Rotatable carpenter's level

Details Rotatable carpenter's level Rotatable carpenter's level

1993-09-16

1995-08-08

Fulton, Christopher W.

Geometrical instruments

Straightedge type

Combined with level

33375, 33452, B43L 710, G01C 924

Patent

active

054387612

ABSTRACT:
A level apparatus incorporates a ruler member for making linear measurements and a level support assembly which is rotatably mounted on the ruler member. The level support assembly is mounted in the center of the ruler member and includes a pair of brackets which support a cylindrically shaped level. The level support assembly includes a circular array of indicia for making angular measurements.

REFERENCES:
patent: 775483 (1904-11-01), Whitehouse
patent: 1454693 (1923-05-01), Schlattau
patent: 2471327 (1949-05-01), Hunt
patent: 2640268 (1953-06-01), Thompson
patent: 2691829 (1954-10-01), Arana
patent: 2692440 (1954-10-01), Walters
patent: 3187437 (1965-06-01), Ellis
patent: 3783525 (1974-01-01), Bloxom
patent: 4073062 (1978-02-01), Wright
patent: 4813149 (1989-03-01), Herkimer
patent: 5177873 (1993-01-01), Tate

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