Patent ID: 9683775
Date: 2017-06-20
CPC Classifications: F16H,F25D

Claim:
1. A refrigerator comprising: a cabinet having a storage chamber therein; a pair of guide members respectively mounted to opposite sides of the storage chamber, each of the guide members including a guide hole at a side wall of the guide member, and a guide groove at an inner surface of the guide member, wherein the guide hole to be vertically elongate, and the guide groove to be vertically elongate; a shelf mounted at the guide members, the shelf to be vertically movable; a pair of switch members respectively mounted at opposite sides of the shelf, to be movable in a forward direction and a rearward direction, each of the switch members including a body, and a protrusion protruding from an outer surface of the body, each protrusion to be guided along the guide groove of a corresponding one of the guide members; a rotating shaft rotatably mounted beneath the shelf, the rotating shaft to be guided along the guide holes of the guide members; pinions respectively provided at opposite ends of the rotating shaft, the pinions to rotate with the rotating shaft; rack gears vertically mounted at outer surfaces of the guide members, the rack gears to be coupled to the pinions, respectively; and a connecting device to provide a force to vertically move a front half portion of the shelf to a rear half portion of the shelf such that the shelf is vertically movable while being maintained in a horizontal state.