Machine tool with pivotable tool carriage

Claim 1

Machine tool comprising a machine frame, a rotary spindle mounted on said frame, workpiece-clamping chuck means carried by said spindle, elongated guide means pivotally mounted on said frame, a single tool carriage guidingly displaceable along the length of said guide means, and at least one tool holder in the form of a turret mounted on said carriage, said tool holder being rotatable relative to said carriage about an axis perpendicular to the pivot axis of said guide means and adjustable with the aid of said pivotable guide means into positions wherein tools carried by said carriage can selectively machine a workpiece clamped in said chuck means in directions longitudinal to the axis of said rotary spindle and transverse and inclined thereto, said carriage guide means is pivotable through a range of at least 90* so that said carriage is selectively displaceable in directions parallel, perpendicular and inclined to the axis of said rotary spindle, and including index pin means comprising an index pin carried by said machine frame and slidable into a recess formed in said carriage guide means for fixing said carriage guide means with respect to said machine frame at predetermined angular positions of said carriage guide means.