Music box operation stopping mechanism

Details Music box operation stopping mechanism Music box operation stopping mechanism

1981-08-03

1984-05-29

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

84 95R, 185DIG1, F03G 108, G10F 106

Patent

active

044509391

ABSTRACT:
A music box operating stopping mechanism in which a pull string for winding a coil string can be stopped with a very small force so as to prevent the skin of a finger from being caught by the string as passes through a hole in the case of the music box. A locking member is provided which can pass in and out of the region of rotation of an air braking type speed governor plate which is driven by the coil spring. The locking member is urged out of the region of rotation of the governor plate with an elastic force which is much smaller than the elastic force of the coil string. The string is engaged with the locking member so that when the string is pulled outwardly during playing of music, the locking member is moved into the region of rotation of the governor plate against the elastic force of the string.

REFERENCES:
patent: 2795294 (1957-06-01), Francis
patent: 3610369 (1971-10-01), Rodgers
patent: 3820432 (1974-06-01), Fishbein

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