Mechanical guns and projectors – Centrifugal – Mechanical
Patent
1995-10-05
1998-10-13
Ricci, John A.
Mechanical guns and projectors
Centrifugal
Mechanical
F41B 304
Patent
active
058197150
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention relates to a bullet shooting apparatus, a bullet supply apparatus, and a bullet shooting system comprising these apparatuses, and in particular, relates to a bullet shooting apparatus, a bullet supply apparatus which supplies a bullet to the bullet shooting apparatus, and a bullet shooting system comprising these apparatuses, to be used for toy guns.
PRIOR ART
A conventional bullet shooting apparatuses in the field of toys, i.e., toy guns, includes an apparatus which shoots a bullet by using pressure generated from the compression of air or other gas, such as freon gas, carbon dioxide or LP gas, and an apparatus which shoots a bullet by using a rubber piece or spring.
However, in a toy gun which shoots a bullet by using compressed air, the compressed air is transferred to the bullet by a bullet shooting piston for each bullet to be shot, and a movement to pull the piston (hereinafter referred to as "cocking") is required. As a result, it is difficult to shoot consecutive shots.
Concerning a toy gun which shoots a bullet by using a gas other than air, such as freon gas or carbon dioxide, the vaporization ratio of the gas varies, depending on the temperature, and thus the initial shooting speed and the speed of consecutive shots will also vary, depending on the temperature. In extreme cases, the bullet cannot be launched because of the liquefaction of the gas. Furthermore, freon, the preferred gas to be used in such an apparatus, will be abolished for environmental protection reasons.
In order to improve the weak points in a toy gun which uses compressed air (as described above), a toy gun comprising a tank filled with compressed air, whereby a bullet is shot by using the compressed air, has been proposed. However, this kind of toy gun has various problems, ie., the toy gun must be accompanied by a large, heavy tank.
In order to solve the above problems, a toy gun comprising a motor driven by a battery, whereby the cocking mechanism can be continuously driven, allowing bullets to be shot consecutively, has been recently proposed.
SUMMARY OF INVENTION
All of the above conventional toy guns shoot bullets by using a cocking mechanism, and the speed of consecutive shots (number of bullets shot per unit-hour) depends on the cocking mechanism. Moreover, because the rotation of the motor driven by electricity is converted into the reciprocating motion of the piston, a problem arises in that the initial shooting speed is lower than its theoretical value, due to energy loss.
Another problem arises in that the shooting range is insufficient because a plastic bullet shot from a toy gun drops too soon, due either to air resistance or the light weight of the bullet.
The objective of the present invention is to provide a bullet shooting apparatus, the speed of consecutive shots and initial shooting speed of which is high, without using compressed gas, and without suffering from energy loss. Another objective of the present invention is to provide a bullet shooting apparatus that is capable of extending the shooting range. Another objective of the present invention is to provide a bullet supply apparatus which may efficiently supply a bullet to the bullet shooting apparatus. Another objective of the present invention is to provide a bullet shooting system, comprising a bullet shooting apparatus and a bullet supply apparatus according to the present invention.
In order to achieve the aforementioned objectives, the present invention is characterized as a bullet shooting apparatus comprising a barrel, a bullet supply mechanism for supplying bullets to the barrel, and a rotating means for rotating the inside of the barrel and shooting a bullet from the bore located at the end of the barrel, by directly pushing the bullet into the barrel.
The barrel should preferably be curved. Particularly, the barrel should preferably be formed in a helix (swirling) shape. The barrel should also preferably have a helix at the portion adjacent to the starting point, and should continue from the port
REFERENCES:
patent: 1201626 (1916-10-01), Reynolds
patent: 1408137 (1922-02-01), Parsons
patent: 1662629 (1928-03-01), Baden-Powell
patent: 2684062 (1954-07-01), Rose
patent: 4632086 (1986-12-01), Rutten
Haneda Hisatsugu
Kato Hiroyuki
Suzuki Masaru
Haneda Hisatsugu
Ricci John A.
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