Spirit level

Details Spirit level Spirit level

1996-02-29

1998-01-20

Fulton, Christopher W.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33365, 33379, G01C 928

Patent

active

057090343

ABSTRACT:
A spirit level including a body portion having at least one open, hollow end, the body portion having at least one aperture formed on a face thereof, and a clamp insertable into the at least one hollow end, the clamp including at least one vial mounting portion, the clamp being folded and inserted into the at least one hollow end, the at least one vial mounting portion being adapted to be fixedly held in the at least one aperture after insertion of the clamp into the at least one hollow end, wherein a vial is fixedly mountable in the at least one vial mounting portion.

REFERENCES:
patent: 1777429 (1930-10-01), Charlton
patent: 2669029 (1954-02-01), Ries
patent: 3738015 (1973-06-01), De Jong
patent: 4124940 (1978-11-01), Vaida
patent: 4860459 (1989-08-01), Dengler
patent: 5406714 (1995-04-01), Baker et al.

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