Cylinder gauge

Details Cylinder gauge Cylinder gauge

1982-09-23

1984-10-16

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33147K, G01B 326, G01B 512

Patent

active

044766343

ABSTRACT:
A cylinder gauge capable of comparing and measuring a diameter of a hole of a workpiece.
This cylinder gauge comprising a spindle, a head receiving the bottom portion of the spindle, a measuring element inserted into the head and linearly movable in the radial direction of the spindle, and a guide member slidably provided on the head and abutting the measuring element in a vertical state against a surface to be measured, wherein a first spring for biasing the measuring element outwardly is provided on the side of the spindle and a second spring for biasing the guide member outwardly is provided above the axis of the measuring element, so that the diameter of a shallow hole can be measured.

REFERENCES:
patent: 2253803 (1941-08-01), Newberry
patent: 2424497 (1947-07-01), Nilsson
patent: 2443880 (1948-06-01), Aldeborgh et al.
patent: 2601496 (1952-06-01), Boat
patent: 3422540 (1969-01-01), Worthen
patent: 3882604 (1975-05-01), Macklyn

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