Coating implements with material supply – With means to agitate material in reservoir
Patent
1994-04-26
1995-11-21
Bratlie, Steven A.
Coating implements with material supply
With means to agitate material in reservoir
401187, 401188A, 401213, 401214, B43K 700, B43K 703, B43K 900
Patent
active
054680824
ABSTRACT:
A writing instrument has an ink reservoir under pressure. Compressed ink in the ink reservoir is supplied through an ink passage to a ball tip also acting as a valve body. A push rod is inserted in the ink passage and is intended to urge the ball forward. The ball tip is in a closed state when the writing instrument is used and is in an open state when the writing instrument is used for supplying ink. A stirring weight is housed in the ink reservoir. When the writing instrument is swung, the stirring weight is moved to stir ink in the ink reservoir. The stirring weight interferes with the push rod to displace it. The push rod is displaced to stir ink in the ink passage whereby ink containing air and/or air bubbles in the ink passage is removed.
REFERENCES:
patent: 853156 (1907-05-01), Brenton
patent: 1848358 (1932-03-01), Kratz
patent: 2227235 (1940-12-01), Robbins
patent: 2643639 (1953-06-01), Kuhn
Patent Abstracts of Japan, vol. 17, No. 368 (M-1443) 12 Jul., 1993.
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