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US 5,308,062 AGranted
Golf club shaft and head assembly
AssigneeFundamental Golf Company Pty. Ltd.
InventorGerald F. Hogan
Life of this patent
Estimating the term…
Abstract
A golf club has a club head and an elongated tubular shaft secured at its tip end to the head. The shaft has a relatively short, flexible zone spanning the center of the shaft between the butt and tip ends which is more flexible than the remainder of the shaft, forming a tow lever flail.
Claims26
A golf club, comprising:
- a club head;
- an elongated tubular shaft having a tip end secured to the club head and an opposite, butt end for gripping by a player when swinging the club;
- and
- the shaft having a central, flexible zone which spans the central portion in the length of the shaft, a butt zone extending from the central zone to the butt end of the shaft, and a tip zone extending from the central zone to the tip end of the shaft, the central zone being of grater flexibility than both the butt and tip zones, and having a length shorter than the length of each of the butt and tip zones to provide a two-lever flail which hinges about the central zone of the shaft only.
1 more element
A golf club, comprising:
- a club head;
- an elongated tubular shaft having a tip end secured to the club head and an opposite, butt end for gripping by a player when swinging the club;
- the shaft having a central, flexible zone which spans the central point in the length of the shaft, a butt zone extending from the central zone to the butted of the shaft, and a tip zone extending from the central zone to the tip end of the shaft, the central zone being of greater flexibility than both the butt and tip zones and comprising means for producing a two-lever flail which hinges about the central zone of the shaft only;
- and
- the shaft comprising a plurality of layers of wound fibers, the majority of the fibers in the butt and tip zones being wound in a 0.degree. direction parallel to the longitudinal axis of the shaft and the majority of the fibers int he central zone being owned at an angle to the axis of the shaft.
2 more elements
A golf club, comprising:
- an elongate tubular shaft having a first, tip end, a second, butt end, and a central, flexible zone between said ends which is more flexible than the remainder of the shaft;
- a head secured to the tip end of the shaft, the head having a wedge-shaped body with a front, ball striking face, a rear face, a lower face, an upper face, a heel ad a toe, and a hosel tube formed integrally with the body and projecting upwardly from the heel end of the body, the tip end of the shaft being secured to the hosel, the hosel tube having a leading portion facing in a ball striking direction of the club;
- and
- the front face being inclined rearwardly from the lower face to the upper face of the body, and the front face having a leading edge at the junction between the front face and lower face of the body, the leading edge lying in the same plane as the leading portion of the hosel;
- and
- the front face being indented at the junction between the front face and hosel.
3 more elements
A golf club shaft, comprising:
- an elongated tubular shaft having a tip end for securing to a club head and a butt end for gripping by a player;
- and
- the shaft having a central flexible zone of a first length spanning the center of the shaft, a butt zone of a second length extending from the flexible zone to the butt end of the shaft, and a tip zone of a third length extending from the central flexible zone to the tip end of the shaft, the central zone being more flexible than the remainder of the shaft, and the first length being less than each of the second and third lengths.
Dependencies are inferred from the claim text.