Instantaneous rotation device

Details Instantaneous rotation device Instantaneous rotation device

1982-09-28

1984-07-17

Hix, L. T.

Music

Instruments

Automatic

G10F 106

Patent

active

044598939

ABSTRACT:
An instantaneous rotation device for a jack-in-the-box type music box comprises a gear adapted to be driven by a power source, an abutting portion formed on said gear, a dog rotatably provided to the gear and having a projection, a spring for biasing the projection into abutment with the abutting portion, a stationary limiting member projecting into a path of rotation of the projection, a cam member for eccentrically moving the projection out of engagement with the stationary limiting member, and a movable member biased to project into the path of rotation of the projection ahead of the limiting member in the direction of rotation of the gear. As the projection abuts against the limiting member, the spring is energized, and as the projection is released from the limiting member by the cam member, the projection instantaneously rotates the movable member by making use of the energy stored in the spring.

REFERENCES:
patent: 415034 (1889-11-01), Gautschi
patent: 459970 (1891-09-01), VanFleet
patent: 526499 (1894-09-01), Paillard et al.
patent: 1735923 (1928-11-01), Helgeby
patent: 3037779 (1959-04-01), Duncan

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