Patent ID: 8794722

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 housing defining a chilled chamber; a drawer assembly positioned within the chilled chamber of said housing, said drawer assembly comprising a container defining a storage volume for receipt of food items for storage, said container having a bottom wall; a linkage assembly positioned below the bottom wall of said container along the vertical direction, said container supported by said linkage assembly such that said container is moveable along the transverse direction on said linkage assembly into and out of the chilled chamber of said housing, said linkage assembly comprising a pair of fixed link arms spaced apart from one another along the lateral direction, each fixed link arm of said pair of fixed link arms extending between a first end portion and a second end portion, the first end portions of said pair of fixed link arms rotatably mounted to said housing; a pair of mobile link arms spaced apart from one another along the lateral direction, each mobile link arm of said pair of mobile link arms extending between a first end portion and a second end portion, each first end portion of said pair of mobile link arms rotatably mounted to a respective second end portion of said pair of fixed link arms; and a connecting link extending between and coupling the second end portions of said pair of mobile link arms together an anti-racking mechanism mounted to said housing below the bottom wall of said container and configured for assisting said pair of fixed link arms with rotating at a common angular velocity; wherein said anti-racking mechanism comprises: a pair of tracks mounted to said housing at opposing sides of said housing such that said pair of tracks are spaced apart from one another along the lateral direction, said pair of tracks extending longitudinally along the transverse direction; a pair of gears, each gear of said pair of gears engaging a respective one of said pair of tracks; and a shaft extending between and coupling said pair of gears together.