US Patent 10548396 Slide device for movable rack

Provided is a slide device for a movable rack including: a mounting rack to be removably positioned at anyone of a plurality of mounting rail grooves formed in a storage space of a machine body and to support a movable to be pulled/pushed in both a forward/backward direction; a movable rack to be pulled/pushed in the forward/backward direction by a sliding motion on the mounting rack, to load/unload articles; a locking unit positioned in the rear inside the mounting rack, to fix the mounting rack to prevent the mounting rack from moving when the movable rack is pulled out from the mounting rack, wherein the locking unit includes: a locking member including a front to be connected to the mounting rack by a hinge and to pivot upwardly, a rear lower end with a locking groove and a middle lower part with an inclined operation piece; and a spring positioned between the locking member and the mounting rack, to elastically support the locking member; and a contact cap to receive the inclined operation piece of the locking member, to reduce in use any operation noise generated when the movable rack hits the locking member when the movable rack is pushed into the mounting rack.