JP2011241022A5

JP2011241022A5 -

Info

Publication number: JP2011241022A5
Application number: JP2010113296A
Authority: JP
Filing date: 2010-05-17
Publication date: 2013-06-27
Anticipated expiration: 2030-05-17

Description

本発明は、連続して形成された平坦ガイド部及び湾曲ガイド部を有するガイド部材を備えたシート搬送装置において、前記ガイド部材は、シート搬送方向に沿って延在する突出リブが、前記湾曲ガイド部の外側ガイド面から突出し、搬送されるシートに接触するよう前記平坦ガイド部に連続して形成され、前記突出リブは、前記湾曲ガイド部でのシートへの接触面積が、前記平坦ガイド部でのシートへの接触面積よりも大きくなるように構成されていることを特徴とする。 The present invention provides a sheet conveying apparatus including a guide member having a continuously formed flat guide portion and a curved guide portion, wherein the guide member includes a protruding rib extending along a sheet conveying direction. protrude from the outer guide surface of the parts, are formed in succession by the Hare before Symbol flat guide portion in contact with the sheet to be conveyed, the protruding rib, the contact area of the sheet in the curved guide portion, the flat guide It is comprised so that it may become larger than the contact area to the sheet | seat in a part.

Claims

In a sheet conveying apparatus provided with a guide member having a flat guide portion and a curved guide portion formed continuously,
The guide member, the protruding ribs extending along the sheet conveying direction, the projecting from the outer guide surface of the curved guide portion, formed continuously with the by cormorants before Symbol flat guide portion in contact with the sheet to be conveyed,
The sheet conveying apparatus, wherein the protruding rib is configured such that a contact area to the sheet at the curved guide portion is larger than a contact area to the sheet at the flat guide portion.

The protruding rib in the curved guide portion is characterized in that a protruding amount of the rib top portion from the outer guide surface is smaller than a protruding amount of the rib top portion from the guide surface of the flat guide portion. Sheet conveying device.

The sheet conveying apparatus according to claim 2, wherein a plurality of portions having a small protruding amount of the rib top portion are provided with a predetermined distance from upstream to downstream in the sheet conveying direction.

Each of the guide member includes a conveyance unit that conveys the sheet on the upstream side and the downstream side in the sheet conveyance direction,
4. The sheet conveying apparatus according to claim 1, wherein a conveying speed of the downstream conveying unit is greater than a conveying speed of the upstream conveying unit. 5. .

5. The protruding rib according to claim 1, wherein the protruding rib is disposed so as to spread outward from a center in a width direction orthogonal to a sheet conveying direction toward a downstream side in the sheet conveying direction. Sheet conveying device.

The sheet conveying apparatus according to claim 1, wherein the protruding rib is formed integrally with the guide member.

The sheet conveying apparatus according to claim 6, wherein the protruding rib and the guide member are made of sheet metal.

An image forming unit for forming an image on a sheet;
A sheet conveying apparatus according to any one of claims 1 to 7, which conveys an image-formed sheet,
The image forming apparatus according to claim 1, wherein the guide member is disposed downstream of a fixing unit that fixes a toner image formed on the sheet in the image forming unit.