US Patent 11927389 Refrigerator appliance having a weight-detecting shelf assembly

A refrigerator appliance may include a cabinet, a door, an image module, and a shelf assembly. The cabinet may define a chilled chamber. The door may be rotatably hinged to the cabinet to provide selective access to the chilled chamber. The image module may be mounted to the cabinet. The shelf assembly may be disposed below the image module within the chilled chamber. The shelf assembly may include a support panel attached to the cabinet, a first shelf attached to the support panel, a second shelf attached to the support panel and spaced apart from the first shelf, and a weight sensor mounted on the support panel to detect stored mass at the first shelf and the second shelf.