Geometrical instruments – Straightedge type – Combined with level
Patent
1997-03-14
1998-11-24
Fulton, Christopher W.
Geometrical instruments
Straightedge type
Combined with level
33465, 33452, B43L 710
Patent
active
058392017
ABSTRACT:
The present invention relates to a segmented, combination level and square that has a rotating joint. In a preferred embodiment, this hand tool provides the user with many optional tools in one. The tool can be configured as a level, a T-square, a framing square, a T-bevel, or a pocket square. In a preferred embodiment, this multi-segmented combination tool also provides the user with a convenient way not only to configure a level, in one inch increments, to any length from several inches to at least ten feet in length, but also to create more than one tool at a time such as a T-level and a framing square. In other preferred embodiments, the user is provided with optional features that enable them to carry on-site a single tool that can perform all tasks needed to do general construction layout such as roof framing.
REFERENCES:
patent: 320718 (1885-06-01), Steers
patent: 397128 (1889-02-01), Hester
patent: 451659 (1891-05-01), Hatcher
patent: 715897 (1902-12-01), Streed
patent: 4446627 (1984-05-01), Persson
patent: 4920658 (1990-05-01), Hile
patent: 5020233 (1991-06-01), Syken
Fulton Christopher W.
Voyce Brian D.
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