Patent ID: 7635234

Claim:
A coupling element of a support arm system for connecting a housing ( 10 ) or a support arm system element with a support arm ( 12 ), having a substantially hollow cylinder-shaped receiving element ( 14 ) fixable in place on the housing ( 10 ) or the support arm system element and for receiving and fixing in place the support arm ( 12 ) in an axial direction (arrow A), the coupling element comprising: the receiving element ( 14 ) covered by a substantially cup-shaped cover ( 16 ) having a central through-opening ( 18 ) for passing the support arm ( 12 ) through and with an edge area ( 20 ) circumferentially supported on the receiving element ( 14 ), the through-opening ( 18 ) to be sealed against an exterior circumferential face ( 22 ) of the support arm ( 12 ), and the edge area ( 20 ) of the cover ( 16 ) sealed against the receiving element ( 14 ); a circumferential sealing element ( 28 ) for placement between the exterior circumferential face ( 22 ) of the support arm ( 12 ) and an interior edge area ( 24 ) of the through-opening ( 18 ) formed out of the cover ( 16 ) supported on the receiving element ( 14 ); and a spacer ( 30 ) arranged on a side of the cover ( 16 ) facing the receiving element ( 14 ) axially fixing the circumferential sealing element ( 28 ) against the interior edge area ( 24 ) of the through opening ( 18 of the cover ( 16 ), the spacer including a central through-opening ( 32 ) for leading the support arm ( 12 ) through and which is supported on the receiving element ( 14 ).