Portable lathe device

A lathe device adapted to be mounted on work to be machined, said device comprising:

• a mounting portion,
• a spindle housing carried by the mounting portion,
• a spindle having first and second opposite ends and defining a central axis, said spindle being adapted to be connected at its first end to a motor,
• bearing means supporting the spindle for rotation about its central axis within the spindle housing,
• tool mounting means carried by the spindle at the second end thereof for rotation with the spindle about its central axis, said tool mounting means comprising a tool carrier for receiving a tool, guide means defining a path of movement of the tool carrier, said path of movement intersecting said central axis, and feed means for moving the tool carrier along said path of movement between a first position in which a tool held in the tool carrier is located on said central axis and a second position which defines the perimeter of the area to be machined and in which the tool is spaced from said central axis, the feed means comprising a lead screw, a cam follower for rotating the lead screw, a cam attached to the spindle housing for actuating the cam follower to rotate the lead screw as the spindle rotates the tool mounting means, clutch means effective between the cam follower and the lead screw for driving the lead screw in a given rotational direction in response to movement of the cam follower, means for adjustably spacing the cam follower from the dwell of the cam to adjust the rotation of the lead screw by the cam follower, and reversing means effective between the cam follower and the lead screw for reversing the direction of rotation of the lead screw, and
• means for attaching the mounting portion to the work at locations that are spaced farther from central axis than is the perimeter of the area to be machined.