JP2012125511A - Putter head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a putter head that enables a user to easily put topspin on a ball with less temperature dependence.SOLUTION: A recess 2H is formed on a front surface (face surface) of a head body 2. A face insert 3 is disposed in the recess 2H. The face insert 3 comprises a plate part 3a that constitutes most of the face surface of the putter head 1, and a bracket part 3b that is extended backward from an upper edge of the plate 3a. A longitudinal section has an inverted L shape. The bracket part 3b is engaged with a groove 2G of a top surface part of a head body 2, and fixed to the head body 2 with a bolt 6.

Description

  The present invention relates to a putter head of a golf putter, and more particularly to a putter head having a face insert attached to the face surface of a head body.

  A golf putter is a club used mainly for hitting a ball on a green and rolling the ball toward a cup. Japanese Patent Application Laid-Open No. 2007-117635 describes that a face insert is attached to the face surface of a putter head to soften the hit feeling.

  Japanese Patent Application Laid-Open No. 2001-62008 describes a putter head in which a synthetic resin foam is integrally provided at a lower portion of a face surface to easily apply top spin. However, since the synthetic resin foam has a strong temperature dependency of characteristics, the top spin is considerably changed depending on the temperature.

JP2007-117635A JP2001-62008

  The present invention reduces a backspin of a ball when hitting the ball as compared with a normal putter, and consequently, a putter head in which the topspin is easily applied to the ball and the temperature dependency of the ease of applying the topspin is small. The purpose is to provide.

  The putter head according to claim 1 is a putter head in which a face insert is mounted on a face surface of a head main body, the face insert being connected to a plate portion disposed on the face surface and an upper edge of the plate portion. A bracket portion extending rearward along the top surface of the head portion, the bracket portion being fixed to the upper surface portion of the head body, and a space between the rear surface of the plate portion and the head body. Or a viscoelastic material is disposed in the space.

  A putter head according to a second aspect of the present invention is the putter head according to the first aspect, wherein the bracket portion includes a bolt insertion hole penetrating in the vertical direction, and the bolt is screwed into the head body through the bolt insertion hole, whereby the face insert is It is fixed to the main body.

  A putter head according to a third aspect of the present invention is the putter head according to the first or second aspect, wherein the bracket portion includes a hanging portion that wraps around the rear surface of the head main body, and a bolt insertion hole is formed through the hanging portion in the front-rear direction. The face insert is fixed to the head main body by screwing the bolt inserted into the bolt insertion hole into the head main body.

  A putter head according to a fourth aspect is characterized in that, in any one of the first to third aspects, a groove in which the bracket portion is engaged is provided on a top surface of the head main body.

  A putter head according to a fifth aspect of the present invention is the putter head according to any one of the first to fourth aspects, comprising a plurality of face inserts having different plate portions as spare parts, and one selected from the spare parts. One face insert is detachably attached to the head body.

  The putter head according to claim 6 is provided with a viscoelastic material having a different thickness as a spare part in claim 5, and a viscoelastic material having a thickness corresponding to the thickness of the face insert is selected from the spare parts. It is selected and arranged in the space portion.

  A space is formed between the rear surface of the plate portion of the face insert of the putter head of the present invention and the head body, or a viscoelastic material is disposed in this space. Therefore, when the ball is hit, the lower portion of the plate portion of the face insert is retracted, the backspin is reduced, the topspin is easily applied to the ball, and the straightness of the hit ball is improved.

  In addition, a ball hitting sound and a hit feeling can be adjusted by arrange | positioning a viscoelastic material to the rear surface side of this plate part.

  In the present invention, the face insert may be changed to a plate having a different thickness.

It is a perspective view of the putter head concerning an embodiment. It is a front view of the putter head of FIG. It is the III-III sectional view taken on the line of FIG. It is a disassembled perspective view of the putter head of FIG. It is sectional drawing of the putter head which concerns on another embodiment. It is sectional drawing of the putter head which concerns on another embodiment. It is sectional drawing of the putter head which concerns on another embodiment. It is sectional drawing of the putter head which concerns on another embodiment. It is sectional drawing of the putter head which concerns on another embodiment. It is sectional drawing of the putter head which concerns on another embodiment. It is a perspective view of a putter head concerning a different embodiment. It is a disassembled perspective view of the putter head of FIG. It is sectional drawing of the face insert of the putter head concerning another embodiment. It is sectional drawing of the face insert of the putter head concerning another embodiment.

  Hereinafter, embodiments will be described with reference to the drawings.

  1 to 4 show a putter head 1 according to a first embodiment. In the putter head 1, a recess 2H is provided on the front surface (face surface) of the head body 2, and a groove 2G is provided on the top surface portion. The groove 2G is provided with a female screw hole 2a into which a bolt 6 described later is screwed. The face insert 3 is disposed so as to engage with the recess 2H and the groove 2G. In this embodiment, the head main body 2 is made of a metal such as an aluminum alloy, a titanium alloy, a copper alloy, or stainless steel. The face insert 3 is made of a synthetic resin such as polyester, nylon, or urethane, or a metal such as an aluminum alloy, a copper alloy, or stainless steel. The front surface of the face insert 3 is flush with the front surface of the head body 2 around the recess 2H.

  The face insert 3 includes a plate portion 3a constituting most of the face surface of the putter head 1 and a bracket portion 3b extending rearward from the upper edge of the plate portion 3a. Is an inverted L-shape. A bolt insertion hole 3c is provided in the bracket portion 3b. In this embodiment, the upper end surface of the plate portion 3 a is exposed to the top surface portion of the head body 2.

  A viscoelastic material 7 is disposed between the rear surface of the plate portion 3a and the back wall surface of the recess 2H so as to be in contact with both. As the viscoelastic material, rubber, elastomer, soft synthetic resin, or the like is used. The viscoelastic material 7 may be adhered or adhered to the rear surface of the plate portion 3a. Although the side end surface and the lower end surface of the viscoelastic material 7 are flush with the side end surface and the lower end surface of the plate portion 3a, they may recede more than that.

  The face insert 3 is fixed to the head body 2 by passing the bolt 6 through the bolt insertion hole 3c and screwed into the female screw hole 2a, whereby the putter head 1 is configured.

  The front view shapes of the concave portion 2H and the plate portion 3a of the face insert 3 are horizontally long and substantially rectangular.

  The horizontal width and vertical width of the plate portion 3a are slightly smaller than the concave portion 2H, and a slight gap 4 is provided between the vertical and horizontal side surfaces of the plate portion 3a and the peripheral surface of the concave portion 2H. The width of the gap 4 is preferably about 0.3 to 1.5 mm, particularly about 0.4 to 1.0 mm. As for the size of the plate part 3a, the vertical width is preferably 16 to 30 mm, particularly 18 to 25 mm, the horizontal width is 50 to 150 mm, particularly 70 to 100 mm, and the thickness is preferably about 0.8 to 3 mm, but is not limited thereto.

  A putter is configured by connecting a shaft to the hosel portion 1h of the putter head 1 configured as described above. When putting with this putter (hitting the ball on the green with the face surface), when the ball is hit, the front side of the lower part of the plate portion 3a of the face insert 3 slightly recedes, making it easy to apply top spin and hit. The straightness of the ball is improved. The viscoelastic material 7 hardly affects the deformation of the plate portion 3a, and the easiness of top spin is not temperature dependent.

  When the viscoelastic material 7 is disposed on the rear surface of the plate portion 3a as in the putter head 1, it is possible to adjust the hitting sound and feel when the ball is hit.

  In the above embodiment, the back wall surface of the recess 2H is a vertical plane. However, as shown in FIG. 5, a deep recess 2h is provided on the back wall surface and is fitted into the deep recess 2h as a viscoelastic material 7 '. You may use what has the combined convex part in the back surface.

  In the above embodiment, the viscoelastic materials 7 and 7 'are arranged on the rear surface of the plate portion 3a. However, the viscoelastic materials 7 and 7' are omitted as in the putter head 1A of FIG. The space between the rear surface and the inner wall surface of the recess 2H may be a space.

  In the above embodiment, the gap 4 is formed around the plate portion 3a of the face insert 3. However, like the putter head 1B in FIG. 7A, the gap 4 has rubber, elastomer, synthetic resin, etc. The viscoelastic material 8 may be distributed. Further, like the putter head 1C of FIG. 8 (a), the plate portion 3a of the face insert 3 may be fitted to the recess 2H so that the gap 4 is not generated. Also in the embodiment shown in FIGS. 7 and 8, as in the putter heads 1B ′ and 1C ′ shown in FIGS. 7 (b), a deep recess 2h is provided in the recess 2H, and the viscoelastic material 7 ′ is disposed. Good.

  If the gap 4 and the viscoelastic material 8 are provided between the peripheral surface of the face insert 3 and the peripheral surface of the recess 2H as in the putter head of FIGS. 1 to 7, the rebound characteristics of the face insert are as designed. The effect of becoming.

  In the present invention, like the face insert 3D of the putter head 1D in FIG. 9 (a), the plate portion 3a may be extended to the bottom surface of the putter head 1D. In the putter head 1D, the viscoelastic material 7D also extends to the bottom surface of the putter head 1D. Note that the viscoelastic material 7D may not reach the bottom surface of the putter head 1D. The viscoelastic material 7D may be omitted.

  In the present invention, like the face insert 3 of the putter head 1E in FIG. 10 (a), a hanging portion 3d is provided at the rear end of the bracket portion 3b, and this hanging portion 3d is superimposed on the rear surface of the head body 2E. The hanging portion 3d may be fixed to the head main body 2E by the bolt 6. Note that a bolt insertion hole 3e through which the bolt 6 passes is provided in the drooping portion 3d in the front-rear direction. Also in the embodiment shown in FIGS. 9 and 10, a deep recess 2h may be provided in the recess 2H as in the putter heads 1D 'and 1E' shown in FIGS.

  In each of the above embodiments, the upper end of the plate portion 3a reaches the upper end surface of the head main body. However, like the putter head 1 in FIGS. The plate portion 3a may be disposed on the lower side of the upper edge front surface 2f by projecting above the 3F plate portion 3a. Other configurations in FIGS. 11 and 12 are the same as those in FIGS. 1 and 4, and the same reference numerals denote the same parts.

  In each of the above embodiments, the rear surface of the plate portion 3a is substantially vertical, but the rear surface of the plate portion 3a may be inclined like the face inserts 3G and 3H in FIGS. In the face insert 3G shown in FIG. 13, the rear surface of the plate portion 3a is inclined so that the upper portion is forward. In the face insert 3H of FIG. 14, the rear surface of the plate portion 3a is inclined so as to be rearward as it goes upward. Although illustration is omitted, at least a part of the rear surface of the plate portion 3a may be a curved surface.

  In the above embodiment, the front surface of the face insert is flat, but a plurality of horizontally long grooves may be provided in parallel. The width (vertical width) of the groove is preferably about 0.3 to 1.6 mm, and the depth of the groove is preferably about 0.05 to 1.1 mm.

  Each of the above embodiments is an example of the present invention, and the present invention may be configured other than illustrated. For example, the bracket portion of the face insert may be fixed to the head body by fixing means other than bolts such as adhesion and caulking.

  In the present invention, a plurality of face inserts having different plate thicknesses may be prepared as spare parts, and one of the spare parts may be selected and attached to the head body. Good. In this way, the face insert can be selected and attached to the head body according to the player's preference and tone, the green condition of the golf course, and the like. Thereby, it is possible to adjust the hit feeling and adjust the ease of applying the top spin. In addition, when arrange | positioning a viscoelastic material in the back side of a plate part, several things from which thickness differs also as a viscoelastic material are prepared as a spare part. Then, a viscoelastic material having an appropriate thickness is selected from the spare parts and mounted on the head body so that the sum of the thickness of the plate portion and the thickness of the viscoelastic material matches the depth of the recess 2H. .

1, 1 ', 1A-1F Putter head 2 Head body 2H Recess 2h Deep recess 3, 3D, 3E, 3F, 3G, 3H Face insert 3a Plate part 3b Bracket part 3d Hanging part 6 Bolt 7, 7', 8 Viscoelasticity Material

Claims (6)

In a putter head with a face insert attached to the face surface of the head body,
The face insert has a plate portion arranged on the face surface, and a bracket portion connected to the upper edge of the plate portion and extending rearward along the top surface of the head body,
The bracket portion is fixed to the upper surface portion of the head body,
A putter head characterized in that a space portion is formed between the rear surface of the plate portion and the head body, or a viscoelastic material is disposed in the space portion.   2. The bracket according to claim 1, wherein the bracket portion includes a bolt insertion hole penetrating in a vertical direction, and the face insert is fixed to the head main body by screwing a bolt into the head main body through the bolt insertion hole. Characteristic putter head.   3. The bracket portion according to claim 1, wherein the bracket portion includes a hanging portion that wraps around the rear surface of the head body, and a bolt insertion hole is provided in the hanging portion in the front-rear direction, and is inserted into the bolt insertion hole. A putter head, wherein the face insert is fixed to the head body by screwing a bolt into the head body.   4. The putter head according to claim 1, wherein a groove engaged with the bracket portion is provided on a top surface of the head main body. In any one of Claims 1 thru | or 4, It equips with the several face insert from which the thickness of a plate part differs as a spare part,
A putter head, wherein one face insert selected from the spare parts is detachably attached to the head body. In claim 5, viscoelastic materials having different thicknesses are provided as spare parts,
A putter head, characterized in that a viscoelastic material having a thickness corresponding to the thickness of the face insert is selected from the spare parts and arranged in the space.

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