JPS649741U - - Google Patents

Info

Publication number
JPS649741U
JPS649741U JP10335887U JP10335887U JPS649741U JP S649741 U JPS649741 U JP S649741U JP 10335887 U JP10335887 U JP 10335887U JP 10335887 U JP10335887 U JP 10335887U JP S649741 U JPS649741 U JP S649741U
Authority
JP
Japan
Prior art keywords
armature
printing
leaf spring
wire
fulcrum
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
JP10335887U
Other languages
Japanese (ja)
Other versions
JPH0630445Y2 (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 JP1987103358U priority Critical patent/JPH0630445Y2/en
Publication of JPS649741U publication Critical patent/JPS649741U/ja
Application granted granted Critical
Publication of JPH0630445Y2 publication Critical patent/JPH0630445Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Impact Printers (AREA)

Description

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

第1図は本考案のワイヤドツト印字ヘツドの主
要部の分解斜視図、第2図は従来のワイヤドツト
印字ヘツドの主要部の断面図、第3図から第5図
までは、従来例における印字ワイヤのストローク
に対応する板バネのたわみ力と永久磁石の吸引力
及びアーマチユアに実際に作用する吸引力との関
係を示す種々の場合のグラフ、第6図は第1図の
構成の印字ヘツドを組み立てた場合の主要部断面
図、第7図はこの場合の支点部材の近傍の要部拡
大図、第8図はこの場合の印字ワイヤのストロー
クに対応する板バネ3のたわみ力と永久磁石の吸
引力及びアーマチユアに実際に作用する実際に作
用する吸引力との関係を示すグラフ、第9図は本
考案の変形例を示す主要部の断面図、第10図は
その支持部材近傍の部分拡大図である。 1……印字ワイヤ、2……アーマチユア、3…
…板バネ、8……電磁石、15……支持部材、M
1,M2……支持点。
Fig. 1 is an exploded perspective view of the main parts of the wire dot print head of the present invention, Fig. 2 is a sectional view of the main parts of the conventional wire dot print head, and Figs. 3 to 5 show the printing wire in the conventional example. Graphs showing the relationship between the deflection force of the leaf spring corresponding to the stroke, the attraction force of the permanent magnet, and the attraction force actually acting on the armature in various cases. Figure 6 shows the print head constructed as shown in Figure 1 assembled. Fig. 7 is an enlarged view of the main part near the fulcrum member in this case, and Fig. 8 shows the deflection force of the leaf spring 3 and the attractive force of the permanent magnet corresponding to the stroke of the printing wire in this case. FIG. 9 is a sectional view of the main part showing a modification of the present invention, and FIG. 10 is a partially enlarged view of the vicinity of the support member. be. 1... Printing wire, 2... Armature, 3...
...Plate spring, 8...Electromagnet, 15...Support member, M
1, M2...Support point.

Claims (1)

【実用新案登録請求の範囲】 バネチヤージ型ワイヤドツト印字ヘツドにおい
て、 印字ワイヤを一端に固着したアーマチユアと、 このアーマチユアを自由端側に固定して前記印
字ワイヤに印字力を加える板バネと、 この板バネに歪エネルギーをチヤージするため
に前記印字力に抗して前記アーマチユアを吸引す
る磁石と、 前記板バネがその自由端を回転させるその回転
運動中に、前記板バネの所定箇所に接触して回転
運動の支点を設定する支点部材とを有し、 この支点部材は、前記板バネの回転運動中に、
異なるタイミングで少なくとも2以上の点で前記
板バネに接触する複数の支持点を有していること
を特徴とするワイヤドツト印字ヘツド。
[Scope of Claim for Utility Model Registration] In a spring charge type wire dot printing head, an armature to which a printing wire is fixed to one end, a leaf spring that fixes this armature to a free end side and applies printing force to the printing wire, and this leaf spring. a magnet that attracts the armature against the printing force in order to charge the armature with strain energy; and a fulcrum member that sets a fulcrum of movement, and this fulcrum member is configured to:
A wire dot print head characterized in that it has a plurality of support points that contact the leaf spring at at least two points at different timings.
JP1987103358U 1987-07-07 1987-07-07 Wire dot print head Expired - Lifetime JPH0630445Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987103358U JPH0630445Y2 (en) 1987-07-07 1987-07-07 Wire dot print head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987103358U JPH0630445Y2 (en) 1987-07-07 1987-07-07 Wire dot print head

Publications (2)

Publication Number Publication Date
JPS649741U true JPS649741U (en) 1989-01-19
JPH0630445Y2 JPH0630445Y2 (en) 1994-08-17

Family

ID=31334116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987103358U Expired - Lifetime JPH0630445Y2 (en) 1987-07-07 1987-07-07 Wire dot print head

Country Status (1)

Country Link
JP (1) JPH0630445Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674749U (en) * 1979-11-14 1981-06-18
JPS6048337U (en) * 1983-09-06 1985-04-05 松田 勝志 Car battery charging device
JPS62934U (en) * 1985-06-17 1987-01-07

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674749U (en) * 1979-11-14 1981-06-18
JPS6048337U (en) * 1983-09-06 1985-04-05 松田 勝志 Car battery charging device
JPS62934U (en) * 1985-06-17 1987-01-07

Also Published As

Publication number Publication date
JPH0630445Y2 (en) 1994-08-17

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