Power operated chart storage means

Claim 1

A CHART TABLE ATTACHMENT COMPRISING A FLAT BASE PANEL FOR MOUNTING ON THE UNDERNEATH SIDE OF A CHART TABLE OVER WHICH A STRIP MAP IS SUPPORTED, A PAIR OF REELING AND STORING SPOOLS, MEANS MOUNTING SAID SPOOLS IN PARALLEL RELATIONSHIP ON SAID PANEL, SAID MEANS COMPRISING TWO PAIRS OF BRACKETS SECURED TO AND DEPENDING FROM SAID PANEL, EACH SPOOL BEING SUPPORTED BY ONE OF SAID PAIRS OF BRACKETS, DRIVEN ELEMENTS FIXED TO LIKE ENDS OF EACH SPOOL, A SHAFT, MEANS ROCKABLY MOUNTING SAID SHAFT BETWEEN THE SPOOLS, SAID MEANS COMPRISING BRACKET MEMBERS SECURED TO AND DEPENDING FROM THE PANEL, A REVERSIBLE-TYPE ELECTRIC MOTOR FIXED ON AND DEPENDING FROM SAID SHAFT AND BODILY ROCKABLE THEREWITH, SAID MOTOR BEING IN SUBSTANTIALLY THE SAME HORIZONTAL PLANE AS SAID SPOOLS, SAID MOTOR HAVING AN AXIAL DRIVE SHAFT CARRYING A DRIVE ELEMENT, IDLER SHEAVES MOUNTED ON SAID PANEL AND POSITIONED BETWEEN THE DRIVE AND DRIVEN ELEMENTS FOR SELECTIVELY TRANSFERRING MOTION FROM THE DRIVE ELEMENT TO EITHER ONE OF THE DRIVEN ELEMENTS, SPRING MEANS SECURED TO AND BETWEEN THE MOTOR CASING AND THE PANEL SERVING TO NORMALLY MAINTAIN THE MOTOR IN A NEUTRAL POSITION BETWEEN THE IDLER SHEAVES, AND A PAIR OF OPPOSITELY EXTENDING SELECTIVELY USABLE LEVERS ON SAID SHAFT, SAID LEVERS ACTUATABLE TO ROCK THE SHAFT SO AS TO SELECTIVELY ENGAGE ONE OF SAID IDLER SHEAVES FOR THE DRIVING OF THE ADJOINING SPOOL.