Patent ID: 6363981
Filing Date: 2002-04-02
Classification: A01G,F16N,Y10T

Abstract:
A lubrication system for supplying a lubrication fluid to a chain saw cutting device, pivotable between a saw engaging position and a saw dis-engaging position, of a wood cutting machine of the type having at least one saw motor hydraulic circuit or saw actuation hydraulic circuit, said system comprising:a reservoir adapted for holding the lubrication fluid; a receptacle coupled to said reservoir and arranged to receive a quantity of the lubrication fluid, said receptacle operable between a lubrication fluid receiving mode and a lubrication fluid dispensing mode; a source of supply pressure within said receptacle and adapted for placing said receptacle in said lubrication fluid receiving mode; a source of discharge pressure operatively coupled to said receptacle and adapted for placing said receptacle in said lubrication fluid dispensing mode in which the lubricating fluid is transported to the chain saw cutting device; a first flow control device positioned between and coupled with said reservoir and said receptacle; and a second flow control device positioned between and coupled with the chain saw cutting device and said receptacle.