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US5266998A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrophotography processor having detachable electrophotographic components

Assignee: Samsung Electronics Co Ltd
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Filing: 1991-10-03
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Granted: 1993-11-30
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Expires: 2011-10-03
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Abstract

Abstract An electrophotography processor has detachable electrophotographic component parts representing by main body frame, a developing device, a toner box, and a light-sensitive drum unit including a light-sensitive drum, cleaning device and charging device integrated in a unit, wherein the developing device and light-sensitive drum unit is detachably mounted in the main body frame, and the toner box is detachably mounted on the developing device.

Inventors

  • 👤 Dong-Ho Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:28
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/16; G03G21/18; G03G21/1803; G03G21/1817; G03G21/1821; G03G21/1661; G03G21/1828; G03G21/1832; G03G2221/00; G03G2221/16; G03G2221/163; G03G2221/18; G03G2221/183; G03G2221/1846; G03G2221/1853

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 203 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 2
Dependent Claim 203 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 3
Dependent Claim 263 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said first elongated opening and said corresponding elongated opening being connected together when installing said toner unit within said rectangular basin of said developer body, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 4
Dependent Claim 263 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said first elongated opening and said corresponding elongated opening being connected together when installing said toner unit within said rectangular basin of said developer body, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 5
Dependent Claim 287 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said toner unit comprising a shutter biased by a spring so as to close said first elongated opening and a projection formed on the lower side of said corresponding elongated opening, said shutter being pressed opened by said projection when said toner unit is inserted into said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 6
Dependent Claim 287 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said toner unit comprising a shutter biased by a spring so as to close said first elongated opening and a projection formed on the lower side of said corresponding elongated opening, said shutter being pressed opened by said projection when said toner unit is inserted into said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 7
Dependent Claim 270 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said toner unit comprising a shutter adaptable to control said corresponding elongated opening, and a rotatable knob provided at a central axis of said toner unit to open and close said shutter, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 8
Dependent Claim 270 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, said rectangular basin having a first elongated opening formed in a side wall of said rectangular basin facing toward said drum section, said toner unit having a corresponding elongated opening formed in a side wall, said toner unit comprising a shutter adaptable to control said corresponding elongated opening, and a rotatable knob provided at a central axis of said toner unit to open and close said shutter, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 9
Dependent Claim 226 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame; and a handle mountable onto said pair of hinge pins of said developer body for disassembling said developer body from said main body frame.
Claim 10
Dependent Claim 226 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame; and a handle mountable onto said pair of hinge pins of said developer body for disassembling said developer body from said main body frame.
Claim 11
Dependent Claim 220 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit and said drum section having a plurality of apertures for providing directional airflow within said developer body, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 12
Dependent Claim 220 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit and said drum section having a plurality of apertures for providing directional airflow within said developer body, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 13
Dependent Claim 230 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit and said drum section having an elongate opening formed in a side wall facing toward said rectangular basin for enabling production of images onto said printable medium, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.
Claim 14
Dependent Claim 230 words
An electrophotography processor, comprising: a main body frame having two oppositely positioned and spaced apart supporting walls, each of said supporting walls having first and second pairs of guide grooves; a developer body detachedly positionable within said main body frame having a toner supply section and a drum section being separated by a cross-sectional area, said developer body having a pair of hinge pins respectively mountable on both sides of said developer body coaxially with said first pair of guide grooves of said main body frame, said toner supply section having a rectangular basin adaptable to receive a toner unit within said rectangular basin, and said drum section having a pair of guide grooves adaptable to receive a light-sensitive drum unit and said drum section having an elongate opening formed in a side wall facing toward said rectangular basin for enabling production of images onto said printable medium, wherein said toner unit is detachable from said rectangular basin of said toner supply section and said light-sensitive drum unit is detachable from said drum section; and said light-sensitive drum unit comprising a light-sensitive drum, a cleaning device and a charging device for developing images onto a printable medium, said light-sensitive drum unit having a pair of hinge pins respectively mountable on opposite sides of said light-sensitive drum unit co-axially with said second pair of guide grooves of said main body frame.

References Cited (Backward Citations)

US3985436A Cited
US4206682A Cited
US4435065A Cited
US4740808A Cited
US4625895A Cited
JPS63220285A Cited
JPS63220286A Cited
US5051778A Cited
US4937628A Cited
US5105221A Cited
US5078303A Cited
US5204713A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-11-29 1997-05-31 1997-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-11-29 2001-05-31 2001-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-11-29 2005-05-31 2005-11-30 $7700.00 Window Closed / Lapsed

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