One-piece hollow drumstick and method of making

Music – Instruments – Drum and cymbal beaters

Patent

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Details

G10D 1300

Patent

active

047635576

ABSTRACT:
A one-piece injection molded drumstick and method of making the drumstick are presented. The drumstick has a conventional appearing exterior surface, i.e., a relatively long cylindrical rear handle section of relatively uniform external diameter, a relatively short shank section which tapers uniformly from the forward end of the handle section to a smaller diameter neck section, and a substantially short, enlarged bulbous tip section joined to the neck portion. Formed within the handle and shank portion of the drumstick is an axially symmetric tunnel having substantially the same taper as the exterior of the drumstick, thereby resulting in a hollow handle and shank portion of substantially uniform wall thickness. The tunnel tapers down to a generally cylindrical hollow section which passes out through the front end of the tip section. Uniform wall thickness is made possible by the use of a bushing surrounding and supporting the molding core and sliding longitudinally within the mold cavity in response to molten plastic injected into the mold, maintaining the exterior surface and tunnel precisely concentric.

REFERENCES:
patent: 3147660 (1964-09-01), Brilhart
patent: 4202241 (1980-05-01), Lucas
patent: 4320688 (1982-03-01), Donohoe

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