Presses – Concurrent pressing and conveying – Roll type
Patent
1978-09-28
1980-03-11
Feldman, Peter
Presses
Concurrent pressing and conveying
Roll type
100160, 100162B, 432 60, 219216, 219469, 355 3FU, B30B 304
Patent
active
041922298
ABSTRACT:
Apparatus for fixing toner image on a toner image supporting member in electrophotographic copying machine is disclosed. The fixing apparatus includes three rotary rollers which are in contact with each other under the action of pressing means. One of the three rollers has a smaller diameter than the other two rollers. Two rollers with which the toner image supporting member comes into contact are disposed in such a manner that the axes of the two rollers intersect each other and the portion at which the two rollers contact each other or are closest to each other forms a straight line relative to the direction of roller axis. According to one embodiment of the invention, the remaining one roller with which the supporting member does not contact, is formed as a crown roller, that is, a roller which has its largest diameter at the middle portion of the roller.
REFERENCES:
patent: 2212820 (1940-08-01), Barber
patent: 3309984 (1967-03-01), Mackay
patent: 3736869 (1973-06-01), Motter et al.
patent: 3880577 (1975-04-01), Tomono et al.
patent: 3884623 (1975-05-01), Slack
patent: 3945726 (1976-03-01), Ito et al.
patent: 4022122 (1977-05-01), Moser et al.
patent: 4104963 (1978-08-01), Fortmann
Kubota Atsushi
Morikawa Teruo
Ohkawara Kenji
Tsunoi Haruo
Yamada Katsuhiko
Canon Kabushiki Kaisha
Feldman Peter
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