Self-cleaning blower vane structure

Claim 1

SELF-CLEANING GUIDE VANE STRUCTURE, AS FOR GUIDE VANES ARRANGED DOWNSTREAM FROM A BLOWER AND SUBJECT TO AN ACCUMULATION THEREON OF HARDENABLE MATERIAL WHICH CAN BE BROKEN UP FOR REMOVAL AS BY FLEXURE DEFORMATION OF THE GUIDE VANES: COMPRISING A GUIDE VANE ASSEMBLY INCLUDING RADIALLY SPACED FIXED STATIONARY VANE SUPPORTING ANCHORAGE MEANS, A PLURALITY OF RADIAL STATIONARY GUIDE VANES FIXEDLY ANCHORED AT THEIR ENDS TO SAID SPACED FIXED STATIONARY ANCHORAGE MEANS, LEAVING THEIR SIDES AND EDGES BETWEEN THE FIXED ENDS FREE FOR FLEXTURE, EACH GUIDE VANE BEING FORMED OF FLEXIBLE, RESILIENT, DISTORTABLE COVERING MATERIAL, AND A RIGID FLEXING MEMBER EMBEDDED IN THE COVERING MATERIAL INTERMEDIATE SAID ANCHORED ENDS, SAID FLEXING MEMBER HAVING AN OPERATING ELEMENT EXTENDING FROM THE COVERING MATERIAL AT ONE END AND THROUGH THE ANCHORAGE MEANS AT THAT END FOR MANIPULATION OF THE RIGID FLEXING MEMBER TO TEMPORARILY FLEX AND DEFORM THE COVERING MATERIAL TO BREAK UP THE HARDENED MATERIAL THEREON FOR REMOVAL.