Patent ID: 6038815
Filing Date: 2000-03-21
Classification: E05F,E05Y

Abstract:
A gate movement drive comprising a motor unit disposed to be connected to a gate which is pivotal about a rotation axis relative to a stationary fixture, a sensor device for detection of an angle which is a function of the gate position about said rotation axis with respect to the motor unit, said unit comprising a linear movement actuator having its opposite ends pivoted about a pair of supports designed for fastening of the actuator between said stationary fixture and said gate, and said sensor device being interposed between the actuator and one of the supports for detection of the angle of rotation between the actuator and the one support, the sensor device comprising a rotation sensor housed in a container from which projects a shaft for effecting rotation of the sensor, and with the shaft having means of connection to a rotatable pin which rotates through an angle which is a function of the position of the gate, said sensor device including taps projecting from the container to interfere with a rotatable support part of the rotatable pin and making the container non-rotating with respect to said support part.