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Abstract

Abstract PURPOSE:To facilitate removal of jammed paper at the time of drawing out a roller fixing device by releasing the detaining of the roller fixing device and a device body and releasing the nip of a roller pair simultaneously by a lever operation when the jam arises. CONSTITUTION:A roller 32 presses a front side nip releasing member 34 and turns the member around a shaft 36 when a releasing lever 30 is turned when the jam arises. A hook member 37 is then turned by a locking member 34b and is fitted into a notch 37a, by which the member 34 is locked. A nip releasing fulcrum shaft 70 fixed to a driven shaft supporting member 67 is engaged with the upper notch 34 of the member 34 and is pushed down by turning of the member 34, by which a driven roller 66 is detached from a hot roll 57 and the nip is released. The nip is similarly released on the rear side as well. A mechanism consisting of links A40, B41, C42 supported to the member 34 is released from the engagement of the notched part 44a of the locking lever 44 and the locking pin 45 by turning of the member 34. The device body and the roller fixing device are, therefore, unlocked, and the nip between the rolls 57 and 66 is released as well. The removal of the jam paper is thus facilitated.

Inventors

• 👤 Shigeru Sato
• 👤 Minoru Kishino

Bibliographic Details