Music box for playing music with disk or card as medium

Details Music box for playing music with disk or card as medium Music box for playing music with disk or card as medium

1982-02-17

1984-08-21

Franklin, Lawrence R.

Music

Instruments

Automatic

84 94R, G10F 106

Patent

active

044663285

ABSTRACT:
A music box for playing music with a disk or a card as a medium has an improved ratchet unit for driving a vibrating reed assembly having a plurality of vibrating reeds. The ratchet unit has two arcuate shaped spacers which fit inside circular holes of a plurality of ratchets having teeth so that the teeth are guided by arcuate shaped grooves in the spacers. A hollow cylindrical member is then inserted between the spacers and a driving shaft is inserted into the hollow cylindrical member for driving the medium. A braking member is then inserted between the hollow cylindrical member and the ratchets to prevent the ratchets from being displaced due to external vibrations. The ratchet unit can be readily assembled and easily adapted to conventional music boxes.

REFERENCES:
patent: 558442 (1896-04-01), Vernaz
patent: 581981 (1897-05-01), Cuendet
patent: 638524 (1899-12-01), Schluss
patent: 3559525 (1971-02-01), Fishbein
patent: 3691286 (1972-09-01), Komatsu et al.

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