Patent ID: 8448763

Claim:
A housing-piston assembly for a coupling device, comprising a housing ( 2 ); connecting elements ( 6 ); a piston ( 4 ) attached to said housing ( 2 ) by means of said connecting elements ( 8 ) in such a way that said piston has a certain freedom of movement; rivets ( 10 , 12 ) having a set head and serving as fastening elements between one of said piston ( 4 ) and said connecting elements ( 8 ), and between said connecting elements ( 8 ) and said housing ( 2 ); and at least one support element ( 10 , 36 , 70 , 86 ) including an anvil section ( 18 , 44 , 74 , 92 ); said at least one support element ( 20 , 36 , 70 , 86 ) positionable in a riveting position between one of said piston ( 4 ) and said connecting elements ( 8 ), and between said connecting elements ( 8 ) and said housing ( 2 ) in such a way that said anvil section ( 18 , 44 , 74 , 92 ) of said support element ( 20 , 36 , 70 , 86 ) lies behind said set head ( 14 ) of said rivet ( 10 , 12 ), wherein said support element remains in said housing-piston assembly after riveting and can be positioned in a release position in such a way that said anvil section of said support element does not interfere with a movement of said piston.