Acushnet Company

Sri Sports Limited

Roger Cleveland Golf Company, Inc.

Dunlop Sports Company Limited

Kevin R Tassistro

Sharon J Park

Ronald K Hettinger

Christopher R Cooper

Jimmy H Kuan

Andrew P Chick

Charles Edward Golden

John Morin

Douglas C Jorgensen

Gregory D Johnson

Brian D Schielke

Robert Van Der Heyden

Richard L Cleghorn

John J Rae

Scott A Carlyle

Robert W Vokey

Kevin Wolfe

Eddie G Perez

Richard M Nelson

Cameron J Day

Gery Mel Zimmerman

Jonathan Hebreo

Scott A Knutson

Joshua C Stokes

Helene Hipp

Michael Wu

A co-forged iron type golf club is disclosed. More specifically, the present invention discloses an iron type golf club head from a pre-form billet that already contains two or more materials before the actual forging process resulting in a multi-material golf club head that doesn't require any post manufacturing operations such as machining, welding, swaging, gluing, and the like. The resultant golf club head may be capable of achieving center of gravity locations previously unachievable without utilizing this co-forging technique. The resultant golf club head may be used to create a set of golf club heads with center of gravity locations that are more advantageous throughout a set of golf clubs.

Set of golf club heads and method of manufacture

A system and methods of fitting golf clubs, and more particularly, the systems and methods related to wedge type golf clubs, having multiple sole configurations and/or bounce angles. More specifically, the present invention is directed to system and methods that enable a player to quantify the performance of the golf club's sole interaction with the ground and to determine the sole configuration and bounce angle that provides the most optimal shot performance.

Wedge golf club fitting system

An iron-type golf club head includes: a body having an outer surface and including a striking face; a channel extending into the body and having an opening in the outer surface of the body; and a weighted insert shaped and sized to be at least partially inserted into the channel and including a heavy end and a light end, wherein the channel is oriented such that, when the weighted insert is at least partially inserted into the channel, a longitudinal axis of the weighted insert is parallel to a striking face plane that is tangential to an outermost surface of the striking face.

Golf club having an adjustable weight assembly

A golf club head with an improved adjustable weighting system for an iron and/or wedge type golf club head is disclosed herein. More specifically, the golf club head in accordance with the present invention provides an improved weighting system that fits in seamlessly with the traditional shaping of a wedge type golf club head that preserves the aesthetics of the golf club head that golfer have come to expect.

Golf club head with adjustable weighting

Wedge golf club head with weight

Wedge golf club head

Wedge golf club set

A co-forged iron type golf club is disclosed. More specifically, the present invention discloses a co-forged iron type golf club with the body portion made out of a first material and at least one weight adjustment portion monolithically encased within the body portion of the co-forged iron type golf club head without the need for secondary attachment or machining operations. The present invention creates of an iron type golf club head from a pre-form billet that already contains two or more materials before the actual forging process resulting in a multi-material golf club head that doesn't require any post manufacturing operations such as machining, welding, swaging, gluing, and the like.

Co-forged golf club head and method of manufacture

A golf club incorporating an interchangeable shaft system includes a shaft, a shaft sleeve, a club head. The shaft sleeve is coupled to an end of the shaft and is received in a hosel included in the club head. The shaft sleeve is removably coupled to the club head. Hosel and shaft sleeve alignment features provide discrete orientations between the shaft and club head.

Interchangeable shaft system

A golf club head, including a striking face having a plurality of grooves formed therein, a center region, a toe region, and a heel region, a plurality of miniature grooves formed therein, the plurality of miniature grooves limited to the central region of the striking face, each of the plurality of miniature grooves extending across the striking face parallel to the grooves, each of the plurality of miniature grooves having a miniature groove width of less than 0.500 mm, wherein the miniature groove width is the distance between an uppermost intersection of each miniature groove and the front surface and a lowermost intersection of each miniature groove and the front surface; a plurality of arcuate grooves limited to the toe region; wherein the grooves, the miniature grooves, and the arcuate grooves do not intersect one another.

Golf club striking surface

Growing community of inventors

Escondido, CA, United States of America

Kevin R Tassistro