JPH0357856U

JPH0357856U -

Info

Publication number: JPH0357856U
Application number: JP11857589U
Authority: JP
Priority date: 1989-10-09
Filing date: 1989-10-09
Publication date: 1991-06-04

Description

[Brief explanation of drawings]

第１図は実施例に係る用紙搬送機構の要部を示
す斜視図、第２図は前記実施例の用紙の曲がりを
矯正する動作の説明図、第３図は前記実施例の用
紙の搬送動作の説明図、第４図、第５図は他の実
施例の動作説明図であつて、第４図は用紙の曲が
りを矯正する動作の説明図、第５図は用紙の搬送
動作の説明図、第６図は用紙の搬送路に出入自在
なシヤツタを設けた実施例の要部を示す斜視図、
第７図はシヤツタと用紙ガイドを一体化した実施
例の要部を示す斜視図、第８図は従来の用紙搬送
機構の斜視図である。１２，１４……キヤプスタンローラ、１８，２
０……ピンチローラ、２８……用紙（印刷用紙）
、４０……給紙ローラ、４４，４６，６４，６６
……駆動ローラ、５０，５２，７０，７２……従
動ローラ、６０……ストツパ装置、７４，８８…
…用紙ガイド、８０……シヤツタ、８２……ソレ
ノイド。 FIG. 1 is a perspective view showing the main parts of the paper transport mechanism according to the embodiment, FIG. 2 is an explanatory diagram of the operation of correcting the bending of paper in the embodiment, and FIG. 3 is the paper transport operation of the embodiment. FIG. 4 and FIG. 5 are explanatory diagrams of the operation of other embodiments, in which FIG. 4 is an explanatory diagram of the operation to correct the bending of paper, and FIG. 5 is an explanatory diagram of the paper conveyance operation. , FIG. 6 is a perspective view showing the main parts of an embodiment in which a shutter that can be moved in and out of the paper conveyance path is provided;
FIG. 7 is a perspective view showing the main parts of an embodiment in which a shutter and a paper guide are integrated, and FIG. 8 is a perspective view of a conventional paper transport mechanism. 12, 14... Capstan roller, 18, 2
0...Pinch roller, 28...Paper (printing paper)
, 40...Paper feed roller, 44, 46, 64, 66
... Drive roller, 50, 52, 70, 72 ... Driven roller, 60 ... Stopper device, 74, 88 ...
... Paper guide, 80 ... Shutter, 82 ... Solenoid.

Claims

[Claims for Utility Model Registration] (1) In a paper conveyance mechanism that pinches and conveys paper by a rotating capstan roller and a pinch roller, the mechanism is provided on the paper input side of the capstan roller to transport the paper. A paper feed roller that feeds the paper toward the capstan roller side and allows the paper to slide; and a paper feed roller that is provided between this paper feed roller and the capstan roller to temporarily control the advance of the paper that the paper feed roller sends out. A paper conveyance mechanism characterized by having a stopper device for stopping the paper. (2) The paper transport mechanism according to claim 1, wherein the stopper device is a roller capable of forward and reverse rotation. (3) The stopper device includes a roller capable of forward and reverse rotation, and a paper guide that contacts the roller and is provided along the paper conveyance path. Paper transport mechanism. (4) The paper transport mechanism according to claim 1, wherein the stopper device is a shutter that can move in and out of the paper transport path. (5) The paper transport mechanism according to claim 3, wherein the shutter is formed integrally with a paper guide provided along the paper transport path.