FIXING DEVICE
To provide a fixing device that performs fixing processing on a toner image formed on a recording material at a fixing nip part formed between a cylindrical film and a roller, and allows stable rotation of the film.SOLUTION: A fixing device has a rotatably supported cylindrical fixing film, a guide...
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Format | Patent |
Language | English Japanese |
Published |
19.12.2022
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Abstract | To provide a fixing device that performs fixing processing on a toner image formed on a recording material at a fixing nip part formed between a cylindrical film and a roller, and allows stable rotation of the film.SOLUTION: A fixing device has a rotatably supported cylindrical fixing film, a guide 9 that guides rotation of the fixing film, a metal stay 10 that reinforces the guide 9, and a pressure roller that forms a fixing nip with the guide 9 with the fixing film therebetween. The guide 9 has a projection part S at a center part in a Y-axis direction and at a center part in an X-axis direction. The stay 10 has an opening H for supporting the guide 9. The projection part S of the guide 9 is inserted into the opening H of the stay 10. The guide 9 is provided rotatably with respect to the stay 10 with a Z-axis as the fulcrum. The fixing film slides to apply a force to the guide 9 and the guide 9 is rotated by the force received from the fixing film, thereby correcting the alignment with the stay 10.SELECTED DRAWING: Figure 3
【課題】筒状のフィルムとローラの間に形成した定着ニップ部で記録材に形成したトナー像を定着処理する定着装置において、フィルムが安定して回転する定着装置を提供する。【解決手段】定着装置は、回転可能に支持された筒状の定着フィルム、定着フィルムの回転をガイドするガイド9、ガイド9を補強する金属製のステイ10、定着フィルムを介してガイド9と共に定着ニップを形成する加圧ローラを有する。ガイド9は、Y軸方向における中央部かつX軸方向における中央部に突起部Sを有する。ステイ10は、ガイド9を支持するための開口部Hを有する。ガイド9の突起部Sがステイ10の開口部Hに挿入される。ガイド9が、Z軸を支点にして、ステイ10に対して回動可能に設けられており、定着フィルムが摺動することにより定着フィルムから受ける力でガイド9が回動し、ステイ10に対するアライメントが補正される。【選択図】図3 |
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AbstractList | To provide a fixing device that performs fixing processing on a toner image formed on a recording material at a fixing nip part formed between a cylindrical film and a roller, and allows stable rotation of the film.SOLUTION: A fixing device has a rotatably supported cylindrical fixing film, a guide 9 that guides rotation of the fixing film, a metal stay 10 that reinforces the guide 9, and a pressure roller that forms a fixing nip with the guide 9 with the fixing film therebetween. The guide 9 has a projection part S at a center part in a Y-axis direction and at a center part in an X-axis direction. The stay 10 has an opening H for supporting the guide 9. The projection part S of the guide 9 is inserted into the opening H of the stay 10. The guide 9 is provided rotatably with respect to the stay 10 with a Z-axis as the fulcrum. The fixing film slides to apply a force to the guide 9 and the guide 9 is rotated by the force received from the fixing film, thereby correcting the alignment with the stay 10.SELECTED DRAWING: Figure 3
【課題】筒状のフィルムとローラの間に形成した定着ニップ部で記録材に形成したトナー像を定着処理する定着装置において、フィルムが安定して回転する定着装置を提供する。【解決手段】定着装置は、回転可能に支持された筒状の定着フィルム、定着フィルムの回転をガイドするガイド9、ガイド9を補強する金属製のステイ10、定着フィルムを介してガイド9と共に定着ニップを形成する加圧ローラを有する。ガイド9は、Y軸方向における中央部かつX軸方向における中央部に突起部Sを有する。ステイ10は、ガイド9を支持するための開口部Hを有する。ガイド9の突起部Sがステイ10の開口部Hに挿入される。ガイド9が、Z軸を支点にして、ステイ10に対して回動可能に設けられており、定着フィルムが摺動することにより定着フィルムから受ける力でガイド9が回動し、ステイ10に対するアライメントが補正される。【選択図】図3 |
Author | SANO TETSUYA UCHIDA MICHIO |
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Snippet | To provide a fixing device that performs fixing processing on a toner image formed on a recording material at a fixing nip part formed between a cylindrical... |
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Title | FIXING DEVICE |
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