Surveying rule assembly, and methods of constructing and utilizi

Details Surveying rule assembly, and methods of constructing and utilizi Surveying rule assembly, and methods of constructing and utilizi

1992-06-24

1995-08-22

Wirthlin, Alvin

Geometrical instruments

Distance measuring

By flexible tape

33770, 33293, G01B 310

Patent

active

054428661

ABSTRACT:
An assembly for use by a surveyor having a ruler and an apparatus for securing the ruler to a surveyor's pole. The ruler has a retractable tape and a belt clip. The apparatus for securing the ruler to a pole includes a cradle sized to retain the ruler, a stop member, a planar wall member and attachment members for securing the apparatus to a pole. By securing the ruler to a pole, a single person may complete measurements which previously required two people. The tape of the ruler includes measurements which are inverted with respect to the tenth of a foot for easier reading.

REFERENCES:
patent: 1106152 (1914-08-01), McIntosh
patent: 1654164 (1927-12-01), Eldridge
patent: 1684566 (1928-09-01), Winkler
patent: 1978033 (1934-10-01), Suppes
patent: 2441734 (1948-05-01), Hyning
patent: 3105303 (1963-10-01), Frizzell
patent: 4200984 (1980-05-01), Fink
patent: 4880232 (1989-11-01), Lang
patent: 4967482 (1990-11-01), Hoover et al.
patent: 5113596 (1992-05-01), Meyers

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