Handwriting or ink applying device

Details Handwriting or ink applying device Handwriting or ink applying device

1999-10-20

2000-08-22

Eloshway, Charles R.

Coating implements with material supply

Including means to apply material-moving force

Including means to flex diaphragm within rigid reservoir

401151, 401195, 401258, B43K 818, B43K 518, B43K 710

Patent

active

061061808

ABSTRACT:
A handwriting or ink applying device includes a casing for holding a flexible ink container, the casing having a writing tip at a writing end thereof The rear end of the writing tip communicates with an L-shaped ink-containing chamber. The ink-containing chamber has a valve interposed between the ink container and the chamber. The valve is connected to a spring biased lever arm that biases the valve into a closed position. A flexible bubble having an interior communicating via a channel with the ambient air is responsive to pressure differences between the ambient air and the interior of the chamber to open and close the valve as the level of ink in the ink-containing chamber rises and falls.

REFERENCES:
patent: 1821477 (1931-09-01), Parker
patent: 2567618 (1951-09-01), Quaintance
patent: 4350458 (1982-09-01), Murahara et al.
patent: 4573819 (1986-03-01), Herrnring
patent: 5211495 (1993-05-01), Jozat et al.
patent: 5336007 (1994-08-01), Jozat
patent: 5443322 (1995-08-01), Jozat et al.

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