Driving apparatus for telescopic antenna and overload prevention clutch mechanism applicable to the same

摘要

A driving apparatus for telescopic antenna, including an electric motor, a driving clutch member connected to the motor to be rotated by the motor, a driven clutch member opposite to the driving clutch member to define a viscous fluid containing space in association with the driving clutch member and connected to a telescopic antenna to extend and contract the telescopic antenna, and a viscous fluid contained in the viscous fluid containing space.