JPH0288944U

JPH0288944U -

Info

Publication number: JPH0288944U
Application number: JP16875388U
Authority: JP
Priority date: 1988-12-27
Filing date: 1988-12-27
Publication date: 1990-07-13

Description

[Brief explanation of drawings]

第１図は本考案の給紙装置の構成を示す斜視図
、第２図は給紙ローラを半回転させた状態の正面
図、第３図はその側面図、第４図および第５図は
それぞれ給紙ローラを移動させる構成の他の実施
例の斜視図、第６図は本考案の加圧アームを移動
させる場合の正面図、第７図は加圧アームとその
移動機構の構成を示す斜視図、第８図は従来例の
給紙装置の斜視図であり、第９図はその正面図で
ある。図中の符号、１……給紙カセツト、５……ボト
ムプレート、７……スナバー、１０，１１……給
紙ローラ、１２……駆動軸、１５……モータ、２
０……モータ、２２……移動装置、２３……制御
装置、２５……シヤフト、２６……外ネジ、２７
……シヤフト支持板、２８……内ネジ、３０……
加圧アーム、３１……軸、３５……加圧装置本体
、３６……ガイドロツド、４０……モータ、４５
……シヤフト、４６……外ネジ、４８……内ネジ
。 Fig. 1 is a perspective view showing the configuration of the paper feeding device of the present invention, Fig. 2 is a front view with the paper feeding roller turned half a turn, Fig. 3 is a side view thereof, and Figs. 4 and 5 are FIG. 6 is a perspective view of another embodiment configured to move the paper feed roller, FIG. 6 is a front view when the pressure arm of the present invention is moved, and FIG. 7 is a structure of the pressure arm and its moving mechanism. 8 is a perspective view of a conventional paper feeding device, and FIG. 9 is a front view thereof. Symbols in the diagram: 1...Paper feed cassette, 5...Bottom plate, 7...Snubber, 10, 11...Paper feed roller, 12...Drive shaft, 15...Motor, 2
0... Motor, 22... Moving device, 23... Control device, 25... Shaft, 26... External screw, 27
...Shaft support plate, 28...Inner screw, 30...
Pressure arm, 31... shaft, 35... pressure device body, 36... guide rod, 40... motor, 45
...shaft, 46...external thread, 48...internal thread.

Claims

[Scope of Claim for Utility Model Registration] (1) Place paper on the bottom plate of the paper storage device, swing the paper feed side end of the bottom plate upward, and remove the paper from the paper feed section. In a paper feeding device configured to feed paper by pressing a paper roller and rotating the paper feed roller, the paper feed roller for feeding out the paper is arranged along a support shaft in accordance with the paper size. 1. A paper feeding device for an image forming apparatus, characterized in that the paper feeding device is configured to be able to move the paper, and to be arranged at fixed positions on both sides of the paper so that the paper can be fed out. (2) Place the paper on the bottom plate of the paper storage device, swing the paper feed side tip of the bottom plate upward, and press it against the paper feed roller provided in the paper feed section. In a paper feeding device configured to feed paper by rotation of a paper feeding roller, a pressure arm for swinging the bottom plate is provided movably in the width direction of the paper, and the pressure arm is configured to feed paper by rotating the paper feed roller. A paper feeder for an image forming apparatus, characterized in that the paper feeder is configured to move according to the size of the paper and press a bottom plate from the lower part of the central portion of the paper. (3) Place the paper on the bottom plate of the paper storage device, swing the paper feed side tip of the bottom plate upward, and press it against the paper feed roller provided in the paper feed section. In a paper feeding device configured to feed paper by rotation of a paper feeding roller, the paper feeding roller is provided so as to be movable along a support shaft in accordance with the paper size, and the bottom plate is oscillated. A pressure arm for moving the paper is provided so as to be movable in the width direction of the paper, and the pressure arm is moved in accordance with the paper size to press the bottom plate from the lower part of the center portion of the paper. A paper feeding device for an image forming apparatus characterized by: