Patent ID: 9146052
Filing Date: 2015-09-29
Classification: A47B,F16H,F25D

Abstract:
1. A refrigerator comprising: a main body having a storage chamber; a door slidably mounted to the main body; a first storage unit movable in association with closing and opening operations of the door, each of side walls of the first storage unit having a first roller supporting surface; and a second storage unit having first roller members mounted to a front region of the second storage unit, the first roller members being seated on the first roller supporting surfaces of the first storage unit to enable rolling movement thereof, a protrusion extending downwardly from a bottom surface of the second storage unit into the first storage unit, a lateral surface of the protrusion being configured to contact an interior surface of the first storage unit to prevent the first roller members from laterally leaving the first roller supporting surfaces, and second roller members provided on both sides of the second storage unit to move along guide surfaces provided on an interior of the storage chamber as the second storage unit is being inserted and withdrawn, the second roller members being configured to support a rear region of the second storage unit, wherein a rear region of the first roller supporting surfaces of the side walls of the first storage unit includes a stopper member, the stopper member being positioned on the first roller supporting surfaces such that the stopper member is spaced a predetermined distance from the respective first roller member when the door is in a closed position.