JPS61157545U - - Google Patents

Info

Publication number
JPS61157545U
JPS61157545U JP4182385U JP4182385U JPS61157545U JP S61157545 U JPS61157545 U JP S61157545U JP 4182385 U JP4182385 U JP 4182385U JP 4182385 U JP4182385 U JP 4182385U JP S61157545 U JPS61157545 U JP S61157545U
Authority
JP
Japan
Prior art keywords
bottom plate
paper
paper feeding
paper feed
lever means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4182385U
Other languages
Japanese (ja)
Other versions
JPH0435307Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985041823U priority Critical patent/JPH0435307Y2/ja
Publication of JPS61157545U publication Critical patent/JPS61157545U/ja
Application granted granted Critical
Publication of JPH0435307Y2 publication Critical patent/JPH0435307Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)

Description

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

第１図は本考案に係る給紙装置の一実施例を示
す斜視図、第２図はその要部の正面図である。第
３図はばね手段による押上げ力に対するシートの
すべり率を示すグラフである。第４図は給紙圧切
換え回路の一例を示し、第５図はその印加電圧波
形図、第６図は給紙圧切換え回路の他の例を示し
、第７図はその印加電圧波形図である。 １……給紙カセツト、２……底板、１０……押
上げレバー手段、１１……押上げレバー、１３…
…押し上げローラ、２０……ばね手段、２１……
コイルばね、３０……ロツク手段、４０……増圧
手段、４１……増圧レバー、４２……ワンウエイ
クラツチ、４３……位置決め用板ばね、４４……
ストツパ片、４５……ソレノイド、５０……給紙
ローラ、ＳＷ１，ＳＷ２……選択スイツチ。 FIG. 1 is a perspective view showing an embodiment of a paper feeding device according to the present invention, and FIG. 2 is a front view of the main parts thereof. FIG. 3 is a graph showing the slip rate of the sheet with respect to the pushing force exerted by the spring means. Fig. 4 shows an example of the paper feeding pressure switching circuit, Fig. 5 shows the applied voltage waveform diagram, Fig. 6 shows another example of the paper feeding pressure switching circuit, and Fig. 7 shows the applied voltage waveform diagram. be. DESCRIPTION OF SYMBOLS 1... Paper feed cassette, 2... Bottom plate, 10... Push-up lever means, 11... Push-up lever, 13...
...Pushing roller, 20... Spring means, 21...
Coil spring, 30... Locking means, 40... Pressure increasing means, 41... Pressure increasing lever, 42... One-way clutch, 43... Positioning plate spring, 44...
Stopper piece, 45...Solenoid, 50...Paper feed roller, SW1 , SW2 ...Selection switch.

Claims (1)

【実用新案登録請求の範囲】 給紙カセツト内に設けた底板を下方から押上げ
ることにより、該底板上に積載されたシートを給
紙ローラに圧接せしめ、該給紙ローラの回転に基
づいて前記シートを最上層から１枚ずつ給紙する
様にした給紙装置において、 前記底板を押上げ可能なレバー手段と、 前記底板上のシート上面が給紙ローラに軽く接
触するか接触する直前にまで前記レバー手段を常
時上方に付勢するばね手段と、 給紙時にのみ動作し、前記レバー手段をさらに
上方に付勢し所定の給紙圧を付与する増圧手段と
、 を備えたことを特徴とする給紙装置。[Claims for Utility Model Registration] By pushing up the bottom plate provided in the paper feed cassette from below, the sheets stacked on the bottom plate are brought into pressure contact with the paper feed roller, and based on the rotation of the paper feed roller, the In a paper feeding device that feeds sheets one by one from the top layer, the lever means is capable of pushing up the bottom plate, and the upper surface of the sheet on the bottom plate lightly contacts or just before it contacts the paper feeding roller. A spring means that constantly biases the lever means upward; and a pressure increase means that operates only when feeding paper and further biases the lever means upward to apply a predetermined paper feeding pressure. Paper feeding device.
JP1985041823U 1985-03-23 1985-03-23 Expired JPH0435307Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985041823U JPH0435307Y2 (en) 1985-03-23 1985-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985041823U JPH0435307Y2 (en) 1985-03-23 1985-03-23

Publications (2)

Publication Number Publication Date
JPS61157545U true JPS61157545U (en) 1986-09-30
JPH0435307Y2 JPH0435307Y2 (en) 1992-08-21

Family

ID=30552010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985041823U Expired JPH0435307Y2 (en) 1985-03-23 1985-03-23

Country Status (1)

Country Link
JP (1) JPH0435307Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599539U (en) * 1978-12-31 1980-07-10
JPS58130833A (en) * 1982-01-29 1983-08-04 Fujitsu Ltd Sheet send-out mechanism
JPS59179833U (en) * 1983-05-16 1984-12-01 東芝テック株式会社 Sheet feeder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599539U (en) * 1978-12-31 1980-07-10
JPS58130833A (en) * 1982-01-29 1983-08-04 Fujitsu Ltd Sheet send-out mechanism
JPS59179833U (en) * 1983-05-16 1984-12-01 東芝テック株式会社 Sheet feeder

Also Published As

Publication number Publication date
JPH0435307Y2 (en) 1992-08-21

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