Vernier caliper

Details Vernier caliper Vernier caliper

1980-12-30

1983-03-08

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33147T, G01B 502

Patent

active

043757227

ABSTRACT:
A vernier caliper includes a main beam body consisting of two round rods parallel to each other and connected together at one end by a jaw, and at the other end by a rear frame. A vernier is supported freely and slidably on the rods. The rods can be hollow and can have their respective ends inserted into openings of the jaw and rear frame and secured in the openings with adhesive, solder, or screws. A rack can be formed on one of the rods to drive, for example, a dial indicator, and graduations can be provided on a rod to read the measurement taken with the vernier. This construction provides a more accurate vernier caliper which can be precisely assembled without grinding, for example, jaw faces, after assembly to calibrate the caliper.

REFERENCES:
patent: 1515266 (1924-11-01), Mitchell
patent: 2531334 (1950-11-01), Grenat
patent: 2741848 (1956-04-01), Livingston
patent: 3228287 (1966-01-01), Bizzoco et al.
patent: 3302294 (1967-02-01), Eguchi
patent: 4077129 (1978-03-01), Nishikata
patent: 4136455 (1979-01-01), Owsen

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