Patent ID: 7331275

Claim:
A brake booster apparatus, said apparatus comprising: a housing, said housing having a first wall and an oppositely disposed second wall, said housing further defining at least one chamber disposed between said first and second walls; a first connector disposed on said first wall and including a longitudinally inwardly projecting portion; a second connector disposed on said second wall and including a longitudinally inwardly projecting portion; an elongate hollow member having opposing ends and defining a longitudinal axis and first and second radially outwardly opening annular recesses, said first and second annular recesses each disposed proximate a respective one of said opposing ends of said hollow member, said hollow member further comprising longitudinally outwardly facing first and second abutment surfaces disposed proximate and longitudinally inwardly of said first and second annular recesses respectively, said hollow member being engaged with each of said first and second connectors, said engagements between said hollow member and said first and second connectors each being a deformational engagement that mechanically attaches and sealingly engages said hollow member with each of said first and second connectors; said hollow member further defining a passage through said apparatus from said first wall to said second wall, wherein said longitudinally inwardly projecting portions of each of said first and second connectors are engaged with said first and second abutment surfaces respectively, said longitudinally inwardly projecting portions being deformed radially inwardly into said first and second annular recesses respectively and forming therein a mechanical attachment and seal between said first and second connectors and said hollow member.