JPH0291745U

JPH0291745U -

Info

Publication number: JPH0291745U
Application number: JP16994788U
Authority: JP
Priority date: 1988-12-29
Filing date: 1988-12-29
Publication date: 1990-07-20
Anticipated expiration: 2003-12-29
Also published as: JPH0729090Y2

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す複写機の用
紙反転装置の構成図、第２図は同じくその用紙反
転装置を装着した複写機全体を示す概略構成図、
第３図は用紙位置決め部材３０を駆動する駆動系
を示す斜視図、第４図はフアーブラシ２８とプル
インローラ２５及び反転ローラ２６との位置関係
を示した説明図、第５図はプルインローラ２５と
反転ローラ２６とプルアウトローラ２７の位置関
係を示す平面図、第６図は第２搬送路に設けた回
転が慣性力によつて暫く継続されるコロとその付
近を簡略化して示す構成図、第７図は第２搬送路
２１に設けたコロ１４付近を示す正面図、第８図
は第２搬送路２１内へ突出するコロ１４を転写紙
の搬送方向に沿つて見た図、第９図は用紙反転装
置３の制御部とその関連構成を示すブロツク図、
第１０図は用紙が用紙位置決め部材に到達してか
ら所定時間後にステツピングモータ３５を作動さ
せるサブルーチンの例を示すフロー図、第１１図
及び第１２図はそれぞれ従来の異なる用紙反転装
置の例を簡略化して示す概略構成図、第１３図イ
，ロはスキユーを生じた転写紙が発泡体に当接し
て反発力によつてスキユーが増大される過程を説
明するための斜視図、第１４図は搬送方向に傾斜
させた紙寄せコロによつてスキユーを矯正する装
置の例を示す平面図である。１…複写機本体、３…用紙反転装置、１３…フ
イルム、１４…コロ、２０…第１搬送路、２１…
第２搬送路、２２…第３搬送路、２５…プルイン
ローラ、２６…反転ローラ、２７…プルアウトロ
ーラ、２８…フアーブラシ、３０…用紙位置決め
部材、３２…クツシヨン部材、３５…ステツピン
グモータ（駆動手段）、４４…入口センサ、８０
…制御部（制御手段）、Ｐ…転写紙（用紙）。 FIG. 1 is a configuration diagram of a paper reversing device of a copying machine showing an embodiment of this invention, and FIG. 2 is a schematic configuration diagram showing the entire copying machine equipped with the same paper reversing device.
FIG. 3 is a perspective view showing the drive system that drives the paper positioning member 30, FIG. 4 is an explanatory view showing the positional relationship between the fur brush 28, the pull-in roller 25, and the reversing roller 26, and FIG. FIG. 6 is a plan view showing the positional relationship between the reversing roller 26 and the pull-out roller 27; FIG. 7 is a front view showing the vicinity of the rollers 14 provided in the second conveyance path 21, FIG. 8 is a view of the rollers 14 protruding into the second conveyance path 21 as seen along the conveyance direction of the transfer paper, and FIG. 9 is a block diagram showing the control unit of the paper reversing device 3 and its related configuration;
FIG. 10 is a flowchart showing an example of a subroutine for activating the stepping motor 35 after a predetermined period of time after the paper reaches the paper positioning member, and FIGS. 11 and 12 each show examples of different conventional paper reversing devices. A simplified schematic diagram of the configuration; FIGS. 13A and 13B are perspective views for explaining the process in which the skewed transfer paper comes into contact with the foam and the skew is increased by the repulsive force; FIG. 14; FIG. 2 is a plan view showing an example of a device for correcting skew using paper feeding rollers inclined in the conveyance direction. DESCRIPTION OF SYMBOLS 1... Copying machine main body, 3... Paper reversing device, 13... Film, 14... Roller, 20... First conveyance path, 21...
Second conveyance path, 22... Third conveyance path, 25... Pull-in roller, 26... Reversing roller, 27... Pull-out roller, 28... Fur brush, 30... Paper positioning member, 32... Cushion member, 35... Stepping motor (driving means) ), 44...inlet sensor, 80
...Control unit (control means), P...Transfer paper (paper).

Claims

【実用新案登録請求の範囲】１画像が転写された用紙を搬入して反転させる
搬送路に設けられ、その搬入される用紙前端を用
紙サイズに応じた位置で位置決めする用紙位置決
め部材を備えた複写機の用紙反転装置において、前記搬送路に搬入される用紙を前記用紙位置決
め部材に当接するまで搬送するフアーブラシを設
け、前記用紙位置決め部材の用紙当接部にクツシ
ヨン部材を取付けると共に、該クツシヨン部材の
用紙当接面に摩擦係数の小さなフイルムを貼着し
たことを特徴とする複写機の用紙反転装置。２用紙を反転させる搬送路内に、該搬送路内を
搬送される用紙によつて回転され、その回転が慣
性力によつて暫く継続されるコロを、前記搬送路
の用紙搬送方向に直交する紙幅方向に間隔を置い
て複数個設けたことを特徴とする請求項１記載の
複写機の用紙反転装置。３用紙位置決め部材を移動させて搬送路内の用
紙を搬出させる駆動手段と、前記搬送路内に搬入
された用紙が用紙位置決め部材に到達してから所
定時間経過後に前記駆動手段を作動させて用紙位
置決め部材を用紙搬送方向に移動させるように制
御する制御手段とを設けたことを特徴とする請求
項１又は２記載の複写機の用紙反転装置。[Claims for Utility Model Registration] 1. A copying machine equipped with a paper positioning member that is provided on a conveyance path for carrying in and inverting paper on which an image has been transferred, and that positions the leading edge of the paper to be carried in at a position according to the paper size. In the paper reversing device of the machine, a fur brush is provided to transport the paper carried into the transport path until it contacts the paper positioning member, a cushion member is attached to the paper contacting portion of the paper positioning member, and the cushion member is A paper reversing device for a copying machine, characterized in that a film with a small friction coefficient is attached to the paper contact surface. 2. A roller, which is rotated by the paper conveyed through the conveyance path and whose rotation is continued for a while due to inertial force, is placed in the conveyance path for reversing the paper, and is perpendicular to the paper conveyance direction of the conveyance path. 2. The paper reversing device for a copying machine according to claim 1, wherein a plurality of paper reversing devices are provided at intervals in the paper width direction. 3. A driving means for moving a paper positioning member to transport the paper in the conveyance path, and a drive means for activating the drive means after a predetermined time elapses after the paper carried into the conveyance path reaches the paper positioning member. 3. A sheet reversing device for a copying machine according to claim 1, further comprising a control means for controlling the positioning member to move in the sheet conveyance direction.