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Compact Crossbow with Improved Efficiency

  • US 20080251058A1
  • Filed: 04/11/2008
  • Published: 10/16/2008
  • Est. Priority Date: 04/13/2007
  • Status: Active Grant
First Claim
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1. A compound crossbow comprising:

  • a stock having a butt end and a fore end, said stock supporting a barrel, a hand grip, a release mechanism including a trigger, and a sight mount;

    a riser attached to the fore end of the stock and having a center section providing a mounting for an arrow rest;

    an arrow rest attached to the mounting;

    a pair of limbs mounted to the riser, each limb having a proximal end connected to the riser and a distal end terminating at a tip;

    a pair of idler spools, one mounted at each limb tip;

    a pair of pockets mounted to the riser, the proximal end of each limb being pivotally mounted in a respective one of said pockets;

    a limb bolt anchor pivotally connected to the riser by respective pylons adjacent each limb pocket;

    an adjusting bolt adjustably connecting each limb pocket to its respective limb bolt anchor whereby bowstring tension can be altered or eliminated;

    a pair of pylons, each comprising a pair side plates mounted on opposite sides of said riser;

    a pair of cam and intermediate spool assemblies, each supported by a respective one of said pylons between said plates; and

    a synchronization system constraining the cams to rotate in unison.

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