Control device

Claim 1

A CONTROL DEVICE FOR PROVIDING A LARGE ACTUATING FORCE IN RESPONSE TO A SMALL TRIGGERING FORCE COMPRISING, IN COMBINATION: A HOUSING; A ACTUATING ROD HAVING A LOWER END PROTRUDING FROM THE LOWER END OF SAID HOUSING; A COMPRESSION SPRING BIASING SAID ACTUATING ROD FROM A RAISED SET POSITION TO A LOWERED RELEASED POSITION TO PROVIDE SAID LARGE ACTUATING FORCE, THE UPPER END OF SAID ROD TERMINATING A COUPLING EYE WITHIN SAID HOUSING, SAID COUPLING EYE HAVING A CENTRAL CIRCULAR OPENING; A DISC RECEIVED WITHIN SAID CIRCULAR OPENING AND HAVING A LATCH ARM EXTENDING RADIALLY THEREFROM; A SHAFT ECCENTRICALLY SECURED TO SAID DISC AND MOUNTED TO SAID HOUSING FOR ROTATION ABOUT AN HORIZONTAL AXIS SO THAT ROTATION OF SAID SHAFT FROM A FIRST POSITION IN WHICH THE CENTER OF SAID DISC IS BELOW SAID SHAFT TO A SECOND POSITION IN WHICH THE CENTER OF SAID DISC IS ABOVE SAID SHAFT, MOVES SAID ACTUATING ROD FROM ITS RELEASED POSITION TO ITS SET POSITION TO COMPRESS SAID COMPRESSION SPRING; A LATCH LEVER PIVOTED INTERMEDIATE ITS ENDS IN SAID HOUSING AND INCLUDING AT ONE END SPACED PROJECTIONS POSITIONED ON OPPOSITE SIDES OF SAID LATCH ARM TO HOLD SAID SHAFT AND DISC IN SAID SECOND POSITION; BIASING MEANS BIASING SAID LATCH LEVER IN A DIRECTION TO MOVE SAID PROJECTIONS FROM SAID LATCH ARM; AND TRIGGER MEANS ENGAGING THE OTHER END OF SAID LATCH LEVER TO BLOCK PIVOTING MOVEMENT THEREOF AND RESPONSIVE TO SAID TRIGGERING FORCE TO DISENGAGE SAID LATCH LEVER SO THAT ROTATION OF SAID LATCH LEVER BY SAID BIASING MEANS MOVES ONE OF SAID PROJECTIONS POSITIVELY AGAINST SAID LATCH ARM TO START ROTATION OF SAID LATCH ARM AND DISC SO THAT SAID COMPRESSION SPRING MOVES SAID ACTUATING ROD FROM ITS SET TO RELEASED POSITION TO PROVIDE SAID LARGE ACUATING FORCE.