Printing device having engagement portion for suppressing disengagement of bearing from holder

A printing device includes: a platen roller, a pair of bearings, and a holder. The platen roller has a rotational shaft extending in a first direction. The bearings rotatably support respective end portions of the rotational shaft. Each of the bearings includes an abutment portion. The holder includ...

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Bibliographische Detailangaben
Hauptverfasser:	Nagata, Hikaru, Ikemoto, Yusuke, Kita, Hiroaki, Suzuki, Yuichiro
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CORRECTION OF TYPOGRAPHICAL ERRORS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LIGHTING LINING MACHINES MECHANICAL ENGINEERING PERFORMING OPERATIONS PRINTING PRINTING MACHINES OR PRESSES SELECTIVE PRINTING MECHANISMS STAMPS THERMAL INSULATION IN GENERAL TRANSPORTING TYPEWRITERS WEAPONS
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Beschreibung
Zusammenfassung:	A printing device includes: a platen roller, a pair of bearings, and a holder. The platen roller has a rotational shaft extending in a first direction. The bearings rotatably support respective end portions of the rotational shaft. Each of the bearings includes an abutment portion. The holder includes a pair of fitting portions into which the bearings is respectively fitted. Each of the fitting portions includes: a receiving portion, an opening portion, and an engagement portion extending from the receiving portion. The receiving portion has an inner space configured to receive the corresponding bearing. The abutment portion is configured to abut against the engagement portion. In a case where an external force in a direction toward the opening portion is applied to the bearing, the engagement portion is configured to be deformed so as to reduce an area of the opening portion, thereby immovably engaging the bearing.