Patent ID: 7760471
Filing Date: 2010-07-20
Classification: H02K,Y10T

Abstract:
1. A positioning device, comprising: a housing; a shaft swivelable about a centrical position relative to the housing, a first end of the shaft attachable to a component to be positioned; a swivel drive, arranged as an electrical direct drive, including a stator and a rotor, the rotor movable relative to the stator; and a position measurement device including two parts movable relative to each other; wherein the rotor of the swivel drive and a first part of the position measurement device are connected to the shaft in a rotatably fixed manner, the positioning device including a cable adapted to electrically connect at least one of (a) the shaft, (b) the rotor and (c) the first part to a stationary unit, the cable having a spiral-shaped course leading radially outwardly starting from the shaft located in the centrical position; wherein the cable is arranged within the housing; and wherein surfaces of the housing in contact with the cable are at least one of (a) lined and (b) coated with a material that is low in friction and abrasion, the material including at least one of (a) a plastic material and (b) PTFE.