JPH02127452U - - Google Patents
Info
- Publication number
- JPH02127452U JPH02127452U JP3769889U JP3769889U JPH02127452U JP H02127452 U JPH02127452 U JP H02127452U JP 3769889 U JP3769889 U JP 3769889U JP 3769889 U JP3769889 U JP 3769889U JP H02127452 U JPH02127452 U JP H02127452U
- Authority
- JP
- Japan
- Prior art keywords
- ink ribbon
- print head
- cam gear
- partially toothed
- toothed cam
- 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
- 238000004804 winding Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Common Mechanisms (AREA)
- Electronic Switches (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Description
第１図は本考案の印字動作時を表す一部断面の
全体図、第２図は本考案の非印字動作時を表す一
部断面の全体図、第３図はヘツドカムの詳細図、
第４図は本考案の第２実施例を表す詳細図、第５
図は従来例の印字動作時を表す一部断面の全体図
、第６図は従来例の非印字動作時を表す一部断面
の全体図、第７図は第６図のＡ―Ａ断面図である
。
１……加圧機構、２Ａ，２Ｂ……ヘツドカム、
３……クラツチギヤ、４……ヘツドモータ、５０
……インクリボン、５１……プラテン、５２……
サーマルヘツド、５６……インクリボン巻取り機
構。
Fig. 1 is a partially cross-sectional overall view of the present invention during printing operation, Fig. 2 is a partially cross-sectional overall view of the present invention during non-printing operation, and Fig. 3 is a detailed view of the head cam.
Fig. 4 is a detailed view showing the second embodiment of the present invention;
The figure is an overall partial cross-sectional view of the conventional example during printing operation, FIG. 6 is an overall partial cross-sectional view of the conventional example during non-printing operation, and FIG. 7 is a cross-sectional view taken along line AA in FIG. 6. It is. 1... Pressure mechanism, 2A, 2B... Head cam,
3...Clutch gear, 4...Head motor, 50
...Ink ribbon, 51...Platen, 52...
Thermal head, 56... Ink ribbon winding mechanism.
Claims (1)
する印字ヘツドと、この印字ヘツドをプラテンに
押圧または離脱せしめる印字ヘツド用加圧機構と
、この加圧機構を往復駆動せしめる欠歯カム歯車
と、この欠歯カム歯車に回転駆動力を付勢するヘ
ツドモータと、 前記インクリボンに走行力を付勢するインクリ
ボン巻取り機構と、前記欠歯カム歯車によつて切
り換えられてインクリボンの巻取り時に所定の張
力を付与するクラツチギヤとを装備したプリンタ
用印字ヘツドにおいて、 前記欠歯カム歯車の前記クラツチギヤと噛み合
う側の端部の歯部分が外力による弾性変位を許容
する構造としたことを特徴とするプリンタ用印字
ヘツド。[Claims for Utility Model Registration] A print head that prints on paper on a platen via an ink ribbon, a pressurizing mechanism for the print head that presses or separates the print head from the platen, and a reciprocating drive of the pressurizing mechanism. A partially toothed cam gear, a head motor that applies rotational driving force to the partially toothed cam gear, an ink ribbon winding mechanism that applies a running force to the ink ribbon, and an ink ribbon winding mechanism that is switched by the partially toothed cam gear. A printing head for a printer equipped with a clutch gear that applies a predetermined tension when winding up an ink ribbon, wherein a tooth portion at an end of the partially toothed cam gear that engages with the clutch gear has a structure that allows elastic displacement due to external force. Print head for printers characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989037698U JPH0639980Y2 (en) | 1989-03-31 | 1989-03-31 | Print head for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989037698U JPH0639980Y2 (en) | 1989-03-31 | 1989-03-31 | Print head for printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02127452U true JPH02127452U (en) | 1990-10-19 |
| JPH0639980Y2 JPH0639980Y2 (en) | 1994-10-19 |
Family
ID=31545048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989037698U Expired - Lifetime JPH0639980Y2 (en) | 1989-03-31 | 1989-03-31 | Print head for printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639980Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002205450A (en) * | 2001-01-09 | 2002-07-23 | Nidec Copal Corp | Thermal printer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4285549B2 (en) | 2007-02-08 | 2009-06-24 | 船井電機株式会社 | Image forming apparatus |
-
1989
- 1989-03-31 JP JP1989037698U patent/JPH0639980Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002205450A (en) * | 2001-01-09 | 2002-07-23 | Nidec Copal Corp | Thermal printer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639980Y2 (en) | 1994-10-19 |