Pulley device for a tensioning or guide Roller

The pulley device for a belt or chain tensioning or guide roller comprises a pulley 12, a rolling bearing 14, a spacer 18 supporting the rolling bearing and comprising a transverse mounting surface 48 adapted to allow the device to be attached against an external element, an attachment screw 20 that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WILSON PAMPHILE, NARBONNAIS CEDRIC, PROUTEAU THIERRT
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEARINGS BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The pulley device for a belt or chain tensioning or guide roller comprises a pulley 12, a rolling bearing 14, a spacer 18 supporting the rolling bearing and comprising a transverse mounting surface 48 adapted to allow the device to be attached against an external element, an attachment screw 20 that is immobilized axially relative to the spacer and that comprises a threaded portion 58, and a retaining ring 22 for retaining the relative axial position of the attachment screw and of the spacer. The retaining ring 22 has, in the free state, an internal diameter that is smaller than the diameter of the threaded portion and is open at a point of its circumference so as to be radially elastic.