Device for compensating the weight of a robot arm
AssigneeKUKA Roboter GmbH
InventorsAlbert Bayer, Wolfgang Bohlken, Alwin Berninger
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Abstract
A device for compensating the weight of a robot arm of a robot with a spring cylinder and having at least one helical spring is characterized in that there is at least one mechanism for the insertion and removal of at least one further, replaceable helical spring and preferably a pretension of at least the replaceable helical spring is adjustable. The device according to the invention makes it possible to modify the spring constant of the spring cylinder in order to individually adjust the compensating force desired for compensating the weight of the robot.
Claims21
Device for compensating the weight of a robot arm of a robot, having a spring cylinder with at least one helical spring, characterized by at least one mechanism (15-25) for the easy insertion and removal of at least one further, replaceable helical spring (5) of the spring cylinder (1).
Dependencies are inferred from the claim text.