Antenna drive mechanism and microwave heating device

Abstract

An antenna drive mechanism includes an antenna shaft that supports a rotating antenna; a motor shaft that is rotationally driven in a first rotation direction or a second rotation direction; a first rotation restriction, and a second rotation restriction, wherein in a state where rotation restriction by the first rotation restriction part is exerted, the antenna shaft relatively moves along an axial direction from a first position where the rotation restriction is exerted to a second position where the rotation restriction is released, in response to rotation of the motor shaft in the first rotation direction, and in a state where rotation restriction by the second rotation restriction part is exerted, the antenna shaft relatively moves along the axial direction from the second position where the rotation restriction is exerted to the first position where the rotation restriction is released, in response to rotation of the motor shaft in the second rotation direction.

Dependencies are inferred from the claim text.