Patent ID: 7494306
Filing Date: 2009-02-24
Classification: B23Q,Y10T

Abstract:
1. A rotary cutting machine comprising: a machine body including a rotatable arbor having a central axis of rotation and adapted to hold a rotary cutting tool, said rotary cutting tool being rotated with said arbor about said central axis of rotation; and an oil tank mounted to said machine body and adapted to feed a cutting oil to the rotary cutting tool, said oil tank being adjustably mounted so as to be rotatable relative to the machine body to a plurality of given angular positions about said central axis of rotation, said arbor including an inlet port for receiving the cutting oil from said oil tank, an outlet port for directing the cutting oil to the rotary cutting tool, and an oil line axially extending from said inlet port to said outlet port, said oil tank having an interior space, said interior space being divided into a first interior part and a second interior part by an imaginary plane containing said central axis of rotation, said first interior part being less in volume than said second interior part.