Snow blower chute

Claim 1

CHUTE FOR A SNOW BLOWER HAVING A SNOW RECEIVING CASING WITH A SNOW DISCHARGE OPENING FORMED BY A VERTICAL PIPE SECURED TO SAID CASING, A CONDUIT ROTATABLY MOUNTED ON SAID PIPE, AND IN COMMUNICATION THEREWITH FOR ROTATION ABOUT A VERTICAL AXIS WITH RESPECT TO SAID PIPE, TELESCOPIC CHUTE SECTIONS MOUNTED ON THE OUTER END OF SAID CONDUIT FOR MOVEMENT WITH RESPECT TO THE LATTER IN A VERTICAL PLANE BETWEEN A RETRACTED POSITION AND AN EXTENDED POSITION, MEANS FOR ROTATING SAID CONDUIT AND SAID SECTIONS WITH RESPECT TO SAID PIPE ABOUT SAID VERTICAL AXIS, MEANS FOR DISPLACING SAID SECTIONS BETWEEN SAID RETRACTED AND EXTENDED POSITIONS, SAID LAST NAMED MEANS COMPRISING A YOKE MEMBER FREELY SURROUNDING SAID CONDUIT AND PIVOTALLY CONNECTED TO SAID PIPE FOR PIVOTING MOVEMENT OF SAID YOKE IN A VERTICAL PLANE, POWER MEANS MOUNTED IN A NON-ROTATABLE POSITION WITH RESPECT TO SAID PIPE FOR RAISING AND LOWERING SAID YOKE, A RING FREELY SURROUNDING SAID CONDUIT AND SUPPORTED BY SAID YOKE FOR ROTATION ABOUT A VERTICAL AXIS WITH RESPECT TO SAID YOKE BUT FOR RAISING AND LOWERING MOVEMENT ALONG WITH SAID YOKE, MEANS CONNECTING SAID RING TO SAID CONDUIT FOR PREVENTING RELATIVE ROTATION BETWEEN SAID RING AND SAID CONDUIT BUT FOR ALLOWING VERTICAL MOVEMENT OF SAID RING WITH RESPECT TO SAID CONDUIT, AND MEANS CONNECTING SAID TELESCOPIC SECTIONS TO SAID RING TO MOVE SAID SECTIONS BETWEEN THEIR EXTENDED AND THEIR RETRACTED POSITION BY THE VERTICAL MOVEMENT OF SAID RING WITH RESPECT TO SAID CONDUIT.