Golf club head
AssigneeDunlop Sports Co. Ltd.
InventorsYuki Shimahara, Naruhiro Mizutani
Life of this patent
Estimating the term…
Abstract
A golf club head comprises: a head main body having a hollow therein; a weight member disposed in the hollow and extending from its first end to its second end; a first end side portion of the weight member is secured to a first position of the head main body rotatably around a first axis at the first position so that a second end side portion of the weight member is movable to at least a second position and a third position of the head main body which positions are on a locus described by the first end side portion of the weight member during rotating about said first axis; and a fastener for fixing the second end side portion of the weight member to any of said at least second and third positions of the head main body.
Claims13
A golf club head comprising:
- a head main body that has a hollow interior and includes a face for striking a ball, a crown portion, a sole portion, a side portion and a hosel portion which constitute an outer shell part of the head enclosing the hollow interior,
- a weight member disposed within the hollow interior and having a first end and a second end, wherein
- a first end side portion of the weight member is secured to a first position of the head main body rotatably around a first axis intersecting the sole portion at the first position so that a second end side portion of the weight member is movable to a second position and a third position of the head main body wherein said second position and said third position are on a locus described by the first end side portion of the weight member during rotating about said first axis, and
- a fastener for fixing the second end side portion of the weight member to either the second position or the third position of the head main body so that the weight member is fixed to the sole portion, wherein
- the sole portion is provided with a first hole, a second hole and a third hole each penetrating through the sole portion, and formed at the first position, the second position and the third position, respectively, and
- said fastener is a screw penetrating the second hole or the third hole.
Dependencies are inferred from the claim text.