JPH0446064U

JPH0446064U -

Info

Publication number: JPH0446064U
Application number: JP8875190U
Authority: JP
Priority date: 1990-08-24
Filing date: 1990-08-24
Publication date: 1992-04-20

Description

[Brief explanation of drawings]

第１図から第３図まで本考案を具体化した実施
例を示すもので、第１図は印字装置の連結部分の
概略側面図、第２図は印字装置の全体を示す概略
構成図、第３図は用紙排出ギア連結部分の噛合い
の力学的関係を説明する説明図、第４図は従来の
印字装置の連結部分の概略側面図である。図中、１は定着駆動ギア、５は排出ローラ、６
は排出ギア、７は伝達ギア、８はギアホルダであ
る。 1 to 3 show embodiments embodying the present invention, in which FIG. 1 is a schematic side view of the connecting portion of the printing device, FIG. 2 is a schematic configuration diagram showing the entire printing device, and FIG. FIG. 3 is an explanatory diagram illustrating the mechanical relationship of meshing of the connecting portion of the paper ejection gear, and FIG. 4 is a schematic side view of the connecting portion of a conventional printing device. In the figure, 1 is a fixing drive gear, 5 is a discharge roller, and 6
is a discharge gear, 7 is a transmission gear, and 8 is a gear holder.

Claims

[Scope of Utility Model Registration Claim] In a printing device whose upper part can be opened and closed for jam processing, etc., there is an ejection roller provided at the upper part of the main body for ejecting paper, and an ejection roller for driving the ejection roller. a discharge gear provided coaxially with the roller; a gear holder having a swing center on the rotational axis of the discharge roller; a transmission gear supported by the gear holder and engaged with the discharge gear; a driving gear provided at a lower part of the main body that engages with the transmission gear when the upper part of the main body is closed, and the transmission gear and the driving gear are engaged by the weight of the gear holder when the upper part of the main body is closed;
A printing device characterized in that the rotation of a drive gear is transmitted to the ejection roller via the transmission gear and the ejection gear.