JPS61188847U - - Google Patents
Info
- Publication number
- JPS61188847U JPS61188847U JP7446685U JP7446685U JPS61188847U JP S61188847 U JPS61188847 U JP S61188847U JP 7446685 U JP7446685 U JP 7446685U JP 7446685 U JP7446685 U JP 7446685U JP S61188847 U JPS61188847 U JP S61188847U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- platen
- spring members
- shaft
- pinch roller
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims 2
Landscapes
- Handling Of Cut Paper (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Description
第１図は本考案の実施例を示す側面図、第２図
は本考案の実施例でばね部材を示す底面図、第３
図は本考案の実施例で薄紙を送る状態を示す側面
図、第４図は本考案の実施例で厚紙を送る状態を
示す側面図、第５図は本考案のばね部材及び従来
のローラばねの角変位―押付力図、第６図は本考
案の他の実施例を示す側面図、第７図は従来構造
を示す側面図、第８図はローラばねを示す平面図
である。
第１図から第４図まで及び第６図において、１
はプラテン、２は軸、７はピンチローラ、１１，
１４はばね部材である。
Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is a bottom view showing a spring member in an embodiment of the invention, and Fig. 3 is a side view showing an embodiment of the present invention.
The figure is a side view showing a state in which thin paper is fed in an embodiment of the present invention, FIG. 4 is a side view showing a state in which thick paper is fed in an embodiment of the present invention, and FIG. 5 is a side view showing a state in which thick paper is fed in an embodiment of the present invention. FIG. 6 is a side view showing another embodiment of the present invention, FIG. 7 is a side view showing a conventional structure, and FIG. 8 is a plan view showing a roller spring. In Figures 1 to 4 and Figure 6, 1
is a platen, 2 is a shaft, 7 is a pinch roller, 11,
14 is a spring member.
Claims (1)
４を片持ち状に支持せしめるとともに該ばね部材
１１，１４の自由端にピンチローラ７を取り付け
、 該軸２の位相角を変化させることによりプラテ
ン１に対するピンチローラ７の押付力を可変とし
た紙送り機構において、 該ばね部材１１，１４は大変位におけるばね定
数が小変位におけるばね定数よりも大きい非線形
のばね特性を有するばねであることを特徴とする
プリンタの紙送り機構。[Claims for Utility Model Registration] Spring members 11, 1 are attached to the shaft 2 parallel to the platen 1.
4 is supported in a cantilevered manner, a pinch roller 7 is attached to the free ends of the spring members 11 and 14, and the pressing force of the pinch roller 7 against the platen 1 is variable by changing the phase angle of the shaft 2. A paper feeding mechanism for a printer, wherein the spring members 11 and 14 are springs having nonlinear spring characteristics in which a spring constant at large displacement is larger than a spring constant at small displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7446685U JPS61188847U (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7446685U JPS61188847U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188847U true JPS61188847U (en) | 1986-11-25 |
Family
ID=30614792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7446685U Pending JPS61188847U (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188847U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01269569A (en) * | 1988-04-21 | 1989-10-27 | Canon Inc | Sheet feeder |
| JPH045947U (en) * | 1990-04-26 | 1992-01-20 | ||
| JPH05178322A (en) * | 1991-12-26 | 1993-07-20 | Nichiro Kogyo Kk | Printing sheet carrying apparatus |
-
1985
- 1985-05-20 JP JP7446685U patent/JPS61188847U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01269569A (en) * | 1988-04-21 | 1989-10-27 | Canon Inc | Sheet feeder |
| JPH045947U (en) * | 1990-04-26 | 1992-01-20 | ||
| JPH05178322A (en) * | 1991-12-26 | 1993-07-20 | Nichiro Kogyo Kk | Printing sheet carrying apparatus |
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