Coating implements with material supply – Including means to apply material-moving force – Intercommunicable reservoirs or reservoir sections in series
Patent
1986-09-10
1987-11-24
Bratlie, Steven A.
Coating implements with material supply
Including means to apply material-moving force
Intercommunicable reservoirs or reservoir sections in series
401145, 401149, 401194, 401230, B43K 506, B43K 508, B43K 518
Patent
active
047085061
ABSTRACT:
An ink supply system for writing instruments which operate with liquid ink. The writing instrument has a large-volume ink reservoir which communicates via a recharge valve with a small-volume ink reservoir which is adjacent to the writing element. The transmission of ink from the large-volume ink reservoir to the secondary reservoir is controlled by a sensor as a function of the quantity of ink which is present in the secondary ink reservoir. In order to simplify the recharging of the ink, and to be able to operate with the least possible electrical energy, the present invention utilizes as a recharge valve a tube pump which is rotatably driven by an electric motor and also can generate the pressure necessary to convey the ink to the secondary ink reservoir.
REFERENCES:
patent: 4350458 (1982-09-01), Murahara et al.
patent: 4634305 (1987-01-01), Herrnring
Bratlie Steven A.
Montblanc-Simplo GmbH
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