KR20020062612A - Shaft length and lofr angle of head simultaneous iron club - Google Patents

Abstract

PURPOSE: An iron golf club in which the length of a shaft and a loft angle of a head are simultaneously controlled when the length of the shaft is controlled by a length control apparatus disposed inside a grip is provided. Therefore, the iron club has an effect on using nine iron clubs with only one iron club with a loft angle control function. CONSTITUTION: This iron club(10) comprises: a length control apparatus(100) in which one end is fixed to the inner lower side of a grip(11), another end is fixed to the upper end of a shaft(12) inserted into the interior of the grip, and the oil amount of hydraulic pressure is controlled when the length of the shaft is controlled by sliding the grip; a fixing apparatus(150) containing a fixing member(152) disposed at the upper end of the shaft and a fixing hole(154) for fixing the length-controlled shaft; and an angle control apparatus(200) for controlling the loft angle of the head.

Description

Iron club which length of shaft and head loft angle are adjusted at the same time {SHAFT LENGTH AND LOFR ANGLE OF HEAD SIMULTANEOUS IRON CLUB}

The present invention relates to an iron club, and more particularly, when the length of the shaft is adjusted by the length adjusting device provided inside the grip, the head is automatically rotated and the length of the shaft and the head of the loft angle is adjusted It is about an iron club whose angles are adjusted at the same time.

In general, golf is a type of sport that hits the ball in the order of drive, approach and putting from one side of the hole into the hole cup located on the opposite side.

In order to play golf, you need a tool to hit and blow the ball. This tool is a golf club, and the golf club is a wood club that performs driver shots for long-distance strikes, and an iron club that is used in the approach of putting the ball on the green with a mid-range strike. It consists of a putter that puts the ball on the green into the hole cup.

The iron club is roughly divided into grip, shaft and head.

In general, the angle between the head and the shaft is called the loft angle. The loft angle is an important factor that determines the distance of the ball along with the length of the shaft. The shorter the distance, the shorter the distance of the ball.

Such iron clubs are required to have a number of irons from iron 1 to iron 9 according to the loft angle and the length of the shaft.

For this reason, if you want to play golf golf clubs (four) and nine iron clubs and pitch and sand wedges and putter clubs should be provided with a large number of golf clubs are inconvenient to play.

Since there must be a plurality of iron clubs as described above, there is a considerable difficulty in moving when playing on the field, as well as a significant cost to prepare a golf club, the situation bears the economic burden.

The present invention is to solve this problem; An object of the present invention is to adjust the length of the grip at the same time to adjust the loft angle of the head to use a single iron club nine iron clubs and pitch and sand wedge to improve the golfer's convenience and improve performance at the same time To make it work.

In addition, another object of the present invention is to provide a multi-purpose iron club that combines the functions of nine iron clubs and pitch and sand wedges as a single iron club to reduce the financial burden on golfers.

1 is a cross-sectional view showing the inside of the iron club according to the present invention,

Figure 2 is a detailed cross-sectional view of the line "A" of Figure 1 showing the length adjusting device of the iron club according to the present invention,

3 is a cross-sectional view of the line "B"-"B" of Figure 2 showing the mounting state of the length adjusting device of the iron club according to the present invention,

Figure 4 is a detailed cross-sectional view of the line "C" of Figure 1 showing the fixing means to maintain the length of the iron club according to the invention,

FIG. 5 is a side view of the head of the iron club according to another embodiment of the present invention as viewed from the line “D” of FIG. 1 showing that the angle of loft is formed.

6 and 7 are cross-sectional views showing another embodiment of the iron club according to the present invention.

* Description of the symbols for the main parts of the drawings *

10; iron club 11; grip

12; shaft 13; head

100; length control device 102, 103; outflow, inflow line

110; hydraulic cylinder 120; cylinder rod

150; fixing device 152; fixing member

152a; elastic body 154; fixing hole

200; angle adjusting device 201; rotating cylinder

202; rotating shafts 210, 220; inlet, outlet

202a; spline

The present invention for achieving this object is;

In the iron club used to approach the ball on the green with a mid-range hit in golf,

One end of the iron club is fixed to the inner lower side of the grip, the other end is fixed to the upper end of the shaft inserted into the grip is the length of the hydraulic flow rate is adjusted when the length of the shaft is adjusted by sliding the grip An adjusting device;

A fixed member protruding to one side by an elastic force of an elastic body provided at a rear end and disposed in a horizontal direction on the top of the shaft, and a plurality of equally spaced vertically formed on the grip to be coupled to the fixed member to be controlled by the length adjusting device; A fixing device including a fixing hole for fixing the fixed shaft;

It is disposed on the lower end of the shaft characterized in that it comprises an angle adjusting device for rotating a predetermined angle by the hydraulic pressure controlled flow rate in the length adjusting device to adjust the loft angle of the head coupled to the rotating shaft.

In addition, the length adjusting device is disposed at the lower end as a hydraulic cylinder discharge line for discharging a predetermined amount of hydraulic pressure in accordance with the length of the shaft moves in the grip, and disposed on the upper end of the hydraulic cylinder is discharged through the outlet line The hydraulic pressure is characterized in that it comprises an inflow line flowing the angle adjusting device at a predetermined angle.

In addition, the angle adjusting device is a rotating cylinder, the outflow, the inlet line and the main body of the length adjusting device is connected to the outflow, the inflow line in accordance with the amount of hydraulic pressure flowing through the inlet, and includes a rotating shaft that rotates forward, reverse It is characterized by.

In addition, the rotating shaft and the head is characterized in that the spline coupling.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. 1 is a cross-sectional view showing the inside of the iron club according to the present invention, Figure 2 is a detailed cross-sectional view of the line "A" of Figure 1 showing the length adjusting device of the iron club according to the present invention, Figure 3 is an iron club according to the present invention Figure 2 is a cross-sectional view of the "B"-"B" line showing the mounting state of the length adjustment device, Figure 4 is a "C" line of Figure 1 showing the fixing means to maintain the length adjustment state of the iron club according to the present invention. Figure 5 is a cross-sectional view, Figure 5 is a side view as seen from the line "D" of Figure 1 showing that the head of the iron club according to another embodiment of the present invention is angle adjusted and a loft angle is formed, Figures 6 and 7 the present invention The following is a cross-sectional view showing another embodiment of the iron club according to the following.

Referring to Figure 1, the iron club 10 (hereinafter referred to as "iron club") is adjusted at the same time the loft angle of the shaft and the grip in accordance with the present invention is the upper grip 11 and the grip 11 The shaft 12 is inserted into the upper end of the inside, the head 13 mounted in a horizontal state at a predetermined angle on one side of the lower end of the shaft 12, and the length between the grip 11 and the shaft 12 is adjustable The device 100 is disposed, and the grip 11 has a fixing member 152 and a shaft (not shown) arranged in the horizontal direction of the upper end of the shaft 12 so as to be engaged with a plurality of fixing holes 154 formed at predetermined equal intervals in the vertical direction. 12) includes an angle adjusting device 200 disposed at the bottom.

2 and 3, it is shown in detail for the length adjusting device 100 of the iron club 10 according to the present invention.

The length adjusting device 100 is a known hydraulic cylinder 110, the lower end of the hydraulic cylinder 110 is mounted on the upper end of the shaft 12, the hydraulic cylinder 110 is filled with the hydraulic oil 111 is The cylinder rod 120 moving up and down in the hydraulic cylinder 110 is disposed upward.

The lower end of the hydraulic cylinder 110 is provided with a disc-shaped mounting flange 112 so as to be easily mounted on the upper end of the shaft 12 is bolted to the flange (12a) disposed on the upper end of the shaft (12).

The mounting flange 112 is formed with a line through-hole 113 so that the outflow and inflow lines 102 and 103 to be described later are formed, and the line through-hole 113 is fastened to the bolt 12a by a bolt BT. It is formed at a position that does not interfere with.

In addition, the cylinder rod 120 is coupled to the cap (11) and the bolt (BT) provided on the upper end of the grip 11, the cap (11a) is a removable male thread (MS) formed at the lower end of the upper end of the grip (11) It is to be coupled to the female screw portion (WS) formed in, to facilitate the combination of the hydraulic cylinder 110 in the grip (11).

On the other hand, the injection nipple (110b) for filling the hydraulic oil (110a) is disposed in the upper end of the hydraulic cylinder 110, the outlet line 102 is disposed at the lower end.

An inflow line 103 is disposed at the upper end of the injection nipple 110b to adjust the length by sliding the grip 11 up and down, and the angle adjusting device 200 to be described later by hydraulic pressure flowing through each line. Is rotated at a predetermined angle.

The outflow and inflow lines 102 and 103 are preferably formed to have a somewhat longer length so as not to be affected by the up and down movement of the grip 11 by a rubber hose.

In addition, the outlet (SC) is provided at the end of the inflow line (102) (103) is coupled to the nipple (NP) provided in the hydraulic cylinder (110).

Referring to FIG. 4, there is shown a fixing device 150 for fixing to maintain the length of the sliding grip 11 in a length adjusted state.

The fixing device 150 includes a plurality of fixing holes 154 formed on one side of the grip 11 at predetermined equal intervals in the vertical direction, and includes a fixing member 152 inserted into the fixing holes 154.

A total of nine fixing holes 154 are formed to correspond to the lengths of the first to nine irons. The fixing holes 154 formed at the top end send a ball with a gentle parabola when the ball is sent over a short distance. It is to be adjusted to a state that allows. At this time, the loft angle θ of the head 13 is formed by the angle adjusting device 200 to be described later to form a large angle on the vertical line.

Conversely, the lowermost fixing hole 154 is to form a long length of the shaft 12 to send the ball away. At this time, the smallest angle is formed in the loft angle θ of the head 13 based on the vertical line of the shaft 12.

The other fixing holes 154 also adjust the length of the shaft 12 according to the situation of the field, and the loft angle θ of the head 13 also varies according to the adjusted length.

On the other hand, when the length adjustment is completed based on the fixing hole 154, the fixing member 152 penetrates the fixing hole 154 to maintain the completed state.

The fixing member 152 is provided in a horizontal state concentric with the through-hole 12b and the insertion tab 12c formed in a horizontal state at the upper end of the shaft 12. The fixing member 152 and the fixing member ( It includes an elastic member 152a disposed at the rear end of the 152, and the bolt bolt 152b at the rear end of the elastic member 152a.

The assembly of the fixing member 152 will be described briefly. The fixing member 152 is inserted into the insertion tab 12c so that the projection of the front end penetrates the through hole 12b.

Then, the elastic member 152a is inserted so that the fixing member 152 becomes elastic in the front end, and the bolt bolt 152b is fastened to the insertion tab 12c at the rear end of the elastic member 152a. Assembly is complete.

The bolt bolt 152b is a conventional set screw, i.e., a hexagonal set screw (KS B 1028-85). It is to facilitate the sliding operation.

5, the angle adjusting device 200 of the iron club 10 according to the present invention, the angle adjusting device 200 is a known rotary cylinder (201) (Rotary Cylinder).

The rotary cylinder 201 is formed in a cylindrical shape to facilitate insertion at the lower end of the shaft 12 and includes a rotation shaft 202 protruding to one side.

On the upper end of the rotary cylinder 201 to the inlet 210 and the outlet 220 to be coupled with the socket (SC) provided at each end of the outlet line 102 and the inlet line 103 of the length adjusting device 100 described above, respectively. The nipple NP is arranged.

A plurality of splines are formed in the longitudinal direction of the outer circumference of the rotating shaft 202 so that the splines formed in the coupling holes 13a of the head 13 are securely coupled.

As described above, the state in which the rotating shaft 202 of the rotating cylinder 201, which is the angle adjusting device 200, is coupled to the spline, has been described, but it can be easily modified and implemented as much as the manufacturing technology in the art. For example, the rotation cylinder 201 in which the head 13 and the rotation shaft 202 are integrally disposed is disposed at the lower end of the shaft 12.

As such, the angle adjusting device 200 passes through the outlet line 102 in accordance with the movement of the cylinder rod 120 of the length adjusting device 100 and the outlet 220 through the inlet 210 of the angle adjusting device 200. The rotation shaft 202 is rotated by a predetermined angle by the amount of the hydraulic oil 101a exiting the furnace, and the loft angle θ of the head 13 is formed.

Although the iron club 10 of the present invention as described above is not shown, the number of the iron club corresponding to each standard is displayed on one side of the fixing hole 154 described above as it goes up from the bottom to the field of the field. The length can be easily adjusted according to the situation.

In other words, in order to send the ball far away, the first iron should be used. When the “1” character is displayed on the fixing hole 154 formed at the bottom, the user can easily adjust the length to match the number of the shaft 12. The length can be adjusted.

The other fixing holes 154 also display the numbers up to the "2" ~ "9" as the top is adjusted the length of the shaft 12 as the length of each iron club, and at the same time the angle adjusting device 200 By this, the loft angle θ of the head 13 is also automatically adjusted.

Referring to Figure 1 will be described the operation of the iron club 10 according to the present invention having the configuration as described above.

According to the figure, although the length of the shaft 12 is shown to be formed long, the method of shortening the length of the shaft 12 is demonstrated.

First, the fixing member 152 of the fixing device 150 is pressed to release from the fixing hole 154 formed at the lowermost end of the grip 11, and the grip 11 is slid downward. At this time, when passing through the fixing holes 154 formed in the upper side, the fixing member 152 is prevented from protruding and sliding so that the fixing member 152 penetrates and protrudes through the fixing hole 154 marked with the letter "9" at the top. If possible, the length of the shaft 12 is short.

At this time, the cylinder rod 120 of the hydraulic cylinder 110, which is the length adjusting device 100 provided in the grip 11, moves downward, and the hydraulic oil 110a filled in the hydraulic cylinder 110 flows out of the line ( Discharged through 102, the hydraulic oil (110a) is to rotate the rotating shaft 202 protruding to one side passing through the inlet 210 of the rotating cylinder 201, which is the angle adjusting device (200).

Accordingly, the head 13 spline-coupled with the rotating shaft 202 also rotates to form a large loft angle θ so that the ball falling into the bunker during play can be easily lifted into the field.

The fixing holes 154 formed in this way correspond to the length of each of the irons 1 to 9 and at the same time the loft angle θ of each of the iron clubs 10 is one iron club 10 according to the present invention. You can easily play on your own.

6 and 7 show another embodiment of the iron club 10 according to the present invention, by forming the female, male screw (MS1) (WS1) on the inner circumference of the grip 11 and the outer circumference of the shaft 12, respectively The grip 11 is to move the screw.

Since the configuration different from the above-described embodiment is the same, a separate description is omitted and only the grip 11 and the shaft 12 will be described.

A male screw MS1 is formed on the outer circumference of the shaft 12, and a female screw WS1 is formed on the inner circumference of the grip 11 so as to screw into the male screw MS1, thereby turning the grip 11 to one side or the other side. The grip 11 is moved, and accordingly, the length of the cylinder rod 120 of the length adjusting device 100 is also changed and the hydraulic pressure flows to the outflow line 102 and the inflow line 103 so that the hydraulic pressure flows. The angle adjusting device 200 at the bottom of the shaft 12 rotates by a predetermined angle to form the loft angle θ of the head 13.

At this time, the support member (SB) at the upper end of the grip 11 to the lower side of the cap (11a) disposed on the upper end of the cylinder rod 120 to prevent the cylinder rod 120 from following the rotation of the grip (11). By separately providing the cylinder rod 120 does not rotate along, so that it moves only up and down.

As such, the cylinder rod 120 of the length adjusting device 100 provided between the grip 11 and the shaft 120 moves up and down by the up and down movement of the grip 11 and the hydraulic cylinder 110. By rotating the angle adjusting device 200 disposed at the lower end of the shaft 12 by flowing the hydraulic oil 110a filled therein, the length of the shaft 120 is easily adjusted and at the same time, the loft angle of the head 130. (θ) is also automatically adjusted to replace the iron club 10 is set to one iron club 10 is easy to move during play, has the advantage of reducing the economic burden of golfers.

The present invention is not limited to the above-mentioned specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Such modifications are within the scope of the claims of the present invention.

As described in detail above; According to the iron club that the length of the shaft and the loft angle of the head according to the present invention is adjusted at the same time, iron clubs 1 to 9 by one iron club while simultaneously adjusting the loft angle of the head by adjusting the length of the grip By using the same effect to improve the golfer's convenience and at the same time improve the performance.

In addition, it has the effect of providing a versatile iron club, which combines the functions of nine iron clubs with one iron club, thereby reducing the financial burden on golfers.

Claims (7)

In the iron club used to approach the ball on the green with a mid-range hit in golf, One end of the iron club is fixed to the inner lower side of the grip, the other end is fixed to the upper end of the shaft inserted into the grip is the length of the hydraulic flow rate is adjusted when the length of the shaft is adjusted by sliding the grip An adjusting device; A fixed member protruding to one side by an elastic force of an elastic body provided at a rear end and disposed in a horizontal direction on the top of the shaft, and a plurality of equally spaced vertically formed on the grip to be coupled to the fixed member to be controlled by the length adjusting device; A fixing device including a fixing hole for fixing the fixed shaft; Is disposed on the lower end of the shaft and the length of the shaft and the head of the shaft characterized in that it rotates a predetermined angle by the hydraulic pressure controlled flow rate adjustment device for adjusting the loft angle of the head coupled to the rotating shaft Iron club that loft angle is adjusted at the same time. The method of claim 1, The length of the shaft and the loft angle of the head is characterized in that the number of iron clubs corresponding to each standard is displayed as one goes up from the bottom to the top of the formed fixing hole. Iron club controlled at the same time. The method of claim 1, The length adjusting device is a hydraulic cylinder disposed at the lower end of the discharge line for discharging a predetermined amount of hydraulic pressure in accordance with the length of the shaft moves in the grip, and the hydraulic pressure is disposed on the top of the hydraulic cylinder discharged through the outlet line The angle club is rotated by a predetermined angle and the iron club is adjusted to the length of the shaft and the loft angle of the head, characterized in that it comprises an inflow line flowing. The method according to claim 1 or 3, The angle adjusting device is a rotating cylinder of the shaft, characterized in that the rotation angle varies depending on the amount of the hydraulic pressure flowing through the outlet, the inlet and outlet associated with the length adjusting device of the shaft, characterized in that it comprises a rotating shaft for forward and reverse rotation. Iron club with adjustable length and head loft angle. The method according to claim 1 or 4, The iron shaft and the rotary shaft is a spline coupling, the length of the shaft and the loft angle of the head is adjusted at the same time. The method of claim 5, The iron club and the length of the shaft and the loft angle of the head is simultaneously adjusted, characterized in that the head and the rotating shaft is formed integrally. In the iron club to use in the approach that puts a ball on the green by a medium-range hit in golf, The iron club has one end fixed to an inner lower side of a grip having a female thread having a predetermined length at an inner circumference, and the other end is fixed to an upper end of a shaft having a male thread formed at an upper circumference to rotate the grip screwed to one side or the other side. A length adjusting device for adjusting the amount of hydraulic pressure when the length of the shaft is adjusted; A fixed member protruding to one side by an elastic force of an elastic body provided at a rear end and disposed in a horizontal direction on the top of the shaft, and a plurality of equally spaced vertically formed on the grip to be coupled to the fixed member to be controlled by the length adjusting device; A fixing device including a fixing hole for fixing the fixed shaft; The angle of the shaft and the loft angle of the head is adjusted at the same time, characterized in that it comprises an angle adjusting device which is disposed at the lower end of the shaft to rotate the predetermined angle so that the loft angle of the head by the hydraulic pressure adjusted in the length adjusting device Iron club.