Drafting device for the convenient containment of eraser shaving

Details Drafting device for the convenient containment of eraser shaving Drafting device for the convenient containment of eraser shaving

1989-04-07

1990-05-01

Aschenbrenner, Peter A.

Horizontally supported planar surfaces

With receptacle

Detachable or relatively movable

108 27, 108 50, 211 88, A47B 1700

Patent

active

049208950

ABSTRACT:
A drafting device connectable to a side of a drafting board having a top surface is disclosed. The device has a housing with a top, a pair of sides, a length, and an interior. A storage tray for drafting tools is affixed to the top of the housing. A removable trough is slidably mounted in the interior of the housing and has a retracted position, an extended position, and a pair of lips. A slot is contained on either of the pair of sides of the housing so that eraser shavings can be brushed from the drafting board through the slot and into the trough for keeping the drafting board clean.

REFERENCES:
patent: 1505803 (1924-08-01), Pylick
patent: 2645230 (1953-07-01), Knapp
patent: 2861386 (1958-11-01), Paulsen et al.
patent: 3080141 (1963-03-01), Ricci
patent: 3389520 (1968-06-01), Gray et al.
patent: 3450071 (1969-06-01), Mack
patent: 4716840 (1988-01-01), Tringali et al.
patent: 4802595 (1989-02-01), Northington

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