JPH0180441U

JPH0180441U -

Info

Publication number: JPH0180441U
Application number: JP1987176450U
Authority: JP
Priority date: 1987-11-20
Filing date: 1987-11-20
Publication date: 1989-05-30

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例によるトラクタユ
ニツト部の平面図、第２図は従来のカラープリン
タの全体斜視図、第３図は第２図の印画用紙送り
機構の模式構成図、第４図は第２図のトラクタユ
ニツト部の平面図である。２……プラテンローラ、９……ピントラクタ、
１０……トラクタピン、１２……固定軸、１３…
…回転軸、２１……トラクタユニツト、２２……
ケーシング、２３……ガイドブツシユ、２３ａ，
２３ｂ……張出し部、２４ａ，２４ｂ……ボルト
、２６ａ，２６ｂ……超整ナツト、２７ａ，２７
ｂ……固定ナツト、２８……調整装置。なお、各
図中、同一符号は同一又は相当部分を示す。 Fig. 1 is a plan view of a tractor unit according to an embodiment of this invention, Fig. 2 is an overall perspective view of a conventional color printer, Fig. 3 is a schematic configuration diagram of the printing paper feeding mechanism shown in Fig. 2, and Fig. 4 3 is a plan view of the tractor unit portion of FIG. 2. FIG. 2...Platen roller, 9...Pin tractor,
10...Tractor pin, 12...Fixed shaft, 13...
...Rotating shaft, 21... Tractor unit, 22...
Casing, 23...Guide bushing, 23a,
23b...Protruding portion, 24a, 24b...Bolt, 26a, 26b...Super straight nut, 27a, 27
b...Fixing nut, 28...Adjusting device. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of claims for utility model registration] (1) Sprocket driven by a rotating shaft;
and a color printer equipped with a tractor unit on both sides of the rotating shaft, which includes a pin tractor built into the casing and having a tractor pin that is hung around the sprocket and that fits into the perforation of the photographic paper. a guide bushing that is rotatably fitted on the rotating shaft and has an overhanging part that is integrally provided in a direction perpendicular to the axis thereof; and a guide bush that is provided between the overhanging part and the casing; An adjusting device is provided, which is configured to be able to tilt the casing by adjusting the distance between the platen roller and the casing, thereby adjusting the angle formed between the platen roller and the pin tractor. Color printer with special features. (2) The adjustment device includes a bolt that engages with the casing and the overhang, respectively, and an adjustment nut and a fixing nut that are threaded onto the bolt to adjust, position, and fix the overhang and the casing with respect to the bolt. A color printer according to Claim 1 of the Utility Model Registration Claim. (3) The collar according to claim 1, wherein the adjustment device includes a liner interposed between the overhang and the casing, and a bolt that tightens the overhang and the casing through the liner. printer.