Grain saving attachment for combine

Claim 1

IN A THRESHING MACHINE, THRESHING MEANS INCLUDING A THRESHING CYLINDER, A STRAW WALKER FOR TRANSPORTING A BEDLIKE LAYER OF STRAW FROM THE CYLINDER TO BE DISCHARGED AT THE REAR OF THE MACHINE, A SIEVE BELOW SAID STRAW WALKER FOR CARRYING TAILINGS; A FAN BELOW FOR DIRECTING AIR UPWARDLY THROUGH THE SAID SIEVE TO REMOVE CHAFF FROM THE SAID TAILINGS, A TRANSVERSE TROUGH ADJACENT THE DISCHARGE END OF SAID SIEVE, SAID TROUGH BEING AT ALL TIMES UNCOVERED FOR THE RECEPTION AND COLLECTION OF TAILINGS UNWORKED BY SAID AIRFLOW AND DISCHARGED REARWARDLY OVER THE END OF SAID SIEVE, MEANS MOUNTING SIAD TROUGH TO ALLOW ROTATION OF THE TROUGH ABOUT ITS LONGITUDINAL AXIS FOR ADJUSTMENT OF THE HEIGHT OF THE TRAILING LIP OF THE TROUGH, AN AUGER IN SAID TROUGH FOR CONVEYANCE OF TAILINGS ALONG THE LENGTH OF SAID TROUGH TO ONE END THEREOF, AND AN ELEVATOR AT ONE END OF SAID TROUGH TO RECEIVE THE TAILING FROM THE AUGER AND DELIVER THEM UPWARDLY FOR DISTRIBUTION DIRECTLY UPON THE LAYER OF STRAW LYING UPON THE STRAW WALKERS AND THEREBY CAUSE THE GRAIN THEREIN TO GRAVITATE THROUGH THE STRAW AND BE COLLECTED.