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US 8,133,131 B1Granted
Interchangeable shaft and club head connection system
AssigneeAcushnet Company
InventorsThomas Orrin Bennett, Michael Scott Burnett, Noah De La Cruz, Charles E. Golden, Christopher D. Harvell, Scott A. Knutson, Stephen S. Murphy, Kenneth C. Scott, Daniel S. Callinan
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head.
Claims19
A golf club comprising:
- a shaft;
- a club head;
- and
- a connection system releasably connecting the shaft to the club head, said connection system further comprises;
- a sleeve, distinct from the shaft wherein the shaft partially passes through, that is connected to the shaft,
- a hosel, distinct from the sleeve wherein the shaft partially passes through, that is integrally formed into a heel portion of the golf club head, and
- a ring, distinct from the sleeve and the hosel, that is disposed between the sleeve and the hosel,
- wherein the ring is askew, altering at least one of a loft angle and a lie angle of the golf club head depending on the orientation of the ring,
- wherein the sleeve further comprises a first non-linear mating surface, located near an external portion of the sleeve, the hosel further comprises a second non-linear mating surface near a top of the hosel, and the ring further comprises a third non-linear mating surface near a top of the ring and a fourth non-linear mating surface near a bottom of the ring and wherein an entire tip end of the shaft is able to be removed upward out a top of the hosel.
6 more elements
A golf club comprising:
- a shaft;
- a club head;
- and
- a connection system releasably connecting the shaft to the club head, said connection system further comprises;
- a sleeve, distinct from the shaft wherein the shaft partially passes through, that is connected to the shaft,
- a hosel, distinct from the sleeve wherein the shaft partially passes through, that is integrally formed into a heel portion of the golf club head, and
- a ring, distinct from the sleeve and the hosel, that is disposed between the sleeve and the hosel;
- wherein the ring has a top line and a bottom line, wherein the top line is not parallel to the bottom line, altering at least one of a loft angle and a lie angle of the golf club head depending on the orientation of the ring, and wherein an entire tip end of the shaft is able to be removed upward out a top of the hosel.
5 more elements
A golf club comprising:
- a shaft;
- a club head;
- and
- a connection system releasably connecting the shaft to the club head, said connection system further comprises;
- a first hosel part, distinct from the shaft wherein the shaft partially passes through, that is connected to the shaft,
- a second hosel part, distinct from the shaft wherein the first hosel part partially passes through, that is integrally formed on and near a heel portion of the golf club head, and
- an annular member, distinct from the sleeve and the hosel, that is disposed between the sleeve and the hosel
- wherein the annular member has a top line and a bottom line, wherein the top line is not parallel to the bottom line, altering at least one of a loft angle and a lie angle of the golf club head depending on the orientation of the annular member, and wherein an entire tip end of the shaft is able to be removed upward out a top of the second hosel part.
5 more elements
Dependencies are inferred from the claim text.