Patent EP0370484A2 successfully refreshed from Google Patents.
EP0370484A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Sheet feeding apparatus
Assignee: Canon Inc
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Filing: 1989-11-21
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Granted: —
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Expires: 2009-11-21
Abstract
Abstract The present invention provides a sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet, a first sheet supply means for feeding out the sheet from the first sheet accommodating means positioned in the sheet supply position, a feeding means for feeding the sheet fed out by the first sheet supply means, a second sheet accommodating means for accommodating sheets, a second sheet supply means for feeding out the sheet from the second sheet accommodating means, a guide means movable between a first position intersecting a moving path of the first sheet accommodating means and where guiding the sheet fed out by the second sheet supply means to the feeding means and a second position where not guiding the sheet, a detecting means for detecting the passage of the sheet through the guide means and for emitting a detection signal, and an inhibiting means for inhibiting the movement of the first sheet accommodating means in response to the detection signal from the detecting means.
Inventors
- 👤 Teruo Komatsu
- 👤 Yasuyoshi Hayakawa
- 👤 Hironobu Isobe
- 👤 Atsushi Kubota
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 05:52
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/26; B65H1/266; B65H1/04; B65H7/00; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502; G03G15/6508; B65H2511/00; B65H2511/50; B65H2511/51; B65H2513/00; B65H2513/40; B65H2513/50; B65H2513/512; B65H2551/00; B65H2551/20; G03G2215/00; G03G2215/00362; G03G2215/00367; G03G2215/00379; G03G2215/00383; G03G2215/00535; G03G2215/0054; G03G2215/00544; G03G2215/00556; G03G2215/00687; G03G2215/00713; G03G2215/00717; G03G2215/00784
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
173 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means, and a second position where not guiding the sheet; a detecting means for detecting the passage of the sheet through said guide means and for emitting a detection signal; and an inhibiting means for inhibiting the movement of said first sheet accommodating means in response to the detection signal from said detecting means.
Claim 2
Dependent Claim
173 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means, and a second position where not guiding the sheet; a detecting means for detecting the passage of the sheet through said guide means and for emitting a detection signal; and an inhibiting means for inhibiting the movement of said first sheet accommodating means in response to the detection signal from said detecting means.
Claim 3
Dependent Claim
26 words
A sheet feeding apparatus according to claim 1, wherein said detecting means emits the detection signal in response to activation of said second sheet supply means.
Claim 4
Dependent Claim
26 words
A sheet feeding apparatus according to claim 1, wherein said inhibiting means includes a preventing member for preventing the movement of said first sheet accommodating means.
Claim 5
Dependent Claim
29 words
A sheet feeding apparatus according to claim 1, wherein said inhibiting means includes a display portion for indicating the inhibitation of the movement of said first sheet accommodating means.
Claim 6
Dependent Claim
26 words
A sheet feeding apparatus according to claim 1, further including a support means for supporting said guide means for movement between said first and second positions.
Claim 7
Dependent Claim
21 words
A sheet feeding apparatus according to claim 1, wherein said guide means is formed integrally with said first sheet accommodating means.
Claim 8
Dependent Claim
30 words
A sheet feeding apparatus according to claim 1, wherein said detecting means emits a signal on the basis of a sheet feeding command signal for said second sheet supply means.
Claim 9
Dependent Claim
161 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet; and a signal generating means for detecting the presence of said guide means in said second position and for emitting a signal indicating an unfeedable condition of said second sheet supply means.
Claim 10
Dependent Claim
161 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet; and a signal generating means for detecting the presence of said guide means in said second position and for emitting a signal indicating an unfeedable condition of said second sheet supply means.
Claim 11
Dependent Claim
26 words
A sheet feeding apparatus according to claim 8, further including a support means for supporting said guide means for movement between said first and second positions.
Claim 12
Dependent Claim
21 words
A sheet feeding apparatus according to claim 8, wherein said guide means is formed integrally with said first sheet accommodating means.
Claim 13
Dependent Claim
36 words
A sheet feeding apparatus according to claim 8, further including a display means for indicating the unfeedable condition of said second sheet supply means on the basis of the signal emitted from said signal generating means.
Claim 14
Dependent Claim
130 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; and a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet.
Claim 15
Dependent Claim
130 words
A sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; a second sheet accommodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; and a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet.
Claim 16
Dependent Claim
16 words
A sheet feeding apparatus according to claim 12, wherein said guide means includes a guide member.
Claim 17
Dependent Claim
15 words
A sheet feeding apparatus according to claim 13, wherein said guide member is pivotably mounted.
Claim 18
Dependent Claim
19 words
A sheet feeding apparatus according to claim 13, wherein said guide member is attached to said sheet accommodating means.
Claim 19
Dependent Claim
35 words
A sheet feeding apparatus according to claim 12, further including a second guide means for guiding the sheet in place of said first- mentioned guide means when the latter is positioned in said second position.
Claim 20
Dependent Claim
180 words
An image forming system comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; an image forming means for forming an image on the sheet fed by said sheet feeding means; a second sheet accomnodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet; a detecting means for detecting the passage of the sheet through said guide means; and a signal generating means for emitting a signal in response to the detection by means of said detecting means.
Claim 21
Dependent Claim
180 words
An image forming system comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet; a first sheet supply means for feeding out the sheet from said first sheet accommodating means positioned in said sheet supply position; a feeding means for feeding the sheet fed out by said first sheet supply means; an image forming means for forming an image on the sheet fed by said sheet feeding means; a second sheet accomnodating means for accommodating sheets; a second sheet supply means for feeding out the sheet from said second sheet accommodating means; a guide means movable between a first position intersecting a moving path of said first sheet accommodating means and where guiding the sheet fed out by said second sheet supply means to said feeding means and a second position where not guiding the sheet; a detecting means for detecting the passage of the sheet through said guide means; and a signal generating means for emitting a signal in response to the detection by means of said detecting means.
References Cited (Backward Citations)
No citation records indexed.
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