Calcomp Inc.

Charles J Sabonis

Stephen R Boss

Howard Siu

An improved ink delivery system for an ink jet printer having a print carriage that traverses across a print medium comprising an ink source, a print head, and a coupler for coupling the ink source to the print head, the coupler including a pair of flexible tubes for carrying the ink and a Y-coupler for coupling to the pair of flexible tubes and the ink source, the Y-coupler causing the pair of flexible tubes to initially diverge. A check valve is provided to prevent back siphoning.

Constant flow ink delivery system

The bag includes a selected volume of gas having a selected volume of dead space. The dead space being provided to accommodate expansion of the gas in the event of atmospheric and temperature changes. The dead space is within a range of 9% to 9.5% of the combined volume of the bag. The selected volume of air is sufficient such that complete drainage of an ink supply line to the printhead is allowed.

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San Ramon, CA, United States of America

Charles J Sabonis