| US 7,484,838 B2 | ||
| Liquid storage container, and liquid discharge recording apparatus using the container | ||
| Norio Tsurui, Kanagawa (Japan); Hajime Yamamoto, Tokyo (Japan); and Nobuyuki Hatasa, Kanagawa (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Mar. 07, 2006, as Appl. No. 11/368,593. | ||
| Application 11/368593 is a division of application No. 10/775094, filed on Feb. 11, 2004, granted, now 7,055,941. | ||
| Claims priority of application No. 2003-036093 (JP), filed on Feb. 14, 2003; and application No. 2003-146064 (JP), filed on May 23, 2003. | ||
| Prior Publication US 2006/0146107 A1, Jul. 06, 2006 | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—86 [347/85] | 3 Claims |
| 1. A liquid storage container comprising a liquid storage part for storing a liquid, a connection part for taking out the
liquid, wherein said connection part is provided in a bottom part of the liquid storage part, and a pipe provided in the liquid
storage part so as to cover an opening of the connection part on a side of the liquid storage part,
wherein a plurality of liquid inlet holes are formed in the pipe, each inlet hole communicating with the liquid storage part
at a plurality of positions in the vertical direction thereof, the number of holes and the hole pitch being set according
to a precipitation degree of the liquid, and
wherein a plurality of the liquid inlet holes have diameters that differ from each other and are set according to an inside
tube path friction of the pipe, pressure loss, and hole height, and
wherein the hole diameters of the plurality of the liquid inlet holes of the pipe are set such that the liquid inlet whole
amount into a pipe becomes substantially equal.
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