Device for linearly moving tray in microwave oven
US6452143B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 20, 2001 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Aug 20, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6411
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A driving mechanism for linearly and reciprocatingly moving items in a heating chamber of a microwave oven is provided. The driving mechanism includes a rectangular tray for loading thereon an item to be heated within a heating chamber and a driving motor for generating a rotational force. A cam is provided for converting the rotational motion of the driving motor into a linear and reciprocating motion of the tray. The driving mechanism also includes a roller assembly mounted between the bottom of the heating chamber and the tray, the roller assembly including rollers for supporting the tray so as to linearly and reciprocatingly move the tray. Convex portions are formed on the bottom surface of the heating chamber on which the rollers move, and the tray can move in the vertical direction by means of the rollers passing over the convex portions. By moving the item both horizontally and vertically, the item can be uniformly heated, and the space within the heating chamber can be more efficiently used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.