JPH04108465A - Golf putter - Google Patents

Abstract

PURPOSE:To hit a ball accurately in the estimated direction by providing a hollow part formed at right angles with the putter swing direction inside a head and a traveling object, which becomes the center of gravity of the head, housed in the hollow part in a freely sliding manner. CONSTITUTION:A head top 3b points upward when a head 3 deviates in the direction away from a player's body. Therefore, a steel ball 7, which is the traveling object, slides down in a hollow part 6 in the direction of a continuous top end 3b of the head in accordance with the deviation degree, and is positioned on an estimated line. Since the hollow part 6 in which the steel ball 7 is slid is nearly D-shaped, the two points of the steel ball 7 touch the hollow part 6 and moves only in a vertical direction. The steel ball 7, exclusively possessing mass in the hollow part 6, becomes the center of gravity of the head 3. Thus, a golf ball is always hit at the point of the center of gravity of the head 3 and accurately in the estimated direction.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to improvements in golf putters.

[Background Art] In recent years, golf has become extremely popular among sports, and the number of people playing golf as a hobby is increasing, regardless of age or gender. This increase is largely due to the development of golf courses and driving ranges, and the constant improvement of golf clubs. Improvements in this club have made it possible to select a club according to your body type and physical strength, and clubs have also appeared that can extend flight distance or compensate for weaknesses such as suppressing camera shake. .

By the way, the clubs used for golf can be roughly divided into woods and irons, which are used to place the golf ball on the green, and putters, which are used to put the golf ball on the green into a cup. Become.

A putter consists of a shaft equipped with a grip and a head attached to the tip of the shaft. In order to put a golf ball into a cup using this putter, it is necessary to hit the ball in an accurate direction along an assumed line (hereinafter referred to as the assumed line) and with an appropriate force.

To do this, grip the grip so that the ball hitting surface of the head is always perpendicular to the expected line, swing so that the center of gravity, which is the center of the head, moves on the expected line, and hit the ball at the center of the head. By hitting the ball at the center, the ball is launched along the expected line with appropriate force applied.

However, no matter how well a player reads the ideal line toward the cup on a clean surface, if the actual direction of ball launch is off, the probability of the ball hitting the cup will be significantly lower. Therefore, in order to be able to hit the golf ball in an accurate direction along the conventionally assumed line, the shape of the head and shaft of the golf putter has been changed.
Many efforts have been made.

[Problem to be solved by the invention] However, the idea to hit the ball in the correct direction is to prevent the deviation in direction caused by the rotation of the head or shaft, and this is due to tickback and It is assumed that the swing for launching the ball is on the same line as the expected line. Before that, the question is whether the ball hitting surface of the head is always perpendicular to the expected line, and if the center of the head moves parallel to the expected line even at least in a direction perpendicular to the expected line during tickback or swing, the ball will not be hit. Sometimes you will hit the ball from a position that is a little further away from the center of gravity of the head.

Therefore, even if the ball is launched in the correct direction, the necessary force is not applied to the ball, so the ball will not reach the cup. Alternatively, the ball hits a position shifted from the center of gravity of the head, causing the head to rotate, making it impossible to hit the ball in the correct direction.The present invention solves the problems of the prior art as described above. This was proposed to solve the problem, and when hitting the ball with a golf putter, it compensates when the center of the head deviates from the expected line during tickback or swing, and accurately transmits the applied force to the ball. To provide a golf putter that can be hit in an expected direction.

[Means for Solving the Problems] The golf putter of the present invention is a golf putter consisting of a shaft provided with a grip and a head attached to the tip of the shaft. The apparatus is characterized in that it is provided with a hollow part, and a movable body that is slidably housed in the hollow part and serves as the center of gravity of the head.

[Function] According to the present invention having the above configuration, a hollow portion is formed in the head in a direction perpendicular to the swing direction of the putter, and the movable body is slidably housed within this hollow portion. Even if the head of the putter shifts in a direction perpendicular to the swing direction, the moving body inside the putter, which is the center of gravity of the head, remains on the swing line due to inertia, so the ball can always be hit at the center of gravity of the putter.

[Example] Examples of the golf putter of the present invention are shown in Figs. 1 to 6 below.
This will be explained according to the diagram.

Note that in the head, the direction in which the ball is ejected is the horizontal direction, and the direction perpendicular thereto is the vertical direction.

1 to 3 show an embodiment of a golf putter according to the present invention. In FIG. 1, reference numeral 1 denotes a golf putter of this embodiment, and a shaft 2 equipped with a grip (not shown) on the upper part.
and a head 3 attached to the tip of the shaft 2 via a connecting portion 4. At this time, head 3
The end connected to the shaft 2 is a connecting end 3a, and the other end is a tip 3b. A confirmation window 5 made of a transparent member is fitted into the center of the upper surface of the head 3 so that the inside of the head can be observed. A hollow portion 6 is provided in the vertical direction inside the head 3, and a steel ball 7, which is a moving body having a predetermined weight, is slidably housed in the hollow portion 6. As shown in FIG. 1, the vertical direction of the hollow portion 6 is formed by a curve that follows a circle when the head 3 is rotated vertically around a grip (not shown), and the horizontal direction is shown in FIG. It is formed into a substantially cylindrical shape with a flat surface along the ball hitting surface 3C.

The operation of this embodiment having the above configuration is as follows.

That is, when a player holds the golf putter 1 in an accurate shape with the ball hitting surface of the head perpendicular to the expected line when batting, the steel ball 7 hits the hollow part 6 which is the center of the head 3. It is in a central position. At this time, the player can see the position of the steel ball 7 through the confirmation window 5 provided on the top surface of the head 3. Also, golf putter 1
If the center of head 3 moves on the expected line between ticking back and launching the ball, then
The steel ball 7 is held at the center position of the hollow portion 6 by inertia.

However, between ticking back and hitting the ball,
When the center of the head 3 moves from the assumed line in the orthogonal direction along a circle centered on the grip (not shown) due to hand shake or the like, the steel ball 7 always remains on the assumed line due to inertia. It appears that the steel ball 7 relatively moves within the hollow portion 6 depending on the size of the deviation.

For example, as shown in FIG. 3, when the head 3 shifts away from the player's body, the tip 3b of the head moves upward, so the steel ball 7 moves downward inside the hollow part 6. Connecting end 3a) Slides in the i direction according to the size of the thread and is located on the expected line.

Note that since the hollow portion 6 on which the spherical steel ball 7 slides is of a substantially oval shape, two points of the steel ball 7 are in contact with the hollow portion 6, so that the steel ball 7 is not moved in any direction other than the vertical direction. Further, since only the steel ball 7 has mass in the hollow portion 6, the steel ball 7 becomes the center of gravity of the head 3.

As described above, according to the present embodiment, even if the center of the head 3 slides in the vertical direction between ticking back the golf putter 1 and hitting the ball, the steel ball 7 will slide in the hollow part 6. Therefore, it will always be located on the assumed line. Therefore, in this embodiment, since the steel ball 7 is the center of gravity of the head 3, the golf ball is always hit at the center of gravity of the head 3.

That is, if the golf putter of this embodiment is used, even if the center of the head 3 deviates from the expected line during tickback, it will be corrected and the applied force will be accurately transmitted to the ball in the expected direction. I can come up with something.

On the other hand, since a confirmation window 5 is attached to the top surface of the head 3, it is possible to know the positional deviation of the head 3 and correct the positional deviation, and by practicing this,
You can learn better form.

[Other Embodiments] The present invention is not limited to the embodiments described above, and the specific shape of each member, or the position and method of mounting each member can be changed as appropriate.

For example, the confirmation window 5 is not limited to a part of the central portion of the upper surface of the head 3, and the entire upper surface may be made of a transparent member made of hard resin or the like. Furthermore, it is also possible to construct the entire head 3 from a transparent member such as a hard resin. In this case, it is possible to observe even the state of the grass in contact with the lower surface of the head 3.

Further, the movable body may be made of other metals or resins having a large specific gravity. At this time, in the case of a soft member or a member with a large coefficient of friction, it can be used by covering its surface with another hard member with a small coefficient of friction.

Furthermore, as shown in FIG. 4 and FIG.
By attaching slidable wheels 9 to the side and bottom surfaces of the hollow portion 6 which are in contact with the wall surface of the hollow portion 6, the hollow portion 6 can be slid.

Alternatively, the movable body is a trolley 8, and guide grooves are provided in the vertical direction on each side and bottom surface of the trolley 8 that are in contact with the wall surface of the hollow portion 6,
It is also possible to provide a rail that is slidable along a guide groove in the vertical direction of the wall surface of the hollow part 6.

Further, as shown in FIG. 6, a flow adjustment tube 11 formed of a transparent member vertically connected to the upper part of the hollow part 6
A liquid 10 having a low specific gravity such as liquid paraffin is sealed in the hollow part 6. With this liquid 10 having a low specific gravity, the sliding speed of the truck 8 can be finely adjusted without significantly inhibiting the sliding movement of the truck 8.
This suppresses minute vibrations and allows for smooth movement. On the other hand, since the liquid flow adjustment pipe 11 is provided, the liquid pushed by the truck 8 is transferred to the flow adjustment pipe 11.
Since the liquid is sent to the other end through the liquid, the movement of the truck 8 will not be hindered due to the liquid being compressed or flowing backward.

Note that the moving body used in FIG. 6 is not limited to the trolley 8, and the sliding speed of a spherical moving body can be finely adjusted in the same way, so that small vibrations are suppressed and the moving body can be moved smoothly.

Further, as shown in FIG. 7, both ends of the hollow part 6 are bulged to form a substantially U-shape, and flow regulating pipes 1 are installed above both ends.
1 will be provided. The moving body is filled in the hollow part 6 of such a putter as a liquid 12 with a high specific gravity instead of a solid, with a volume of 60 to 90% depending on the specific gravity. By moving the liquid 12 having a large specific gravity through the hollow portion 6, the same effect as described above can be obtained. Further, by providing the flow adjustment pipe 11, the gas sealed in the hollow part 6 can move to the opposite end as the liquid 12 with a high specific gravity moves, and the liquid 12 with a high specific gravity can be moved smoothly. Help move.

In addition, by coloring the liquid or mixing metal pieces that reflect light, making the confirmation window 5 larger, or configuring the head 3 from a transparent material, it becomes easier to confirm whether the liquid is moving, and the head 3 can be easily checked. You can also check the launch position.

By the way, there is no problem if the gas in the hollow part 6 is air, but in consideration of the specific gravity of the moving body, it is necessary to use a gas with a higher specific gravity than air.
Alternatively, it is also possible to use a light gas. This results in
The moving object can be moved more smoothly. Further, depending on the physical properties of the moving body, it is also possible to use nitrogen or the like as the gas in the hollow portion 6 to prevent the quality of the moving body from deteriorating.

[Effects of the Invention] Even if the center of the head 3 deviates from the expected line during tickback, the golf putter of the present invention corrects this and accurately transmits the applied force to the ball in the expected direction. It is possible to provide a golf putter that can dramatically reduce the number of putting mistakes and greatly improve the probability of hitting the hole or the cup.

[Brief explanation of drawings]

Fig. 1 is a sectional side view of the main part showing a golf putter according to the main embodiment of the present invention, Fig. 2 is a sectional side view of the main part as seen from the tip side of the head, and Fig. 3 is a sectional view of the main part when the head is out of position. FIG. 4 and FIG. 5 are a sectional view and a perspective sectional view of the main part of another embodiment, and FIG. 6 is a side sectional view of the main part of another embodiment, and FIG. FIG. 7 is a side sectional view of a main part of another embodiment. DESCRIPTION OF SYMBOLS 1... Golf putter 2... Shaft, 3... Head, 4... Connecting part, 5... Confirmation window, 6... Hollow part, 791. Steel ball, 8... Trolley, 9... Wheel, 10
...Liquid with low specific gravity, 11...Flow adjustment tube, 12.
...Liquid with high specific gravity. Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2

Claims (1)

[Claims] A golf putter comprising a shaft provided with a grip and a head attached to the tip of the shaft, comprising: a hollow portion formed in the head in a direction perpendicular to the swing direction of the putter; A golf putter comprising: a movable body that is slidably housed in a hollow part and serves as a center of gravity of the head.