Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.

Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.

A putter-type golf club head with a sound chamber is disclosed herein. The club head comprises a body and a two-piece face insert disposed over the sound chamber. The sound chamber comprises a central sound sub-chamber and an outer sound sub-chamber, while the face insert comprises a first, metallic piece that includes a central recess, which is filled with a second, polymeric piece. The metallic piece is welded to the body, and the polymeric piece is adhered to the metallic piece. The body also includes at least one through-bore extending from the sound chamber through a back wall of the body. The body, the sound chamber, the face insert, and the through-bore amplify the sound generated by the putter-type golf club head striking a golf ball.

Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a hollow body portion having a front portion, a rear portion, a toe portion, a heel portion, a bottom portion, a top portion, a plurality of ports on the bottom portion and a plurality of inner wall portions in the hollow body portion. Other examples and embodiments may be described and claimed.

Embodiments of golf clubs and methods to manufacture golf clubs are generally described herein. In one example, a golf club may include a golf club head having an interior cavity and a shaft attached to the golf club head. At least a portion of the shaft may be filled with an elastic polymer material, and the interior cavity may be at least partially filled with an elastic polymer material. Other examples and embodiments may be described and claimed.

A sports shaft having an elongated body having a perimeter defined by a plurality of main walls with adjacent ones of the main walls being interconnected through a corresponding one of a plurality of edge walls, the edge walls being spaced apart around the perimeter. A respective bumper extends along at least part of length of at least one of the edge walls. The main and edge walls without the respective bumper have a first stiffness along a longitudinal direction of the shaft, and a combination of the respective bumper with the at least one of the edge walls has a stiffness along the longitudinal direction greater than the first stiffness. A method of making a sports shaft is also discussed.

The invention relates to golf clubs, more particularly to mechanisms for fastening accessories to clubs. The invention provides a golf club configured to house an electronic device such as an RFID tag within a recess within the grip, thereby protecting the device from the stress, shock, and exposure that arises when a golf club is used.

The invention relates to golf clubs, more particularly to mechanisms for fastening accessories to clubs. The invention provides a golf club configured to house an electronic device such as an RFID tag within a recess within the grip, thereby protecting the device from the stress, shock, and exposure that arises when a golf club is used.

A golf club comprises: a golf club shaft extending from its first end to second end in its axis direction; a golf club head attached to the second end of the golf club shaft; a grip attach to the first end of the golf club shaft and having a grip end; and a weight member attached to the golf club shaft. The specific gravity of the weight member is 2.5 or more. The length of the weight member is 20 mm or less. The weight member is disposed in a grip-end portion of the golf club shaft so that a mass distribution in the axis direction of the grip-end portion has a local maximum occurring at a position within the grip-end portion, wherein the grip-end portion is defined as extending from the grip end toward the second end by 40 mm in the axis direction.

Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.