Abrégé

Repair device for a dent is provided in metal bend tube part of musical instrument capable of effectively performing repair work in short time, not by conventional repair method using dent ball. In the device, a pressurizing device main body is also provided formed by connecting base member having an L shape in side view with first fulcrum at a base thereof and movable pressurizing member whose upper surface has convex arc-shaped surface in side view and has a second fulcrum at center part of lower surface, through a first and second arm. A wire, passes through the second arm and upright part of base member in axial direction, is provided, stopper is fastened to an end of wire which has passed through to outside of second arm, and wire passes through inside of curved metal tube and other end side of wire is connected to a foot pressing device.

Classes IPC  ?

• B21D 1/08 - Élimination des distorsions locales des corps creux faits de tôles
• B21D 1/06 - Élimination des distorsions locales
• B21D 9/12 - Cintrage des tubes par utilisation de mandrins ou d'organes analogues par poussée au-dessus d'un mandrin courbe par poussée à travers une matrice courbe
• G10D 9/00 - Parties constitutives des instruments de musique à vent, ou accessoires pour ces instruments
• G10G 7/00 - Autres dispositifs auxiliaires ou accessoires, p. ex. baguettes de chef d'orchestre ou étuis indépendants pour la colophane ou pour les cordes
• G10D 7/00 - Conception générale des instruments de musique à vent

Abrégé

Provided is a repair system for a dent in a metal bend part of a musical instrument, the system enabling repair work to be done efficiently in a short amount of time, without involving conventional repair that uses dent balls. Provided is a pressurizing device main body (1) formed by connecting the following via a first arm (4) and a second arm (5): a base member (2) having an L-shape in a lateral side view with a first fulcrum (P1) being provided at a base part of the L-shape; and a movable pressurizing member (3) in which an upper surface (3a) has an arc-shaped surface with a protruding shape in the lateral side view, and a lower surface has in a center section thereof a second fulcrum (P2). Provided is a wire (6) that passes through, in the axial direction, the second arm (5) and an upright section (2b) of the base member (2). A stopper (7) is fastened to an end of the wire (6) which has passed through to the outside of the second arm (5), and the wire (6) passes through the inside of a curved metal tube (9) and the other end of the wire connects to a foot pressing device (10).

Classes IPC  ?

• G10D 9/00 - Parties constitutives des instruments de musique à vent, ou accessoires pour ces instruments
• B21D 1/08 - Élimination des distorsions locales des corps creux faits de tôles
• G10G 7/00 - Autres dispositifs auxiliaires ou accessoires, p. ex. baguettes de chef d'orchestre ou étuis indépendants pour la colophane ou pour les cordes