Mounting means for trim plate of panelboard

Claim 1

A panelboard including a relatively shallow rectangular enclosure having an open front; interior means having circuit protector energizing elements; said interior means mounted within said enclosure and secured to the rear wall thereof; said interior means including a removable front plate through which handles of circuit breakers mounted to said interior means extend for manual operation thereof; a trim plate having a front wall with an interior opening; said opening being smaller than said open front and in general alignment therewith, whereby circuit breaker handles extending through said front plate are accessible for operation when said trim plate is in its operative position; said trim plate extending beyond all four sides of said enclosure; mounting means for securing said trim plate to said enclosure at the front thereof; said mounting means including holding means mounted within said enclosure; said holding means including at least one elongated deflectable rail element, biasing means urging said rail element toward a holding position; elongated holding means on said trim plate engageable by said holding means, and said rail element in particular, when the latter is in said holding position, with said rail element being parallel to said elongated holding means; adjustable means accessible from inside said enclosure with said holding means and said elongated holding means engaged to selectively move said rail toward and away from said rear wall thereby operating said trim plate toward and away from said rear wall as required for installation and disasSembly of the trim plate from the enclosure; said adjustable means being accessible for operation through said opening in said trim plate.