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US 9,067,108 B2Granted
Adjustable golf club shaft and hosel assembly
AssigneeCallaway Golf Company
InventorsHomer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
Life of this patent
Estimating the term…
Abstract
An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
Claims19
An adjustable golf club head comprising:
- a body comprising a face, a sole, and a crown;
- a fastener comprising a fastener head and a threaded body;
- a shaft sleeve comprising a shaft-receiving bore and a universal joint connection, the universal joint connection comprising at least two planar sides, at least two curved sides, and a joint bore sized to securely receive the threaded body of the fastener;
- a hosel having a hosel bore extending from the sole to the crown, at least part of the hosel bore having a diameter sized to receive at least a part of the shaft sleeve;
- and
- an adjustment device,
- wherein moving the adjustment device changes the angle of the shaft sleeve with respect to the face,
- wherein the fastener is inserted into the hosel bore through the sole,
- wherein the threaded body removably connects the shaft sleeve to the body wherein a fitting member is inserted within the hosel bore proximate the crown, and the fitting member comprises a fitting member bore receiving the universal joint connection.
6 more elements
Dependencies are inferred from the claim text.