Tier

Claim 1

IN A HAY BALER, AN ELONGATED BALE CASE, A TIMER SHAFT ROTATABLY SUPPORTED ON SAID BALE CASE AND EXTENDING TRANSVERSE THERETO, A SOURCE OF ROTATABLE POWER, A CLUTCH FOR CONNECTING SAID POWER SOURCE TO SAID TIMER SHAFT, NEEDLE MEANS FOR PROJECTING A TYING MEDIUM ACROSS SAID BALE CASE, A CRANK ARM CONNECTED TO SAID TIMER SHAFT AND ROTATABLE THEREWITH, A CONNECTING ROD LINKING SAID CRANK ARM TO SAID NEEDLE MEANS, SAID CRANK ARM AND CONNECTING ROD BEING PIVOTALLY CONNECTED AND FORMING AN ANGLE WHEN THE TIMER SHAFT IS AT-REST, AND MEANS FOR CONTROLLING THE ENGAGEMENT OF SAID CLUTCH COMPRISING A PIVOTED PAWL EXTENDING RADIALLY OUTWARDLY OF SAID CLUTCH, SPRING MEANS BIASING SAID PAWL TO PIVOT IN ONE DIRECTION, A STOP MEMBER NORMALLY ENGAGING SAID PAWL AND PREVENTING PIVOTAL MOVEMENT OF THE PAWL BY SAID SPRING MEANS, A CONTROL MEMBER PIVOTALLY SUPPORTED ON SAID BALE CASE AND BEING FREED TO MOVE RELATIVE THERETO RESPONSIVE TO THE FORMATION OF BALES IN SAID BALE CASE, SAID STOP MEMBER BEING CARRIED ON SAID CONTROL MEMBER FOR MOVEMENT THEREWITH TO A LOCATION OUT OF ENGAGEMENT WITH SAID PAWL, ONE OF SAID MEMBERS HAVING A FIRST SLOT EXTENDING GENERALLY IN THE SAME DIRECTION AS SAID PAWL WHEN THE PAWL IS ENGAGING THE STOP MEMBER, THE OTHER OF SAID MEMBERS HAVING A SECOND SLOT CROSSING SAID FIRST SLOT, FASTENING MEANS EXTENDING THROUGH SAID SLOTS TO RELEASABLY CONNECT THE STOP MEMBER TO THE CONTROL MEMBER, THE POSITION OF SAID STOP MEMBER ON SAID CONTROL MEMBER BEING VARIABLE IN PLURAL DIRECTIONS AND PROVIDING PRECISE CONTROL OF THE DISENGAGEMENT OF SAID PAWL AND THE POSITION OF THE PAWL WHEN IN ENGAGEMENT WITH THE STOP MEMBER WHEREBY A PROPER ANGULAR RELATIONSHIP OF SAID CRANK ARM AND CONNECTING ROD MAY BE MAINTAINED.