Fingerling saving system

Claim 1

A WATERWAY HAVING A DAM CONSTRUCTED THEREACROSS AND MEANS FOR CONVEYING FINGERLINGS DOWNSTREAM PAST THE DAM COMPRISING A FISH-TRAP MEANS POSITIONED IN THE WATERWAY ADJACENT THE UPSTREAM SIDE OF THE DAM, SAID FISH-TRAP MEANS INCLUDING A FISH-WHEEL ASSEMBLY ROTATING ON A HORIZONTAL AXIS AND HAVING AT LEAST ONE ROTATABLE BUCKET MEMBER, MEANS DRIVING SAID FISH-WHEEL ASSEMBLY THROUGH REPEATED CYCLES OF ROTATION, BY-PASS DUCT MEANS ADJACENT THE WATERWAY LEADING FROM THE UPSTREAM SIDE OF THE DAM TO THE DOWNSTREAM SIDE THEREOF, A FIXED OPENTOPPED RECEPTACLE ON THE FISH-TRAP MEANS, CONDUIT MEANS COMMUNICATIVELY-CONNECTING SAID RECEPTACLE TO SAID DUCT MEANS, SAID BUCKET MEMBER HAVING A DOWNWARDLY-SWINGABLE BOTTOM COVER, MEANS BIASING SAID COVER TOWARD CLOSED POSITION, SAID COVER BEING LOCATED TO PASS UPWARDLY ADJACENT SAID RECEPTACLE AS THE BUCKET MEMBER ROTATES, AND COOPERATING MEANS ON THE RECEPTACLE AND THE COVER CAUSING THE COVER TO SWING OPEN AS THE BUCKET MEMBER MOVES UPWARDLY PAST A TOP EDGE OF THE RECEPTACLE, WHEREBY TO ALLOW FINGERLINGS TO PASS FROM THE BUCKET MEMBER INTO THE RECEPTACLE, AND WHEREIN THE FISH-TRAP MEANS COMPRISES A BUOYANT SHELL WITH THE BUCKET MEMBER ROTATING WITHIN THE SHELL, SAID RECEIVING CONTAINER BEING MOUNTED IN ONE END PORTION OF THE SHELL.