Golf club shaft connection assembly
AssigneeCallaway Golf Company
InventorJames A. Seluga
Life of this patent
Estimating the term…
Abstract
A golf club shaft connection assembly comprising first and second shaft sections, male and female adaptors, a hollow retainer, a spring, and a plurality of balls is disclosed herein. The male and female adaptors are each attached to the first and second shaft sections, respectively, preferably with a permanent adhesive. The male adaptor comprises a protrusion that fits within a keyed interior of the female adaptor, and moving the hollow retainer towards the male adaptor reversibly fixes the two adaptors together, while moving the hollow retainer towards the female adaptor allows the male adaptor to be removed from the female adaptor.
Claims20
A golf club shaft connection assembly comprising:
- a golf club head;
- a first shaft section;
- a second shaft section;
- a male adaptor comprising a first body portion, a first protrusion, and a first ledge portion between the first body portion and the first protrusion;
- a female adaptor comprising a second body portion, a second protrusion, and a second ledge portion between the second body portion and the second protrusion;
- a hollow retainer comprising a first upper end, a first lower end, and an internal flange disposed proximate the first upper end;
- a spring comprising a second upper end and a second lower end;
- and
- a plurality of balls,
- wherein each of the first body portion and the second body portion is affixed to one of the first shaft section and the second shaft section,
- wherein the golf club head is affixed to one of the first shaft section and the second shaft section,
- wherein the first protrusion comprises a stem portion, a keyed portion, and a first groove between the stem portion and the keyed portion,
- wherein the second protrusion comprises a base portion and a hollow extension,
- wherein the hollow extension comprises an external surface, a second upper end, a second lower end proximate the base portion, a keyed interior, and a plurality of circular through-bores disposed proximate the second upper end,
- wherein the hollow retainer is disposed around the hollow extension such that the internal flange is located proximate the second upper end,
- wherein the internal flange comprises an upper surface and a lower surface,
- wherein the spring is coiled around the hollow extension such that the second lower end abuts the base portion and the second upper end abuts the lower surface of the internal flange,
- wherein each of the plurality of balls is partially disposed within one of the plurality of circular through-bores above the upper surface of the internal flange,
- wherein the keyed portion is sized to fit within the keyed interior, and
- wherein moving the retainer towards the first ledge portion removably fixes the male adaptor to the female adaptor.
Dependencies are inferred from the claim text.