Univeral level light adapter

Details Univeral level light adapter Univeral level light adapter

1987-11-09

1989-05-30

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

With viewing aid

G01C 932

Patent

active

048337889

ABSTRACT:
A spirit level light adapter assembly having a housing which is securable to a spirit level. The adapter has a pair of flexible, resilient, light supports which are extendable from an opening at each end of said housing. The housing contains a battery, a switch and a circuit connecting light emitting components in the end of each light support. The housing is securable to any size spirit level to permit the sight openings and/or the work element to be illuminated.

REFERENCES:
patent: 1169005 (1916-01-01), Caswell et al.
patent: 1294878 (1919-02-01), Constantine
patent: 2198945 (1940-04-01), Morris
patent: 2305678 (1942-12-01), Cravaritis et al.
patent: 2652481 (1953-09-01), Hall

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