Geometrical instruments – Scriber – Parallel line
Patent
1980-03-26
1982-01-05
Haroian, Harry N.
Geometrical instruments
Scriber
Parallel line
B43L 1302
Patent
active
043086640
ABSTRACT:
The invention relates to a spacing device for use with a ruler or other straightedge to aid handwriting of a neat and tidy appearance. The device comprises a resilient spacing member mounted on or in a writing implement and adapted to maintain under a first degree of manual pressure a predetermined distance between a writing point of the writing implement and an edge of a stationary ruler device positioned on a surface to be written upon, said spacing member being movable under a second, increased, degree of manual pressure to reduce the distance by a predetermined amount.
REFERENCES:
patent: 200588 (1878-02-01), Walter
patent: 405650 (1889-06-01), Anderson
patent: 585008 (1897-06-01), Shaw
patent: 886346 (1908-05-01), Caldwell
patent: 1902865 (1933-03-01), Koester
patent: 3245146 (1966-04-01), Rogers
Popular Science-"Pencil Clip used as to Paint Stripe", 7/45, p. 196.
Popular Mechanics-"Pen Modified with a Paperclip to Prevent Blots Under Ruler", 12/57, p. 186.
Haroian Harry N.
Zaitlen Richard H.
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