Geometrical instruments – Distance measuring – Opposed contacts
Patent
1993-04-02
1994-06-14
Will, Thomas B.
Geometrical instruments
Distance measuring
Opposed contacts
33542, 33836, 3355801, G01B 508, G01B 512, G01B 518
Patent
active
053198603
ABSTRACT:
An instrument for the simultaneous measurement of a diameter of and a lateral distance along a work piece comprises a first member having a longitudinal track therein; a second member secured to one end of the first member having a reference surface for the lateral distance measurement, the reference surface being positioned against an end of the work piece from which the lateral distance is to measured; a third member disposed in the track slideable longitudinally therein; a pair of arms mounted in a pincer-like fashion on the third member and extending through the second member to enable measuring the diameter and the lateral distance from the reference surface of a given portion of the work piece; a first arrangement coupled to the third member and one of the pair of arms to obtain a first readout of the lateral distance from the reference surface of the given portion of the work piece; and a second arrangement coupled to the first arrangement and the other of the pair of arms to obtain a second readout of the diameter of the given portion of the work piece.
REFERENCES:
patent: 111892 (1871-02-01), Williams
patent: 608183 (1898-08-01), Davis
patent: 2339720 (1944-01-01), Smith
patent: 2541821 (1951-02-01), Kneissler
patent: 3081548 (1963-03-01), Schwartz
patent: 3225447 (1965-12-01), Bryant
patent: 4982505 (1991-01-01), Pocci
patent: 5171248 (1992-12-01), Ellis
Hill Alfred C.
Will Thomas B.
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