Extended roller guide for elevators

Claim 1

A ROLLER GUIDE ADAPTED FOR MOUNTING ON AN ELEVATOR CAR FOR USE WITH A VERTICALLY POSITIONED GUIDE RAIL HAVING GUIDING SURFACES TO GUIDE THE ELEVATOR CAR IN ITS HOISTWAY, SAID GUIDE COMPRISING; A MOUNTING MEMBER HAVING A BASE AND AN ELONGATED VERTICAL SECTION, SAID BASE BEING ADAPTED FOR RIGID CONNECTION TO A STRUCTURAL MEMBER OF SAID CAR ADJACENT SAID RAIL IN SUCH MANNER AS TO RECEIVE THE GUIDING SURFACES OF SAID RAIL WITHIN ITS CONFINES; A PLURALITY OF GUIDE ROLLERS, ONE EACH FOR NORMAL ENGAGEMENT WITH EACH GUIDE SURFACE OF SAID RAIL, EACH SAID GUIDE ROLLER BEING ROTATABLY AND PIVOTALLY MOUNTED ON SAID ELONGATED MEMBER; A SPRING FOR EACH OF SAID GUIDE ROLLERS, EACH SAID SPRING BEING POSITIONED SO AS TO BRING ITS ASSOCIATED ROLLER IN ROLLING CONTACT WITH A RESPECTIVE GUIDE SURFACE WHEN SAID GUIDE RAIL IS NORMALLY POSITIONED WITHIN THE CONFINES OF SAID BASE INFLEXIBLY MOUNTED STOPS, ONE FOR EACH GUIDE SURFACE, MOUNTED ON SAID BASE AND ADAPTED TO PREVENT CONTACT BETWEEN SAID GUIDE RAIL AND BASE; AND MEANS ASSOCIATED WITH EACH SAID SPRING FOR ADJUSTING THE PRESSURE WITH WHICH SAID GUIDE ROLLER BEARS ON ITS RESPECTIVE GUIDE SURFACE, EACH OF SAID GUIDE ROLLERS BEING SEPARATED FROM SAID MOUNTING BASE AND ITS ASSOCIATED INFLEXIBLY MOUNTED STOP BY A VERTICAL LINEAR DISTANCE IN EXCESS OF TWELVE INCHES.