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A pierced metal speaker cover grille has a series of tabs extending away from the turned edge of a front cover portion, an outwardly inclined cutout section formed on each tab. The inclined cutout sections cam each associated tab inwardly as it is advanced into an aligned slot in the mounting panel,

A pierced metal speaker cover grille has a series of tabs extending away from the turned edge of a front cover portion, an outwardly inclined cutout section formed on each tab. The inclined cutout sections cam each associated tab inwardly as it is advanced into an aligned slot in the mounting panel, and lock behind the rear edge to secure the cover grille in place.

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In combination, a speaker cover grille and a trim piece, said speaker cover grille covering an opening in said trim piece behind which a speaker assembly is adapted to be mounted, said cover grille: comprised of a formed sheet of pierced sheet metal completely covered with a pattern of through holes

In combination, a speaker cover grille and a trim piece, said speaker cover grille covering an opening in said trim piece behind which a speaker assembly is adapted to be mounted, said cover grille: comprised of a formed sheet of pierced sheet metal completely covered with a pattern of through holes to create an open area allowing transmission of sound therethrough, said cover grille having a central generally planar front portion and an integral formed turned edge extending rearwardly about a perimeter of said generally planar front portion; said cover grille having at least one generally planar tab integrally formed along one side from said formed turned edge of pierced metal, said tab extending away from said formed edge in a direction generally normal to said central generally planar portion of said cover grille, and having a cutout portion projecting outwardly from remaining portions of said tab, said cutout portion having a first side joined to said tab remaining portions at a location adjacent an outboard end of said tab remote from said one side of said tab; said trim piece formed with a first surface adjacent said trim piece opening, said turned edge of said speaker cover grille abutting said surface, said trim piece also formed with a slot allowing said at least one tab to move past said trim piece first surface, and an edge of said trim piece slot engaged by a first part of said outwardly inclined cutout portion of said tab to cause said cutout portion of said tab to be cammed inwardly as said turned edge of said cover grille moves towards abutment with said trim piece first surface; said tab cutout portion having a second part engaging said trim piece on a second surface located past said slot to retain said cover grille after said tab is inserted in said slot.