Patent ID: 7013781

Claim:
A device for performing working operations on a workpiece, said device comprising: a base; a table rotatably disposed on the base about a substantially vertical axis; a shaft disposed on said table, said shaft having an axis; a support housing supporting a motor and a working tool driven by said motor, the working tool being movable about a substantially horizontal axis between a first position and a lower second position, said support housing being disposed on said shaft adjacent to said table, said support housing being axially movable along said shaft and being laterally pivotable about an axis of rotation; and a locking mechanism for locking the support housing at a predetermined lateral position, wherein said locking mechanism comprises a handle disposed on said shaft, said handle being rotatable in two directions with respect to said table, such that, upon rotation of said handle in both directions from a neutral position, the handle urges said support housing into contact with said table.