Self contained head mountable sleep inhibiting device

Claim 1

A sleep inhibiting device comprising: a rectangular housing provided with a clamp hingedly mounted along one of its edges, said clamp comprising an L-shaped configuration having one leg lying along one surface of said housing and the other leg lying along another surface of said housing, a spring mounted on said housing between one of said legs of said clamp and the outer surface of said housing for biasing one leg of said clamp toward said housing and the other leg of said clamp away from said housing, said one leg being adapted to receive and hold between it and the outer surface of said housing an object worn by the user of said device, an alarm means mounted in said housing, battery means mounted in said housing, an electric circuit interconnecting said alarm means in series with said battery means through an on-off switch and an independently adjustable mercury switch, said mercury switch comprising a switch housing for forward and rearward angular movement for opening and closing a circuit therein to energize and deenergize said alarm means when said on-off switch is in its on position, and knob means mounted on the outside of said housing of the device for adjusting the position of said switch housing relative to said housing of the device, whereby nodding of the user's head will complete the circuit in said mercury switch and energize said alarm means to awaken the user.