Recorder marker and marker operator

Claim 1

IN A STRIP-CHART RECORDER INCLUDING A FRAME, SAID FRAME HAVING MEANS FOR SUPPORTING THEREON A SUPPLY ROLL, A TAKE-UP ROLL, AND A DRIVE ROLL FOR A CHART, THE SUBCOMBINATION OF A MARKER ASSEMBLY INCLUDING MARKER MEANS ENGAGEABLE WITH THE CHART TO PROVIDE A RECORD THEREON, A CARRIAGE FOR SUPPORTING SAID MARKER ASSEMBLY, MEANS EXTENDING TRANSVERSELY OF THE CHART FOR PIVOTALLY AND SLIDEABLY SUPPORTING SAID CARRIAGE, MEANS INCLUDING A SWINGABLE FRAME FOR ROTATING SAID CARRIAGE AND THEREBY THE MARKER MEANS OF SAID MARKER ASSEMBLY INTO AND OUT OF ENGAGEMENT WITH THE CHART, A HOUSING FOR SAID RECORDER, MEANS FOR SUPPORTING SAID FRAME FOR SLIDEABLE MOVEMENT OF SAID RECORDER INTO AND OUT OF SAID HOUSING, AND MEANS SUPPORTED BY SAID HOUSING AND COACTING WITH SAID SWINGABLE FRAME TO MOVE SAID CARRIAGE AND THEREBY MOVE SAID MARKER MEANS INTO ENGAGEMENT WITH SAID CHART UPON MOVEMENT OF SAID RECORDER INTO SAID HOUSING.