Geometrical instruments – Gauge – Collocating
Patent
1987-03-18
1988-06-28
Haroian, Harry N.
Geometrical instruments
Gauge
Collocating
269909, G01B 330
Patent
active
047530146
ABSTRACT:
The joist hanger gage and holding device enables its user to position a joist hanger against the header vertically, space it horizontally, and hold it in position hands free. The inherent design of four major members, the solid jaw, movable jaw, vernier rod and horizontal spacer offer greater overall efficiency and greater personal safety regarding construction personnel hand injury over the present method of joist hanger installations.
REFERENCES:
patent: 3350787 (1967-11-01), Romano
patent: 4625415 (1986-12-01), Diamontis
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