JPS6058369U

JPS6058369U - Ink ribbon drive mechanism

Info

Publication number: JPS6058369U
Application number: JP15037783U
Authority: JP
Inventors: 健二奥名; 英史大塚
Original assignee: 株式会社日立製作所
Priority date: 1983-09-30
Filing date: 1983-09-30
Publication date: 1985-04-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はプリンタの機構見取図、第２図は従来のインク
リボンカセットを示した断面図、第３図は印字ワイヤの
動きの説明図、第４図は第２図の部分上面図、第５図、
第６図は本考案の第１の実施例でリボンカセット内の断
面図、第７図、第８図は本考案の第２の実施例を一部断
面で表わした斜視図である。１・・・印字ヘッド、１１・・・インクリボン、１２・
・・リボンカセット、１３・・・駆動ローラ、１４・・
・従動ローラ、２７・・・印字ワイヤ、１６・・・アー
ム、１８・・・つる巻きばね、２２・・・第２のアーム
、２３．２４・・・歯車。、第　２　　図第　４　図 ′！ｆＪ’７　　目第　δ　図　−Fig. 1 is a schematic diagram of the printer mechanism, Fig. 2 is a sectional view showing a conventional ink ribbon cassette, Fig. 3 is an explanatory diagram of the movement of the printing wire, Fig. 4 is a partial top view of Fig. 2, and Fig. 5 ,
FIG. 6 is a cross-sectional view of the interior of a ribbon cassette in a first embodiment of the present invention, and FIGS. 7 and 8 are perspective views, partially in section, of a second embodiment of the present invention. 1... Print head, 11... Ink ribbon, 12.
...Ribbon cassette, 13...Drive roller, 14...
- Followed roller, 27... Printing wire, 16... Arm, 18... Spiral spring, 22... Second arm, 23.24... Gear. , Figure 2, Figure 4'! fJ'7th δ figure −

Claims

[Scope of utility model registration request]

An impact printer that prints by transferring ink on an ink ribbon is equipped with an arm that swings when the tension of the ink ribbon increases, and the movement of the arm causes
An ink ribbon drive mechanism that separates the ink ribbon from the drive source when the tension of the ink ribbon becomes large.