JPS61120541U

JPS61120541U -

Info

Publication number: JPS61120541U
Application number: JP361985U
Authority: JP
Priority date: 1985-01-17
Filing date: 1985-01-17
Publication date: 1986-07-30

Description

[Brief explanation of drawings]

第１図は本考案のプリンタの一実施例の要部を
示す分解斜視図、第２図ａ，ｂは第１図に示す実
施例に備えられる回転軸と駆動爪との係合関係を
示す説明図で、第２図ａは回転軸と駆動爪とが係
合した係合状態を示す説明図、第２図ｂは回転軸
と駆動爪との係合か解かれた非係合状態を示す説
明図、第３図ａ，ｂ，ｃは第１図に示す実施例に
備えられた選択ラチエツトと係止爪とばね部材と
の係合関係を示す説明図で、第３図ａは係止爪が
駆動される前の待機状態を示す説明図、第３図ｂ
は係止爪か選択ラチエツトに係合した係合状態を
示す説明図、第３図ｃは係止爪と選択ラチエツト
が係合していない非係合状態を示す説明図である
。１１……回転軸、１３……第１の活字輪、１４
……第２の活字輪、１５，１６……周側、２５…
…第１の選択ラチエツト、２６……第２の選択ラ
チエツト、２９……第１の歯部、３０……第２の
歯部、４０……第１の係止爪、５０……第２の係
止爪、５３……回動軸、５６……電磁コイル、５
８……保持台、６１……ヨーク、６３……回動体
。 FIG. 1 is an exploded perspective view showing the main parts of an embodiment of the printer of the present invention, and FIGS. 2a and 2b show the engagement relationship between the rotating shaft and the drive pawl provided in the embodiment shown in FIG. 1. FIG. 2a is an explanatory diagram showing an engaged state in which the rotating shaft and the driving claw are engaged, and FIG. 2b is an explanatory diagram showing the disengaged state in which the rotating shaft and the driving claw are disengaged. 3A, 3B, and 3C are explanatory views showing the engagement relationship between the selection ratchet, the locking pawl, and the spring member provided in the embodiment shown in FIG. Explanatory diagram showing the standby state before the stopper is driven, FIG. 3b
3 is an explanatory view showing an engaged state in which the locking pawl is engaged with the selection ratchet, and FIG. 3c is an explanatory view showing a disengaged state in which the locking pawl and the selection ratchet are not engaged. 11... Rotating shaft, 13... First type wheel, 14
...Second type wheel, 15, 16...Circumferential side, 25...
...First selection ratchet, 26...Second selection ratchet, 29...First tooth section, 30...Second tooth section, 40...First locking pawl, 50...Second selection ratchet Locking claw, 53... Rotation shaft, 56... Electromagnetic coil, 5
8...Holding stand, 61...Yoke, 63...Rotating body.

Claims

[Scope of utility model registration request]

A rotating shaft and a first
a first type wheel having a type body; and a first type wheel that rotates integrally with the first type wheel and has a first tooth portion formed on the circumferential side at a position corresponding to the first type body. a selection ratchet mounted on the rotating shaft and connected to the first type wheel, and a second selection ratchet on the circumferential side;
a second type wheel having a type body; and a second type wheel that rotates integrally with the second type wheel and has a second tooth portion formed on the circumferential side at a position corresponding to the second type body. a first type wheel, a first selection ratchet, a second type wheel, and a second selection ratchet such that the phase of the first tooth portion and the phase of the second tooth portion are different. a first locking pawl capable of locking the rotation of the first selection ratchet; and a second locking pawl capable of locking the rotation of the second selection ratchet; A printer comprising a driving means for rotating the first locking pawl and the second locking pawl.