Vegetable produce cooler

Claim 1

A VACCUM REFRIGERATION APPARATUS FOR VEGETABLE PRODUCE COMPRISING AN ELONGATED CYLINDRICAL CHAMBER OF HERMETIC CONSTRUCTION; (A) MEANS SUPPORTING SAID CHAMBER WITH ITS MAJOR AXIS EXTENDING HORIZONTALLY; (B) A FIXED CLOSURE AT EITHER OF THE SAID CHAMBER; (C) AN OPENING IN THE SIDE WALL OF SAID CHAMBER EXTENDING ESSENTIALLY FROM ONE END OF SAID CHAMBER TO THE OTHER INTERMEDIATE THE SAID FIXED CLOSURES AT EITHER END THEREOF; (D) A DOOR EXTENDING BETWEEN THE SAID ENDS OF THE SAID CHAMBER COVERING THE ENTIRE SIDE WALL THEREOF WHEN IN PLACE ON THE SAID CHAMBER OVER THE SAID OPENING; (E) MEANS SUPPORTING SAID DOOR FOR MOVEMENT BETWEEN A FIRST POSITION IN WHICH SAID DOOR COMPLETES THE HERMETIC CLOSURE OF SAID CHAMBER AND A SECOND POSITION IN WHICH SAID DOOR IS SPACED FROM SAID CHAMBER TO PERMIT LOADING OF SAID CHAMBER WITH PRODUCE THROUGH SAID OPENING IN THE SAID SIDE WALL, SAID MEANS COMPRISING UPSTANDING FRAMES MOUNTED TO SAID CHAMBER AT EITHER END OF SAID DOOR AND ABOVE SAID DOOR, SAID FRAMES HAVING LINES SECURED THERETO EXTENDING FROM THE TOP OF SAID FRAMES TO THE SAID DOOR FOR LIFTING SAID DOOR UPWARDLY, SAID MEANS INCLUDING AT LEAST A SINGLE PAIR OF VERTICALLY EXTENDING GUIDES SECURED TO EACH END OF SAID CHAMBER, ONE GUIDE OF EACH PAIR OF SAID GUIDES BEING MOUNTED ABOVE THE OTHER OF SAID GUIDES OF SAID PAIR, AND MEANS SLIDABLY CONNECTING SAID DOOR AND THE SAID GUIDES WHEREBY SAID DOOR MAY BE LIFTED UPWARDLY BY MEANS OF THE SAID LINES AND GUIDED BY MEANS OF THE SAID GUIDES; AND (F) MEANS FOR EVACUATING GAS FROM THE INTERIOR OF THE SAID CHAMBER WHEN THE SAID DOOR IS IN SAID FIRST POSITON.