Patent US5085422A successfully refreshed from Google Patents.
US5085422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image forming apparatus
Assignee: Canon Inc
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Filing: 1990-09-11
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Granted: 1992-02-04
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Expires: 2010-09-11
Abstract
Abstract An image forming apparatus includes a main body, a paper-feed unit, a paper-feed unit openably and closably supported by the main body of the apparatus, a tray openably and closably supported by the paper-feed unit so as to be swingable between a non-operating position wherein the tray is housed in the paper-feed unit in a generally vertical state and an operating position for mounting a sheet material wherein the tray is opened from the paper-feed unit and is positioned in a generally horizontal state, and a stopper provided in the main body of the apparatus for holding the tray at the operating position contacting the tray. The paper-feed unit can be opened and closed while the tray is held at the operating position.
Inventors
- 👤 Seiji Sagara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:55
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/26; B65H1/266; B65H1/04; B65H5/00; B65H5/06; B65H5/062; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502; G03G15/6514; G03G15/6552; B65H2801/00; B65H2801/03; B65H2801/06; B65H2801/21; G03G2215/00; G03G2215/00362; G03G2215/00367; G03G2215/00379; G03G2215/00392; G03G2215/00417; G03G2215/00421; G03G2215/00535; G03G2215/00544
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
127 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; and stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position.
Claim 2
Dependent Claim
127 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; and stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position.
Claim 3
Dependent Claim
35 words
An image forming apparatus according to claim 1, further comprising a conveying path for the sheet material, said conveying path positioned so as to be exposed when the paper-feed unit is in an opened position.
Claim 4
Dependent Claim
51 words
An image forming apparatus according to claim 2, wherein the paper-feed unit support means pivotally supports said paper-feed unit about a first shaft attached to a lower portion of the main body, and the tray is pivotally attached to a second shaft attached to a lower portion of the paper-feed unit.
Claim 5
Dependent Claim
18 words
An image forming apparatus according to claim 3, wherein the conveying path extends in a nearly vertical direction.
Claim 6
Dependent Claim
216 words
An image forming apparatus comprising: a main body; a paper-feed unit, paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position; and a conveying path for the sheet material, said conveying path extending in a nearly vertical direction and positioned so as to be exposed when the paper-feed unit is in an opened position, wherein the paper-feed unit support means pivotally supports said paper-feed unit about a first shaft attached to a lower portion of the main body, and the tray is pivotally attached to a second shaft attached to a lower portion of the paper-feed unit, wherein the second shaft and the first shaft are on substantially the same axis.
Claim 7
Dependent Claim
216 words
An image forming apparatus comprising: a main body; a paper-feed unit, paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position; and a conveying path for the sheet material, said conveying path extending in a nearly vertical direction and positioned so as to be exposed when the paper-feed unit is in an opened position, wherein the paper-feed unit support means pivotally supports said paper-feed unit about a first shaft attached to a lower portion of the main body, and the tray is pivotally attached to a second shaft attached to a lower portion of the paper-feed unit, wherein the second shaft and the first shaft are on substantially the same axis.
Claim 8
Dependent Claim
23 words
An image forming apparatus according to claim 5, wherein the tray is positioned below a paper discharge opening for receipt of discharging paper.
Claim 9
Dependent Claim
21 words
An image forming apparatus according to claim 5, wherein the tray is positioned below a paper intake opening for feeding paper.
Claim 10
Dependent Claim
28 words
An image forming apparatus according to claim 7, wherein the tray serves as an outer wall of the main body of the apparatus while in the non-operating position.
Claim 11
Dependent Claim
28 words
An image forming apparatus according to claim 6, wherein the tray serves as an outer wall of the main body of the apparatus while in the non-operating position.
Claim 12
Dependent Claim
185 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and spported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position; and a conveying path for the sheet material, said conveying path positioned so as to be exposed when the paper-feed unit is in an opened position, wherein the paper-feed unit support means pivotally supports said paper feed unit about a shaft attached to a lower portion of the main body, and the tray is pivotally attached to said shaft.
Claim 13
Dependent Claim
185 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and spported by said paper-feed unit, said tray mounted so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position wherein said tray is in a position for mounting a sheet material; stopper means provided in said main body of the image forming apparatus for holding said tray at the operating position, wherein said paper-feed unit support means positions the paper-feed unit in either the opened or the closed state while said tray is held at the operating position; and a conveying path for the sheet material, said conveying path positioned so as to be exposed when the paper-feed unit is in an opened position, wherein the paper-feed unit support means pivotally supports said paper feed unit about a shaft attached to a lower portion of the main body, and the tray is pivotally attached to said shaft.
Claim 14
Dependent Claim
99 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position for mounting a sheet material wherein said tray is opened; and stopper means provided in said main body of the apparatus for holding said tray at the operating position when the paper-feed unit is opened.
Claim 15
Dependent Claim
99 words
An image forming apparatus comprising: a main body; a paper-feed unit; paper-feed unit support means for openably and closably supporting said paper-feed unit by said main body; a tray attached to and supported by said paper-feed unit so as to be swingable between a non-operating position wherein said tray is housed in a generally vertical position in said paper-feed unit and an operating position for mounting a sheet material wherein said tray is opened; and stopper means provided in said main body of the apparatus for holding said tray at the operating position when the paper-feed unit is opened.
Claim 16
Dependent Claim
27 words
An image forming apparatus according to claim 11, wherein a conveying path for the sheet material is exposed when the paper-feed unit is in an opened position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-02-03 | 1995-08-05 | 1996-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-03 | 1999-08-05 | 2000-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-03 | 2003-08-05 | 2004-02-04 | $7700.00 | Window Closed / Lapsed |