Design apparatus
OwnerFausto Cimadorinventor
Life of this patent
Estimating the term…
Abstract
A body having a pair of holes is provided to hold a pair of pencils or the like. The bores are provided with a threaded interior surface into which the instrument may be screwed and held.
Claims4
A holder for securing two pencils in parallel position to each other so as to enable said pencils to draw two lines simultaneously comprising a body having a pair of parallel bores, said body being formed of a substantially rigid elastomeric material adapted to forcibly hold within each of said bores a writing instrument, each said bore being threaded on its inner surface said thread being sufficiently deep to secure the writing instrument in fixed position therein, the first turns in said threads having a greater pitch than the remaining turns.
Dependencies are inferred from the claim text.