IP Library Granted Patent US 7,559,854
Granted Patent B2
US 7,559,854 · App. 11/056,125 · Granted Jul 14, 2009

Golf club head with integrally attached weight members

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Quick Facts
Patent No.
US 7,559,854
App. No.
11/056,125
Granted
Jul 14, 2009
Kind
B2
Abstract

A golf club head having integrally attached weight members is disclosed and claimed. The club head body defines at least a toe chamber and a heel chamber. Weights of variable mass are positioned within the chambers, moving the club head center of gravity back and down.

Claims (30)

1. A wood-type golf club head, comprising:

a body including a face, a sole, a crown, and a skirt, said body having a toe and a heel, said body defining an interior volume;

said body including a first chamber in a heel side of said body extending from said heel portion of said skirt into said body and a second chamber in a toe side of said body extending from said toe portion of said skirt into said body;

a first weight member coupled within said first chamber; and

a second weight member coupled within said second chamber; wherein:

one of said chambers is located closer to said face than the other of said chambers; and

said first weight member has a mass from 25 grams to 50 grams and said second weight member has a mass from 1 gram to 25 grams.

2. The golf club head of claim 1 , wherein said chambers are accessible from outside said body.

3. The golf club head of claim 2 , wherein said chambers extend longitudinally into said body substantially parallel to said face.

4. The golf club head of claim 2 , wherein said chambers extend inward from said skirt.

5. The golf club head of claim 1 , wherein said interior volume has a volume from 100 cubic centimeters to 250 cubic centimeters.

6. The golf club head of claim 5 , wherein said interior volume has a volume from 150 cubic centimeters to 200 cubic centimeters.

7. The golf club head of claim 1 , wherein said face is a face insert coupled to said body.

8. The golf club head of claim 1 , wherein at least one of said first and second weight members comprises tungsten.

9. The golf club head of claim 1 , wherein said first weight member has a mass from 1 gram to 50 grams and said second weight member has a mass from 1 gram to 50 grams.

10. The golf club head of claim 1 , wherein the golf club head has a center of gravity located from 10 millimeters to 50 millimeters behind said face.

11. The golf club head of claim 10 , wherein the golf club head has a center of gravity located from 20 millimeters to 35 millimeters behind said face.

12. The golf club head of claim 1 , further comprising a third weight member coupled to said sole.

13. The golf club head of claim 1 , wherein:

said first chamber is not longitudinally aligned with at least one chamber in said toe; and

said second chamber is not longitudinally aligned with at least one chamber in said heel.

14. A wood-type golf club head, comprising:

a body including a face, a sole, a crown, and a skirt, the body having a toe and a heel, the body defining an interior volume, wherein the body comprises:

a first chamber in a heel side of the body extending from the heel into the body, wherein a first weight member is coupled within the first chamber;

a second chamber in a toe side of the body extending from the toe into the body, wherein a second weight member is coupled within the second chamber; and

wherein one of the first or second chambers is located closer to the face than the other of the chambers, and wherein the chambers extend inward from the skirt; and

the first weight member has a first mass and the second weight member has a second mass less than the first mass.

15. The golf club head of claim 14 , wherein the first mass is from 25 grams to 50 grams and the second mass is from 1 gram to 25 grams.

16. The golf club head of claim 14 , wherein the body further comprises a third weight member.

17. The golf club head of claim 16 , wherein the third weight is in the sole.

Assignments (6)
SECURITY INTEREST Recorded Aug 3, 2022
From: ACUSHNET COMPANY
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 061099/0236 →
ASSIGNMENT OF SECURITY INTEREST IN PATENTS (ASSIGNS 039506-0030) Recorded Aug 3, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS RESIGNING ADMINISTRATIVE AGENT
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR ADMINISTRATIVE AGENT
Reel/Frame 061521/0414 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (027331/0627) Recorded Sep 7, 2016
From: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
To: ACUSHNET COMPANY
Reel/Frame 039938/0857 →
SECURITY INTEREST Recorded Jul 28, 2016
From: ACUSHNET COMPANY
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 039506/0030 →
SECURITY AGREEMENT Recorded Dec 6, 2011
From: ACUSHNET COMPANY
To: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
Reel/Frame 027331/0627 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 14, 2005
From: HARVELL, CHRISTOPHER D.; MEYER, JEFFREY W.; POYNOR, RAYMOND L.
To: ACUSHNET COMPANY
Reel/Frame 016281/0671 →