IP Library › Granted Patent US 12,605,597
Granted Patent B1
US 12,605,597 · App. 18/378,050 · Granted Apr 21, 2026

Adhesive stress reduction feature of a bonded joint in a golf club head

Inventors: Dominic LeBlanc (Carlsbad, CA); Brandon DeMille (Carlsbad, CA)
Assignee: Callaway Golf Company.
A63B53/0408A63B53/0466A63B53/0433A63B53/0437A63B2209/00
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Quick Facts
Patent No.
US 12,605,597
App. No.
18/378,050
Granted
Apr 21, 2026
Kind
B1
Abstract

A golf club head having a stress reducing feature at a composite joint is disclosed herein. The stress reducing feature is preferably cylindrical with a circular groove that has a radius R_Groove that ranges between 0.005 inch and 0.050 inch. An adhesive thickness along the front of a joint t_gap_front preferably ranges between 0.002 inch and 0.060 inch.

Claims (3)

1 . A golf club head comprising:

a body comprising face section, a composite sole section and a composite crown section, the body defining a hollow interior;

wherein the golf club head has a stress reducing feature at a composite bonded joint, wherein the stress reducing feature is cylindrical with a circular groove that is tangent to a front wall of the bonded joint and has a radius, R_Groove, that ranges between 0.005 inch and 0.050 inch, and the circular groove forms an undercut, t_groove_undercut, that ranges between 0.005 inch to 0.060 inch.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2026
From: DEMILLE, BRANDON D.
To: CALLAWAY GOLF COMPANY
Reel/Frame 075508/0903 →
Continuity (1)
Provisional Application 63416658 · Oct 17, 2022
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