Driving structure of the external rotary disk of the crystal bal

Details Driving structure of the external rotary disk of the crystal bal Driving structure of the external rotary disk of the crystal bal

1996-03-06

1997-12-30

Marmor, Charles A.

Machine element or mechanism

Gearing

Directly cooperating gears

74577M, 185 39, 192 46, 40430, F16H 120, F16D 1116, F03G 108

Patent

active

057017859

ABSTRACT:
The present invention is related to a driving structure of the external rotary disk of the crystal ball the inner rim the external rotary disk of which is provided with two set of gears which is engaged with the external rotary disk. The diameters of center gear for each set of the gears are different with each other, wherein the center gears are formed an unidirectional device with the axle of the spring. Therefore, the external rotary disk is driven by the dynamic force of the spring of the music box through one of the gears sets, on the contrary, the external rotary disk can be rotated with a preset direction, thus the other gear set will be driven to rapidly tightly wind the spring of the music box.

REFERENCES:
patent: 2305666 (1942-12-01), Bolsey
patent: 4401006 (1983-08-01), Sekiguchi
patent: 5000721 (1991-03-01), Williams
patent: 5070633 (1991-12-01), Lice

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