Apparatus for measuring the angle of a hole in a surface

Details Apparatus for measuring the angle of a hole in a surface Apparatus for measuring the angle of a hole in a surface

1985-11-22

1986-12-02

Little, Willis

Geometrical instruments

Gauge

Angle

33509, 33172D, G01B 525

Patent

active

046254277

ABSTRACT:
The angle of a hole in a surface with respect to that surface is measured by a ball mounted between a pair of plates, which ball can be located adjacent the hole. A pointer extends through the ball and projects on both sides. One end of the pointer extends into the hole and the other extends to within close proximity of a transparent dome. The angularity of the hole is then read from the pointer adjacent the dome, which pointer will indicate the angularity from indicia on the dome.

REFERENCES:
patent: 2706338 (1955-04-01), Ackerman et al.
patent: 3109243 (1963-11-01), McCormick
patent: 3206858 (1965-09-01), Bernard
patent: 3389475 (1968-06-01), Sapelak
patent: 3392453 (1968-07-01), Snoddy
patent: 3802084 (1974-04-01), Fortado, Jr.
patent: 4242801 (1981-01-01), Ellison

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