing simulation test to obtain an actual elastic coefficient of the formed bow slice and an actual speed v of an arrow shaft; s4, K is compared with k, and when the difference between K and V and v is smaller than 3%, the product is a qualified product and is used for production and preparation. According to the method, the 3D model is modified through simulation testing, preparation of the bow piece is completed, the efficiency is improved, and the cost is saved.

The utility model discloses an automatic bowstring adjusting composite bow, which belongs to the technical field of composite bows and comprises a bow wheel, a step portion is arranged on the bow wheel, a long circular through hole penetrating through two end faces of the bow wheel is arranged on the step portion, and a balance rod group is arranged in the through hole and comprises a swing rod and a connecting rod. The swing rods penetrate through the through holes and are symmetrically arranged on the two sides of the through holes, and the connecting rods penetrate through the through holes and the swing rods in the radial direction and enable the swing rods to swing in the through holes. The double bowstrings are connected to the two ends of the swing rod, the connecting rod is arranged at the position of the through hole to form a rotating shaft, and the swing rod can rotate along with the connecting rod to achieve the swing effect in the through hole. When the bowstring stresses (tensions) on the two sides of the swing rod are different, the swing rod is driven to rotate until the bowstring stresses on the two sides are the same, the position of the swing rod can be kept stable, and therefore when the composite bow is used, the tensions of the double bowstrings of the composite bow can be automatically adjusted in the string pulling process.

The utility model discloses a composite bow bowstring hanging point fine adjustment mechanism which comprises an installation seat, an adjusting rod and a bowstring hanging point connecting piece, the installation seat is fixedly connected with a bow arm of a composite bow, the installation seat is provided with an adjusting groove and an adjusting hole, the adjusting hole penetrates through the installation seat, the adjusting groove is formed in the installation seat and communicated with the adjusting groove, and the adjusting rod is connected with the bowstring hanging point connecting piece. The bowstring hanging point connecting piece is connected in the adjusting groove, the bowstring hanging point connecting piece is provided with bowstring hanging shafts and top nests, the top nests are formed in the two sides of the bowstring hanging point connecting piece, the bowstring hanging shafts are located in the front of the bowstring hanging point connecting piece, and the two sets of adjusting rods are screwed into the adjusting holes and extend into the top nests. The device has the advantages that accurate, convenient and fast fine adjustment of the bowstring hanging point position is achieved, and the performance and applicability of the composite bow are improved.

This utility model discloses a string removal device for a U-shaped bowstring, comprising: a drive plate; two pull arms, each pull arm forming an upper action groove and a lower action groove between itself and the drive plate, and each pull arm including a string section, a limiting section, and a string-catching section, with the string of the bowstring pivotally sleeved on each string section, and each string-catching section on the same side as the lower action groove; a limiting module installed on the limiting section of any pull arm, with its part protruding and not inserted into the upper action groove; during movement, the limiting module can release the restriction by contacting the bowstring of the firing trigger housing, eliminating the need to worry about or guess whether the bowstring has been correctly removed, and avoiding excessive pulling that would affect the subsequent firing stability and elasticity of the bowstring, making the string removal process more precise, faster, and more time-saving and labor-saving, achieving positioning and string removal in one go.

An archery release for firing an arrow from a bow. The archery release includes a main body, a jaw assembly that operably engages with the main body and is adapted to receive and hold a D-loop formed on a bowstring, a pair of triggers that operably engages with the jaw assembly for moving the jaw assembly between a closed position and an open position, and a biaser that operably engages with the main body and at least one trigger of the pair of triggers for biasing the pair of triggers towards the closed position. The archery release also includes that when the pair of triggers moves from a first position to a second position, a first jaw component and a second jaw component of the jaw assemblies simultaneously transition from the closed positioned to the open position.

The utility model relates to the technical field of archery bows, and discloses a shooting toy capable of adjusting the tension degree, an embedded ring is fixedly installed in a bow body, grooves are formed in the two ends of the bow body, limiting columns are arranged in the grooves, and bowstrings are fixedly installed at the bottoms of the limiting columns. According to the shooting toy capable of adjusting the tension degree, the rotating disc, the shaft barrel and the limiting plate can be driven to rotate through the twisting disc, then the shaft barrel can wind a bowstring in and out, meanwhile, ratchet grooves are formed in the rotating disc, the rotating disc can drive pawls to be separated in the rotating process through the characteristics of the ratchet grooves, and then it is guaranteed that the pawls are inserted into the ratchet grooves all the time through torsion springs; therefore, the bowstring can be continuously wound and tightened, and the wound bowstring can be prevented from loosening; on the contrary, the clamping cover is opened, the pawl is pulled to leave the ratchet groove through the pulling plate and the extension rod, the rotating disc is not limited by the pawl, the bowstring can be loosened, and the tensioning speed of the bowstring can be adjusted in the process.

The utility model discloses a balance ring type string hanging column on a composite bow eccentric wheel, which comprises an eccentric wheel, the eccentric wheel is provided with a connecting piece, the connecting piece is sleeved with a string hanging sleeve, the eccentric wheel comprises an eccentric wheel main body, the eccentric wheel main body is provided with an inward concave structure, and the string hanging sleeve is sleeved with a string hanging sleeve. A connecting hole matched with the connecting piece is formed in the eccentric wheel body and located at the inwards-concave structure, a string groove is formed in the outer side of the eccentric wheel body, the string hanging sleeve comprises a sleeve body, a first limiting ring and a second limiting ring are arranged at the two ends of the sleeve body respectively, and an inserting hole matched with the connecting piece is formed in the sleeve body. According to the utility model, the string hanging sleeve can rotate on the connecting piece, so that the tension forces of the strings (bows on the two sides of the integrated bowstring) are close to be consistent, and the string hanging column is arranged, so that the adjustment process of the consistency of the tension forces of the strings is automatic, the rebound speed is consistent, and the stress of the driven marble seat is more balanced and more accurate.