JPS6317492Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a golf club in which the proximal end of the shaft is inserted into a hollow head that has each side formed by forging or the like and whose edges are fixed. Regarding heads for use.

[Prior Art] Conventionally, a head of this kind has a thick neck and a shaft base end inserted into it, which was developed in 1973.
This is proposed in Publication No. 2983.

Since such heads are manufactured using lost wax or the like, there is a concern that pinholes may occur.

In order to solve these problems, the same applicant filed Utility Model Application No. 57-117681 (Utility Model Application No. 59-22163).
proposed a head in which the base end of a shaft is inserted into the neck of a hollow head made up of a plurality of metal plates bonded together.

[Problems to be solved by the invention] If the net is vertically divided and these parts are joined together, there is a risk of twisting if a strong impact force is applied to the net during shooting, making it difficult to shoot accurately. I'm worried that it won't be possible.

It is an object of the present invention to solve the above-mentioned problems and provide a head for a golf club having a strong neck.

[Means for Solving the Problems] The present invention provides a golf club head in which the proximal end of a shaft is inserted into the neck of a hollow head made up of a plurality of metal plates joined together. A neck portion is formed on the other side, a gap is formed between the side edges of these neck portions, and the side edges of the neck portions are welded together.

[Function] A bead pool is formed due to the welding time gap, and the pair of divided neck portions can be firmly fixed.

[Example] Next, an example of this invention will be described based on the accompanying drawings.

1 and 2 show a first embodiment, in which a head 1 has an upper surface 2 which connects a neck front side 2a which is a neck portion on one side, a face 3, a sole 4a, a side peripheral surface 4b and a neck portion on the other side. The edges of each of the three bodies 4 forming the back side 4c of the neck are fixed to each other to form a hollow body. These upper surface 2, face 3, and main body 4 are made of metal plates such as stainless steel. Further, at the side edges of the neck front side 2a and the neck rear side 4c, which are formed by vertically dividing the neck 1a of the head 1 into two, cutout portions 2b, which are gaps for bead accumulation, are provided.
Form 4d.

A cylindrical body 5 is inserted into the neck 1a, and a base end 6a of the shaft 6 is inserted into the cylindrical body 5. 7 is a reinforcing member, and 8 is an elastic material such as urethane.

Then, the upper surface 2, the face 3, and the main body 4 are fixed at their edges by welding, and with the cylindrical body 5 inserted into the neck 1a, the front side 2a of the neck is fixed.
The neck 1a and the cylindrical body 5 are fixed together by butt welding the side edges of the rear side 4c of the neck and the rear side 4c of the neck. At this time, the welding material 9 becomes a bead and forms the notch 2.
The front side 2a of the reservoir neck and the rear side 4c of the reservoir neck can be firmly fixed between b and 4d.

As described above, by forming the notches 2b and 4d on the side edges of the front side 2a of the neck and the rear side 4c of the neck, when forming the neck 1a, the welding material 9 accumulates in the notches 2b and 4d. The front side 2a of the neck and the rear side 4c of the neck can be firmly fixed.

FIG. 3 shows the second embodiment of this invention, and the first embodiment
As in the embodiment, it is composed of three members: the upper surface 11 on which the neck front side 11a is connected, the face 12, and the main body 13 on which the neck rear side 13a is connected. , 13a is formed, and the welding material 15a flows inward through this gap 15 to firmly fix the front and rear sides 11a and 13a of the neck. 16 is a cylindrical body into which the base end 17a of the shaft 17 is inserted, and has a flange 16a formed on its upper edge.

As mentioned above, the front of the net, the rear side 11a, 13a
By forming a gap 15 between the side edges of the neck and storing welding material 15a in the gap 15, the front and rear sides 11a and 13a of the neck can be firmly fixed.

Incidentally, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the gist.

[Effects of the invention] As detailed above, in the present invention, a gap is formed between the side edges of the one side and the other side neck portions to form a pool of welding material, thereby making it possible to form a robust neck. .

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of the first embodiment, FIG. 2 is a partially cutaway front view of the same, and FIG. 3 is a partially cutaway front view of the second embodiment. 1...Head, 1a...Neck, 2a...Neck front side (one side neck part), 2b, 4d...Notch part (gap), 4c...Neck rear side (other side neck part), 6... Shaft, 6a... Proximal end.

Claims (1)

[Scope of utility model registration request] In a golf club head in which the proximal end of the shaft is inserted into the neck of a hollow head made up of a plurality of metal plates, the neck is vertically divided to form one side and the other side neck portions, and the neck portions are A golf club head characterized in that the side edges of the neck portion are welded to each other with a gap formed between the side edges.