Claims
- 1. An image forming apparatus comprising:
- image forming means for forming an image on a recording material;
- fixing means for fixing the image formed on the recording material;
- recording-material carrying means for carrying a recording material from said image forming means to said fixing means; and
- air blowing means for generating a wind pressure in a direction pressing said recording material against said recording-material carrying means, wherein the recording material is being carried between said recording-material carrying means and said air blowing means.
- 2. An image forming apparatus according to claim 1, wherein said air blowing means includes a plurality of air flow generating devices arranged in a direction crossing a carrying direction of the recording material.
- 3. An image forming apparatus according to claim 2, wherein said recording-material carrying means carries recording materials along a path, wherein the recording materials have widths ranging from narrowest width to a widest width, and each of the air flow generating devices is present above at least a part of the path of a recording material having the narrowest width.
- 4. An image forming apparatus according to claim 3, further comprising:
- control means for controlling operation of said air blowing means; and
- a separating device for separating the recording material from said image forming means, wherein said control means activates said air blowing means in synchronization with operation of the separating device.
- 5. An image forming apparatus according to claim 2, further comprising:
- control means for controlling operation of said air blowing means; and
- a separating device for separating the recording material from said image forming means, wherein said control means activates said air blowing means in synchronization with operation of the separating device.
- 6. An image forming apparatus according to claim 1, further comprising control means for controlling operation of said air blowing means, wherein said image forming means forms an image on first and second surfaces of the recording material and said control means activates said air blowing means only during a process for forming an image on the second surface of the recording material.
- 7. An image forming apparatus according to claim 6, further comprising a separating device for separating the recording material from said image forming means, wherein said control means activates said air blowing means in synchronization with operation of the separation device.
- 8. An image forming apparatus according to claim 1, further comprising;
- control means for controlling operation of said air blowing means; and
- a separating device for separating the recording material from said image forming means, wherein said control means activates said air blowing means in synchronization with operation of the separating device.
- 9. An image forming apparatus according to claim 1, wherein said air blowing means generates an air flow by rotation.
- 10. An image forming apparatus according to claim 9, wherein said air blowing means is an air fan.
- 11. A sheet carrying apparatus comprising:
- carrying means for carrying the sheet, one surface of the sheet being in contact with said carrying means while the sheet is being carried; and
- air blowing means for generating an air flow that strikes the non-contacting surface of the sheet and presses the sheet against said carrying means.
- 12. A sheet carrying apparatus according to claim 11, further comprising supporting means for moveably supporting said air blowing means, wherein said supporting means moveably supports said air blowing means for motion in a direction crossing the sheet carrying direction.
- 13. A sheet carrying apparatus according to claim 12, further including moving means for moving said air blowing means.
- 14. A sheet carrying apparatus according to claim 11, further comprising supporting means for moveably supporting said air blowing means, wherein said supporting means moveably supports said air blowing means for motion in a direction changing a distance between said air blowing means and said carrying means.
- 15. A sheet carrying apparatus according to claim 13, further including moving means for moving said air blowing means.
- 16. A sheet carrying apparatus according to claim 11, wherein said carrying means includes a rotating element that rotates while maintaining contact with a sheet.
- 17. A sheet carrying apparatus according to claim 16, wherein said rotating element includes a carrying belt.
- 18. A carrying apparatus according to claim 11, further including wind pressure adjustment means for varying the wind pressured applied to a sheet by said air blowing means.
- 19. A sheet carrying apparatus comprising:
- carrying means for carrying the sheet, one surface of the sheet being in contact with said carrying means while the sheet is being carried;
- air blowing means for generating an air flow that strikes the non-contacting surface of the sheet and presses the sheet against said carrying means;
- supporting means for movably supporting said air blowing means; and
- moving means for moving said air blowing means, wherein said air blowing means includes a plurality of flow generating devices, and said moving means moves said plurality of air flow generating devices while maintaining symmetry in position of said plurality of air flow generating devices about a center line along the sheet carrying direction.
- 20. A sheet carrying apparatus according to claim 19, wherein said moving means moves the plurality of air flow generating devices to the positions in correspondence to the size of the sheet.
- 21. A sheet carrying apparatus according to claim 20, wherein the sheet has a width, the plurality of air flow generating devices is a pair, and said moving means varies the distance between said pair in accordance with the width of the sheet.
- 22. A sheet carrying apparatus according to claim 21, wherein said carrying means carries sheets of at least either a first width and a second width, and said moving means adjusts the distance between said pair of air flow generating devices to a first distance when the sheet has the first width, and to a second distance when the sheet has the second width, the first distance being different from the first length and the second distance being different from the second length.
- 23. A sheet carrying apparatus according to claim 21, wherein said moving means varies the distance between the pair of air flow generating devices such that the greater the width of the sheet the greater the distance.
- 24. A sheet carrying apparatus according to claim 21, further comprising detection means for detecting the width of a sheet, wherein said moving means moves the pair of air flow generating devices according to the width detected by said detecting means.
- 25. An image forming apparatus comprising:
- image forming means for forming an image on a recording material;
- fixing means for fixing the image formed on a said recording material;
- recording-material carrying means for carrying a recording material between said image forming means and said fixing means, one surface of the recording material being in contact with said recording material carrying means while the recording material is being carried; and
- air blowing means for generating an air flow that strikes the non-contacting surface of the recording material and thereby presses the recording material against said recording-material carrying means.
- 26. An image forming apparatus comprising:
- image forming means for forming an image on a sheet;
- fixing means for fixing the image formed on the sheet;
- first carrying means for carrying a sheet from said image forming means to said fixing means;
- air blowing means for generating a wind pressure in a direction pressing said sheet against said first carrying means, wherein the sheet is being carried between said first carrying means and said air blowing means; and
- second carrying means for carrying said sheet on which the image is fixed by said fixing means, to said image forming means to form another image on said sheet.
- 27. An image forming means according to claim 26, wherein one surface of the sheet is in contact with said first carrying means while the sheet is being carried.
- 28. An image forming means according to claim 27, wherein an air flow generated by said air blowing means strikes the non-contact surface of the sheet and presses the sheet against said carrying means.
- 29. An image forming means according to claim 26, further comprising control means for controlling operation of said blowing means so that said air blowing means activates only during a process for carrying the sheet by said first carrying means after said image forming means forms plural images on the sheet, said image forming means comprising;
- a photosensitive drum;
- latent image forming means for forming an electrostatic latent image on said photosensitive drum;
- developing means for developing the electrostatic latent image on said photosensitive drum into a visible image using a plurality of toner colors; and
- transfer means for transferring the toner image on said photosensitive drum onto a sheet.
- 30. An image forming apparatus comprising:
- image forming means for forming an image on a sheet;
- fixing means for fixing the image formed on the sheet;
- first carrying means for carrying a sheet from said image forming means to said fixing means;
- air blowing means for generating a wind pressure in a direction pressing said sheet against said first carrying means, wherein the sheet is being carried between said first carrying means and said air blowing means; and
- second carrying means for carrying said sheet on which the image is fixed by said fixing means, to said image forming means to form another image on said sheet.
- 31. An image forming apparatus according to claim 30, wherein one surface of the sheet is in contact with said first carrying means while the sheet is being carried.
- 32. An image forming apparatus according to claim 31, wherein an air flow generated by said air blowing means strikes the non-contact surface of the sheet and presses the sheet against said carrying means.
- 33. An image forming apparatus according to claim 30, further comprising control means for controlling operation of said blowing means so that said air blowing means activates only during a process for carrying the sheet by said first carrying means after said image forming means forms plural images on the sheet.
Priority Claims (1)
Number |
Date |
Country |
Kind |
6-022168 |
Jan 1994 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 08/374,100, filed Jan. 18, 1995, now abandoned.
US Referenced Citations (8)
Continuations (1)
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Number |
Date |
Country |
Parent |
374100 |
Jan 1995 |
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