Patent ID: 6453773
Filing Date: 2002-09-24
Classification: B23Q,Y10T

Abstract:
An elevation and index apparatus for elevating and indexing an object located thereon, comprising:a rotary table rotatably supported by a bearing, said rotary table including a communicating bore through a center thereof; a power transmission mechanism for rotating said rotary table; a motor fixed to a table base which supports said bearing, said motor including an output shaft that is connected to said power transmission mechanism; a cylinder including an output shaft disposed to move linearly through said table base; a main elevation shaft extending through said communicating bore and connected to said output shaft; an elevation and index table connected to said main elevation shaft, and also connected to said rotary table so as to be moveable upwardly or downwardly relative to said rotary table while being restricted in rotational movement relative to said rotary table; and a casing disposed outside of said table base and enclosing said power transmission mechanism, wherein said motor and said cylinder are each driveable by water pressure, and said motor and said cylinder are each controllable by a water hydraulic control valve.