Patent ID: 9520227
Filing Date: 2016-12-13
CPC Classification: E05D,E05Y,H01F,Y10T

Claim Text:
1. An apparatus for a contactless transmission of electrical energy between a wall and a door leaf/window sash fastened to the wall in an articulated fashion via hinges about a hinge axis, the apparatus comprising: a primary coil configured to be fastened to the wall; a secondary coil configured to be fastened to the door leaf/window sash; a hinge bolt configurable as a magnetic flux conduction body between the primary coil and the secondary coil, the hinge bolt comprising: a tensile element which is configured to pass through the at least one flux element and to be connected to the at least one bearing piece; wherein, the tensile element is screwed to the at least one bearing piece, the at least one bearing piece is provided as a first bearing piece and a second bearing piece, the first bearing piece and the second bearing piece each being an end piece, and the tensile element is screwed to the first bearing piece and to the second bearing piece.