Geometrical instruments – Gauge – Collocating
Patent
1997-12-03
1999-03-23
Fulton, Christopher W.
Geometrical instruments
Gauge
Collocating
269904, 269910, G01D 2100
Patent
active
058844112
ABSTRACT:
A building frame alignment apparatus includes a T-shaped beam member which includes a top planar portion and a bottom planar portion which projects from the top planar portion at a right angle. A longitudinally oriented leveling indicator assembly is connected to the bottom planar portion, and a transversely oriented leveling indicator assembly is connected to the bottom planar portion. The bottom planar portion includes a plurality of beam-reception notches positioned longitudinally along a bottom edge of the bottom planar portion. Side walls of the beam-reception notches are oriented perpendicular to the top planar portion. The plurality of beam-reception notches includes a first beam-reception notch located at a first end of the bottom planar portion, a second beam-reception notch located at a second end of the bottom planar portion, and a third beam-reception notch located on the bottom planar portion between the first beam-reception notch and the second beam-reception notch. The beam-reception notches include two side walls and a top wall which is perpendicular to the two side walls. The top planar portion includes a writing-implement access channel. A writing implement, such as a pencil, can be used with the writing-implement access channel to enable scribing on a board. The bottom planar portion bisects the top planar portion. An adjustable clamping assembly is connected to the top planar portion.
REFERENCES:
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patent: 5490334 (1996-02-01), Payne
patent: 5628119 (1997-05-01), Bingham et al.
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