JPH0445051U

JPH0445051U -

Info

Publication number: JPH0445051U
Application number: JP8630490U
Authority: JP
Priority date: 1990-08-16
Filing date: 1990-08-16
Publication date: 1992-04-16

Description

[Brief explanation of the drawing]

第１図は本考案に係るペーパベイルローラの一
実施例の構成を示す分解斜視図、第２図は同ペー
パベイルローラの縦断面図、第３図は同ペーパベ
イルローラの横断面図、第４図は従来例及び本考
案の実施例のペーパベイルローラを使用したプリ
ンタの一例の部分的構造を示す平面図、第５図は
従来例におけるプラテン周辺の断面図、第６図は
従来のペーパベイルの分解斜視図、第７図は第４
図に示したプリンタの一部省略右側面図、第８図
は同左側面図、第９図は同プリンタのペーパベイ
ル軸開放時の一部省略右側面図、第１０図は同左
側面図、第１１図はペーパベイル軸開放時の同プ
リンタの部分平面図である。１……プラテン、３……ペーパベイル軸、６…
…用紙、８……印字ヘツド、１１……ペーパベイ
ルローラ、１２……弾性体ブツシユ、１３……リ
ブ、１４……大径部、１５……孔、１６……内周
、２０，２１……フレーム、２２，２３……アー
ム、２６，２７……カム盤、２８，２９……カム
歯、３０，３１……凸部。 FIG. 1 is an exploded perspective view showing the configuration of an embodiment of the paper bail roller according to the present invention, FIG. 2 is a longitudinal cross-sectional view of the paper bail roller, FIG. 3 is a cross-sectional view of the paper bail roller, and FIG. Fig. 4 is a plan view showing a partial structure of an example of a printer using paper bail rollers of the conventional example and the embodiment of the present invention, Fig. 5 is a sectional view of the area around the platen in the conventional example, and Fig. 6 is a conventional paper bail roller. Figure 7 is an exploded perspective view of the 4th
8 is a partially omitted right side view of the printer shown in the figure, FIG. 8 is a left side view of the same, FIG. 9 is a partially omitted right side view of the same printer when the paper bail shaft is opened, FIG. The figure is a partial plan view of the same printer when the paper bail shaft is open. 1...Platen, 3...Paper bail shaft, 6...
... Paper, 8 ... Print head, 11 ... Paper bail roller, 12 ... Elastic bushing, 13 ... Rib, 14 ... Large diameter section, 15 ... Hole, 16 ... Inner circumference, 20, 21 ... ... Frame, 22, 23 ... Arm, 26, 27 ... Cam disk, 28, 29 ... Cam tooth, 30, 31 ... Convex part.

Claims

[Claims for Utility Model Registration] A plurality of paper bail shafts are inserted coaxially at intervals through a paper bail shaft installed in parallel to a platen installed in a printing device, and sheets conveyed along the outer periphery of the platen are placed on the surface of the platen. In the cylindrical paper bail roller to be pressed into contact, a circle having an inner diameter smaller than the outer diameter of the paper bail shaft and an outer diameter larger than the inner diameter of the paper bail roller and shorter than the paper bail roller is provided between the paper bail shaft and the paper bail roller. 1. A paper bail roller comprising an annular elastic bushing, the elastic bushing having a plurality of ribs formed in the axial direction on an inner circumferential surface thereof.