Bale length control device

Claim 1

AN IMPROVEMENT IN A HAY BALER HAVING A MOVABLE TRIP ARM, A ROTARY ELEMENT ENGAGING SAID TRIP ARM AND OPERABLE UPON ROTATION TO MOVE SAID TRIP ARM IN ONE DIRECTION FROM AN INITIAL POSITION TO A TRIPPING POSITION, AND ADJUSTABLE STOP MEANS ON SAID TRIP ARM ENGAGEABLE WITH SAID ROTARY ELEMENT UPON MOVEMENT OF SAID TRIP ARM IN THE DIRECTION OPPOSITE SAID ONE DIRECTION TO STOP SAID TRIP ARM IN SAID INITIAL POSITION, THE IMPROVEMENT RESIDING IN SAID ADJUSTABLE STOP MEANS AND COMPRISING A MEMBER HAVING A PORTION ELONGATED IN THE DIRECTION OF MOVEMENT OF SAID TRIP ARM AND DISPOSED ALONG ONE SIDE OF THE TRIP ARM, SAID PORTION HAVING A ROW OF SPACED APART HOLES THERETHROUGH, SAID ROW OF HOLES EXTENDING IN THE DIRECTION OF ELONGATION OF SAID PORTION, STOP MEANS ON SAID MEMBER ENGAGEABLE WITH SAID ROTARY ELEMENT TO STOP AND TRIP ARM IN SAID INITIAL POSITION, SAID TRIP ARM HAVING A HOLE THERETHROUGH, SAID MEMBER BEING MOVABLE ALONG SAID TRIP ARM TO SELECTIVELY ALIGN ANY HOLE OF SAID ROW OF HOLES WITH SAID HOLE IN SAID TRIP ARM AND THEREBY CHANGE THE LOCATION OF SAID INITIAL POSITION DEFINING STOP MEANS RELATIVE TO SAID TRIP ARM, AND PIN MEANS INSERTABLE THROUGH SAID HOLE IN SAID TRIP ARM AND ANY SELECTIVELY ALIGNED HOLE OF SAID ROW OF HOLES TO POSITIVELY LOCK SAID MEMBER IN A SELECTED POSITION ON SAID TRIP ARM.