Hammer for hammermill

Claim 1

A HAMMER FOR USE IN A HAMMER MILL COMPRISING A HAMMER ARM MOUNTABLE ADJACENT ONE END FOR SWINGING MOVEMENT IN A FIRST PLANE AND A REPLACEABLE HAMMER TIP REMOVABLY SECURED RADIALLY OUTWARDS FROM THE OTHER END OF SAID ARM BY MEANS PREVENTING DETACHMENT OF SAID TIP FORM SAID ARM IN A DIRECTION RADIALLY OF THE LATTER, SAID MEANS INCLUDING A SLIDEABLY INTERLOCKING JOINT BETWEEN THE RESPECTIVE ADJACENT RADIALLY DISPOSED ENDS OF SAID ARM AND TIP, SAID JOINT BEING FORMED BY A CONTOURED ARM PORTION AND A COMPLEMENTARILY CONTOURED TIP PORTION, EACH OF SAID PORTIONS BEING FORMED INTEGRALLY WITH RESPECTIVELY SAID ARM AND TIP SO THAT SAID JOINT EXTENDS SUBSTANTIALLY ACROSS SAID ARM AND TIP IN A DIRECTION TRANSVERSELY OF SAID FIRST PLANE AND BEING SLIDEABLE WITH RESPECT TO EACH OTHER IN SAID LAST NAMED DIRECTION IN ORDER TO DETACH SAID TIP FROM SAID ARM, ONE PAIR OF THE RESPECTIVE OPPOSITE TRANSVERSE ENDS OF SAID PORTIONS BEING OPEN TO PERMIT SLIDEABLE DISENGAGEMENT OF SAID PORTIONS AND EACH OF THE OTHER PAIR OF THE RESPECTIVE OPPOSITE TRANSVERSE ENDS OF SAID PORTIONS BEING CLOSED BY AN END WALL FORMED INTEGRALLY THEREWITH, SAID END WALLS FORMING THE MAXIMUM TRANSVERSE DIMENSIONS OF SAID HAMMER RELATIVE TO SAID FIRST PLANE.