Patent ID: 8499891
Filing Date: 2013-08-06
Classification: F01M,F16B

Abstract:
1. A component assembly comprising a sheet metal part ( 10 ) and a nut element ( 12 ) attached thereto, the nut element being connected to the sheet metal part at an opening ( 14 ) of the sheet metal part ( 10 ) and having an internally threaded bore and a flange region ( 82 ) surrounding said internally threaded bore with at least one oil drain groove ( 78 ) which leads from an interior of the shaped sheet metal part radially beneath said flange region and opens into an opening of the sheet metal part, the nut element being adapted to receive a bolt element ( 16 ) having a shaft part ( 18 ) with a thread and a head part ( 20 ) of larger radial dimensions than the shaft part, the opening of the sheet metal part having a first region sized to allow the shaft part of the bolt element to pass through it and engage into said internally threaded bore of the nut element and at least one second region ( 40 ; 136 ) radially outside of the first region which is not closed off by the nut element, wherein a sealing ring ( 56 ) is provided between the head part ( 20 ) of the screwed-in bolt element ( 16 ) and the sheet metal part ( 10 ) and wherein the at least one second region is closed off when the bolt element is screwed into place and with oil being able to drain through said at least one oil drain groove and said at least one second region when said bolt element is not tightened.