Thickness measuring apparatus

Details Thickness measuring apparatus Thickness measuring apparatus

1989-08-03

1990-07-17

Haroian, Harry N.

Geometrical instruments

Distance measuring

Opposed contacts

3350104, 33797, G01B 712

Patent

active

049412698

ABSTRACT:
Disclosed is an thickness measuring apparatus comprising: a C-shaped block; a pair of arms which arc provided on the block, each of which is equipped with a pivot section situated at one end thereof, each pivot section being equipped with a spring element; a pair of lever members pivotably mounted on the respective spring elements; measuring elements mounted on the respective outer end sections of the lever members and adapted to be brought into contact with the article to be measured; a first compression spring provided between one of the pair of arms and a section of one of the lever members which is near the inner end thereof so as to bias this lever member; a second compression spring provided between the other of the pair of arms and a section of the other of the lever members which is near the inner end thereof so as to bias this lever member; thickness measuring devices provided respectively on the pair of arms and adapted to detect any movement of the lever members so as to measure the thickness of the article; and a device for driving the inner ends of the lever members such that the outer ends of the lever members are spaced apart from each other.

REFERENCES:
patent: 4279079 (1981-07-01), Gamberini et al.
patent: 4291466 (1981-09-01), Bell et al.
patent: 4473551 (1984-10-01), Golinelli et al.

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