JPS5454047A - Fixing apparatus - Google Patents

Fixing apparatus

Info

Publication number
JPS5454047A
JPS5454047A JP12073877A JP12073877A JPS5454047A JP S5454047 A JPS5454047 A JP S5454047A JP 12073877 A JP12073877 A JP 12073877A JP 12073877 A JP12073877 A JP 12073877A JP S5454047 A JPS5454047 A JP S5454047A
Authority
JP
Japan
Prior art keywords
rollers
toner image
parallel
carrier
fixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12073877A
Other languages
Japanese (ja)
Other versions
JPS614109B2 (en
Inventor
Haruo Kadoi
Teruo Morikawa
Katsuhiko Yamada
Kenji Okawara
Atsushi Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP12073877A priority Critical patent/JPS5454047A/en
Priority to US05/946,756 priority patent/US4192229A/en
Priority to DE19782843743 priority patent/DE2843743A1/en
Priority to GB7839701A priority patent/GB2009039B/en
Publication of JPS5454047A publication Critical patent/JPS5454047A/en
Publication of JPS614109B2 publication Critical patent/JPS614109B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE: To make it possible to apply a uniform high load to a toner image support by arranging both two pressure rollers having a larger diameter and a fixing roller such they are not in parallel with each other byt satisfy a preset condition.
CONSTITUTION: The diameter of pressure rollers 5 and 6 for pressing a fixing roller 4 is made larger than that of the latter roller. These rollers 4 to 6 are arranged such that their centers a, b and c in any cross-section are lcoated on a straight line passing through the contact portion Q of the rollers 4 and 6 but not in parallel. With this arrangement, the contact point Q of the intersecting rollers 4 and 6 for thermally fixing a toner image support S forms a straight line H in parallel with the axial line of the rollers 4 and 6. As a result, the load to be applied to the toner image carrier S is uniformalized by straightening the axial centers of the rollers 4 and 6, and the nip angle α between the rollers 4 and 6 for the carrier S through the contact line H is so reduced that a high load per unit area can be applied to the carrier S, thus ensuring the satisfactory fixing operation
COPYRIGHT: (C)1979,JPO&Japio
JP12073877A 1977-10-07 1977-10-07 Fixing apparatus Granted JPS5454047A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12073877A JPS5454047A (en) 1977-10-07 1977-10-07 Fixing apparatus
US05/946,756 US4192229A (en) 1977-10-07 1978-09-28 Fixing apparatus
DE19782843743 DE2843743A1 (en) 1977-10-07 1978-10-06 FIXING DEVICE
GB7839701A GB2009039B (en) 1977-10-07 1978-10-06 Fixing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12073877A JPS5454047A (en) 1977-10-07 1977-10-07 Fixing apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP21069284A Division JPS6193477A (en) 1984-10-08 1984-10-08 Fixing device

Publications (2)

Publication Number Publication Date
JPS5454047A true JPS5454047A (en) 1979-04-27
JPS614109B2 JPS614109B2 (en) 1986-02-06

Family

ID=14793755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12073877A Granted JPS5454047A (en) 1977-10-07 1977-10-07 Fixing apparatus

Country Status (1)

Country Link
JP (1) JPS5454047A (en)

Also Published As

Publication number Publication date
JPS614109B2 (en) 1986-02-06

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