Stacking apparatus for hay bales

Claim 1

A STACKING APPARATUS FORO BALES OF HAY EJECTED FROM A BALING MACHINE, COMPRISING: A MOBILE FRAME ADAPTED TO BE DRAWN BY ATTACHMENT TO A BALING MACHINE; RECEIVING PLATFORM MEANS ON SAID FRAME FOR THE RECEPTION OF BALES; A COLLECTING BIN PIVOTALLY MOUNTED ON SAID FRAME FOR MOTION ABOUT A HORIZONTAL AXIS, SAID BIN BEING MOVABLE FROM AN INCLINED POSITION TO A VERTICAL POSITION; GATE MEANS AT THE LOWER END OF THE BIN PIVOTALLY CARRIED THEREBY FOR MOTION BETWEEN A FIRST POSITION AT WHICH SAID GATE MEANS SUPPORTS BALES IN THE BIN AND A SECOND POSITION AT WHICH SAID GATE MEANS RELEASES THE BALES FOR DOWNWARDLY DIRECTED MOTION; LATCH MEANS ON SAID GATE MEANS AND BIN BIASED TO A NORMALLY ENGAGED POSITION ADAPTED, WHEN ENGAGED, TO MAINTAIN SAID GATE MEANS IN SAID FIRST POSITION RELATIVE TO SAID BIN; AND BIASING MEANS CONNECTED BETWEEN SAID BIN AND SAID GATE MEANS FOR NORMALLY URGING SAID GATE MEANS TO SAID FIRST POSITION.