JPS55121465A - Pressure fixing device - Google Patents
Pressure fixing deviceInfo
- Publication number
- JPS55121465A JPS55121465A JP2885779A JP2885779A JPS55121465A JP S55121465 A JPS55121465 A JP S55121465A JP 2885779 A JP2885779 A JP 2885779A JP 2885779 A JP2885779 A JP 2885779A JP S55121465 A JPS55121465 A JP S55121465A
- Authority
- JP
- Japan
- Prior art keywords
- lower side
- side roller
- thrust force
- roller
- thrust
- 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.)
- Pending
Links
Abstract
PURPOSE: To stabilize operations and prevent the breakdown and deformation of the device by easing the generation of thrust force.
CONSTITUTION: Upper and lower side rollers 9, 8 having undulation patterns 7 in the same direction through grinding finishing are so disposed that their revolving axes become non-parallel, whereby the pressure fixing device is constituted. As a result of this, if the lower side roller 8 is revolved clockwise, the upper side roller 9 receives the rotating force F of the lower side roller 8 at the common tangent part with the lower side roller 8 but since they have a crossing angle θ, the rotating force of the roller peripheral surface becomes Fcosθ and the thrust force of Fsinθ generates in the axial direction, as against which the thrust force toward the parallel directions of the same intensity generates in the lower side roller 8, thus the both thrust forces negate with each other, whereby the generation of thrust force is suppressed. Hence, the breakdown and deformation near the bearing members of the upper and lower side rollers 9, 8 are prevented and the operations stabilized.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2885779A JPS55121465A (en) | 1979-03-13 | 1979-03-13 | Pressure fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2885779A JPS55121465A (en) | 1979-03-13 | 1979-03-13 | Pressure fixing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55121465A true JPS55121465A (en) | 1980-09-18 |
Family
ID=12260044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2885779A Pending JPS55121465A (en) | 1979-03-13 | 1979-03-13 | Pressure fixing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55121465A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57158864A (en) * | 1981-02-24 | 1982-09-30 | Olivetti & Co Spa | Electrophotographic copying machine |
-
1979
- 1979-03-13 JP JP2885779A patent/JPS55121465A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57158864A (en) * | 1981-02-24 | 1982-09-30 | Olivetti & Co Spa | Electrophotographic copying machine |
JPH0322995B2 (en) * | 1981-02-24 | 1991-03-28 | Ingu* Chii Oribetsutei E Co Spa |
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