Patent ID: 7174760

Claim:
A dual-directional pipe-bending machine comprising a base having atop; a front; and a bracket mounted on the top of the base; a transporting device mounted slidably on the bracket and having a slide mounted slidably on the bracket; a transmission device mounted on the slide and moving the slide on the bracket; and a chuck mounted on the slide; and a pipe-bending assembly mounted on the front of the base and having a transversely moving bracket mounted slidably on the front of the base; a vertically moving bracket mounted slidably on the transversely moving bracket; a location-changing assembly connecting to the transversely moving bracket and the vertically moving bracket and having a transverse transmission device connecting to the transversely bracket to move the transversely moving bracket transversely; and an elevation transmission device connecting to the vertically moving bracket to move the vertically moving bracket vertically; a rotating transmission device connecting to the vertically moving bracket; a rotating bracket mounted securely on and rotated by the rotating transmission device; and two pipe-bending devices separately mounted securely on the rotating bracket, and each pipe-bending device having an operating direction opposite to each other.