Precision angularity hole checker with indicator

Details Precision angularity hole checker with indicator Precision angularity hole checker with indicator

1991-10-17

1993-10-12

Will, Thomas B.

Geometrical instruments

Gauge

Angle

33534, 33542, 340689, G01B 356, G01B 730

Patent

active

052513815

ABSTRACT:
A device for the angularity of a hole has a housing, a pivotally movable probe, and a digital display for displaying angular deviation of the probe from a home position. The device can additionally or alternatively have a signaling device to signal angular deviation of the probe past a predetermined angular deviation.

REFERENCES:
patent: 2975524 (1961-03-01), Field
patent: 3162953 (1964-12-01), Porter
patent: 4138824 (1979-02-01), Ponce de Leon
patent: 4219936 (1980-09-01), Bridges
patent: 4319403 (1982-03-01), Stearns
patent: 4328621 (1982-05-01), Benjamin
patent: 4338723 (1982-07-01), Benjamin
patent: 4486954 (1984-12-01), Mock
patent: 4638566 (1987-01-01), Thompson
patent: 4651430 (1987-03-01), Vasku
patent: 4897928 (1990-02-01), Maxville et al.

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