JPH0374571U

JPH0374571U -

Info

Publication number: JPH0374571U
Application number: JP13604889U
Authority: JP
Priority date: 1989-11-27
Filing date: 1989-11-27
Publication date: 1991-07-26
Anticipated expiration: 2004-11-27
Also published as: JP2504100Y2

Description

[Brief explanation of the drawing]

第１図および第２図は本考案による複写装置の
一実施例の要部の構成図、第３図および第４図は
上搬送ガイド板の説明図、第５図および第６図は
下搬送ガイド板の説明図、第７図および第８図は
下搬送ガイド板部分のテーパの第１の変形例の説
明図、第９図および第１０図は同第２の変形例の
説明図、第１１図、第１２図および第１３図は下
搬送ガイド板と板状部材の取り付け構造の他の例
の説明図、第１４図および第１５図は下搬送ガイ
ド板と板状部材の取付け構造の更に他の例の説明
図、第１６図は両面給紙ユニツトを装着した複写
装置の構成図、第１７図は排紙カバーの開閉状態
の説明図、第１８図および第１９図は両面給紙ユ
ニツト装着時の転写紙の搬送経路の説明図、第２
０図は両面給紙ユニツトがない場合の排紙部の構
成図、第２１図は両面給紙ユニツトの駆動系の構
成図、第２２図および第２３図はコロ装着の有無
における下搬送ガイド板の平面図、第２４図は転
写紙のジヤムの説明図である。５……下搬送ガイド板、５ａ……切り欠き、６
……上搬送ガイド板、６ａ……切り欠き、８……
ターンガイド駆動コロ、９……ターンガイド板、
１６……ターンガイド従動コロ、１７……ターン
ガイド搬送コロ、１８，１９……板状部材。 1 and 2 are configuration diagrams of essential parts of an embodiment of the copying apparatus according to the present invention, FIGS. 3 and 4 are illustrations of the upper conveyance guide plate, and FIGS. 5 and 6 are illustrations of the lower conveyance guide plate. FIGS. 7 and 8 are explanatory diagrams of the first modification of the taper of the lower conveyance guide plate, and FIGS. 9 and 10 are explanatory diagrams of the second modification of the taper of the lower conveyance guide plate. Figures 11, 12, and 13 are explanatory diagrams of other examples of the attachment structure for the lower conveyance guide plate and the plate-like member, and Figures 14 and 15 are illustrations of the attachment structure for the lower conveyance guide plate and the plate-like member. Further, an explanatory diagram of another example, Fig. 16 is a configuration diagram of a copying machine equipped with a duplex paper feeding unit, Fig. 17 is an explanatory diagram of the open/closed state of the paper ejection cover, and Figs. 18 and 19 are diagrams of the duplex paper feeding unit. Explanatory diagram of the conveyance path of the transfer paper when the unit is installed, 2nd
Figure 0 is a configuration diagram of the paper ejection section without a duplex paper feed unit, Figure 21 is a configuration diagram of the drive system of the duplex paper feed unit, and Figures 22 and 23 are the lower conveyance guide plate with and without rollers installed. FIG. 24 is an explanatory diagram of the jam of the transfer paper. 5...Lower conveyance guide plate, 5a...Notch, 6
...Upper conveyance guide plate, 6a...Notch, 8...
Turn guide drive roller, 9...Turn guide plate,
16... Turn guide driven roller, 17... Turn guide conveying roller, 18, 19... Plate member.

Claims

[Scope of utility model registration request]

In a copying machine in which a duplex paper feed unit can be attached to the main body, an upper conveyance roller that contacts the lower conveyance roller on the duplex paper feed side in the conveyance path downstream of the fixing unit and conveys the transfer paper to the duplex paper feed unit. What is claimed is: 1. A copying apparatus comprising: a removable plate member that fills the cutout of the conveyance guide plate through which the upper and lower conveyance rollers are exposed;