Automatic adjustment and control structure for writing liquid

Details Automatic adjustment and control structure for writing liquid Automatic adjustment and control structure for writing liquid

2007-08-07

2007-08-07

Walczak, David J. (Department: 3751)

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

C401S198000

Reexamination Certificate

active

11290385

ABSTRACT:
An automatic adjustment and control structure for writing liquid comprising a storage of writing liquid (1), an adjustment portion (2), an automatic adjustment and control element (3), a writing tip (4) and a guiding wick (5), wherein said automatic adjustment and control element is fixed within said adjustment portion and seals said storage of writing liquid, said adjustment portion defines an air aperture (21), one end of said guiding wick is deeply inserted into said automatic adjustment and control element and the other end is joined with said writing tip. The whole structure is very simple and the main performance thereof has advanced over high-class writing utensils and it is very fit for various types, purposes and classes of writing utensils.

REFERENCES:
patent: 3113336 (1963-12-01), Arvid
patent: 4336767 (1982-06-01), Wada
patent: 6416242 (2002-07-01), Kaufmann
patent: 6503017 (2003-01-01), Liu

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