Surface texture measuring instrument

Details Surface texture measuring instrument Surface texture measuring instrument

1987-08-05

1988-08-23

Levy, Stewart J.

Measuring and testing

Surface and cutting edge testing

Roughness

G01B 528

Patent

active

047651814

ABSTRACT:
A surface texture measuring instrument comprises an immovable casing located on an object, a movable pick-up for detecting a surface roughness of the object, and a driving unit in the casing for driving the pick-up. The pick-up comprises a skid having a curved surface for absorbing a waviness component of the surface of the object, and a stylus in the skid for detecting the surface roughness thereof. The stylus is slightly deviated from a center of the curved surface to give a more accurate measurement of the surface roughness.

REFERENCES:
patent: 2404143 (1946-07-01), Reason
patent: 2405133 (1946-08-01), Brown
patent: 2460726 (1949-02-01), Arndt, Jr.
patent: 2620655 (1952-12-01), Priest
patent: 3049002 (1962-08-01), Hediger
patent: 3087329 (1963-04-01), Von Grodek et al.
patent: 3283568 (1966-11-01), Reason
patent: 3377828 (1968-04-01), Harmon
patent: 4133204 (1979-01-01), Mittleman
patent: 4574625 (1986-03-01), Olasz et al.
patent: 4665739 (1987-05-01), Mizuno
Tokyo Seimitsu Co., Ltd., "Surfcom 100b", (Surface Texture and Contour Measuring Instrument), Feb. 1983, pp. 3-4.

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