Turn signal device having a pair of latches each having two projections engageable with corresponding notches and a latch cam engageable with a release cam

Claim 1

IN A TURN SIGNAL, THE COMBINATION COMPRISING A STEERING SHAFT HAVING A TURN SIGNAL RELEASE CAM, A STATIONARY MEMBER, A ROCK SHAFT JOURNALED THEREIN, A MOVABLE MEMBER MOUNTED ON SAID ROCK SHAFT FOR ROCKING MOVEMENT RELATIVE TO SAID STATIONARY MEMBER, MEANS OPERABLE TO NORMALLY CENTER SAID MOVABLE MEMBER RELATIVE TO SAID STATIONARY MEMBER, A FIRST MEANS FOR LATCHING SAID MOVABLE MEMBER IN A ROCKED POSITION IN EITHER DIRECTION FROM CENTERED POSITION AND A SECOND MEANS OPERABLE BY STEERING SHAFT ROTATION TO RELEASE SAID FIRST MEANS, SAID FIRST MEANS COMPRISING A PAIR OF LATCHES, ONE OF SAID MEMBERS HAVING FIRST AND SECOND NOTCHES FOR EACH OF SAID LATCHES, EACH LATCH HAVING FIRST AND SECOND PROJECTIONS RECEIVED IN SAID FIRST AND SECOND NOTCHES, MEANS BIASING SAID PROJECTIONS TOWARD THE BOTTOMS OF SAID NOTCHES, THE OTHER OF SAID MEMBERS HAVING A CAM FOR EACH OF SAID SECOND PROJECTIONS WHICH NORMALLY HOLD THEN SPACED FROM THE BOTTOMS OF SAID SEOND NOTCHES, EACH OF SAID CAM HAVING A CAM NOTCH FOR RECEING SAID SECOND PROJECTION UNDER ACTION OF SAID MEANS OPERABLE TO NORMALLY CENTER SAID MOVABLE MEMBER RELATIVE TO SADI STATIONARY MEMBER, ONE WHEN THE MOVABLE MEMBER IS ROCKED IN ONE DIRECTION AND THE OTHER WHEN THE MOVABLE MEMBER IS ROCKED IN THE OTHER DIRECTION, SAID SECOND MEANS COMPRISING EACH OF SAID LATCHES HAVING A CAM NORMALLY CLEAR OF THE TURN SIGNAL RELEASE CASM OF THE STEERING SHAFT AND POSITIONED IN THE PATH THEREOF WHEN SAID SECOND PROJECTION IS RECEIVED IN A CAM NOTCH, SAID TURN SIGNAL RELEASE CAM ENGAGING SAID LATCH CAM WHEN ROTATED IN THE DIRECTION SIGNALED TO PIVOT SAID LATCH IN ONE DIRECTION ABOUT ITS SECOND PROJECTION IN THE CAM NOTCH OF SAID OTHER MENBER AND PASS BY THE LATCH WITHOUT RELEASING THE SAME, AND SAID TURN SIGNAL RELEASE CAM ENGAGING SAID LATCH CAM WHEN ROTATING IN THE RETURN DIRECTION TO PIVOT SAID LATCH IN THE OPPOSITE DIRECTION ABOUT ITS FIRST PROJECTION IN ITS FIRST NOTCH OF SAID ONE MEMBER AND THEREBY RELEASE SAID SECOND PROJECTION THEREOF FROM THE CAM NOTCH IN WHICH IT WAS RECEIVED TO PERMIT SAID MOVABLE MEMBER TO RETURN TO CENTERED POSITION.