Ring sizer

Details Ring sizer Ring sizer

1990-01-19

1990-10-23

Larson, Lowell A.

Geometrical instruments

Gauge

Internal

29 8, G01B 300

Patent

active

049642227

ABSTRACT:
A ring sizer which closely conforms to any ring shape thereby permitting correct sizing of a ring being measured. At least the surface portions of the ring sizer are elastic and adapted to distort locally to the extent necessary for complete conformity with the inner surface of a ring placed thereon and in frictional contact therewith.

REFERENCES:
patent: 343582 (1886-06-01), Harwood
patent: 1210963 (1917-01-01), Mascher
patent: 2830376 (1958-04-01), Menoher
patent: 3618218 (1971-11-01), Harris, Sr.

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