JPS5812216Y2 - piano hammer - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a piano hammer that has a simple structure and is capable of effectively making various adjustments corresponding to sound production characteristics.

A conventional Piazza amplifier that has been commonly used is usually constructed as shown in FIG.

That is, a felt 2 is wrapped and fixed around the tip of a hammer wood 1, and the tip 3 of the wrapped felt 2 hits a sound-producing vibrating body such as a string to produce a piano player. .

in this case. When striking a sound-producing vibrating body, the contact time between the vibrating body and the hammer is an important condition in determining the tone, and it is important to ensure that a sufficiently large impact force can be applied to the vibrating body. I have to throw it.

That is, this hammer is constructed by wrapping and pasting a flat plate of felt 2 around the tip of a hammer wood 1, and the manufacturing process is complicated.

Moreover, in this state, the felt 2 wrapped around the non-maru wood 1 is not set to have a uniform hardness over the entire area, but the inside part 4 is hardened by a special chemical treatment, and the tip part 3 is set to have a soft hardness. state.

Furthermore, the surface of the tip part 30 that comes into contact with the sound-producing vibrator is softened using a needle, and in particular, the process is performed to improve the uniformity of the sound production characteristics in a large number of 7-marks over the entire range, that is, to perform alignment work. be.

For this reason, it is not only difficult to select the material for the felt 2.

The manufacturing and alignment work requires a great deal of effort and advanced technology.

In addition, in such a piano hammer, the size and shape of the hammers need to be changed gradually as the bass changes from the bass to the treble. Material selection 1 for the parts is difficult to assemble and adjust.

This invention not only improves the above-mentioned drawbacks and can be manufactured using a sufficiently simple process, but also makes it possible to uniformly adjust the hardness of the contact part with the 1-size sound vibrating body required for a hummer. The object is to provide a piano hammer that can be used easily enough, and the hammer base material is made of a hard elastic material such as hard rubber, and the outer part of the hammer base material is made of artificial leather. An embodiment of this invention will be described below with reference to the drawings.

In FIG. 2, reference numeral 11 denotes a hammer wood, and at the tip of the hammer wood 11 there is formed a recess into which the tip of the wood 11 fits. and fix it with adhesive etc.

and. The shape and size of the sound-producing vibrating body are set by this hammer base material 12.
- An outer covering layer 13 made of a thin piece of artificial leather is further applied to the outer surface of the rubber base material 12 and fixed by adhesive or the like.

That is, in the piano hammer constructed in this way, the outer cover layer 13, which is the part that comes into contact with one sounding vibrator, has one
It can be made of artificial leather, and the 12 parts of the hammer base material are also made of artificial rubber, etc., and the hardness can be selected arbitrarily, so the hardness distribution of the hammer can be adjusted arbitrarily without having to perform hardness adjustment work. Can be set.

Even if it is necessary to match the sound vibrating body at the same time, the shape, weight, etc. can be selected arbitrarily, so it can be made very easily. As described above, according to this invention, the conventional felt can be Unlike the hammer used, there is no need to perform pasting work on hammer wood.

In addition, there is no need for hardening work on the pasted felt or alignment work to soften the contact area with the sound vibrating body using a needle, and the sound vibrating body striking part of each of the many hammers covering the entire sound range is not required. This makes it possible to effectively set the hardness distribution.

In particular, by selecting the outer covering layer, the contact area with the sound-producing vibrating body is necessarily set in a uniform and stable state, so that the alignment work required in conventional hammers can be reliably omitted.

Furthermore, since the shape is not determined by pasting felt, the shape of the hammer can be arbitrarily set to suit the sound-producing vibrator, and the weight can be arbitrarily selected to balance the vibrating body. It can be effectively used not only for strings but also for rod-shaped bodies, plate-shaped bodies, etc., and especially when used for electric pianos, it is possible to construct a piano hammer with uniform sounding characteristics and no variations, so it can be used as a sounding vibrator. When it picks up the vibrations of the drum and processes the electric circuit, it has a great effect in expressing a better and more unified performance sound.It is particularly effective because it does not require any adjustment work due to aging. is significant.

[Brief explanation of the drawing]

FIG. 1 is a side view of a conventional piano hammer, and FIG. 2 is a side view of a piano hammer according to an embodiment of this invention. 11・・・・・・Hammerwood, 12・・・・・・／
・Number base material, 13... Outer coating layer.

Claims (1)

[Scope of utility model registration request] A hammer base material made of hard elastic rubber is fitted onto hammer wood and fixed with adhesive, and an outer covering layer made of artificial leather formed into a thin piece is adhered to the outer surface of the hammer base material with adhesive. This is a piano in which the sound vibrating body is struck by this outer layer.