Refrigerator appliance and variable shelf assembly

A refrigerator appliance and variable shelf assembly are generally provided herein. The variable shelf assembly may be mounted within the refrigerator appliance and include a stationary support screw extending along a movement axis, a mated screw, a shelving bracket, and a bi-directional ratchet gea...

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Bibliographic Details
Main Authors Chellappan, Bagawathkumar, Abeygunawardana, Danister
Format Patent
LanguageEnglish
Published 11.06.2019
Subjects
BLASTING
CABINETS
COFFEE MILLS
COLD ROOMS
COMBINED HEATING AND REFRIGERATION SYSTEMS
COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS
DESKS
DOMESTIC ARTICLES OR APPLIANCES
DRAWERS
FURNITURE
GENERAL DETAILS OF FURNITURE
HEAT PUMP SYSTEMS
HEATING
HUMAN NECESSITIES
ICE-BOXES
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
OFFICE FURNITURE
REFRIGERATION OR COOLING
REFRIGERATORS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TABLES
WEAPONS
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Summary:A refrigerator appliance and variable shelf assembly are generally provided herein. The variable shelf assembly may be mounted within the refrigerator appliance and include a stationary support screw extending along a movement axis, a mated screw, a shelving bracket, and a bi-directional ratchet gear. The mated screw may include an interior surface and an exterior surface. The interior surface may be rototranslatably mounted on the stationary support screw to rotate about the movement axis during translation therealong. The mated screw may be coaxial with the stationary support screw. The shelving bracket may be coupled to the mated screw. The shelving bracket may be rotationally fixed to translate along the movement axis. The bi-directional ratchet gear may be operably coupled to the mated screw to motivate rototranslation of the mated screw.
Bibliography:Application Number: US201715451528