Patent ID: 9393802
Filing Date: 2016-07-19
CPC Classification: B41J

Claim Text:
1. A liquid storage container, comprising: a main liquid chamber that holds liquid; a float member in the liquid in the main liquid chamber; a liquid channel configured to flow liquid out of the main liquid chamber through a channel opening on a lower portion of the main liquid chamber, said liquid channel providing a liquid flow path from the channel opening to a liquid expelling opening; and a valve along the liquid channel, said valve being actuatable from within the main liquid chamber and being responsive to the float member to selectively shut off or open the flow of liquid along the liquid flow path between the channel opening and the liquid expelling opening in accordance with a float level of the float member; wherein: said liquid is ink; the float member moves in a first direction in accordance with increasing liquid in said main liquid chamber and moves in a second direction in accordance with decreasing liquid in said main liquid chamber; and said valve is actuated to shut off the flow of liquid along the liquid flow path in response to the float member moving in the second direction to a location indicative of a predefined reduced liquid content level in said main liquid chamber.