Indicating meter combined with adjustable coupled coils which are selectively decoupled by a pointer supported vane

Claim 1

A CONTROL METER, INCLUDING IN COMBINATION, A METER MOVEMENT AND A SCALE, A METER POINTER SUPPORTED ON AND MOVED BY SAID METER MOVEMENT, SAID METER POINTER INCLUDING A PORTION EXTENDED FORWARDLY FROM SAID METER MOVEMENT AND ADAPTED TO TRANSVERSE AND INDICATE OVER THE FULL SCALE, AND SAID METER POINTER INCLUDING A REARWARDLY EXTENDING PORTION FROM SAID METER MOVEMENT WHICH IS ALIGNED AND MOVABLE WITH SAID FORWARDLY EXTENDING POSITION, A VANE FIXED ON SAID REARWARDLY EXTENDING PORTION AND SAID VANE BEING ELONGATED IN A DIRECTION GENERALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID REARWARDLY AND FORWARDLY EXTENDING PORTIONS OF SAID METER POINTER, AND A SET POINT ARM ASSEMBLY PIVOTALLY MOUNTED AT THE CENTER OF SAID METER MOVEMENT AND INDEPENDENTLY MOVABLE RELATIVE TO SAID METER POINTER, SAID SET POINT ARM ASSEMBLY HAVING A FORWARDLY EXTENDING PORTION TERMINATING ADJACENT SAID SCALE FOR MANUAL ADJUSTMENT TO PREDETERMINED POINTS ON THE SCALE, AND SAID SET POINT ARM ASSEMBLY INCLUDING A REARWARDLY EXTENDING PORTION MOVABLE WITH THE FORWARDLY EXTENDING PORTION THEREOF, SAID REARWARDLY EXTENDING PORTION OF THE SET POINT ARM ASSEMBLY BEING OFFSET WITH RESPECT TO THE LONGITUDINAL AXIS OF THE FORWARDLY EXTENDING PORTION THEREOF, A PAIR OF SPACED ELECTROMAGNETICALLY COUPLED COILS FIXED ON THE REARWARDLY EXTENDING PORTION OF SAID SET POINT ARM ASSEMBLY POSITIONED FOR TRAVEL OF SAID VANE THEREBETWEEN, THE OFFSET OF SAID REARWARDLY EXTENDING PORTION OF SAID SET POINT ARM ASSEMBLY RELATIVE TO THE FORWARDLY EXTENDING PORTION THEREOF AND THE DIMENSIONS OF THE VANE BEING SUCH THAT THE VANE WILL BE POSITIONED BETWEEN AND SHIELDING THE COILS FROM THE TIME THE METER POINTER REACHES AND IS ALIGNED WITH THE FORWARDLY EXTENDING PORTION OF SAID SET POINT ARM ASSEMBLY IN ITS INDICATING TRAVEL OF THE SCALE AND ALSO SAID VANE WILL BE POSITIONED BETWEEN AND SHIELDING BOTH OF SAID COILS DURING ITS INDICATING TRAVEL FROM ITS POSITION IN ALIGNMENT WITH THE SET POINT ARM TO A FULL SCALE INDICATION, WHEREBY A CONTROL FUNCTION IS IN ONE DIRECTION UNTIL THE METER POINTER REACHES AND IS ALIGNED WITH THE FORWARDLY EXTENDING PORTION OF SAID SET POINT ARM ASSEMBLY IN ITS INDICATING TRAVEL OF THE SCALE, AND IS IN THE OPPOSITE CONDITION IN ITS FURTHER TRAVEL OF THE SCALE BEYOND SAID ALIGNED POSITION OF THE METER POINTER WITH THE FORWARDLY EXTENDING PORTION OF SAID SET POINT ARM ASSEMBLY.