Claims
- 1. A shaft extension for improving the dynamic response of a golf club having an elongated shaft with a lower head end and an upper grip end, the head end having a club head attached thereto and the grip end being hollow and having an inner and outer diameter, said shaft extension comprising:
a cylindrical member comprising a lower base sized for snug insertion in said grip end of said shaft and an upper housing of an external diameter slightly larger than the inner diameter of said grip end, whereby said housing extends from said shaft when said sleeve is inserted therein, said housing having a chamber therein open at the upper end thereof; an insert of predetermined weight for insertion into said housing; means for removably securing said insert to said housing.
Parent Case Info
[0001] This application is a continuation-in-part of and claims the benefit of U.S. patent application Ser. No. 10/066,880, filed Feb. 4, 2002; claims the benefit of U.S. provisional patent application No. 60/441,152, filed Jan. 21, 2003; and claims the benefit of U.S. provisional patent application No. 60/441,119, filed Jan. 21, 2003.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60441152 |
Jan 2003 |
US |
|
60441119 |
Jan 2003 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10066880 |
Feb 2002 |
US |
Child |
10752126 |
Jan 2004 |
US |