Testing apparatus for fuel injection pumps

Claim 1

A TESTING APPARATUS FOR MULTIPLE-UNIT FUEL INJECTION PUMP SYSTEMS OF THE TYPE HAVING A COMMON HOUSING FOR A SERIES OF INDIVIDUAL PUMPS WHICH ARE DRIVEN BY A COMMON PUMP SHAFT AND EACH OF WHICH HAS AN OUTLET THROUGH WHICH MEASURED AMOUNTS OF FUEL MAY BE DISCHARGED TO THE COMBUSTION CHAMBERS OF AN INTERNAL COMBUSTION ENGINE, AND A COVER WHICH IS REMOVABLE FROM ONE SIDE OF THE PUMP HOUSING TO PROVIDE ACCESS TO THE CONTROL MECHANISMS FOR THE INDIVIDUAL PUMPS SERVING TO REGULATE THE AMOUNT OF FUEL DISCHARGED BY THE RESPECTIVE PUMP, SAID TESTING APPARATUS COMPRISING A SUPPORT PROVIDED WITH A SURFACE ON WHICH THE PUMP HOUSING IS SUPPORTED; A DRIVEN SHAFT ADAPTED TO BE COUPLED TO THE PUMP SHAFT SO AS TO OPERATE THE INDIVIDUAL PUMPS WHEREBY THE PUMPS DELIVER FUEL THROUGH THE RESPECTIVE OUTLETS; AN ARM HAVING A PORTION TURNABLY MOUNTED BENEATH SAID SURFACE, SAID ARM BEING SWINGABLE ABOUT A SUBSTANTIALLY VERTICAL PIVOT AXIS INTERSECTING AN EXTENSION OF THE AXIS OF SAID DRIVEN SHAFT; A CARRIAGE SUPPORTED BY AND SWINGABLE WITH SAID ARM ABOUT ONE END OF THE PUMP HOUSING IN A SUBSTANTIALLY HORIZONTAL ARCUATE PATH, SAID ARCUATE PATH BEING LOCATED FURTHER FROM SAID PIVOT AXIS THAN THAT END OF THE PUMP HOUSING ABOUT WHICH THE CARRIAGE IS ROCKED; RECEPTACLES SUPPORTED BY SAID CARRIAGE AND ADAPTED TO RECEIVE FUEL DISCHARGED FROM THE OUTLETS OF THE INDIVIDUAL PUMPS IN RESPONSE TO ROTATION OF THE PUMP SHAFT.