Patent ID: 7946599

Claim:
An air suspension system comprising: a first air spring assembly including a first piston airbag and a first primary airbag mounted around said first piston airbag such that said first piston airbag provides a rolling surface for said first primary airbag; a second air spring assembly including a second piston airbag and a second primary airbag mounted around said second piston airbag such that said second piston airbag provides a rolling surface for said second primary airbag; a first fluid connection connecting one of said first piston airbag and said first primary airbag of said first air spring assembly to one of said second piston airbag and said second primary airbag of said second air spring assembly; and a second fluid connection connecting the other of said first piston airbag and said first primary airbag of said first air spring to the other of said second piston airbag and said second primary air bag of said second air spring assembly.