CHAIN TENSIONER

PROBLEM TO BE SOLVED: To provide a chain tensioner capable of surely exhausting air in a pressure chamber, even if a solid particle is mixed in a hydraulic fluid supplied into the pressure chamber. SOLUTION: In the chain tensioner 1, the pressure chamber 11 is formed in a cylinder 9 by slidably inse...

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Bibliographische Detailangaben
1. Verfasser:	ONIMARU KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a chain tensioner capable of surely exhausting air in a pressure chamber, even if a solid particle is mixed in a hydraulic fluid supplied into the pressure chamber. SOLUTION: In the chain tensioner 1, the pressure chamber 11 is formed in a cylinder 9 by slidably inserting a plunger 10 in the axial direction into a bottomed cylindrical cylinder 9 having opening one end; an oil feeding passage 13 is formed in the cylinder 9 for making the inside communicate with the outside of the pressure chamber 11; a spiral screw clearance 25 is formed for making the inside communicate with the outside of the pressure chamber 11; the plunger 10 is energized in a direction projecting from the cylinder 9 by a return spring 21 incorporated into the pressure chamber 11; and a chain 6 is pressed by the plunger 10. The screw clearance 25 is formed in a multi-strip shape. COPYRIGHT: (C)2009,JPO&INPIT