Geometrical instruments – Area integrators – Electrical
Patent
1977-04-11
1978-12-12
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
33147E, 33178R, G01B 520, G01B 528
Patent
active
041289439
ABSTRACT:
Method and apparatus for gauging inner and outer surfaces of a member, the member mounted on a table with the surface to be gauged oriented perpendicular to the table surface. Three feelers are disposed above the table. The feelers are adjustable radially in their position depending on the geometry of the member. One of the said feelers is spring biased for radial movement and bears against the said surface. This movable feeler is connected to a comparator indicating its position.
The table is inclined so that, by gravity, the member rests with the surface to be gauged on the said three feelers. The table also is movable in a direction perpendicular to its plan, so as to permit movement of the member parallel to the surface to be gauged. Variations of the said surface are indicated by variations of the indications furnished by the comparator during this movement. A sustentation device which is adjustable in relation to the weight of the member acts on the table so that the table and the member therein can be maintained in any axial position.
REFERENCES:
patent: 3346964 (1967-10-01), Schiller et al.
patent: 3609870 (1971-10-01), Johnson et al.
Aegerter Richard E.
Henri Muhlethaler S.A.
Little Willis
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