JP2010259579A - Putter head - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a putter head which includes an addressing part with an alignment mark for address confirmation excellent in visibility from above and enables a golfer to easily take a putting address suited to himself/herself. <P>SOLUTION: In the putter head 10 with a metallic head body 12, the addressing part 16 made of a material different from that of the head body is installed behind a face part 14 on the upper surface of the head body. At a part of the addressing part visible from above, the alignment mark 18 which includes a colored pattern which looks differently depending on the angle of view from above is displayed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a putter head having a function of supporting a golfer to take a putting address suitable for himself and capable of performing putting accurately.

  Conventionally, a putter club has a function that assists a golfer to put a putter head or a golf ball directly under the eyes so that a putting address suitable for the golfer can always be taken, so that the putting can be performed more accurately. The thing of patent document 1 is proposed.

  The putter club of Patent Document 1 is provided with a hole in the head that is substantially parallel to the line of sight connecting the head and the eyes of the golfer on the vertical line (claim 1). The hole may be a through-hole penetrating the head in the vertical direction or a hole with a predetermined depth (paragraphs 0007 and 0012). According to the putter club of Patent Document 1, the state of the hole reflected in the eye changes according to the position of the golfer's eye with respect to the hole of the head (in terms of the golfer's eye, according to the position of the hole with respect to the golfer's eye) The state of the hole reflected in the eye can be used as information on “head and eye position”, and as a result, information on “sphere and eye position” (paragraph 0021).

Japanese Patent Laid-Open No. 9-313652

  However, the putter club of Patent Document 1 is provided with a hole in the head in the vertical direction, and it is difficult for light to enter the hole, and when the golfer takes a putting address, the state of the hole is visually confirmed from above. For this reason, it has been difficult to always obtain a putting address suitable for a golfer.

  The present invention has been made in view of the above circumstances, and includes an address part having an alignment mark for address confirmation excellent in visibility from above, and a golfer can easily take a putting address suitable for himself. An object of the present invention is to provide a putter head that can be used.

  In order to achieve the above object, the present invention provides a putter head having a metal head main body, wherein an address part made of a material different from the head main body is installed behind the face portion on the upper surface of the head main body, and Provided is a putter head characterized in that an alignment mark is displayed at a location that can be seen from above the address part, and is formed with a colored pattern, and the appearance of the pattern changes depending on the angle seen from above.

  In the putter head of the present invention, an address part is installed on the upper surface of the head body, and an alignment mark for confirming an address, which changes the appearance of the pattern depending on the angle viewed from above, is located on the upper part of the address part. Since it is displayed, the light hits the alignment mark well, so that the visibility from above the alignment mark is excellent, and it is easy for the golfer to take a putting address suitable for himself. In particular, in the present invention, since the address parts are formed of a material different from that of the head body, the appearance (color, texture, etc.) of the head body and the address parts from above are different. Visibility is improved.

  In the present invention, the address part has a maximum toe-heel direction length of 10% or more, particularly 15 to 85% of the maximum length of the head body in the toe-heel direction, and the maximum length of the head body in the face-back direction. It is preferable to have a maximum face-back direction length of 15% or more, particularly 20 to 90%. More specifically, the address part preferably has a maximum toe-heel direction length of 10 to 110 mm and a maximum face-back direction length of 10 to 110 mm. By increasing the address parts in this way, the visibility from above the alignment mark can be further improved. In addition, when the address parts are made larger as described above, it is appropriate that the address parts are made of a material having a specific gravity smaller than that of the head body in terms of suppressing an increase in the weight of the putter head.

In the present invention, the manner in which the appearance of the pattern of the alignment mark is changed depending on the angle viewed from above is not limited, but examples include the following (A) to (E).
(A) The address part includes a flat plate portion and a columnar portion formed on the flat plate portion, and the alignment mark is located on the upper surface of the flat plate portion or the upper surface of the flat plate portion and the columnar portion near the center portion of the alignment mark. When viewed from above, it is displayed so that it appears to be symmetrical left and right and up and down, and a part of the alignment mark is concealed by the columnar part depending on the angle at which the alignment mark is viewed from above. The manner in which the appearance of the image changes
(B) The address part includes a flat plate portion and a columnar portion formed on the flat plate portion, and the alignment mark is located on the upper surface of the flat plate portion and the columnar portion when the vicinity of the center portion of the alignment mark is viewed from directly above. It is displayed so as to be symmetrical left and right and up and down, and due to the difference between the part displayed on the flat plate part of the alignment mark and the part displayed on the columnar part depending on the angle at which the alignment mark is viewed from above, A mode in which the appearance of the alignment mark pattern changes depending on the viewing angle.
(C) The address part includes a lower flat plate portion and an upper flat plate portion that has one or a plurality of through holes and is disposed above the lower flat plate portion. It is displayed on the upper surface so that it appears to be symmetrical left and right and up and down through the through-hole when viewed near the center of the alignment mark from directly above. An aspect in which the appearance of the pattern of the alignment mark changes depending on the angle viewed from above by being hidden.
(D) The address part includes a lower flat plate portion and an upper flat plate portion having a plurality of through holes and disposed above the lower flat plate portion, and the alignment mark is displayed on the upper surface of the upper flat plate portion. An aspect in which the appearance of the pattern of the alignment mark changes depending on the angle viewed from above, by viewing the alignment mark from different through holes depending on the angle of viewing the alignment mark from above.
(E) The address part includes a lower flat plate portion and an upper flat plate portion that has one or a plurality of through holes and is disposed above the lower flat plate portion, and the alignment mark is formed on the lower flat plate portion. The top surface of the alignment mark is displayed so that it cannot be seen through the through-hole when viewed from directly above the center of the alignment mark. The appearance of the alignment mark pattern changes depending on

  In the putter head of the present invention, it is preferable that the address part is installed at the center of the head body in the toe-heel direction. This makes it easy to place the putter head or golf ball directly under the eyes.

  In the putter head of the present invention, the address parts are usually fixed to the head main body and installed so as not to be replaced. However, the address parts may be installed in the head main body in a replaceable manner. This makes it possible to replace the address parts as appropriate according to the golfer's preference. In this case, the head body and the address part can be provided with an alignment means for correctly aligning the mounting position of the address part to the head body. In this case, the alignment means is used when replacing the address part. Address parts can be correctly attached to the head body.

  In the present invention, the material of the head body and address parts is not limited, but examples of the material of the head body include aluminum, aluminum alloy, copper, copper alloy, titanium, titanium alloy, and stainless steel. Examples of the material for the parts include aluminum, aluminum alloy, copper, copper alloy, titanium, titanium alloy, stainless steel, resin, plastic, ceramics, and carbon. Moreover, the alignment mark to which the color was given can be formed by surface treatments such as paint, pigment, plating, ion plating, alumite treatment and the like having appropriate colors such as red, black, and green.

  Examples of fixing means for the head main body and the address parts include fixing means using male and female screw parts, fixing means by fitting, fixing means using an adhesive, and the like.

  Since the putter head of the present invention is excellent in visibility from above the alignment mark, it is easy for a golfer to take a putting address suitable for himself.

BRIEF DESCRIPTION OF THE DRAWINGS The 1st Embodiment of the putter head based on this invention is shown, (a) is a top view, (b) is a side view. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. The 2nd Embodiment of the putter head concerning this invention is shown, (a) is a top view, (b) is a side view. It is a disassembled perspective view which shows the parts for addresses of the putter head of FIG. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is. It shows an example of an address part, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is viewed from directly above, (c), (D) is a view when the alignment mark is viewed obliquely from above It is a figure which shows a state. It shows an example of an address part, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is viewed from directly above, (c), (D) is a view when the alignment mark is viewed obliquely from above It is a figure which shows a state. An example of an address part is shown, (a) is a perspective view, (b) is a diagram showing a state when the alignment mark is seen from directly above, and (c) is a diagram showing a state when the alignment mark is seen from diagonally above. It is.

  Hereinafter, the present invention will be described in detail with reference to the drawings.

(First embodiment)
1A and 1B show a first embodiment of a putter head according to the present invention, in which FIG. 1A is a plan view and FIG. 1B is a side view. In the putter head 10 of this example, an address part 16 made of a material different from the head main body 12 and having a specific gravity smaller than that of the head main body 12 is installed behind the face portion 14 on the upper surface of the metal head main body 12. ing. In addition, an alignment mark 18 is displayed at a location that can be seen from above the address part 16. The alignment mark 18 is made of a colored pattern, and the appearance of the pattern changes depending on the angle seen from above. Note that. Although not shown, a hosel part is provided on the heel side of the blade part 15 (the same applies to second and third embodiments described later).

  The address part 16 includes a disk-shaped flat plate portion 20 and a columnar columnar portion 22 formed on the central portion of the flat plate portion 20. Further, as shown in FIG. 2A, the alignment mark 18 is red (formed by red paint, the same applies hereinafter) displayed on the bottom of a shallow groove provided around the columnar portion 22 on the upper surface of the flat plate portion 20. It is a circular ring shape. The alignment mark 18 appears to be laterally and vertically symmetric when the vicinity of the center portion of the alignment mark 18 is viewed from directly above, and is partially hidden by the columnar portion 22 depending on the angle at which the alignment mark 18 is viewed from above. The appearance of the pattern changes depending on the angle viewed from above. FIG. 2B shows a state in which the vicinity of the center of the alignment mark 18 is seen from directly above, and FIG. 2C shows a state in which the alignment mark 18 is seen obliquely from above.

  The address part 16 has a maximum toe / heel direction length m of about 25% of the maximum toe / heel direction length of the head body 12 and about 33 of the maximum face / back direction length of the head body 12. % With a maximum face-back length n.

(Modification of the first embodiment)
As the addressing part 16 in the putter head of the first embodiment, for example, those shown in FIGS. 3 to 9 can be used in addition to those shown in FIG. Each of the address parts 16 in FIG. 3 to FIG. 9 includes a disk-shaped flat plate portion 20 and a columnar columnar portion 22 formed on the central portion of the flat plate portion 20. An alignment mark 18 is displayed. Further, the alignment marks 18 of the address parts 16 in FIGS. 3 to 9 both appear to be symmetrical left and right and vertically when the vicinity of the center of the alignment mark 18 is viewed from directly above, and the alignment mark 18 is viewed from above. Due to the difference between the portion displayed on the flat plate portion 20 of the alignment mark 18 and the portion displayed on the upper flat plate portion 22 depending on the angle, the appearance of the pattern changes depending on the angle viewed from above. 3 (b) to 9 (b) each show a state in which the vicinity of the center portion of the alignment mark 18 is viewed from directly above, and FIGS. 3 (c) to 9 (c) respectively show the alignment mark 18 obliquely from above. Shows the state of viewing.

(Address parts in Fig. 3)
As shown in FIG. 3A, the alignment mark 18 of the address part 16 of the present example has two red lines along the vertical direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. Two red straight lines along the straight line and the horizontal direction, and two red straight lines along the vertical direction displayed on the bottom of the shallow groove provided on the upper surface of the columnar part 22 and two along the horizontal direction It consists of a red line of books.

(Address parts in Fig. 4)
As shown in FIG. 4A, the alignment mark 18 of the address part 16 in the present example has three red lines along the horizontal direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. It consists of a straight line and three red straight lines along the horizontal direction displayed on the bottom of the shallow groove provided on the upper surface of the columnar part 22.

(Address parts in Fig. 5)
As shown in FIG. 5A, the alignment mark 18 of the address part 16 in this example is mutually connected in the circumferential direction displayed on the bottom of the shallow groove provided around the columnar portion 22 on the upper surface of the flat plate portion 20. It consists of four red semicircles that are equally spaced apart and four red semicircles that are spaced equidistantly from each other in the circumferential direction displayed on the bottom of the shallow groove provided on the peripheral edge of the upper surface of the columnar part 22.

(Address parts in Fig. 6)
As shown in FIG. 6A, the alignment mark 18 of the addressing part 16 in this example has four alignment marks that are spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. The red circle and four red circles spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided in the vicinity of the peripheral edge of the upper surface of the columnar portion 22.

(Address parts in Fig. 7)
As shown in FIG. 7A, the alignment mark 18 of the address part 16 in this example has four alignment marks that are spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. It consists of a red triangle and four red triangles spaced apart from each other at equal intervals in the circumferential direction displayed at the bottom of the shallow groove provided in the vicinity of the peripheral edge of the top surface of the columnar section 22.

(Address parts in Fig. 8)
As shown in FIG. 8A, the alignment mark 18 of the address part 16 in this example has four alignment marks that are spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. It consists of a red trapezoid and four red triangles spaced apart at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided in the vicinity of the peripheral edge of the top surface of the columnar section 22.

(Address parts in Fig. 9)
As shown in FIG. 9A, the alignment mark 18 of the address part 16 of the present example includes two pieces spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided on the upper surface of the flat plate portion 20. It consists of a red circle and two red circles spaced apart from each other at equal intervals in the circumferential direction displayed on the bottom of the shallow groove provided in the vicinity of the upper peripheral edge of the columnar section 22. The circle in this example is slightly larger than the circle of the alignment mark 18 in FIGS.

(Second Embodiment)
10A and 10B show a second embodiment of a putter head according to the present invention. FIG. 10A is a plan view and FIG. 10B is a side view. The putter head 30 of this example is provided with an address part 36 made of a material different from the head main body 32 and having a specific gravity smaller than that of the head main body 12 behind the face portion 34 on the upper surface of the metal head main body 32. ing. In addition, an alignment mark 38 is displayed at a location that can be seen from above the address part 36. The alignment mark 38 is made of a colored pattern, and the appearance of the pattern changes depending on the angle seen from above.

  The address part 36 has a disk-shaped lower flat plate portion 40 and a disk-shaped upper flat plate portion 42 having an outer diameter equal to that of the lower flat plate portion 40 and disposed above the lower flat plate portion 40. And two connecting portions 44 that connect the lower flat plate portion 40 and the upper flat plate portion 42. One circular through hole 46 is formed in the central portion of the upper flat plate portion 42. In this example, as shown in FIG. 11, the lower flat plate portion 40 and the two connecting portions 44 are integrally formed, and the concave portion 48 provided on the upper surface of the connecting portion 44 is formed on the lower surface of the upper flat plate portion 42. The connecting portion 44 and the upper flat plate portion 42 are connected by inserting the provided convex portion 50.

  Further, as shown in FIG. 12A, the alignment mark 38 is a red circle displayed on the bottom of a shallow groove provided below the periphery of the through hole 46 on the upper surface of the lower flat plate portion 40. It is ring-shaped. The alignment mark 38 appears to be laterally and vertically symmetrical through the through hole 46 when the vicinity of the center of the alignment mark 38 is viewed from directly above, and a part of the alignment mark 38 depends on the angle at which the alignment mark 38 is viewed from above. The pattern appearance changes depending on the angle seen from above. FIG. 12B shows a state in which the vicinity of the center portion of the alignment mark 38 is seen from directly above, and FIG. 12C shows a state in which the alignment mark 38 is seen obliquely from above.

  The address part 36 has a maximum toe-heel direction length of about 25% of the maximum toe-heel direction length of the head body 32, and about 33% of the maximum face-back direction length of the head body 32. Maximum length in the face-back direction.

(Modification of the second embodiment)
As the address part 36 in the putter head according to the second embodiment, for example, those shown in FIGS. 13 to 16 can be used in addition to those shown in FIG. Each of the address parts 36 in FIGS. 13 to 16 has a disk-like lower flat plate portion 40 and an outer diameter equal to that of the lower flat plate portion 40, and is disposed above the lower flat plate portion 40. It has a disk-shaped upper flat plate portion 42, and two connecting portions 44 that connect the lower flat plate portion 40 and the upper flat plate portion 42, and an alignment mark 38 is displayed at a location visible from above.

(Address parts in Fig. 13)
As shown in FIG. 13A, two circular through holes 46 are formed in the vertical center of the upper flat plate part 42 of the address part 36 in this example, and the two through holes 46 A mark 37 made of a red circle is displayed at the bottom of the shallow groove provided at the center. The two through holes 46 and the marks 37 are arranged at equal intervals along the left-right direction. The alignment mark 38 is composed of two red circles displayed on the bottom of the shallow groove provided below the two through holes 46 on the upper surface of the lower flat plate portion 40. The alignment mark 38 looks symmetrical left and right and vertically through the through hole 46 when the vicinity of the center portion of the alignment mark 38 is viewed from directly above, and a part of the alignment mark 38 depends on the angle of viewing the upper flat plate portion 42 from above. By being hidden by 42, the appearance of the pattern changes depending on the angle viewed from above. Since the mark 37 on the upper flat plate portion 42 looks almost a perfect circle when viewed from directly above as well as when viewed from obliquely above, it can serve as a reference for the appearance of the circular alignment mark 38. Have FIG. 13B shows a state in which the vicinity of the center portion of the alignment mark 38 is seen from directly above, and FIG. 13C shows a state in which the alignment mark 38 is seen obliquely from above.

(Address parts in Fig. 14)
As shown in FIG. 14A, three rectangular through holes 46 are formed at equal intervals in the left-right direction at the center in the vertical direction of the upper flat plate portion 42 of the address part 36 in this example. ing. The alignment mark 38 is composed of three red straight lines displayed on the bottom of the shallow groove provided substantially below the three through holes 46 on the upper surface of the lower flat plate portion 40. Of these three straight lines, the left straight line is formed slightly above the central straight line, and the right straight line is formed slightly below the central straight line. That is, the three straight lines are arranged so as to be shifted vertically. The alignment mark 38 is partially hidden by the upper flat plate portion 42 depending on the angle at which the alignment mark 38 is viewed from above, so that the appearance of the pattern changes depending on the angle viewed from above. Specifically, when the vicinity of the center portion of the alignment mark 38 is viewed from directly above, the central straight line can be seen through the central through hole 46, and when the alignment mark 38 is viewed from obliquely above, the right straight line is seen through the right through hole 46. Or the left straight line can be seen through the left through hole 46. In this case, the address at which the central straight line can be seen through the central through hole 46 is not appropriate for all golfers. Depending on the golfer, the right straight line can be seen through the right through hole 46 or the left side through the left through hole 46. The state where the straight line can be seen may be an appropriate address, and the golfer can always easily take a putting address suitable for himself by selecting an appropriate appearance of the alignment mark 38 for himself. become. FIG. 14B shows a state in which the vicinity of the center portion of the alignment mark 38 is viewed from directly above, and FIGS. 14C and 14D show a state in which the alignment mark 38 is viewed obliquely from above.

(Address parts in Fig. 15)
As shown in FIG. 15 (a), three rectangular through holes 46 are formed at equal intervals in the vertical direction at the central portion in the vertical direction of the upper flat plate portion 42 of the address part 36 of this example. In addition, there are six triangular shallow grooves on both sides of the three rectangles, and a red triangular mark is displayed at the bottom of the shallow grooves. The alignment mark 38 includes three red straight lines displayed at the bottom of the shallow groove provided below the three rectangular through holes 46 on the upper surface of the lower flat plate portion 40. The alignment mark 38 is partially hidden by the upper flat plate portion 42 depending on the angle at which the alignment mark 38 is viewed from above, so that the appearance of the pattern changes depending on the angle viewed from above. Specifically, when the vicinity of the central portion of the alignment mark 38 is viewed from directly above, a central straight line can be seen through the central rectangular through hole 46, and when the alignment mark 38 is viewed obliquely from above, the upper rectangular through hole 46 is visible. The upper straight line can be seen through, or the lower straight line can be seen through the lower rectangular through hole 46. In this case, the address at which the central straight line can be seen through the central through hole 46 is not appropriate for all golfers. Depending on the golfer, the upper straight line can be seen through the upper through hole 46 or the lower through hole 46 can be seen. The state in which the lower straight line can be seen may be an appropriate address, and by selecting an appropriate appearance of the alignment mark 38 for the golfer, the golfer can always easily take a putting address that suits him / her. become able to. FIG. 15B shows a state in which the vicinity of the center portion of the alignment mark 38 is viewed from directly above, and FIGS. 15C and 15D show a state in which the alignment mark 38 is viewed obliquely from above.

(Address parts in Fig. 16)
As shown in FIG. 16A, one circular through hole 46 is formed in the central portion of the upper flat plate portion 42 of the address part 36 in this example. The alignment mark 38 is in the form of a red circular ring displayed on the bottom of a shallow groove provided on the lower surface of the upper surface of the lower flat plate portion 40 outside the periphery of the through hole 46. This alignment mark 38 is displayed so that it cannot be seen through the through hole 46 when the vicinity of the center portion of the alignment mark 38 is viewed from directly above, and a part of the alignment mark 38 depends on the angle at which the alignment mark 38 is viewed from above. By seeing, the appearance of the pattern of the alignment mark 38 changes depending on the angle seen from above. FIG. 16B shows a state in which the vicinity of the center portion of the alignment mark 38 is seen from directly above, and FIG. 16C shows a state in which the alignment mark 38 is seen obliquely from above.

  In the putter head addressing part 36 according to the second embodiment and its modification described above, since there is a gap between the lower flat plate portion 40 and the upper flat plate portion 42, the alignment mark 38 is often exposed to light, and the alignment mark 38 The visibility from above 38 is excellent. Therefore, unlike the putter head of Patent Document 1, the putter head using these address parts 36 does not cause a problem that light does not easily enter the hole.

  In the first embodiment and the second embodiment described above, the alignment marks are displayed symmetrically in the left-right and vertical directions. However, the alignment mark is not limited to this, and is not limited thereto. May be displayed.

  The putter heads shown in FIGS. 1 and 10 were respectively produced. Stainless steel was used as the material of the head body, and it was produced by casting (lost wax manufacturing method). Aluminum was used as the material for the address parts, and it was made by cutting out from a plate or a cylindrical bar. The reason why the address parts are cut out is that the address parts are required to have high accuracy. As a means for fixing the head body and the address parts, a male screw part is provided at the base of the address part, a female screw part is provided at the head body, and the address parts are screwed onto the head body and bonded with an adhesive. By adopting, the address parts were made non-exchangeable.

  Each of the putter heads produced in the examples was excellent in visibility from above the alignment mark, and it was easy for the golfer to take a putting address suitable for himself.

DESCRIPTION OF SYMBOLS 10 Putter head 12 Head main body 14 Face part 16 Address part 18 Alignment mark 20 Flat plate part 22 Columnar part 30 Putter head 32 Head main body 34 Face part 36 Address part 38 Alignment mark 40 Lower flat plate part 42 Upper flat plate part 46 Through-hole 50 Putter head 52 Head body 54 Face 56 Address parts 58 Alignment mark 60 Groove 62 Wall

Claims (10)

  In a putter head having a metal head main body, an address part made of a material different from that of the head main body is installed behind the face portion on the upper surface of the head main body, and a color can be seen at a position visible from above the address part. The putter head is characterized in that an alignment mark is displayed, which is formed by a pattern to which the appearance of the pattern changes depending on an angle viewed from above.   The address part has a maximum toe / heel direction length of 10% or more of the maximum toe / heel direction length of the head body, and a maximum face / length of 15% or more of the maximum face / back direction length of the head body. The putter head according to claim 1, wherein the putter head has a length in a back direction.   The putter head according to claim 1, wherein the address part is made of a material having a specific gravity smaller than that of the head main body.   The address part includes a flat plate portion and a columnar portion formed on the flat plate portion, and the alignment mark is near the center portion of the alignment mark on the upper surface of the flat plate portion or on the upper surface of the flat plate portion and the columnar portion. When viewed from directly above, it is displayed so as to be symmetrical left and right and up and down, and the alignment mark is hidden by the columnar part depending on the angle at which the alignment mark is viewed from above, so that the alignment mark is viewed according to the angle from above. The putter head according to claim 1, wherein the appearance of the pattern changes.   The address part includes a flat plate portion and a columnar portion formed on the flat plate portion, and the alignment mark is viewed from directly above the central portion of the alignment mark on the upper surface of the flat plate portion and the columnar portion. Sometimes it is displayed so as to be symmetrical left and right and up and down, and depending on the angle at which the alignment mark is viewed from above, the portion displayed on the flat plate portion of the alignment mark and the portion displayed on the columnar portion are displaced, so that The putter head according to any one of claims 1 to 3, wherein an appearance of the pattern of the alignment mark changes depending on an angle viewed from the side.   The address part includes a lower flat plate portion and an upper flat plate portion having one or a plurality of through holes and disposed above the lower flat plate portion, and the alignment mark is the lower flat plate portion. The upper part of the alignment mark is displayed so that it appears to be symmetrical left and right and vertically through the through hole when the vicinity of the center part of the alignment mark is viewed from directly above. The putter head according to any one of claims 1 to 3, wherein the appearance of the pattern of the alignment mark changes depending on the angle viewed from above.   The address part includes a lower flat plate portion and a plurality of through holes, and an upper flat plate portion disposed above the lower flat plate portion, and the alignment mark is formed on an upper surface of the upper flat plate portion. An aspect in which the appearance of the alignment mark pattern changes depending on the angle seen from above, by displaying the alignment mark from different through holes depending on the angle seen from above.   The address part includes a lower flat plate portion and an upper flat plate portion having one or a plurality of through holes and disposed above the lower flat plate portion, and the alignment mark is the lower flat plate portion. The upper portion of the alignment mark is displayed so that it cannot be seen through the through-hole when the vicinity of the center portion of the alignment mark is viewed from directly above. The putter head according to any one of claims 1 to 3, wherein the appearance of the pattern of the alignment mark changes depending on the viewing angle.   The putter head according to any one of claims 1 to 8, wherein the address part is installed near a central portion of the head body in a toe-heel direction.   The putter head according to any one of claims 1 to 9, wherein the address parts are installed in the head main body in a replaceable manner.

Images