Base-point anchor

Details Base-point anchor Base-point anchor

1988-05-24

1990-12-11

Scherbel, David A.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33404, 33414, 52105, G01C 1510

Patent

active

049760416

ABSTRACT:
A base-point anchor that will allow anchoring of chalklines, plum bob lines, string for layout lines and tape rules, comprising a body with adhesive locking apertures and an anchor aperture and a bulk adhesive adhering to the body and extruded into the adhesive locking apertures.

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Pp. 20 to 23 of catalog for "Vac-U-Rig" Products.

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