JPH01129167U

JPH01129167U -

Info

Publication number: JPH01129167U
Application number: JP2393388U
Authority: JP
Priority date: 1988-02-26
Filing date: 1988-02-26
Publication date: 1989-09-04

Description

[Brief explanation of the drawing]

第１図は、本考案のトラクタを備えたプリンタ
の要部後方斜視図、第２図は、本考案の第１実施
例のプリンタのトラクタの概略側面図、第３図は
、トラクタの要部切断面図、第４図は、プリンタ
の要部前方斜視図、第５図は、プリンタの要部切
断側面図、第６図は、回転伝達機構の概略配置図
、第７図は、トラクタの平面図、第８図は、本考
案の第２実施例のプリンタのトラクタの概略側面
図、第９図は、本考案の第３実施例のアイドルギ
アの概略側面図、第１０図は、本考案の第４実施
例のプリンタのトラクタの概略側面図、第１１図
は、従来のプリンタのトラクタの要部切断側面図
である。１……ピンホイール、２……トラクタピン、３
……下部ガイド板、４……用紙押え蓋、９……軸
受、１０……プリンタ本体、１１……トラクタユ
ニツト、１２，１３……側部支持体、１４……角
軸、１５……タイロツド、１６……ガイドロツド
、１７……トラクタ、１８……カバー嵌合部、１
９……トツプカバー、２０……ピンホイール、２
０ａ……外周面、２１……トラクタピン、２２…
…下部ガイド板、２２ａ……ガイド面、２３……
上部ガイド板、２４……長溝、２５……誘導部、
２６……間隙、２７……プラテン、２８……排出
ローラ、２９……支軸、３０……ガイドリブ、３
０ａ……ガイド面、３１……側板、３２……ピン
、３３……印字ヘツド、３４……回転軸、３５…
…用紙受板、３６……給送案内板、３７……給紙
口、３８……用紙押え板、３９……プラテンギア
、４０……アイドルギア、４１……プラテンノブ
、４２……ローラギア、４３……トラクタギア、
４４……アイドルギア、４５……モータ軸、４６
……モータギア、４７……軸、４８……第１伝達
ギア、４９……第２伝達ギア、５０……表示体、
５１……接片、５２……スイツチ操作カム、５３
……ストツパ、５４……バネ板、Ｐ……印字用紙
、ＳＷ１……マイクロスイツチ。 Fig. 1 is a rear perspective view of the main parts of a printer equipped with a tractor of the present invention, Fig. 2 is a schematic side view of the tractor of the printer according to the first embodiment of the invention, and Fig. 3 is a main part of the tractor. FIG. 4 is a front perspective view of the main parts of the printer, FIG. 5 is a cutaway side view of the main parts of the printer, FIG. 6 is a schematic layout of the rotation transmission mechanism, and FIG. 7 is a front perspective view of the main parts of the printer. 8 is a schematic side view of a tractor of a printer according to a second embodiment of the present invention, FIG. 9 is a schematic side view of an idle gear according to a third embodiment of the present invention, and FIG. FIG. 11 is a schematic side view of a printer tractor according to a fourth embodiment of the invention, and FIG. 11 is a cutaway side view of essential parts of a conventional printer tractor. 1... Pin wheel, 2... Tractor pin, 3
... Lower guide plate, 4 ... Paper holding lid, 9 ... Bearing, 10 ... Printer main body, 11 ... Tractor unit, 12, 13 ... Side support, 14 ... Square shaft, 15 ... Tie rod , 16... Guide rod, 17... Tractor, 18... Cover fitting part, 1
9...Top cover, 20...Pin wheel, 2
0a...Outer peripheral surface, 21...Tractor pin, 22...
...Lower guide plate, 22a...Guide surface, 23...
Upper guide plate, 24...long groove, 25...guiding section,
26... Gap, 27... Platen, 28... Discharge roller, 29... Support shaft, 30... Guide rib, 3
0a... Guide surface, 31... Side plate, 32... Pin, 33... Print head, 34... Rotating shaft, 35...
... Paper receiving plate, 36 ... Feeding guide plate, 37 ... Paper feed port, 38 ... Paper holding plate, 39 ... Platen gear, 40 ... Idle gear, 41 ... Platen knob, 42 ... Roller gear, 43 ... ...tractor gear,
44...Idle gear, 45...Motor shaft, 46
... Motor gear, 47 ... Shaft, 48 ... First transmission gear, 49 ... Second transmission gear, 50 ... Display body,
51... Contact piece, 52... Switch operation cam, 53
...Stopper, 54...Spring plate, P...Printing paper, SW1...Micro switch.

Claims

[Scope of utility model registration request]

A plurality of tractor pins are provided protruding at a constant pitch on the outer peripheral surface of the pin wheel, lower guide plates are respectively disposed close to both end surfaces of the pin wheel, and a space is provided above the pin wheel and the lower guide plate. an upper guide plate is provided at the upper guide plate, a guide part is formed at an end of the upper guide plate to be inclined upwardly with respect to an upper edge of the lower guide plate, and a tractor pin of the pin wheel is connected to the guide part of the upper guide plate. 1. A tractor for a printer, characterized in that a gap is formed between the tractor pin and the guiding portion to allow paper to be inserted when the tractor is positioned below the tractor pin.