Telescoping measuring device

Details Telescoping measuring device Telescoping measuring device

1998-04-02

2000-07-11

Fulton, Christopher W.

Geometrical instruments

Distance measuring

Opposed contacts

33295, 33296, G01C 1500

Patent

active

060854340

ABSTRACT:
A measuring device (20), having an outer base arm (22), an end arm (24), a plurality of intermediate arms (26, 28, 30, 32, 34), and a sequential deployment assembly (36), is utilized to take internal measurements with a high degree of accuracy. The sequential deployment assembly (36) operates to sequentially deploy the arms (24-34) as each arm reaches a fully deployed position. A longitudinal serial of graduations is operatively associated with the arms for an (24-34) operator to read distances therefrom.

REFERENCES:
patent: 509096 (1893-11-01), Preston
patent: 1031517 (1912-07-01), Boyce
patent: 1192418 (1916-07-01), Hallberg
patent: 2232824 (1941-02-01), Maher
patent: 2603880 (1952-07-01), Dunn
patent: 3168305 (1965-02-01), Lee
patent: 3190008 (1965-06-01), Weiss
patent: 3492737 (1970-02-01), Swanson
patent: 4223445 (1980-09-01), Goodland
patent: 4766673 (1988-08-01), Bolson
patent: 5070620 (1991-12-01), Crain et al.

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