Iron type golf club head with weight adjustment member

Details Iron type golf club head with weight adjustment member Iron type golf club head with weight adjustment member

1999-07-01

2001-03-27

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S349000, C473S350000

Reexamination Certificate

active

06206790

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates generally to golf equipment and, in particular, to an iron type golf club head with a weight adjustment member.
U.S. Pat. No. 5,588,923 to G. H. Schmidt et al discloses apparatus for adjusting swing weights of iron type golf clubs. This apparatus consists of a composite member attached to the back side of a club head having a weight adjusting layer and a graphics layer. The weight adjusting layer may be adhesive tape with metal (such as lead or tungsten) particles dispersed therein. The graphics layer may be a thin plastic sheet. Composite members are provided in different weights (for example, two, four, six and eight grams) so that the swing weight of a particular golf club may be adjusted as desired.
SUMMARY OF THE INVENTION
An iron type golf club head includes a body having a front face arranged for impact with a golf ball, a back face, a sole, a top rail, a heel portion and a toe portion. A perimeter weighting element protrudes rearwardly from the front face and defines a cavity in the back face. The perimeter weighting element includes a top rail and a sole which extend between the body heel and toe portions along an upper portion and a lower portion, respectively, of the body. An interior wall extends from a first end located adjacent the body heel portion through the primary cavity between the top rail and the sole to a second end located adjacent the body heel portion defining a secondary cavity within the primary cavity. A weight adjustment member is disposed in the secondary cavity. The interior wall first end is connected to the perimeter weighting element adjacent the body heel portion and interior wall second end is connected to the perimeter weighting element adjacent the body toe portion.


REFERENCES:
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patent: 5588923 (1996-12-01), Schmidt et al.
patent: 5590881 (1997-01-01), Jernigan
patent: 5658208 (1997-08-01), Shimasaki
patent: 5658209 (1997-08-01), Blakemore

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