Roger Cleveland Golf Company, Inc.

Sri Sports Limited

Sumitomo Rubber Industries Limited

Dunlop Sports Company Limited

Trent E Garner

Douglas E Roberts

Daniel J Stone

Nathaniel J Radcliffe

Michael J Wallans

Kevin A Wolfe

Brad S Hooley

John J Rae

Robert J Horacek

Lionel Poincenot

Dan S Nivanh

Jeff D Brunski

Sam G Lacey

Scott A Carlyle

Craig R Schnell

Kevin Schaeffer

Stephen C Chien

Todd D Harman

Brent L Newsome

Jacques Fagot

Christopher R Cooper

Christopher J Beck

Adam K Sheldon

Michael D Sandoval

Jimmy H Kuan

Edward Mendoza

Andrew P Chick

Gregory K Hopkins

Chad R Kicker

An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.

Golf club head

A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface.

Muscle-back, with insert, iron type golf club head

A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area. A hosel portion joins the club head for connecting a shaft to the club head. The crown portion has a major crown portion and a minor crown portion, the major portion having greater surface area than the minor portion, and the major portion being displaced vertically lower relative to the minor crown portion. The major crown portion may have a generally concave curvature and the minor crown portion may have a generally convex curvature such that the major crown portion is in effect inverted with respect to the minor crown portion. The major crown portion may be upwardly inclined from the heel to the toe of the head. The head may exhibit a parabolic top view silhouette.

Golf club head having a displaced crown portion

Growing community of inventors

Champaign, IL, United States of America

Trent E Garner