JPH03224578A - Golf club - Google Patents

Abstract

PURPOSE: To make a ball capable of being driven in accurate direction and angle by arranging a plurality of cut-off parts so as to form a plurality of comb teeth-like or saw teeth-like tooth nucleuses from the lower end edge in the lower part of a club head. CONSTITUTION: A ball driving surface 1 has a plurality of horizontal shallow grooves 3 and is provided in the lower part with a plurality of cut-off parts so as to form a plurality of comb teeth-like or saw teeth-like teeth which help the cut-off parts to pass a position below a golf ball through the sands. Thus, when a club head is swung through the sand surface, sand grains pass spaces of cut-off parts between the teeth to easily rearward pass through. The length, shape, number of the teeth and the space of the cut-off part between the teeth are calculated to be serviceable for the use of the club, so that the ball can be driven in accurate direction and angle.

Description

[Detailed description of the invention] The present invention relates to a sandy golf club.

In general, when playing golf, sometimes the golf ball is hit in the wrong direction and falls into a sandy bunker, creating a difficult situation where the player has to be more careful to hit the golf ball in a reliable way. .

Thus, each set of golf clubs for playing golf includes a golf club called a sand wedge, which is an equipment specifically designed for playing golf on sandy surfaces. The striking surface of the club head of this club has a lower slope relative to plane level than other clubs in the same set, ie, a higher loft angle, and a loading amount to counterbalance and increase inertial forces.

This type of golf club has a thick sole, and when hitting sand, the lower part of the club head pushes against the sand, creating a mound, and uses its repulsive force to launch the ball along with the sand. This build-up of sand and generation of repulsive force often causes the golf ball to fly in a direction different from the intended direction, resulting in loss of accuracy and inaccurate transmission of force to the golf ball. Control of flight angle, as well as distance, was difficult. ° A golf club according to the invention reduces the adhesion ratio of sand on the face of the club head so that sand can easily pass back through the spaces between the rake or comb teeth. This also reduces resistance and reflective power.

As explained below with reference to the drawings, in Figs. 1A and 18,
1 is the ball hitting surface, and the center point, or sweet spot 2, is exactly at the load point. The ball hitting surface has a plurality of horizontal shallow grooves 3. The lower portion is provided with a plurality of cutouts to form a plurality of comb-like or serration-like teeth that assist in passing the golf ball through the sand and into position beneath it. As the club head is swung through the sandy ground, the sand particles easily pass rearward through the interdental cutout spaces.

The back surface of the club head has a maximum thickness portion 4 at a position corresponding to the center point 2 of the ball hitting surface 1 to increase the amount of load. Other average weights are allocated to balance by kinetic and gravity criteria.

The length, shape, number of teeth and the space of the cutout between the teeth are calculated to facilitate use of the club.

In use, as shown in Figure 2, when hitting a ball on sandy ground, the lower part of the club head passes through the sandy ground with little resistance without scraping up much sand, allowing the ball to be hit accurately at the center point. , can hit the ball in the correct direction and angle.

The teeth are fitted with replaceable hard steel sleeves 5 to protect them from wear and deterioration. The type of steel for the club head used in the present invention has high hardness against deterioration due to abrasive conditions that directly rub against sand particles.

Durable. Furthermore, the steel surface of the steel surface is more durable and rust resistant than normal standards.

Products are mass-produced using the same mold to achieve a consistent weight balance.

[Brief explanation of drawings]

1A and 18 are views showing the front and back sides of the club head of the golf club according to the present invention together with a steel sleeve, and FIG. 2 is a view showing the trajectory of the golf club during use. 1... Ball hitting surface, 2... Center point, 3... Groove, 4...
・Maximum thickness part, 5...Steel sleeve.

Claims (1)

[Scope of Claims] 1. A golf club for sandy soil, which is provided with a plurality of cut-out portions in the lower part of the club head so as to form a plurality of comb-like or serrated tooth cores from the lower edge. 2. The golf club according to claim 1, further comprising a sleeve that replaceably fits into the nucleus of each of the teeth.