Gauge for measuring both the depth and the diameter of a bore ho

Details Gauge for measuring both the depth and the diameter of a bore ho Gauge for measuring both the depth and the diameter of a bore ho

1990-04-16

1991-01-08

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Internal

33544, 33836, 33808, G01B 512, G01B 518

Patent

active

049825054

ABSTRACT:
A gauge for measuring both the depth and the diameter of a bore hole comprises a member having a first longitudinal slot therethrough and a surface perpendicular to the slot to engage the face of the bore hole; a first arrangement slidably engaging the slot adjacent one end thereof having a first protrusion extending below the surface; a second arrangement slidably engaging the member adjacent the other end of the slot having first and second arms thereon each disposed at a given angle with respect to and on opposite sides of the member, each of the first and second arms having a second protrusion extending below the surface; the first protrusion and second protrusions engaging a selected one of an inner surface of the bore hole and an outer surface concentric with the inner surface of the bore hole to cooperate in aligning the member with the center line and the diameter of the bore hole; a third arrangement slidably engaging the first slot and the member to measure the depth of the bore hole; and a fourth arrangement slidably engaging the first slot and a first portion of the third arrangement and having a first thereof pivotably connected to a second portion of the third arrangement and a second portion thereof slidably engaging a third portion of the third arrangement to measure the diameter of the bore hole.

REFERENCES:
patent: 3685158 (1972-08-01), Planche
patent: 3922792 (1975-12-01), Ito
patent: 3995373 (1976-12-01), Brumbelow
patent: 4914826 (1990-04-01), Nold, III

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