Sheet pickup apparatus and image forming apparatus having the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9254974
APP PUB NO 20150321862A1
SERIAL NO

14529437

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sheet pickup apparatus and image forming apparatus are provided. The sheet pickup apparatus includes a roller support member rotatably disposed in a sheet feeding unit and comprising roller support portions connected by a hinge, a driving shaft rotatably disposed in an end of the roller support member to transmit rotational force to the roller support member, a pickup roller rotatably disposed in another end of the roller support member, a damper member disposed to absorb impact force by limiting rotation of the roller support member, and a power transmitting member disposed in the roller support member to transmit the rotational force to the pickup roller.

First Claim

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

International Classification(s)

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  • 2014 Application Filing Year
  • B65H Class
  • 1287 Applications Filed
  • 1166 Patents Issued To-Date
  • 90.60 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Song, Min-keun Suwon-si, KR 2 11

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Patent Citation Ranking

  • 2 Citation Count
  • B65H Class
  • 21.40 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2768929018821301 - 1011 - 2021 - 3031 - 4041 - 5091 - 100100 +050100150200250300350400450500550600650700750800850900950

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 9, 2027