Drawer construction

Claim 1

IN COMBINATION: A DRAWER HAVING A QUADRILATERAL BOTTOM WALL WITH TWO SUBSTANTIALLY PARALLEL SIDE MEMBERS, A FRONT MEMBER AND A REAR MEMBER RISING THEREFROM TO FORM A DRAWER SPACE; A QUADRILATERAL PERFORATED SHEET SHAPED TO FIT SAID DRAWER SPACE, SAID PERFORATED SHEET HAVING A FRONT EDGE TERMINATING SHORT OF SAID FRONT WALL TO PROVIDE A LATERAL ZONE THEREBETWEEN IN THE FRONT OF SAID DRAWER SPACE; MEANS FOR SUPPORTING SAID PERFORATED SHEET ABOVE SAID BOTTOM WALL TO FORM A SHALLOW DUST SPACE THEREBETWEEN; AND A TRAY IN SAID LATERAL ZONE, SAID TRAY INCLUDING A TROUGH-SHAPED BOTTOM WALL FORMED OF SHEET MATERIAL AND TRAY-SUPPORT MEANS FOR SUPPORTING SAID TROUGH-SHAPED WALL ABOVE SAID BOTTOM WALL OF SAID DRAWER TO FORM AN AUXILIARY DUST SPACE THEREBETWEEN, AT LEAST THE BOTTOM PORTION OF SAID TROUGH-SHAPED BOTTOM WALL BEING PERFORATED TO PROVIDE PERFORATIONS THAT OPEN DOWNWARDLY ON SAID AUXILIARY DUST SPACE.