Aiming device for billiard cue

Title: Aiming device for billiard cue

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20080090670, Aiming device for billiard cue.

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; anda 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.

Brief Patent Description - Full Patent Description - Patent Claims

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Industry Class:
Games using tangible projectile

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