Speed governor for music box or the like

Details Speed governor for music box or the like Speed governor for music box or the like

1991-02-15

1993-01-12

Gellner, Michael L.

Music

Instruments

Automatic

G10F 106

Patent

active

051792362

ABSTRACT:
A speed governor for a music box driven by an energized spring includes a worm wheel operatively connected to and driven by the energized spring; a worm shaft driven by the worm wheel; a rotary member connected to the shaft and driven by the wheel and having a top, a bottom and at least one peripheral surface, the member including a plurality of coupling portions connected to the shaft, which are elastically deformed due to rotation, each of the coupling portions having at least one groove and being disposed so that at least one of the top and the bottom surfaces of each of the coupling portions is located substantially parallel to but not coincident with an imaginary plane containing the center of gravity of the member located perpendicular to the shaft: and a brake portion provided near one of the top, the bottom or peripheral surface of the member so as to be rubbed by one of the top, the bottom or peripheral surface when the rotational speed of the rotary member is greater than or equal to a predetermined speed.

REFERENCES:
patent: 4458573 (1984-07-01), Isaka
patent: 4464969 (1984-08-01), Isaka et al.

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