Fork structures for pivotal attachment to vehicle mounted booms

Claim 1

A DIGGING AND CARRYING FORK STRUCTURE FOR DIGGING IN THE GROUND AND ALSO CARRYING LARGE OBJECTS WHILE PERMITTING SMALLER OBJECTS TO PASS THERETHROUGH, COMPRISING: A PLURALITY OF PARALLEL FRAME MEMBERS, A PLURALITY OF PARALLEL EXTENDING TINES MOUNTED PERPENDICULAR TO SAID FRAME MEMBERS, SAID FRAME MEMBERS AND TINES PRESENTING A GENERALLY DISH-SHAPED FORM IN SIDE VIEW, MEANS FOR RELEASABLY SECURING SAID TINES TO SAID PARALLEL FRAME MEMBERS SO THAT ONE END PART OF EACH TINE IS CONNECTED TO A FIRST OF SAID PARALLEL FRAME MEMBERS, AN INTERMEDIATE PART IS HELD BETWEEN A SECOND OF SAID PARALLEL FRAME MEMBERS AND A RETAINING BAR PARALLEL TO SAID SECOND FRAME MEMBER, AND ANOTHER END PART PROJECTS FROM SAID SECOND FRAME MEMBER ON THE SIDE THEREOF OPPOSITE SAID FIRST FRAME MEMBER, SAID SECURING MEANS COMPRISING PAIRS OF APERTURED LUGS SECURED TO SAID FIRST FRAME MEMBER, THE SAID ONE END PART OF EACH SAID TINE BEING DISPOSED BETWEEN A PAIR OF SAID APERTURED LUGS AND FORMED WITH AN APERTURE IN ALIGNMENT WITH SAID ALIGNED APERTURES OF SAID LUGS, A BOLT WHICH EXTENDS THROUGH SAID ALIGNED APERTURES OF SAID LUGS AND SAID TINE TO SECURE THE SAID ONE END PART OF SAID TINE RELATIVE TO SAID FIRST FRAME MEMBER.