Multiple tier ring with interchangeable settings

Details Multiple tier ring with interchangeable settings Multiple tier ring with interchangeable settings

1987-09-09

1989-06-27

Brittain, James R.

Jewelry

Body member encircling ornament

Ring

63 31, A44C 900

Patent

active

048417467

ABSTRACT:
A finger ring is provided with ringlets mounted in a multiple tier arrangement. The ringlets are rotatably mounted about a removable axle. Each ringlet is coupled to the axle by a ball bearing assembly which is secured to the inside diameter of each ringlet. According to this rotary mounting arrangement, the center of gravity of each ringlet is offset with respect to its axis of rotation about the axle. Momentum imparted to each ringlet causes the ringlets to undergo separate and independent rotary movements, with the relative rates of rotation depending upon relative mass differences of the respective ringlets.

REFERENCES:
patent: D257018 (1980-09-01), Barr
patent: 1060631 (1913-05-01), Rich et al.
patent: 1672355 (1928-06-01), Ullman
patent: 3805549 (1974-04-01), Nielsen
patent: 4052864 (1977-10-01), Hofsaess
Publication of the American Diamond Jewelry Competition, 1973, Copy in cl. 63/31.

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