Patent ID: 7981197
Filing Date: 2011-07-19
Classification: B01D,B05B,Y10S

Abstract:
1. A filter assembly, comprising a filter bowl adapted to be quickly, easily, and entirely removed from a filter cover, while fasteners, mounting the filter bowl upon the filter cover, remain mounted upon the filter bowl, when the fasteners are disposed in a loosened state, so as to permit personnel access to the filter element in order to replace the same, comprising: a filter bowl, defined around an axis, for enclosing the filter element, and having a plurality of threaded bores defined therein; a filter cover, also defined around said axis, to which said filter bowl is to be secured and for covering said filter bowl within which the filter element is disposed; a plurality of bolt fasteners, comprising threaded shank portions and head portions, threadedly engaged within said threaded bores of said filter bowl such that said head portions project away from said filter bowl; and a plurality of key-hole slots defined within said filter cover and having structurally associated therewith a plurality of axially recessed ledge portions wherein each one of said head portions of said fasteners will be respectively engaged within each one of said axially recessed ledge portions of said key-hole slots when said plurality of fasteners are tightened so as to fixedly secure said filter bowl upon said filter cover, whereas when said plurality of fasteners are loosened such that said head portions of said plurality of fasteners are respectively axially disengaged from said axially recessed ledge portions, said fasteners can then be respectively moved through said key-hole slots so as to permit said filter bowl to be removed from said filter cover.