Pressure-sensitive accumulator for ink-jet pens

Details Pressure-sensitive accumulator for ink-jet pens Pressure-sensitive accumulator for ink-jet pens

B - Operations, Transporting

41

J

26/200, 101/96.0

B41J 2/175 (2006.01)

Patent

CA 2019290

PRESSURE-SENSITIVE ACCUMULATOR FOR INK-JET PENS Abstract of the Disclosure The accumulator (20) regulates changes in the back pressure of an ink-jet pen (22) reservoir (24) so that ink does not leak from the pen print head (36) and so that the print head (36) is able to completely empty the reservoir (24) of ink. The accumulator (20) includes a flexible bag (42) that is mounted to a flat curved spring (44). The elasticity of the spring (44) tends to contract the bag (42) as the bag (42) expands in response to back pressure reduction in the reservoir (24).

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