Mechanical pencil equipped with lead-storing cartridge

Details Mechanical pencil equipped with lead-storing cartridge Mechanical pencil equipped with lead-storing cartridge

1984-08-14

1986-10-28

Apley, Richard J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 65, B43K 2100

Patent

active

046195394

ABSTRACT:
A mechanical pencil is constructed of (a) a decorative barrel to be held by a user; (b) a lead-feeding mechanism disposed within the decorative barrel; (c) a lead guide connected to the lead-feeding mechanism; and (d) a lead-containing cartridge having an outer diameter substantially equal to the inner diameter of the decorative barrel and held detachably in the decorative barrel. The mechanical pencil according to the present invention can be continuously used by simply replacing a used-up cartridge with a fresh cartridge containing a plurality of writing leads. Thus, it is unnecessary, different from conventional mechanical pencils, to insert a fresh supply of writing leads one by one into the mechanical pencil. Since a user is not required to touch writing leads directly, his hands are not smeared.

REFERENCES:
patent: 3917418 (1975-11-01), Lanoie
patent: 4167350 (1979-09-01), Harris
patent: 4371277 (1983-02-01), Kageyama

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