Directional signaling mechanism for automotive vehicles

In a direction signaling apparatus for a vehicle and having a set of fixed switching contacts disposed for electrically connective cooperation with a set of movable switching contacts carried on a supporting body rotatably movable by a lever, said body being movable in one direction from a neutral position, corresponding to vehicle travel in a straight-ahead direction, to a first limit position, corresponding to vehicle travel in a full right turn direction, and said body being movable in the opposite direction from said neutral position to a second limit position, corresponding to vehicle travel in a full left turn direction, said set of fixed switching contacts and said set of movable switching contacts establishing a right turn indication circuit condition when said body is in said first limit position and establishing a left turn indication circuit condition when said body is in said second limit position, and establishing a non-turn indication circuit condition when said body is in said neutral position;

• signal cancelation means responsive to the movement of a steering member of the vehicle to return said body to its neutral position when said body is in one of said first and second limit positions and the steering member executes a rotary movement in a direction corresponding to a vehicle turn opposite to the turn indication associated with such limit position, and such rotary movement executed is greater than a predetermined response threshold amplitude, the improvement which comprises in combination:
• said set of fixed switching contacts and said set of movable switching contacts being of angular extension and positioned in relation to one another such that a respective right turn, left turn indication circuit condition can be established by a corresponding limited rotation of said body by an amount less than the rotation required to move the body from its neutral position to one of said first and second limit positions, and said signal cancelation means has a response threshold greater than the magnitude of such limited rotation whereby said body can be given such limited rotation in a selected direction to establish a corresponding turn indication circuit condition and the body will not be returned to its neutral position to cancel such circuit condition.