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US 5,667,714 AGranted
Microwave oven having vertically reciprocable turn table
AssigneeSamsung Electronics Co., Ltd.
InventorByung-Jae Cho
Life of this patent
Estimating the term…
Abstract
A microwave oven includes a turntable rotatable about a vertical axis. A drive mechanism rotates the turntable while moving it up and down to accomplish a more uniform cooking. The drive mechanism includes a stationary cam, and a rotatable cam seated on the stationary cam and rotated by a motor. As the rotatable cam rotates upon the stationary cam, it moves up and down and moves the turntable up and down.
Claims8
A microwave oven comprising:
- a body forming a cooking chamber;
- a turntable disposed above a floor of the cooking chamber and being mounted for rotation about a vertical axis and for up-and-down movement along the vertical axis;
- and
- a drive mechanism disposed beneath the floor and including:
- a motor having a drive shaft extending through the floor along the vertical axis, the drive shaft including an upper end connected to the turntable for rotating the turntable,
- a first cam having a stationary first cam surface arranged annularly around the vertical axis, and
- a second cam having a second cam surface engaging the first cam surface, the second cam surface being annularly arranged around the vertical axis;
- the turntable and second cam being operatively connected to the drive shaft to be rotated thereby, and being movable up-and-down relative to the drive shaft as the second cam surface rotates relative to the first cam surface.
5 more elements
Dependencies are inferred from the claim text.