US2008090670A1PendingUtilityA1

Aiming Device For Billiard Cue

44
Assignee: LIU SEN-YUNGPriority: Oct 13, 2006Filed: Oct 13, 2006Published: Apr 17, 2008
Est. expiryOct 13, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Sen-Yung Liu
A63D 15/006
44
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Claims

Abstract

An aiming device for a billiard cue is disclosed herein, which includes a fixing member, an extending member coupled with the fixing member at one end thereof, a parallel light source coupled with the other end of the extending member and having a projection hole for passing a parallel light beam emitted from the parallel light source, and a cylindrical lens mounted on one end of the parallel light source in front of the projection hole, whereby the parallel light beam becomes a fanned light beam after it passes through the cylindrical lens. The aiming device of the present invention can provide a high precise aiming in billiards.

Claims

exact text as granted — not AI-modified
1 . An aiming device for a billiard cue, comprising:
 a fixing member;   an extending member coupled with the fixing member at one end thereof;   a parallel light source coupled with the other end of the extending member and having a projection hole for passing a parallel light beam emitted from the parallel light source; and   a cylindrical lens mounted on one end of the parallel light source in front of the projection hole, whereby the parallel light beam becomes a fanned light beam after it passes through the cylindrical lens.   
   
   
       2 . The aiming device as claimed in  claim 1 , wherein the parallel light source is a laser light source. 
   
   
       3 . The aiming device as claimed in  claim 1 , wherein the extending member is flexible. 
   
   
       4 . The aiming device as claimed in  claim 1 , wherein the fixing member is a fixing clamp. 
   
   
       5 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a circular cylindrical lens. 
   
   
       6 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a biconvex cylindrical lens. 
   
   
       7 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a convex-concave cylindrical lens. 
   
   
       8 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a plano-convex cylindrical lens. 
   
   
       9 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a plano-concave cylindrical lens. 
   
   
       10 . The aiming device as claimed in  claim 1 , wherein the cylindrical lens is a biconcave cylindrical lens. 
   
   
       11 . The aiming device as claimed in  claim 1 , wherein a battery pack is mounted between the fixing member and the extending member.

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