DART PIN INCLUDING PLURITY OF FLIGHTS
The present invention relates to a dart pin structure capable of improving the straightness of a dart pin. According to at least one embodiment of the present invention, the straightness of a dart pin can be improved by including a first flight at the rear part of a barrel and supplying a rear lift...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to a dart pin structure capable of improving the straightness of a dart pin. According to at least one embodiment of the present invention, the straightness of a dart pin can be improved by including a first flight at the rear part of a barrel and supplying a rear lift to counterbalance when the dart pin flies, and by including a second flight at the front part of the barrel and supplying a front lift to the counterbalance. |
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