Combined chassis dynamometer and brake tester and method of testing brakes

Claim 1

THE METHOD OF TESTING THE BRAKES OF A VEHICLE ON A COMBINED CHASSIS DYNAMOMETER AND BRAKE TESTER HAVING PAIRS OF LONGITUDINALLY ALIGNED PARALLEL ROLLS, EACH PAIR BEING ENGAGEABLE BY ONE OF A PAIR OF VEHICLE WHEELS, POWER ABSORPTION MEANS CONNECTED TO BE DRIVEN BY THE PAIR OF ROLLS CLOSEST TO THE FRONT END OF A VEHICLE UNDER TEST FOR THE PURPOSE OF ABSORBING POWER FROM THE VEHICLE WHEELS, COMPRISING: POSITIONING A VEHICLE ON THE ROLLS SO THAT THE IDLE ROLLS ARE DISPOSED FARTHEST FROM THE FRONT END OF THE VEHICLE; OPERATING THE VEHICLE ENGINE TO DRIVE THE WHEELS ENGAGED WITH THE FOLLS AND ABSORBING SAID POWER BY THE POWER ABSORPTION MEANS; MEASURING THE POWER BEING DELIVERED BY THE VEHICLE WHEELS TO SAID ROLLS TO DETERMINE THE CAPACITY OF THE WHEEL BRAKES; UNLOADING THE POWER ABSORPTION MEANS; APPLYING THE VEHICLE BRAKES TO ABSORB THE POWER BEING DELIVERED BY SAID WHEELS TO SAID ROLLS; AND MEASURING THE DIFFERENCE IF ANY, IN THE FORCE APPLIED TO THE PAIR OF ROLLS FARTHEST FROM THE FRONT END OF SAID VEHICLE BY THE RESPECTIVE VEHICLE WHEELS AT HE SAME WHEEL SPACED TO DETERMINE WHETHER THE BRAKES ON SAID PAIR OF WHEELS ARE EQUALLY ADJUSTED.