Lane maintenance machine

Claim 2

IN A BOWLING LANE CONDITIONING MACHINE, A CHASSIS, A COMBINATION FLUID APPLICATION AND LANE BUFFING ROLLER JOURNALLED ON SAID CHASSIS, A CONDITIONER FLUID SUPPLY ASSEMBLYINCLUDING A TROUGH MOUNTED ON SAID CHASSIS, A PICK-UP ROLLER ROTATABLY MOUNTED WITHIN SAID TROUGH, A TRANSFER ROLLER IN FLUID TRANSFER ASSOCIATION WITH SAID BUFFING ROLLER, A METERING ROLLER IN FLUID TRANSFER ENGAGEMENT WITH SAID PICKUP ROLLER AND SAID TRANSFER ROLLER, MEANS INCLUDING A POWER SOURCE FOR ROTATING SAID BUFFING ROLLER AND METERING ROLLER TO TRANSFER FLUID FROM SAID TROUGH TO THE LANE SURFACE, AND MOUNTING MEANS SUPPORTING THE TRANSFER ROLLER FOR MOVEMENT BETWEEN A FIRST POSITION IN FLUID TRANSFER ENGAGEMENT WITH THE METERING ROLLER AND BUFFING ROLLER AND A SECOND POSITION OUT FOR ENGAGEMENT WITH THE METERING ROLLER AND IN ENGAGEMENT WITH THE BUFFING ROLLER.

Claim 3

IN A MACHINE FOR TREATING THE SURFACE OF A BOWLING LANE HAVING GUTTER MEANS AT OPPOSITE SIDES THEREOF, A CHASSIS, FIRST WHEAEL MEANS ON THE CHASSIS ENGAGEABLE WITH THE LANE SURFACE FOR SUPPORTING THE CHASSIS FOR MOVEMENT FORWARDLY AND REARWARDLY ALONG THE LANE, MEANS ON THE CHASSIS FOR TREATING THE SURFACE OF THE LANE AS THE CHASSIS MOVES THEREALONG, SECOND WHEEL MEANS LATERALLY OUTWARDLY DISPOSED ON THE CHASSIS RELATIVE TO THE FIRST WHEEL MEANS FOR SUPPORTING THE CHASSIS FOR MOVEMENT LATERALLY WHEN THE MACHINE IS OFF THE LANE AND DISPOSED OVER THE GUTTER MEANS WHEN THE MACHINE IS ON THE LANE COMPRISING A PAIR OF WHEELS AT ONE SIDE OF THE CHASSIS BELOW THE LEVEL OF THE FIRST WHEEL MEANS GENERALLY ALIGNED IN A FRONT-TO-REAR DIRECTION, AND MEANS MOUNTING THE REARMOST WHEEL OF SAID PAIR FOR UPWARD MOVEMENT UPON ENGAGEMENT WITH THE END OF THE GUTTER, SAID MOUNTING MEANS INCLUDING A PIVOTALLY MOUNTED LEVER SUPPORTING THE REARMOST WHEEL AND RESILIENT MEANS BISING SAID REARMOST WHEEL TO ITS LOWERMOST POSITION.

Claim 4

IN A MACHINE FOR TREATING THE SURFACE OF A BOWLING LANE HAVING GUTTER MEANS AT OPPOSITE SIDES THEREOF, A CHASSIS, FIRST WHEAEL MEANS ON THE CHASSIS ENGAGEABLE WITH THE LANE SURFACE FOR SUPPORTING THE CHASSIS FOR MOVEMENT FORWARDLY AND REARWARDLY ALONG THE LANE, MEANS ON THE CHASSIS FOR TREATING THE SURFACE OF THE LANE AS THE CHASSIS MOVES THEREALONG, SECOND WHEEL MEANS LATERALLY OUTWARDLY DISPOSED ON THE CHASSIS RELATIVE TO THE FIRST WHEEL MEANS FOR SUPPORTING THE CHASSIS FOR MOVEMENT LATERALLY WHEN THE MACHINE IS OFF THE LANE AND DISPOSED OVER THE GUTTER MEANS WHEN THE MACHINE IS ON THE LANE COMPRISING A PAIR OF WHEELS AT ONE SIDE OF THE CHASSIS BELOW THE LEVEL OF THE FIRST WHEEL MEANS GENERALLY ALIGNED IN A FRONT-TO-REAR DIRECTION, AND MEANS MOUNTING THE REARMOST WHEEL OF SAID PAIR FOR UPWARD MOVEMENT UPON ENGAGEMENT WITH THE END OF THE GUTTER, SAID MOUNTING MEANS INCLUDING A PIVOTALLY MOUNTED LEVER SUPPORTING THE REARMOST WHEEL AND RESILIENT MEANS BISING SAID REARMOST WHEEL TO ITS LOWERMOST POSITION.