Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2006-06-06
2006-06-06
Blau, Stephen (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S409000
Reexamination Certificate
active
07056225
ABSTRACT:
A golf club matching method in which the ideal shaft stiffness for a particular golfer is first empirically determined using calibrated test clubs. The shafts are incrementally trimmed to result in a set in which each club has the same or ideal shaft frequency or stiffness. The manufacturing method may be automated using a computer controlled cutting operation to fabricate a number of matched club shaft blanks by inputting information relative to the desired stiffness, shaft blank characteristics, club head, grip, finished club length and other data.
REFERENCES:
patent: 4122593 (1978-10-01), Braly
patent: 4958834 (1990-09-01), Colbert
patent: 5722899 (1998-03-01), Cheng
patent: 5879241 (1999-03-01), Cook et al.
patent: 6572488 (2003-06-01), Weiss et al.
patent: 2185978 (1996-09-01), None
Blau Stephen
Nelson Gregory J.
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