CHECKER-ARM TYPE CHAIN OIL FEEDING DEVICE

PROBLEM TO BE SOLVED: To provide a checker-arm type chain oil feeding device capable of efficiently and surely feeding oil to a small chain and a traveling chain at high speed. SOLUTION: When a checker arm to be oscillated by a chain is returned by the energizing force of a return spring, a cam surf...

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Bibliographische Detailangaben
Hauptverfasser:	TAGAWA MAMORU, SAITO KENZO, MURANO TETSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVINGPURPOSES BLASTING CHAINS ENGINEERING ELEMENTS AND UNITS FITTINGS PREDOMINANTLY USED THEREFOR GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a checker-arm type chain oil feeding device capable of efficiently and surely feeding oil to a small chain and a traveling chain at high speed. SOLUTION: When a checker arm to be oscillated by a chain is returned by the energizing force of a return spring, a cam surface 11A of a plunger working cam 11 fixed to a cam shaft 10 together with the checker arm operates a plunger 15 of a pump unit 4 through a cam follower 14, and the lubricating oil is sprayed from an oil feeding nozzle to the chain. The cam surface is formed at the position deviated outwardly in the radial direction from the center of the cam shaft, its normal is approximately orthogonal to the axis of the cam shaft, and the plunger can be rapidly operated with small angle of oscillation of the checker arm, and the efficiency oil feeding synchronous to the movement of the chain can be performed with a small amount of lubricating oil to be injected at high speed from the oil feeding nozzle.