Floor polisher with double-toothed belt drive

Claim 1

A FLOOR POLISHER COMPRISING: A MOTOR HAVING A VERTICALLY-ARRANGED, ROTATABLE, ARMATURE SHAFT; A TOOTHED DRIVING PULLEY MOUNTED AT AN END SECTION OF SAID ARMATURE SHAFT FOR ROTATION THEREWITH; THREE TOOTHED DRIVEN PULLEYS MOUNTED ON FIRST, SECOND AND THIRD VERTICALLY-ARRANGED SHAFTS, RESPECTIVELY, FOR ROTATING SAID FIRST, SECOND AND THIRD SHAFTS; A PLATE MEMBER HAVING THEREIN A FIRST APERTURED JOURNAL, A SECOND APERTURED JOURNAL AND AN APERTURED ARMATURE SHAFT JOURNAL FOR JOURNALLING SAID FIRST SHAFT, SECOND SHAFT AND ARMATURE SHAFT, RESPECTIVELY, WHICH PASS THROUGH SAID APERTURE JOURNALS OF SAID PLATE MEMBER, SAID PLATE MEMBER INCLUDING SLIDE RAILS FORMED THEREIN; A SLIDABLY ADJUSTABLE ELEMENT MOUNTED ON SAID SLIDE RAILS AND ADAPTED TO BE SELECTED TO SAID PLATE MEMBER, SAID ADJUSTABLE ELEMENT HAVING AN END SECTION INCLUDING AN APERTURE JOURNAL THEREIN, SAID END SECTION AND ITS APERTURED JOURNAL EXTENDING OUTWARDLY BEYOND SAID PLATE MEMBER, SAID END SECTION''S APERTURED JOURNAL JOURNALLING SAID THIRD SHAFT WHICH PASSES THROUGH SAID APERTURE JOURNAL OF SAID END SECTION; SAID FIRST, SECOND AND END SECTION APERTURED JOURNALS AND THEIR RESPECTIVE FIRST, SECOND AND THIRD VERTICALLY-ARRANGED SHAFTS BEING SITUATED AT THE RESPECTIVE APEXES OF AN ISOSCELES TRIANGLE, SAID THIRD SHAFT BEING AT THE APEX WHICH TERMINATES THE TWO EQUAL LEGS OF THE ISOSCELES TRIANGLE, SAID ARMATURE SHAFT JOURNAL AND ITS ARMATURE SHAFT BEING SITUATED WITHIN THE TRIANGLE AT A LOCATION WHICH IS EQUIDISTANT FROM SAID FIRST AND SECOND SHAFTS AND THEIR RESPECTIVE JOURNALS; A FLEXIBLE ENDLESS BELT HAVING TEETH ON BOTH FACES THEREOF, ONE TOOTHED FACE OF SAID BELT ENGAGING SAID TOOTHED DRIVING PULLEY AND THE TOOTHED DRIVEN PULLEY SUPPORTED ON SAID THIRD VERTICAL SHAFT, THE OTHER TOOTHED FACE OF SAID BELT ENGAGING THE TWO DRIVEN PULLEYS WHICH ARE SUPPORTED ON SAID FIRST AND SECOND SHAFTS, SAID ONE TOOTHED FACE HAVING RELATIVELY SMALL ARCUATE LENGTHS ENGAGING LESS THAN ONE HALF OF THE CIRCUMFERENCES OF SAID DRIVING AND DRIVEN PULLEYS, SAID OTHER TOOTHEED FACE HAVING RELATIVELY LARGE ARCUATE LENGTHS ENGAGING MORE THAN ONE HALF OF THE CIRCUMFERENCES OF SAID TWO DRIVEN PULLEYS, SAID ENDLESS BELT HAVING A RELATIVELY SMALL AMOUNT OF TENSION THEREIN WHEN SAID DRIVING AND DRIVEN PULLEY ARE NOT ROTATING, SAID ADJUSTABLE ELEMENT BEING SLIDABLE TO ENABLE THE ARRANGING OF SAID BELT ON SAID PULLEYS AND TO ADJUST THE TENSION IN SAID BELT; THREE FLOOR POLISHING ELEMENTS, EACH POLISHING ELEMENT BEING CONNECTED TO A RESPECTIVE ONE OF THE VERTICAL SHAFTS OF SAID DRIVEN PULLEYS FOR ROTATION WITH SAID SHAFTS; MEANS DEFINING A PROTECTIVE WALL BETWEEN SAID FLOOR POLISHING ELEMENTS AND SAID BELT AND PULLEYS, SAID BELT AND PULLEYS BEING SITUATED BETWEEN SAID PLATE MEMBER AND SAID WALL DEFINING MEANS.