JPH01108754U - - Google Patents
Info
- Publication number
- JPH01108754U JPH01108754U JP372388U JP372388U JPH01108754U JP H01108754 U JPH01108754 U JP H01108754U JP 372388 U JP372388 U JP 372388U JP 372388 U JP372388 U JP 372388U JP H01108754 U JPH01108754 U JP H01108754U
- Authority
- JP
- Japan
- Prior art keywords
- radius
- increase
- platen
- rate
- rotation angle
- 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
Links
- 238000009751 slip forming Methods 0.000 claims 1
Landscapes
- Handling Of Sheets (AREA)
- Common Mechanisms (AREA)
Description
第１図ないし第３図はこの考案の一実施例を示
すもので、第１図は側面図、第２図は斜視図、第
３図は偏心カムの回転角と半径との関係を示すグ
ラフ、第４図は従来の偏心カムの回転角と半径と
の関係を示すグラフである。
２……プラテン、５……キヤリアシヤフト、７
……キヤリア、８……印字ヘツド、９……案内板
、１１……偏心カム、１３……ステツプモータ、
１５……第一の弧面、１６……第二の弧面、２２
……ローラ。
Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a side view, Figure 2 being a perspective view, and Figure 3 being a graph showing the relationship between the rotation angle and radius of the eccentric cam. , FIG. 4 is a graph showing the relationship between rotation angle and radius of a conventional eccentric cam. 2...Platen, 5...Carrier shaft, 7
... Carrier, 8 ... Print head, 9 ... Guide plate, 11 ... Eccentric cam, 13 ... Step motor,
15...First arc surface, 16...Second arc surface, 22
……roller.
Claims (1)
向する案内板とが搭載されたキヤリアを摺動自在
に嵌合保持するキヤリアシヤフトをプラテンから
離反する方向に付勢して進退自在に装着し、前記
キヤリアシヤフトの両端に連結されたローラに当
接する偏心カムをステツプモータに連結して前記
側板に回転自在に装着し、前記偏心カムの外周面
に、回転中心からの半径が最小となる位置から一
定角度の範囲にわたり単位回転角に対する半径の
増加率が大きな第一の弧面と、この第一の弧面の
終端位置から一定角度の範囲にわたり単位回転角
に対する半径の増加率が前記第一の弧面の半径の
増加率より少ない第二の弧面とを連続させて形成
したことを特徴とする印字ギヤツプ調整装置。 A carrier shaft, which slidably fits and holds a carrier on which a printing head and a guide plate facing the platen are mounted, is attached to the opposing side plates so as to be able to move forward and backward while biasing it in a direction away from the platen. An eccentric cam that comes into contact with rollers connected to both ends of the carrier shaft is connected to a step motor and is rotatably mounted on the side plate. a first arc surface having a large rate of increase in radius with respect to a unit rotation angle over a range of angles; and said first arc with a rate of increase in radius with respect to a unit rotation angle over a range of a certain angle from the terminal position of this first arc surface. 1. A printing gap adjustment device characterized in that a second arcuate surface having an increase rate smaller than the radius of the surface is continuously formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP372388U JPH0753975Y2 (en) | 1988-01-14 | 1988-01-14 | Printing gear adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP372388U JPH0753975Y2 (en) | 1988-01-14 | 1988-01-14 | Printing gear adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108754U true JPH01108754U (en) | 1989-07-24 |
| JPH0753975Y2 JPH0753975Y2 (en) | 1995-12-13 |
Family
ID=31205611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP372388U Expired - Lifetime JPH0753975Y2 (en) | 1988-01-14 | 1988-01-14 | Printing gear adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753975Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02143884A (en) * | 1988-11-26 | 1990-06-01 | Fujitsu Ltd | Method for setting gap between printing head and paper |
| JP2023119171A (en) * | 2022-02-16 | 2023-08-28 | セイコーエプソン株式会社 | recording device |
-
1988
- 1988-01-14 JP JP372388U patent/JPH0753975Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02143884A (en) * | 1988-11-26 | 1990-06-01 | Fujitsu Ltd | Method for setting gap between printing head and paper |
| JP2023119171A (en) * | 2022-02-16 | 2023-08-28 | セイコーエプソン株式会社 | recording device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753975Y2 (en) | 1995-12-13 |
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