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Patexia Research
Patent No. US 11156428
Issue Date Oct 26, 2021
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Patent 11156428 - Bow > Claims

  • 1. A bow, comprising: 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 cable is wound, each of the cable cams being rotated interlockingly with each of the string cams to elastically deform the cable; anda 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, whereineach of the holders is configured to pivot with respect to each of the both ends of the bow body to switch a posture of the holders between a first state for tensioning the cable where the end portion is arranged on an extension line extending from each of the both ends of the bow body and a second state for loosening the cable where the end portion is arranged nearer to a center of the bow body compared to the extension line.
    • 2. The bow according to claim 1, further comprising: a shaft member arranged on each of the both ends of the bow body, the shaft member extending in a direction perpendicular to the direction connecting the both ends of the bow body and perpendicular to the direction of shooting the arrow, whereinthe base portion provided on each of the holders is pivotable around the shaft member.
    • 3. The bow according to claim 1, further comprising: a locking mechanism for stopping a pivot of each of the holders and fixing each of the holders to each of the both ends of the bow body when each of the holders is pivoted with respect to each of the both ends of the bow body to switch the posture of the holders to the first state for tensioning the cable.
      • 4. The bow according to claim 3, wherein: the locking mechanism includes:a contact member provided on either one of each of the holders and each of the both ends of the bow body to stop the pivot of each of the holders by contacting with a stopper formed on the other of each of the holders and the both ends of the bow body when each of the holders is pivoted with respect to each of the both ends of the bow body to switch the posture of the holders to the first state for tensioning the cable; anda fixing member for fixing each of the holders to each of the both ends of the bow body in a state that the contact member stops the pivot of each of the holders.
    • 5. The bow according to claim 1, wherein: each of the holders has a protruding member which is arranged at a part most separated from a pivot center of each of the holders in the end portion, the protruding member being protruded rearward compared to the string tensed between the string cams when the posture of the holders is in the first state for tensioning the cable.
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