Support for a piano lid

G - Physics – 10 – C

Patent

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Details

G10C 3/04 (2006.01) G10C 1/00 (2006.01) G10C 3/02 (2006.01)

Patent

CA 2712042

A mechanism for supporting the weight of a piano lid is disclosed. One or more pneumatic cylinders and arms are used to assist a user in opening and closing the piano lid. In one embodiment, a guiding cup can be removably attached to the frame of the piano below each pneumatic cylinder. When the piano lid is open, the piston arm of the pneumatic cylinder engages the guiding cup. Because the pneumatic cylinder is not attached to the piano frame, the piano lid can be completely removed without the use of tools. Another embodiment provides a mounting bracket that fits over the rear frame of a piano, allowing the mechanism to be retrofit to any existing piano without any damage thereto.

L'invention concerne un mécanisme destiné à soutenir le poids d'un couvercle de piano. Au moins un cylindre pneumatique et des bras aident l'utilisateur à ouvrir et fermer le couvercle du piano. Dans un mode de réalisation, une coupelle de guidage peut être fixée amovible sur le cadre du piano en dessous de chaque cylindre pneumatique. Lorsque le couvercle du piano est ouvert, le bras de piston du cylindre pneumatique vient en contact avec la coupelle de guidage. Comme le cylindre pneumatique n'est pas fixé sur le cadre du piano, le couvercle du piano peut être retiré complètement, sans outils. Un autre mode de réalisation concerne un support de montage qui s'ajuste sur le cadre arrière d'un piano, ce qui permet de monter le mécanisme en rattrapage sur n'importe quel piano, sans l'endommager.

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