Pump unit for a central lubricating installation

Claim 1

IN A CENTRALIZED LUBRICATING INSTALLATION FOR DISTRIBUTING LUBRICANT TO SPACED BEARINGS IN AND ABOUT A MECHANISM, A RESERVOIR, A CENTRAL PUMP DETACHABLY MOUNTED ON SAID RESERVOIR COMPRISING A DETACHABLE COVER HAVING MOUNTING MEANS, A DRIVE ARRANGEMENT CARRIED ON THE TOP SIDE OF THE COVER, A PRESSURE AND VOLUME ADJUSTMENT AND AN OUTLET CONNECTION MOUNTED ON THE COVER, A PUMP BODY ON THE OTHER SIDE OF THE COVER, A CENTRAL SHAFT EXTENDING ACROSS THE TOP OF THE COVER AND THROUGH THE BODY AND DRIVEN BY SAID ARRANGEMENT, SAID SHAFT HAVING AN ECCENTRIC RECESSED PORTION FORMING A PUMP CHAMBER, A SPRING PRESSED FOLLOWER VANE RIDING IN SAID RECESS LOCATED TRANSVERSELY TO THE SHAFT, INLET AND OUTLET BORE SYSTEMS IN THE PUMP BODY HAVING OPPOSITE INLET AND OUTLET PORTS AT THE ECCENTRIC PORTION AND TUBING CONNECTIONS TO SAID CHAMBER AND TO SAID RECESS ON THE SIDE OF THE VANE AWAY FROM SAID SHAFT, MEANS TO REGULATE THE PRESSURE AND VOLUME DISCHARGE OF SAID PUMP CONNECTED TO SAID SYSTEMS AND ALSO FROM SAID OUTLET SYSTEM TO THE OUTLET CONNECTION.