Tooth for digging equipment used in compacted soil

Claim 1

IN A REPLACEABLE EARTH DIGGING TOOTH FOR PENETRTATION AND EXPLOSIVE-LIKE EXCAVATION OF BRITTLE, COMPACTED SOILS HAVING A DISTAL PORTION AND A PROXIMAL PORTION, SAID PROXIMAL PORTION HAVING SUBSTANTIALLY PARALLEL SIDE EDGES, SAID DISTAL PORTION HAVING A BLADE RECTANGULAR IN CROSSSECTION AND SUBSTANTIALLY MORE NARROW IN PLAN THAN SAID PROXIMAL PORTION, THE TOP SURFACE OF SAID BLADE FORMED WITH A SUBSTANTIALLY STRAIGHT, LONGITUDINALLY EXTENDING SPINE SLOPING DOWNWARDLY-FORWARDLY, THE FLANKS OF SAID TOP SURFACE OF SAID BLADE ON EITHER SIDE OF SAID SPINE BEING CONCAVE, THE FRONT END OF SAID TOOTH BEING TRUNCATED AND SQUARE, THE SIDE EDGES OF THE DISTAL PORTION OF SAID BLADE BEING SUBSTANTIALLY VERTICAL AND IN PLAN BEING SHAPED, WITH FORWARD EDGES PARALLEL TO EACH OTHER AND TO SAID PARALLEL SIDE EDGES OF SAID PROXIMAL PORTION AND SMOOTHLY INWARDLY CURVED EDGES INTERCONNECTING SAID SIDE EDGES OF SAID PROXIMAL PORTION AND SAID SIDE EDGES OF SAID DISTAL PORTION, THE BOTTOM SURFACE OF SAID DISTAL PORTION OF SAID BLADE BEING GENERALLY FLAT FOR COOPERATION WITH FRONT END FOR SLICING INTO THE SOIL, SAID FLANKS BEING SHAPED TO BREAK AWAY SOIL SLICED BY SAID END AND BOTTOM SURFACE, SAID PROXIMAL PORTION HAVING A TOP BODY COMPRISING AN INTEGRAL REARWARD EXTENSION OF SAID DISTAL PORTION OF SAID BLADE, AND A SOCKET-FORMING HOUSING HAVING TRIANGULAR SIDES PERPENDICULAR TO AND ON THE UNDERSIDE OF SAID BLADE AND A SLOPING BOTTOM INTERCONNECTING THE LOWER EDGES OF SAID SIDES AND TAPERING DISTALLY TOWARD SAID BLADE, SAID SIDES BEING DEFORMABLE, SAID SIDES OF SAID SOCKET FORMING PORTION BEING SLIGHTLY NARROWER THAN SAID SIDE EDGES OF SAID PROXIMAL PORTION.