Patent ID: 6235073
Filing Date: 2001-05-22
Classification: B01D

Abstract:
A filter housing for a filter element, comprising a base having a tower extending axially along an axis away from said base, said tower having an axially extending bore therein, said bore being defined by an inner sidewall having fist and second abutments axially spaced from each other and facing axially in opposite directions, a cover mounted to said base by a fastener applying an axial compression force for holding said filter element between said cover and said base, said fastener extending axially in said bore and having a first axial end secured to said tower in snap fit relation in said bore and having a second distally opposite axial end ending beyond said bore for securing said cover to said base, said first axial end having an outer perimeter complementally shaped to said inner sidewall of said bore and received in said bore in keyed relation to prevent rotation of said fastener about said axis, said first axial end having first and second shoulders facing axially in opposite directions, said first and second shoulders being axially spaced from each other by a first axial dimension along said outer perimeter of said first axial end of said fastener, said first and second abutments being axially spaced from each other by a second axial dimension along said inner sidewall of said bore, said second axial dimension along said inner sidewall of said bore being greater than or equal to said first axial dimension along said outer perimeter of said first axial end of said fastener.