Stacker apparatus

Claim 1

STACKING MECHANISM FOR LUMBER COMPRISING, A FRAME, MEANS ON THE FRAME DEFINING A PATH FOR BOARDS WITH SUCH BOARDS TRAVELLING SIDEWISE OVER AND WITH ENDS ON OPPOSITE SIDES OF SAID PATH, OPPOSED ELONGATED HOLDERS MOUNTED ABOVE AND SUBSTANTIALLY PARALLELING SAID PATH, ONE ON ONE SIDE AND ONE ON THE OTHER SIDE OF SAID PATH, PIVOT MEANS PIVOTALLY MOUNTING THE HOLDERS FOR MOVEMENT BETWEEN LOWERED AND RAISED POSITIONS ABOUT AXES SUBSTANTIALLY PARALLELING SAID PATH, SAID HOLDERS HAVING LUMBER-SUPPORTING PORTIONS THAT PROJECT TOWARDS EACH OTHER IN A LOWERED POSITION FOR THE HOLDERS AND THAT SUPPORT THE ENDS OF BOARDS IN THIS POSITION, SAID LUMBER-SUPPORTING PORTIONS SWINGING UPWARDLY AND AWAY FROM EACH OTHER IN DIVERGING ACRS ON PIVOTAL MOVEMENT OF THE HOLDERS FROM A LOWERED TO A RAISED POSITION, HOIST MEANS FOR LIFTING BOARDS FROM SAID PATH AND MOVING THEM BETWEEN AND THEN BEYOND SAID HOLDERS, SAID HOLDERS SWINGING FROM THEIR LOWERED TO THEIR RAISED POSITION TO ACCOMMODATE MOVEMENT OF BOARDS THEREBETWEEN AND BEING CONSTRUCTED TO RETURN TO THEIR LOWERED POSITION AFTER BOARDS MOVE THEREBEYOND, AND END-ALINGING STRUCTURE EXTENDING VERTICALLY UPWARDLY FROM ADJACENT ONE OF SAID HOLDERS CONSTRUCTED TO ALIGN THE ENDS OF BOARDS SUPPORTED ON SAID HOLDERS WHEN SUCH ENDS ENGAGE THE STRUCTURE, THE LUMBER-SUPPORTING PORTIONS OF SAID HOLDERS HAVING A CONSTRUCTION CAUSING BOARDS RESTING ON THE HOLDERS TO TILT TOWARD SAID END-ALIGNING STRUCTURE DURING MOVEMENT OF THE HOLDERS FROM THEIR LOWERED TO THEIR RAISED POSITION.