US Patent 7802856 Drawer slide with push-latch device

A drawer slide includes an outer slide, an inner slide moveable relative to the outer slide between a closed position and an extended position, a first engagement member, a second engagement member moveable by engagement with the first engagement member between a latched position to latch the inner slide in the closed position and an unlatched position disengaged from the second engagement member, and a first spring coupled to any one of the outer slide and the inner slide and configured to bias the inner slide to the extended position when the inner slide is proximate to the closed position.