JPH03129958U

JPH03129958U -

Info

Publication number: JPH03129958U
Application number: JP3891490U
Authority: JP
Priority date: 1990-04-11
Filing date: 1990-04-11
Publication date: 1991-12-26

Description

[Brief explanation of drawings]

第１図から第７図までは本考案を具体化した実
施例を示すもので、第１図は給紙装置を搭載した
画像形成装置の一部断面図、第２図は給紙装置の
給紙動作を示した一部断面図、第３図は給紙装置
を本体装置から分離したときの状態を示す一部断
面図、第４図ａと第４図ｂとは送り駆動ローラと
カツタを駆動する機構の概略構成図、第５図はカ
ートリツジの一部破断図、第６図は本体装置の上
面の一部斜視図、第７図ａと第７図ｂとはシヤツ
タの構成を示す斜視図、第８図は従来の給紙装置
を搭載した画像形成装置の一部断面図である。図中、１０はカートリツジ、１１は光導電性感
光紙、１２は送り駆動ローラ、１３はカツタ、１
４は排紙口のシヤツタ、１５は排紙口、２０は本
体装置、２１は給紙口、２２は給紙口のシヤツタ
、３０はプーリ、３１，３２は従動ギヤ、３３は
ベルト、３４，３５は中間ギヤ、３６，３７は駆
動ギヤ、３８，３９はアーム、４０，４１，５５
はソレノイド、４２，４３，５３，５４はバネ、
５１ａ，５１ｂは突起、５２ａ，５２ｂは穴であ
る。 1 to 7 show embodiments embodying the present invention. FIG. 1 is a partial sectional view of an image forming apparatus equipped with a paper feeding device, and FIG. FIG. 3 is a partial sectional view showing the paper feeder when it is separated from the main unit, and FIGS. 4a and 4b show the feed drive roller and cutter. A schematic configuration diagram of the driving mechanism, FIG. 5 is a partially cutaway view of the cartridge, FIG. 6 is a partial perspective view of the top of the main unit, and FIGS. 7a and 7b are perspective views showing the configuration of the shutter. 8 are partial cross-sectional views of an image forming apparatus equipped with a conventional paper feeding device. In the figure, 10 is a cartridge, 11 is a photoconductive paper, 12 is a feed drive roller, 13 is a cutter, 1
4 is a paper discharge port shutter, 15 is a paper discharge port, 20 is a main unit, 21 is a paper feed port, 22 is a paper feed port shutter, 30 is a pulley, 31 and 32 are driven gears, 33 is a belt, 34, 35 is an intermediate gear, 36, 37 are drive gears, 38, 39 are arms, 40, 41, 55
is a solenoid, 42, 43, 53, 54 are springs,
51a and 51b are protrusions, and 52a and 52b are holes.

Claims

[Scope of Claim for Utility Model Registration] 1. A main unit equipped with a paper feed port for supplying photosensitive paper, and a main unit that is provided to cover the paper feed port of the main device and substantially coincides with the paper feed port in that state. a cartridge having a paper discharge port for storing the photosensitive paper wound in a roll; and a conveying means provided in the cartridge for transporting the photosensitive paper toward the paper discharge port. ; a cutting means provided in the cartridge for cutting the transported photosensitive paper into a predetermined length; and a cutting means that normally closes the paper ejection port and that opens at least when ejecting the photosensitive paper. An image forming apparatus comprising: a blocking member. 2. The cartridge is provided to be detachable from the main unit, and when the cartridge is separated from the main unit, the paper discharge port of the cartridge is blocked by the first blocking member. The image forming apparatus according to claim 1, characterized in that: 3. The paper feed port is provided with a second blocking member, and when the cartridge is separated from the main unit, the paper feed port is blocked by the second blocking member. The image forming apparatus according to claim 2.