Alignment device

Details Alignment device Alignment device

1977-01-17

1978-04-25

Vlachos, Leonidas

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33185R, 33390, 33370, 33344, 408 16, G01C 922

Patent

active

040855155

ABSTRACT:
An alignment device comprising a plurality of hollow arcuate sections secured together at their inner edges so as to form a hollow center with a base support member, an aperture for admitting fluid and scalar indicia about the outer edges of the arcuate section. The device may be adapted to removably accept a rigid rod opposite said base, said rod being adapted for insertion into the chuck of a drill.

REFERENCES:
patent: 1409537 (1922-03-01), Franzen
patent: 3763570 (1973-10-01), Andersen

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