Patent ID: 8348541

Claim:
A joint arrangement for a vehicle, comprising: a ball and socket joint including a joint housing and a pivot pin, said pivot pin being movable with respect to said joint housing, said joint housing comprising a joint housing pin, said joint housing pin having a surface defining at least a portion of an axially extending groove, said joint housing comprising a joint housing radial shoulder portion; a rod having a cavity and an annular surface, said rod being connected to said ball and socket joint; a ring element arranged between said ball and socket joint and said rod, said ring element having at least one radial groove and a ring element radial shoulder portion, said ring element having an outer ring element surface, said outer ring element surface being in contact with said joint housing; a sealing bellows defining an interior space, said ball and socket joint being arranged at least partially in said interior space; and a gas-permeable connection connecting said cavity of said rod to said interior space of said sealing bellows, at least a portion of said gas-permeable connection being formed by said at least one radial groove, said at least one groove being in communication with said interior space of said sealing bellows, said at least one radial groove being defined between said pin and at least a portion of said ring element radial shoulder portion, said at least one radial groove opening into said interior space at a radial position located outside said annular surface, wherein a fluid flow path is defined by said cavity, said at least one radial groove and said axially extending groove.