Music – Instruments – Automatic
Patent
1998-08-19
1999-10-26
Witkowski, Stanley J.
Music
Instruments
Automatic
84 98, G10F 106
Patent
active
059732407
ABSTRACT:
A music box comprises a base disc which has a plurality of projections corresponding to a music piece on its surface, a plurality of pin wheels which are individually rotated by contacting one of a plurality of such projections while the disc moves, a reed which generates sound by being picked by a pin portion projecting in the radial direction of the pin wheels, a plurality of dampers which are formed corresponding to each of the pin wheels to reduce vibration of the reed and a fixed shaft which rotatably supports individual pairs of the pin wheels and the corresponding dampers. The dampers further comprises a base portion which has combining device to rotate together with the corresponding pin wheels, an arm portion which is extended from the base portion to the vicinity of the pin portion and a contacting portion which is the end of the arm portion placed near the pin portion and which comprises a rotation path common with the pin portion such that the contacting portion contacts the reed for reducing vibration before the pin portion contacts the reed.
Sankyo Seiki Mfg. Co. Ltd.
Witkowski Stanley J.
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