JPS63116345U - - Google Patents

Description

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

第１図は本考案の実施例の印字ハンマを打撃部
及び軸部に分解して示す図面、第２図は本考案の
実施例の印字ハンマを示す図面、第３図は本考案
の実施例の印字ハンマ装置を示す図面、第４図は
本考案の実施例の打撃部と軸部との固着方法を示
す図面、第５図はカシメ治具を示す図面、第６図
はカシメ台を示す図面、第７図は従来の印字ハン
マを打撃部及び軸部に分解して示す図面、第８図
は従来の印字ハンマを示す図面である。 １は印字ハンマケース、３は印字ハンマ、５は
打撃部、７は軸部、９はコイル、１１は位置決め
用突起、１３は腕部、１５は固定用突起、１７は
挿通孔である。 Fig. 1 is a drawing showing a printing hammer according to an embodiment of the present invention broken down into a striking part and a shaft part, Fig. 2 is a drawing showing a printing hammer according to an embodiment of the invention, and Fig. 3 is an embodiment of the invention. Fig. 4 is a drawing showing a method of fixing the striking part and the shaft part of the embodiment of the present invention, Fig. 5 is a drawing showing a crimping jig, and Fig. 6 is a drawing showing a crimping stand. The drawings, FIG. 7 is a drawing showing a conventional printing hammer disassembled into a striking part and a shaft part, and FIG. 8 is a drawing showing a conventional printing hammer. 1 is a printing hammer case, 3 is a printing hammer, 5 is a striking portion, 7 is a shaft portion, 9 is a coil, 11 is a positioning projection, 13 is an arm portion, 15 is a fixing projection, and 17 is an insertion hole.

Claims (1)

【実用新案登録請求の範囲】 １ 印字ハンマケース１内に移動可能に支持され
、打撃部５と軸部７とから構成される印字ハンマ
３と、 前記印字ハンマ３を磁気駆動するコイル９とを
備えた印字ハンマ装置において、 打撃端側に位置する前記軸部７の一方の端部と
係合可能に前記打撃部５の中間部に形成され、打
撃部５の長手方向の位置を規制する位置決め用突
起１１と、 前記打撃部５の非打撃端側から長手方向に伸び
、前記軸部７の軸方向に形成された挿通孔１７に
貫通される前記中間部より幅の狹い腕部１３と、 前記腕部１３の自由端に形成され、前記軸部７
の他方の端部と係合可能な鉤状の固定用突起１５
とを備え、その他方の端部と固定用突起１５との
係合により前記打撃部５と軸部７とが固着される
ことを特徴とする印字ハンマ装置。 ２ 前記軸部７は、その両端部に前記位置決め用
突起１１及び固定用突起１５が係合される凹部１
９，２１を備えることを特徴とする実用新案登録
請求の範囲第１項記載の印字ハンマ装置。 ３ 前記腕部１３は２本設けられ、また前記位置
決め用突起１１は前記中間部の両側端にそれぞれ
形成されることを特徴とする実用新案登録請求の
範囲第１項記載の印字ハンマ装置。 ４ 前記打撃部５は、前記２本の腕部１３の間に
その２本の腕部を外側へ広げ塑性変形させるため
の治具３１が挿入可能なＵ字型切欠２３を備える
ことを特徴とする実用新案登録請求の範囲第３項
記載の印字ハンマ装置。 ５ 前記軸部７が円筒形であることを特徴とする
実用新案登録請求の範囲第１項記載の印字ハンマ
装置。[Claims for Utility Model Registration] 1. A printing hammer 3 movably supported within a printing hammer case 1 and comprising a striking portion 5 and a shaft portion 7, and a coil 9 for magnetically driving the printing hammer 3. In the printing hammer device, a positioning member is formed in the middle part of the striking part 5 so as to be able to engage with one end of the shaft part 7 located on the striking end side, and regulates the position of the striking part 5 in the longitudinal direction. an arm portion 13 that extends in the longitudinal direction from the non-striking end side of the striking portion 5 and is narrower than the intermediate portion through an insertion hole 17 formed in the axial direction of the shaft portion 7; , formed at the free end of the arm part 13, and the shaft part 7
A hook-shaped fixing protrusion 15 that can be engaged with the other end of the
A printing hammer device characterized in that the striking portion 5 and the shaft portion 7 are fixed by engagement of the other end with a fixing protrusion 15. 2 The shaft portion 7 has a recess 1 at both ends thereof, in which the positioning projection 11 and the fixing projection 15 are engaged.
9, 21. The printing hammer device according to claim 1, characterized in that the printing hammer device comprises: 9, 21. 3. The printing hammer device according to claim 1, wherein two arm portions 13 are provided, and the positioning protrusions 11 are formed at both ends of the intermediate portion. 4. The striking part 5 is characterized by having a U-shaped notch 23 between the two arm parts 13 into which a jig 31 for expanding the two arm parts outward and plastically deforming them can be inserted. A printing hammer device according to claim 3 of the utility model registration claim. 5. The printing hammer device according to claim 1, wherein the shaft portion 7 is cylindrical.