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Ink reservoir

  • US 4,610,202 A
  • Filed: 12/20/1984
  • Issued: 09/09/1986
  • Est. Priority Date: 12/26/1983
  • Status: Expired due to Term
First Claim
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1. An ink reservoir for storing ink to be supplied to a print head, said ink reservoir comprising:

  • a tank for storing ink to be supplied to the print head;

    an ink level measurement area in said tank; and

    a sensor for detecting the ink level of the ink stored in said tank, said sensor being arranged outside of said ink level measurement area said tank has a top surface, and wherein a portion of said top surface of said tank has a recess defined therein and a projection is defined rising from said recess, said projection defining said ink level measurement area, and said tank has a bottom and wherein said ink level measurement area becomes wider toward said bottom of said tank.

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