Patent ID: 8818249
Filing Date: 2014-08-26
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image bearing body that bears a developer image; a primary transfer body that bears the developer image, the developer image being transferred from said image bearing body to the primary transfer body; a secondary transfer portion for transferring said developer image from said primary transfer body to a medium; at least three rotatable bodies around which said primary transfer body is stretched, said at least three rotatable bodies including a first rotatable body disposed upstream of said secondary transfer portion in a conveying direction of said medium; and a stretched member provided so as to face said first rotatable body, wherein said primary transfer body is applied with a tension greater than a tension applied to said stretched member, wherein said primary transfer body, said stretched member, and said first rotatable body constitute an introduction portion disposed upstream of said secondary transfer portion in the conveying direction of said medium, said introduction portion introducing said primary transfer body and said medium toward the secondary transfer portion, wherein a gap is formed between said primary transfer body and said stretched member at a portion where said first rotatable body contacts said primary transfer body, and wherein said stretched member is shiftable in a shifting direction away from said primary transfer body at the portion where said first rotatable body contacts said primary transfer body, the shifting direction being not parallel to the conveying direction.