Golf club and method of adjusting properties thereof
First Claim
Patent Images
1. A golf club comprising:
- a hosel of a head to which a leading end of a shaft is attached;
a weight material for adjusting weight; and
a communication opening which communicates the lower end portion of the hosel hole with an inside of the head, whereinthe weight material is detachably screwed into the communication opening, wherein;
the leading end of the shaft is inserted into and bonded to a shaft inserting hole of a substantially cylindrical shaft case including the shaft inserting hole;
the shaft case is inserted into the hosel hole;
an axial center of the shaft inserting hole is obliquely directed with respect to an axial center of the hosel hole;
the shaft case is fixed to the hosel with a ring-shaped screw member which fits onto the shaft case and is detachably screwed into the hosel on the upper end side;
the screw member is arranged in an outer circumference of the shaft case in the non-contact state with respect to the shaft; and
at least a part of an inner circumferential surface of the hosel hole and at least a part of the outer circumferential surface of the shaft case respectively have a sectional shape in the direction perpendicular to the axial center line, which is a multiangular shape with 3 or more sides.
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Accused Products
Abstract
A golf club includes: a hosel of a head to which a leading end of a shaft is attached; a weight material for adjusting weight being provided in a lower end portion of a hosel hole; and a communication opening which communicates the lower end portion of the hosel hole with an inside of the head, wherein the weight material is detachably screwed into the communication opening.
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Citations
6 Claims
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1. A golf club comprising:
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a hosel of a head to which a leading end of a shaft is attached; a weight material for adjusting weight; and a communication opening which communicates the lower end portion of the hosel hole with an inside of the head, wherein the weight material is detachably screwed into the communication opening, wherein; the leading end of the shaft is inserted into and bonded to a shaft inserting hole of a substantially cylindrical shaft case including the shaft inserting hole; the shaft case is inserted into the hosel hole; an axial center of the shaft inserting hole is obliquely directed with respect to an axial center of the hosel hole; the shaft case is fixed to the hosel with a ring-shaped screw member which fits onto the shaft case and is detachably screwed into the hosel on the upper end side; the screw member is arranged in an outer circumference of the shaft case in the non-contact state with respect to the shaft; and at least a part of an inner circumferential surface of the hosel hole and at least a part of the outer circumferential surface of the shaft case respectively have a sectional shape in the direction perpendicular to the axial center line, which is a multiangular shape with 3 or more sides. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification