To securely transmit an optical signal to a light receiving device which forms a pair with a light emission device from the light emission device even when vibration occurs during running of a car to receive image in the car on a machine room side in a stable condition.
This car crime prevention device for the elevator is provided with the light emission device 4 for converting a picture signal of a camera 6 provided in the car 2 of the elevator into an optical signal in the car 2 and the light receiving device 5 receiving the optical signal from the light emission device 4 on the machine room 11 side. A semi-circular weight 13 arranging center of gravity at the center on a bottom face is attached to a lower part of the light emission device 4 for the light emission device 4 to arrange between a bracket 9 having a semi-circular receive base larger than the semi-circular weight 13 arranged in an upper part of the car 2 and it through a spherical aligning roller 14. When vibration occurs during running of the car 2, displacement of an optical axis of the optical signal f to the light receiving device 5 which forms the pair with the light emission device 4 from the light emission device 4 is suppressed.
Kazuo Kobayashi
Ichiro Suzuki
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