Emergency cut off device

Claim 1

A safety switch for a motor vehicle, comprising: an enclosure, said enclosure comprising first and second switch terminal pair means, said first switch terminal pair means connected to first electrical circuit means, said first electrical circuit means disabling operation of the motor of said motor vehicle, and second switch terminal pair means connected to second electrical circuit means, said second electrical circuit means activating a sensory alarm means; switch contactor means mounted in said enclosure for movement between a first position in which said switch contactor means electrically connects said first switch terminal pair means, and a second position in which said switch contactor means electrically connects said second switch terminal pair means; biasing means for continuously biasing said switch contactor means into said second position; displaceable holding means for maintaining said switch contactor means in said first position; whereby said motor will operate and said sensory alarm means will be deactivated; means for attaching the displaceable holding means to a driver; said displaceable holding means being displaced upon movement of said attachment means when said attachment means detects an abnormal condition of the driver; whereby said biasing means biases said switch contactor means into said second position, said first electrical circuit means is opened thereby disabling operation of said motor, and said second circuit means is closed thereby causing actuation of said sensory alarm means.