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EP0285139A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

An image forming apparatus

Assignee: Canon Inc
•
Filing: 1988-03-30
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Granted: —
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Expires: 2008-03-30
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Abstract

Abstract An image forming apparatus includes a main assembly including image forming station, conveying unit for conveying a recording material on which the image forming station forms an image, the conveying unit including a recording material inlet, recording material feeding device and a recording material discharging outlet, and being supported on the main assembly for movement toward and away from the main assembly, wherein the image forming station is at least partly disposed adjacent the conveying unit and is exposed when the conveying unit is moved away from the main assembly, wherein the conveying unit, when mounted to the main assembly, constitutes a passage for conveying the recording material substantially in a vertical direction through the image forming station, and wherein the conveying unit is separable substantially along the conveying passage from the main assembly.

Inventors

  • 👤 Yutaka Kikuchi
  • 👤 Masanobu Kanoto

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 06:15
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/16; G03G21/18; G03G21/1839; G03G21/1842; G03G21/1853; G03G15/00; G03G15/14; G03G15/16; G03G15/1665; G03G15/167; G03G15/65; G03G21/1604; G03G21/1623; G03G21/1638; G03G21/1661; G03G21/1695; G03G2215/00; G03G2215/00362; G03G2215/00367; G03G2215/00371; G03G2215/00379; G03G2215/00392; G03G2215/00417; G03G2215/00421; G03G2215/00535; G03G2215/00544; G03G2221/00; G03G2221/16; G03G2221/1636; G03G2221/1651; G03G2221/1654; G03G2221/1657; G03G2221/1672; G03G2221/1675; G03G2221/1678; G03G2221/1687; G03G2221/18

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 135 words
An image forming apparatus, comprising: a main assembly including image forming means; conveying unit for conveying a recording material on which said image forming means forms an image, said conveying unit including a recording material inlet, recording material feeding means and a recording material discharging outlet, and being supported on the main assembly for swinging movement toward and away from the main assembly; wherein said image forming means is at least partly disposed adjacent said conveying unit and is exposed when said conveying unit is moved away from said main assembly; wherein said conveying unit, when mounted to said main assembly, constitutes a passage for conveying the recording material substantially in a vertical direction through said image forming means; and wherein said conveying unit is separable substantially along the conveying passage from said main assembly.
Claim 2
Dependent Claim 135 words
An image forming apparatus, comprising: a main assembly including image forming means; conveying unit for conveying a recording material on which said image forming means forms an image, said conveying unit including a recording material inlet, recording material feeding means and a recording material discharging outlet, and being supported on the main assembly for swinging movement toward and away from the main assembly; wherein said image forming means is at least partly disposed adjacent said conveying unit and is exposed when said conveying unit is moved away from said main assembly; wherein said conveying unit, when mounted to said main assembly, constitutes a passage for conveying the recording material substantially in a vertical direction through said image forming means; and wherein said conveying unit is separable substantially along the conveying passage from said main assembly.
Claim 3
Dependent Claim 26 words
An apparatus according to Claim 1, wherein said recording material inlet is provided with separating and feeding means including a feeding roller and a friction pad.
Claim 4
Dependent Claim 19 words
An apparatus according to Claim 2, further comprising a recording material inlet in addition to said recording material inlet.
Claim 5
Dependent Claim 41 words
An apparatus according to Claim 1, wherein said recording material inlet is disposed at a lower position, and said recording material outlet is disposed at an upper position, and wherein said conveying unit is rotatable downwardly away from said main assembly.
Claim 6
Dependent Claim 53 words
An apparatus according to Claim 4, wherein said recording material inlet is provided with a recording material stacking tray extending in a direction crossing with an extending direction of said conveying passage, and wherein said recording material discharge outlet is provided with a discharge tray which extends substantially parallel with said stacking tray.
Claim 7
Dependent Claim 26 words
An apparatus according to Claim 1, wherein said conveying unit, when separated from the main assembly, is so disposed that the conveyance passage is substantially horizontal.
Claim 8
Dependent Claim 167 words
An image forming apparatus, comprising: a main assembly including image forming means which is detachably mountable thereinto; conveying unit for conveying a recording material on which said image forming means forms an image, said conveying unit including a recording material inlet, recording material feeding means and a recording material discharging outlet, and being supported on the main assembly for movement toward and away from the main assembly; wherein said image forming means is at least partly disposed adjacent said conveying unit and is exposed when said conveying unit is moved away from said main assembly; wherein said conveying unit, when mounted to said main assembly, constitutes a passage for conveying the recording material substantially in a vertical direction through said image forming means; and wherein said conveying unit is separable substantially along the conveying passage from said main assembly; and means for guiding said image forming means for mounting it into on dismounting it from said main assembly in a direction of movement of said conveying unit.
Claim 9
Dependent Claim 167 words
An image forming apparatus, comprising: a main assembly including image forming means which is detachably mountable thereinto; conveying unit for conveying a recording material on which said image forming means forms an image, said conveying unit including a recording material inlet, recording material feeding means and a recording material discharging outlet, and being supported on the main assembly for movement toward and away from the main assembly; wherein said image forming means is at least partly disposed adjacent said conveying unit and is exposed when said conveying unit is moved away from said main assembly; wherein said conveying unit, when mounted to said main assembly, constitutes a passage for conveying the recording material substantially in a vertical direction through said image forming means; and wherein said conveying unit is separable substantially along the conveying passage from said main assembly; and means for guiding said image forming means for mounting it into on dismounting it from said main assembly in a direction of movement of said conveying unit.
Claim 10
Dependent Claim 17 words
An apparatus according to Claim 7, wherein said conveying unit is pivotably supported on said main assembly.
Claim 11
Dependent Claim 17 words
An apparatus according to Claim 7, wherein said conveying unit is slidably supported to said main assembly.
Claim 12
Dependent Claim 16 words
An apparatus according to Claim 7, wherein said image forming means is constructed as a unit.
Claim 13
Dependent Claim 26 words
An apparatus according to Claim 7, wherein said recording material inlet is provided with separating and feeding means including a feeding roller and a friction pad.
Claim 14
Dependent Claim 19 words
An apparatus according to Claim 11, further comprising a recording material inlet in addition to said recording material inlet.
Claim 15
Dependent Claim 41 words
An apparatus according to Claim 7, wherein said recording material inlet is disposed at a lower position, and said recording material outlet is disposed at an upper position, and wherein said conveying unit is rotatable downwardly away from said main assembly.
Claim 16
Dependent Claim 53 words
An apparatus according to Claim 13, wherein said recording material inlet is provided with a recording material stacking tray extending in a direction crossing with an extending direction of said conveying passage, and wherein said recording material discharge outlet is provided with a discharge tray which extends substantially parallel with said stacking tray.
Claim 17
Dependent Claim 26 words
An apparatus according to Claim 7, wherein said conveying unit, when separated from the main assembly, is so disposed that the conveyance passage is substantially horizontal.
Claim 18
Dependent Claim 14 words
An apparatus according to Claim 15, wherein said guiding means extend inclinedly and upwardly.

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