Abstract: A sewing machine cabinet for mounting a sewing machine and for housing and storing the machine when not being worked, which provides a drop platform interiorly of the cabinet below the top working surface thereof for lowering the machine into the interior of the cabinet maintaining the sewing machine in an upright position not tilting. The cabinet is well adapted to open-arm sewing machines. A hinged top cover when opened lifts the sewing machine up out of the interior of the cabinet by leverage action on a pivoting link attached to a guided sliding support arm which is attached to drop platform which supports the sewing machine and is guided by a rack. The rack is provided by one or a pair of guide columns. The hinged top cover when opened 180.degree. acts as a brake and lock for the moving drop shelf.

Abstract: A convertible table structure, providing a planar table top adapted, among other things, to support an open-arm or portable type of sewing machine, includes an apertured platform providing the table top and having a platform section fitting the aperture and adapted to mount the sewing machine so it can be lowered to a position wherein its working surface is coplanar with the work top of the platform proper. Link means, such as parallel motion mechanism, attaches the platform section to the platform proper, and means, such as a specially shaped lever rod, is provided for moving the platform section between its coplanar position and a lowered position, as well as for locking the platform section in its coplanar position. Other means are provided for holding such platform section in a selected lowered position. Legs or other suitable structure, such as a cabinet, supports the platform at a convenient working level.