Multiple line drawing aid

Details Multiple line drawing aid Multiple line drawing aid

1997-12-22

2000-03-28

Bennett, G. Bradley

Geometrical instruments

Scriber

Parallel line

401 35, B43L 1302

Patent

active

06041507&

ABSTRACT:
The multiple line drawing aid is a generally U-shaped device or channel which has holes in one side member and a tension friction plate attached to the holding member opposite. The tension friction plate has slots on the edge which are located to correspond to the holes in the aperture member. A drawing instrument such as a dry erase marker is then inserted in each hole and pushed into the structure formed by the friction plate and face plate to retain the marker. The holes and slots then serve to hold the inserted markers when the users moves them across a drawing surface to draw parallel lines.

REFERENCES:
patent: 235656 (1880-12-01), Sprague
patent: 883009 (1908-03-01), Gee
patent: 976687 (1910-11-01), Pickwick, Jr.
patent: 1841972 (1932-01-01), Mosley
patent: 2861343 (1958-11-01), Click
patent: 4008522 (1977-02-01), Anderson
patent: 4455750 (1984-06-01), Sturz
patent: 5116153 (1992-05-01), Tully
Photocopy of catalog item for Holding Multiple Pieces of Chalk, Date Unknown.

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