Ex-cell-o Gmbh

Friedrich Burkhardt

Hans Staiger

The invention relates to a rotary index table comprising a stationary table housing, a table plate which is designed for reception of the workpiece and rotation by a drive means mounted on said table housing, a total of three Hirth-type serrations arranged concentrically with respect to one another, namely a first on said table housing, a second on said table plate, preferably in the same plane as said first Hirth-type serration, and adjacent said first two Hirth-type serrations a third Hirth-type serration that is substantially non-rotatable, but is designed for axial adjustment and simultaneous engagement with and disengagement from said first two Hirth-type serrations so as to lock and unlock the latter, said table plate being rotatable by said drive means when the first and the second Hirth-type serrations are in the disengaged state and securable at least in angular positions determined by the pitch of the Hirth-type serrations by a brake means.

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Eislingen/Fils, Germany

Friedrich Burkhardt