Developer unit for an image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9207579
APP PUB NO 20140348549A1
SERIAL NO

14456758

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A developer unit for an image forming apparatus is provided. The developer unit includes a developer device with a developer agent carrier and a developer agent supplier, and a developer agent container, which contains the developer agent and is arranged in a lower position with respect to the developer device. The developer agent container is formed to have a fitting wall, which is curved inward at a position to be adjacent to the developer device. The fitting wall is formed to have a feeding opening and a collecting opening. The developer unit is further provided with a first conveyer, which is rotated about a rotation axis to sweep an inner surface of the developer agent container and convey the developer agent toward the feeding opening, and a second conveyer, which is arranged along the developer agent supplier and conveys the developer agent toward the collecting opening.

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First Claim

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Family

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Patent Owner(s)

  • BROTHER KOGYO KABUSHIKI KAISHA

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sato, Shougo Seto, JP 757 6340

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 8, 2027
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00