Music box

Details Music box Music box

1996-03-11

1997-12-30

Spyrou, Cassandra C.

Music

Instruments

Automatic

G10F 106

Patent

active

057033056

ABSTRACT:
A music box comprises a drive shaft for winding a spring, a drum which rotates with transmitted rotation of the drive shaft when a spring is released, a vibrating plate with reeds for playing music when struck by pins on the drum, speed governing device having a speed increasing gear train which transmits the rotation of the drive shaft and a worm shaft which is positioned in the final step of the speed increasing gear train and on which a rotor is fixed, a frame for rotatably supporting the drive shaft and one end of the worm shaft and on which the drum, the vibrating plate and the speed governing device are arranged and a housing unit which rotatably supports the drive shaft and has a spring enclosure for enclosing a spring and a support unit which is formed at an end of the spring enclosure and supports the other end of the worm shaft. The support unit comprises a bearing unit which rotatably supports the other end of the worm shaft at a center thereof, an outer frame formed to enclose the bearing unit and a slit being formed between the bearing unit and the outer frame.

REFERENCES:
patent: 4458573 (1984-07-01), Isaka
patent: 5449856 (1995-09-01), Nakamori

Affiliated with

Also associated with

Rating

Music box does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Music box, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Music box will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-204236