Gear unit for a manipulator

Details Gear unit for a manipulator Gear unit for a manipulator

B - Operations, Transporting

25

J

74/54

B25J 17/00 (2006.01) B25J 9/00 (2006.01) B25J 17/02 (2006.01)

Patent

CA 1262062

ABSTRACT OF THE DISCLOSURE The invention is a further development of the gear-head unit for a manipulator described in German Open Patent Application 34 28 748. In order to increase the radius of action and range of applicability of the gear-head unit a structural arrangement with three concentric drive axes and four allowed rotational motions of front, intermediate and rear segments of the manipulator is set forth. These front, intermediate and rear segments are pivotally mounted together about first and second inclined pivot axes which are inclined to each other and to the main drive shaft axis. Along these inclined pivot axes two hollow drive shafts connected with each other extend which are supported by reduction gears in the front and/or intermediate segments. Because of that simultaneous opposing rotational motions of the intermediate and rear segments can be obtained from a single drive motor. In the rear segment an output drive shaft attached to a front plate for a tool holder is rotatably mounted which is driven by coupled intermediate drive shafts guided through the hollow drive shafts.

514088

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