Protective structure for crop treating apparatus

Claim 1

IN A COMBINE OF THE TYPE HAVING A HOUSING INCLUDING A PLURALITY OF WALL PORTIONS DEFINING A REARWARD PRIMARY MATERIAL DISCHARGE OPENING, A STRAW CHOPPER APPARATUS MOUNTED WITHIN SAID HOUSING ADJACENT SAID PRIMARY MATERIAL DISCHARGE OPENING, MOUNTING MEANS AFFIXED TO SAID HOUSING AND TO ONE OF SAID WALL PORTIONS TO PROVIDE FOR DISPLACEMENT OF ONE OF SAID PORTIONS FROM A FIRST POSITION IN WHICH SAID WALL PORTION COMPRISES A PORTION OF SAID HOUSING TO A SECOND POSITION IN WHICH SAID WALL PORTION EFFECTIVELY DEFINES AT LEAST A PORTION OF A SECONDARY MATERIAL DISCHARGE OPENING, AND LATCH MEANS FOR MAINTAINING SAID ONE WALL PORTION IN SAID FIRST POSITION AS A NORMAL VOLUME OF MATERIAL PASSES THROUGH SAID CHOPPER APPARATUS AND THROUGH SAID PRIMARY DISCHARGE OPENING, SAID LATCH MEANS BEING YIELDABLE UNDER PRESSURE DEVELOPED AS THE CROP MATERIAL ACUUMULATES TO EFFECT THE DISPLACEMENT OF SAID ONE WALL PORTION FROM THE FIRST TO THE SECOND POSITION TO PROVIDE FOR THE DISCHARGE OF THE ACCUMULATED MATERIAL THROUGH SAID SECONDARY DISCHARGE OPENING, THEREBY PREVENTING DAMAGE TO THE HOUSING AND TO THE CHOPPER APPARATUS.