Billard cue with a cushion ferrule

Abstract

A billiard cue includes a shaft, a ferrule engaged with the shaft and a tip mounted on the ferrule. The shaft includes a tenon defining an outward annular shoulder. The ferrule includes an opened end, an opposed closed end and an interior bore. The bore has a front portion and a rear portion. The diameter of the front portion is larger than that of the rear portion to define an inward annular shoulder therebetween. The tenon of the shaft is received in the front portion of the bore in such a way that the top surface of the tenon snugly leans against the inward annular shoulder, the end surface of the opened end of the ferrule is snugly seated against the outward annular shoulder of the shaft, and a buffer space is defined by the rear portion of the bore of the ferrule.

1 . A billiard cue comprising:
 a shaft having a tenon at one end thereof defining an outward annular shoulder;   a ferrule having an opened end, an opposed closed end and an interior bore extending longitudinally from the opened end for a predetermined length toward the closed end;   a tip mounted on the closed end of the ferrule;   the interior bore having a front portion with a first diameter, a rear portion with a second diameter, and the first diameter of the front portion being larger than the second diameter of the rear portion such that an inward annular shoulder is defined therebetween; and   the tenon of the shaft snugly being received in the front portion of the interior bore of the ferrule in such a way that a top surface of the tenon snugly leans against the inward annular shoulder and an end surface of the opened end of the ferrule is snugly seated against the outward annular shoulder of the shaft;   whereby the ferrule can be durably engaged with the shaft and the rear portion of the interior bore of the ferrule defines a buffer space to absorb the impact forces generated during the impact of the cue on a ball.   
   
   
       2 . The billiard cue as claimed in  claim 1 , further comprising a shock absorbing member received in the rear portion of the interior bore of the ferrule. 
   
   
       3 . The billiard cue as claimed in  claim 1 , wherein the interior bore of the ferrule has a bottom end, and the ferrule has a through hole longitudinally extending from the bottom end of the interior bore to the closed end of the ferrule. 
   
   
       4 . The billiard cue as claimed in  claim 3 , wherein the through hole of the ferrule has a third diameter smaller than the second diameter of the rear portion of the interior bore. 
   
   
       5 . The billiard cue as claimed in  claim 1 , wherein the rear portion of the interior bore of the ferrule has a first interior wall provided with at least a reinforced rib. 
   
   
       6 . The billiard cue as claimed in  claim 1 , wherein the front portion of the interior bore has a second interior wall provided with a threaded section.