US5573233A
Expired / Lapsed
US
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Sheet post-processing apparatus with malfunction operation
Assignee: Canon Inc
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Filing: 1995-05-09
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Granted: 1996-11-12
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Expires: 2015-05-09
Abstract
Abstract A sheet post processing apparatus includes a plurality of movable a post-processing device for effecting a predetermined post-processing for a set of sheets; malfunction detector for detecting malfunction for each of the post-processing device; a controller, responsive to the malfunction detector, for controlling the post-processing device to place, at a position where the post-processing device is to be placed if the malfunction did not occur, another one of the post-processing device free of the malfunction.
Inventors
- 👤 Katsuaki Hirai
- 👤 Yoshifumi Takehara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:19
CPC Classifications
B; B65; B65H; B65H37/00; B65H37/04; B42; B42C; B42C1/00; B42C1/12; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6538; G03G15/6541; G03G15/6544; B65H2403/00; B65H2403/50; B65H2403/51; B65H2403/511; B65H2408/00; B65H2408/10; B65H2408/11; B65H2408/113; B65H2408/114; B65H2408/1141; B65H2511/00; B65H2511/50; B65H2511/52; B65H2551/00; B65H2551/20; B65H2701/00; B65H2701/10; B65H2701/18; B65H2701/182; B65H2701/1829; B65H2701/18292; G03G2215/00; G03G2215/00362; G03G2215/00789; G03G2215/00822; G03G2215/00827
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
76 words
A sheet post processing apparatus comprising: a plurality of movable post-processing means for effecting a predetermined post-processing for a set of sheets; malfunction detecting means for detecting malfunction for each of said post-processing means; control means, responsive to said malfunction detecting means, for controlling said post-processing means to place, at a position where said post-processing means is to be placed if the malfunction did not occur, another one of said post-processing means free of the malfunction.
Claim 2
Dependent Claim
76 words
A sheet post processing apparatus comprising: a plurality of movable post-processing means for effecting a predetermined post-processing for a set of sheets; malfunction detecting means for detecting malfunction for each of said post-processing means; control means, responsive to said malfunction detecting means, for controlling said post-processing means to place, at a position where said post-processing means is to be placed if the malfunction did not occur, another one of said post-processing means free of the malfunction.
Claim 3
Dependent Claim
31 words
An apparatus according to claim 1, wherein said post-processing means includes a stapler for stapling the set of sheets, and said malfunction detecting means detects out-of-staple and staple as said malfunction.
Claim 4
Dependent Claim
81 words
An apparatus according to claim 1, further comprising common malfunction displaying means for displaying the malfunction detected by said detecting means, malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means, and a second control means for operating said malfunction displaying means and said malfunction post-processing means displaying means, wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
Claim 5
Dependent Claim
47 words
An apparatus according to claim 3, wherein said malfunction displaying means is disposed at such a position as to be seen from the outside, and said malfunction post-processing means displaying means is disposed at such a position as to permit observation of said post-processing means inside thereof.
Claim 6
Dependent Claim
37 words
An apparatus according to claim 1, wherein two of such post-processing means are provided integrally with each other with a predetermined interval therebetween, and they are movable along a lateral edges of the sheet in the set.
Claim 7
Dependent Claim
33 words
An apparatus according to claim 1, further comprising sheet stacking means for stacking the sheets, wherein said post-processing means is movable in a direction substantially perpendicular to a discharge direction of the sheets.
Claim 8
Dependent Claim
97 words
An image forming apparatus comprising: image forming means; sheet stacking means for stacking sheets after formation of images by said image forming means; a plurality of movable post-processing means for effecting a predetermined post-processing for the sheets stacked on said sheet stacking means; malfunction detecting means for detecting malfunction for each of said post-processing means; control means, responsive to said malfunction detecting means, for controlling said post-processing means to place, at a position where said post-processing means is to be placed if the malfunction did not occur, another one of said post-processing means free of the malfunction.
Claim 9
Dependent Claim
97 words
An image forming apparatus comprising: image forming means; sheet stacking means for stacking sheets after formation of images by said image forming means; a plurality of movable post-processing means for effecting a predetermined post-processing for the sheets stacked on said sheet stacking means; malfunction detecting means for detecting malfunction for each of said post-processing means; control means, responsive to said malfunction detecting means, for controlling said post-processing means to place, at a position where said post-processing means is to be placed if the malfunction did not occur, another one of said post-processing means free of the malfunction.
Claim 10
Dependent Claim
32 words
An apparatus according to claim 7, wherein said post-processing means includes a staple for stapling the set of sheets, and said malfunction detecting means detects out-of-staple and staple jam, as said malfunction.
Claim 11
Dependent Claim
81 words
An apparatus according to claim 7, further comprising common malfunction displaying means for displaying the malfunction detected by said detecting means, malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means, and a second control means for operating said malfunction displaying means and said malfunction post-processing means displaying means, wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
Claim 12
Dependent Claim
104 words
A sheet post-processing apparatus comprising: a plurality of movable post-processing means for effecting a predetermined post-processing for a set of sheets; malfunction detecting means for detecting malfunction for each of said post-processing means; common malfunction display means for displaying the malfunction detected by said detecting means; malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means; and control means for operating said malfunction displaying means and said malfunction post-processing means displaying means; wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
Claim 13
Dependent Claim
104 words
A sheet post-processing apparatus comprising: a plurality of movable post-processing means for effecting a predetermined post-processing for a set of sheets; malfunction detecting means for detecting malfunction for each of said post-processing means; common malfunction display means for displaying the malfunction detected by said detecting means; malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means; and control means for operating said malfunction displaying means and said malfunction post-processing means displaying means; wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
Claim 14
Dependent Claim
126 words
An image forming means comprising: image forming means; sheet stacking means for stacking sheets after formation of images by said image forming means; a plurality of movable post-processing means for effecting a predetermined post-processing for the sheets stacked on said sheet stacking means; malfunction detecting means for detecting malfunction for each of said post-processing means; common malfunction displaying means for displaying the malfunction detected by said detecting means; malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means; and control means for operating said malfunction displaying means and said malfunction post-processing means displaying means; wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
Claim 15
Dependent Claim
126 words
An image forming means comprising: image forming means; sheet stacking means for stacking sheets after formation of images by said image forming means; a plurality of movable post-processing means for effecting a predetermined post-processing for the sheets stacked on said sheet stacking means; malfunction detecting means for detecting malfunction for each of said post-processing means; common malfunction displaying means for displaying the malfunction detected by said detecting means; malfunction post-processing means displaying means for individually displaying the malfunction post-processing means detected by said detecting means; and control means for operating said malfunction displaying means and said malfunction post-processing means displaying means; wherein said malfunction displaying means is provided outside a main assembly of said apparatus, and malfunction post-processing means displaying means is provided in said apparatus.
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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) | 1999-11-12 | 2000-05-13 | 2000-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-12 | 2004-05-13 | 2004-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-12 | 2008-05-13 | 2008-11-12 | $7700.00 | Window Closed / Lapsed |