Surveying instrument

Details Surveying instrument Surveying instrument

1980-03-06

1981-09-22

Stephan, Steven L.

Geometrical instruments

Straight-line light ray type

Rod or target

248187, G01C 1508

Patent

active

042902070

ABSTRACT:
A device for holding a surveying instrument plumb and level. The device is attached to a tripod, and a clamp holds a slide bar which, in turn, is affixed to a clip bar. A range pole or other surveying instrument is held by the clip bar and a level is also affixed to the clip bar.

REFERENCES:
patent: 2169533 (1939-08-01), Kasten
patent: 3300165 (1967-01-01), O'Kane
patent: 3685162 (1972-08-01), Haun
patent: 3755905 (1973-09-01), Blubaugh et al.
patent: 3857639 (1974-12-01), Mason
patent: 4192076 (1980-03-01), Hall

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