Patent · US Expired

Shelf apparatus for a refrigerator

US5199778A · kind A · utility

72Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1991
Grant dateApr 6, 1993
Priority date
Expiry dateJan 17, 2011

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D2500/02
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The present invention relates to a shelf appartus for a refrigerator which raises and lowers a refrigerator's food storage shelves in an analog manner, making it possible to determine the positions of the shelves largely in accordance with the size of food items stored inside the refrigerator. More particularly, racks are provided on the left and right sides of the refrigerator's interior, gears which engage these racks are provided on the shelves of the refrigerator, and the food storage shelves are raised and lowered by rotating these gears.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.