Patent ID: 7673549

Claim:
A guide rail assembly for a tube cutting device, comprising: at least one guide rail; and a carriage assembly operatively connected to and moveable along a length of said at least one guide rail, said at least one guide rail having at least one guide surface, said carriage assembly having at least one guide block with a surface having a shape complementary to the at least one guide rail guide surface, said at least one guide block fixed to the carriage assembly, the carriage assembly being free of rotating wheels that allow for movement of the carriage assembly along the at least one guide rail, said at least one guide block capable of (a) guiding the carriage assembly along the at least one guide rail in a first position and (b) fixedly connecting the carriage assembly to the guide rail against linear movement along a longitudinal axis of the at least one guide surface in a second position with the complementary surfaces of the at least one guide block and guide rail guide surface being securely engaged with each other, wherein the carriage assembly includes a base to which a first end of a hinge bracket is operatively connected, wherein a second end portion of the hinge bracket is capable of moving in a radial direction with respect to the first end, and wherein the second end portion is adapted to be connected to a cutting device.