Patent ID: 6272961
Filing Date: 2001-08-14
Classification: B23D,B27B,B28D,Y10T

Abstract:
A cutting machine with built-in miter cutting feature, comprising:a table frame;a cutting table slidably mounted on said table frame;a coolant tray which is supported in said table frame and is disposed beneath said cutting table; anda cutting head support bracket affixed at one side of said table frame for supporting said cutting head above said cutting table;a cutting head comprising a motor, a saw blade, and a transmission means for transmitting rotating power of said motor to drive said saw blade to rotate;a miter cutting arrangement, which is provided between said cutting head support bracket and said cutting head, comprising:a platform support frame which comprises a platform support arm, a mounting mean for longitudinally mounting said platform support arm to said cutting head support bracket so as to support said platform support arm longitudinally extending above of said table frame, and a platform pivot arm having an inner end affixed to said platform support arm and an outer end laterally extended from said platform support arm;a head platform wherein said motor is firmly mounted thereon and said saw blade is rotatably supported at an outer side thereof;a pivot means for pivotally connecting said outer side of said head platform with said platform pivot arm in a perpendicular manner that said cutting head is able to be rotated about said platform pivot arm to a slanted position by lifting an inner side of said head platform up from said platform support frame;a supporting means for supporting said inner side of said head platform with said platform support arm, so that, during a normal position, said outer side and said inner side of said head platform are respectively supported by said platform pivot arm and said platform support arm; anda locker device for selectively locking said cutting head at said normal position and said slanted position.