Patent ID: 8840205

Claim:
A refrigerator appliance, the refrigerator appliance defining a vertical direction, a lateral direction, and a transverse direction, the vertical, lateral, and transverse directions being mutually perpendicular, the refrigerator appliance comprising: a cabinet that defines a chilled chamber for receipt of food items for storage, said cabinet extending between a front portion and a back portion along the lateral direction, said cabinet having a back wall positioned at the back portion of said cabinet and defining an opening for accessing the chilled chamber of said cabinet at the front portion of said cabinet; and a shelf assembly positioned within the chilled chamber of said cabinet, said shelf assembly comprising a pair of brackets mounted to said cabinet at the back wall of said cabinet, said pair of brackets spaced apart from each other along the transverse direction; a fixed shelf mounted to said pair of brackets, said fixed shelf having a pair of guides that extend along the lateral direction, each guide of the pair of guides positioned at a respective one of said pair of brackets, each guide of the pair of guides defining a first channel and a second channel on opposite transverse sides of the guide, each guide of the pair of guides also defining a slot that extends between and connects the first and second channels along the transverse direction; and a movable shelf slidably mounted to said fixed shelf, said movable shelf having a pair of bosses, each boss of the pair of bosses received within a respective slot of the pair of guides, each boss of the pair of bosses also having a first locking portion and a second locking portion, each first locking portion of the pair of bosses positioned within a respective first channel of the pair of guides and engaging said fixed shelf at the respective first channel of the pair of guides, each second locking portion of the pair of bosses positioned within a respective second channel of the pair of guides and engaging said fixed shelf at the respective second channel of the pair of guides.