Device for selectively or concurrently controlling a plurality of actuators

Claim 1

IN COMBINATION, A BODY HAVING A SPHERICAL SURFACE, A SHAFT CARRIED BY A PIVOT POINT ON THE BODY AND MANUALLY ROCKABLE RELATIVE TO THE PIVOT POINT CONCENTRIC WITH SAID SURFACE TO PERFORM A SELECTABLE CONTROL OPERATION AND PROJECTING THROUGH AN OPENING IN SAID SURFACE, MEANS RESILENTLY BIASING SAID SHAFT TO A NORMAL POSITION WITHIN SAID OPENING, DETENT MEANS PROJECTING OUTWARDLY FROM SAID SURFACE ADJACENT SAID OPENING AND AT A POINT REMOTE FROM THE NORMAL POSITION OF SAID SHAFT, A SLIDER AXIALLY SLIDABLE ON THE SHAFT AND HAVING A CONCAVE SURFACE WITH A GROOVE FORMED THEREIN FOR SELECTIVELY FIXING THE SLIDER TO THE SHAFT IN ONE OR THE OTHER OF TWO ROTATIVE POSITIONS OF SAID SLIDER WITH RESPECT TO SAID SHAFT, SAID SLIDER BEING DISPOSED WHEN IN SAID ONE ROTATIVE POSITION TO PERMIT AND WHEN IN THE OTHER ROTATIVE POSITION TO PREVENT ENTRY OF SAID DETENT MEANS INTO SAID GROOVE, AND A SPRING ACTING ON SAID SLIDER TO BIAS ITS CONCAVE SURFACE TOWARD SAID SPHERICAL SURFACE, SAID SPRING BEING OF SUFFICIENT FORCE TO OVERCOME THE ACTION OF SAID BIASING MEANS AND FUNCTIONALLY PREVENT RETURN OF THE SHAFT TO NORMAL POSITION IF MANUAL FORCE IS REMOVED FROM SAID SHAFT AT A TIME WHEN SAID DETENT MEANS PROJECTS INTO SAID GROOVE.