Gas stove

Claim 1

A GAS STOVE COMPRISING: A BASE, A PAIR OF GAS FEED PIPES FIXED RELATIVE TO THE BASE, SWIVEL BLOCKS ON THE DISCHARGE ENDS OF THE GAS FEED PIPES ARRANGED FOR GAS FLOW THERETHROUGH FROM SAID GAS FEED PIPES, A SURFACE COOKING UNIT, MEANS SUPPORTING SAID SURFACE COOKING UNIT FOR OUTWARD MOVEMENT RELATIVE TO SAID BASE, FRONT GAS BURNERS ON THE SURFACE COOKING UNIT, REAR GAS BURNERS ON THE SURFACE COOKING UNIT ADAPTED TO MOVE FROM A RETRACTED TO AN OUTWARDLY EXTENDED POSITION UPON OUTWARD MOVEMENT OF THE SURFACE COOKING UNIT RELATIVE TO THE BASE, A FERONT GAS BURNER SUPPLY PIP AND A REAR GAS BURNER SUPPLY PIPE ON THE SURFACE COOKING UNIT FEEDING SAID FRONT AND REAR BURNERS RESPECTIVELY, SWIVEL BLOCKS ON THE INLET ENDS OFTHE GAS BURNER SUPPLY PIPES ALSO ARRANGED FOR GAS FLOW THERETHROUGH TO RESPECTIVE GAS BURNER SUPPLY PIPES, TWO PAIRS OF ELBOW BURNER SUPPY PIPES, OF A FIRST PAIR PIVOTALLY ENGAGING A SAID SWIVEL BLOCK ON A GAS FEED PIPE FOR GAS FLOW THEREBETWEEN, THE OTHER END OF THE OTHER ELBOW PIPE OF SAID FIRST PAIR ENGAGING A SAID SWIVEL BLOCK ON A REAR BURNER SUPPLY PIPE FOR GAS FLOW THEREBETWEEN, A FURTHER SWIVEL BLOCK CONSTITUTING GAS VALVE MEANS AND JOINING THE OTHER ENDS OF BOTH ELBOW PIPES TOGETHER, WITH THE ANGLE BETWEEN THE ELBOW PIPES INCREASING UPON OUTWARD MOVEMENT OF SAID SURFACE COOKING UNIT, SAID FURTHER SWIVEL BLOCK JOINING SAID ELBOW PIPES FOR GAS FLOW COMMUNICATION BETWEEN SAID ELBOW PIPES WHEN SAID SURFACE COOKING UNIT IS IN ITS OUTWARDLY EXTENDED POSITION BUT CLOSING SAID GAS FLOW COMMUNICATION WHEN IN ITS RETRACTED POSITION, AND A FURTHER SWIVEL BLOCK JOINING THE ADJACENT ENDS OF THE OTHER PAIR OF ELBOW PIPES FOR GAS FLOW COMMUNICATION THEREBETWEEN WHEN SAID SURFACE COOKING UNIT IS IN ITS OUTWARDLY EXTENDED POSITION AND ALSO WHEN SAID SURFACE COOKING UNIT IS IN ITS RETRACTED POSITION.