Geometrical instruments – Scriber – Parallel line
Patent
1994-09-09
1996-04-23
Will, Thomas B.
Geometrical instruments
Scriber
Parallel line
33613, B43L 1302, G01D 2100
Patent
active
055092071
ABSTRACT:
A speed layout stick comprised of an oblong bar having a handle secured to the midpoint thereof. The oblong bar has a length of sixty-four inches. The oblong bar has four pair of apertures formed therethrough at areas spaced at sixteen inch intervals. Four pair of lead holders are secured to the oblong bar adjacent the four pair of apertures. Each of the four pair of lead holders have a pull pin thereattached. The pull pin functions to removably secure an object within the lead holders. A plurality of lead sticks are received through each of the apertures of the oblong bar and each of the lead holders and secured therein by the pull pin. The lead sticks function to draw lines on a surface.
REFERENCES:
patent: 897987 (1908-09-01), Mezger
patent: 900880 (1908-10-01), Packer
patent: 2428213 (1947-09-01), Gloede
patent: 2471193 (1949-05-01), Brower
patent: 2686959 (1954-08-01), Robinson
patent: 3628253 (1971-12-01), Shepard
patent: 4455750 (1984-06-01), Sturz
patent: 4527337 (1985-07-01), Dreiling
patent: 4958814 (1990-09-01), Johnson
patent: 5291663 (1994-03-01), Briglia et al.
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