Drum head assembly and method of tensioning a drum head

Details Drum head assembly and method of tensioning a drum head Drum head assembly and method of tensioning a drum head

G - Physics

10

D

G10D 13/02 (2006.01)

Patent

CA 2494666

There is provided a drum head assembly (10). The drum head assembly has an outer member (20) and an inner member (40). The outer member has an L- shaped step on its inside surface with posts (25) extending outward from the base of the step. The depth of the inside edge of the outer member determines the amount of tension on the head. A die cut head or skin (30) with holes punched to match the posts is inserted into the outer member. The inner member with holes that match the posts in the outer member is pressed onto the underside of the outer member. The pressure forces the inner member into the inside edge of the L-shaped inside surface of the outer member. There is also provided a method in which the die cut head or skin gets pulled at the same time, thus creating tension. While the assembly is still under pressure, a heated mandrel melts the post ends onto the inner member, thus holding the three components of the assembly in place.

Cette invention se rapporte à un ensemble peau de tambour (10), qui comprend un élément externe (20) et un élément interne (40). L'élément externe comporte un gradin en L sur sa surface interne avec des tenons (25) s'étendant vers l'extérieur depuis la base du gradin. La profondeur du bord interne de l'élément externe détermine le degré de tension s'exerçant sur la peau. Une peau ou une membrane découpée à la forme (30) pourvue de trous poinçonnés de façon à correspondre aux tenons est insérée dans l'élément externe. L'élément interne pourvu de trous qui correspondent aux tenons de l'élément externe est pressé sur la face inférieure de l'élément externe. Cette pression force l'élément interne à venir s'engager dans le bord interne de la surface interne à gradin en L de l'élément externe. Cette invention concerne également un procédé grâce auquel la peau ou membrane découpée à la forme est tirée en même temps, créant ainsi une tension. Pendant que l'ensemble se trouve ainsi sous pression, un mandarin chauffé fait fondre les extrémités des tenons sur l'élément interne, maintenant ainsi les trois composants de l'ensemble à leur place.

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