Implement hitch

Claim 1

AN IMPLEMENT HITCH FOR RELEASABLY CONNECTING AN IMPLEMENT TO A TRACTOR HITCH OF THE THREE-POINT SUSPENSION TYPE, SAID IMPLEMENT HITCH COMPRISING A FIRST HITCH MEMBER ADAPTED TO BE SECURED TO A THREE-POINT SUSPENSION TRACTOR HITCH FOR RAISING AND LOWERING THEREBY, AND A SECOND HITCH MEMBER ADAPTED TO BE RIGIDLY SECURED TO AN IMPLEMENT, SAID FIRST AND SECOND HITCH MEMBERS HAVING INTERFITTING PARTS ADAPTED TO FORM A RIGID INTERFITTING RELATION THEREBETWEEN, AND LATCH MEANS RELEASABLY RETAINING SAID PARTS IN INTERFITTING RELATION INDEPENDENT OF THE APPLIED FORCE TENDING TO SEPARATE SAID FIRST AND SECOND MEMBERS, SAID LATCH MEANS INCLUDING AN UPRIGHT SUPPORT MEMBER, A PIN TELESCOPED IN THE LOWER PORTION OF SAID SUPPORT MEMBER FOR PARTIAL PROJECTION THEREFROM, A SPRING IN THE UPPER PORTION OF SAID SUPPORT MEMBER REACTING ON SAID PIN AND URGING SAID PIN TO A PROJEDTED POSITION, AN OFFSET ARM RIGIDLY SECURED TO SAID SUPPORT MEMBER, A LINK PIVOTALLY CONNECTED TO SAID OFFSET ARM, LINKAGE PIVOTALLY CONNECTED TO SAID LINK AND SAID PIN FOR EFFECTING THE RETRACTION OF SAID PIN UPON MOVEMENT OF THE PORTION OF SAID LINK CONNECTED TO SAID LINKAGE IN AN UPWARD DIRECTION, SAID LINK PROVIDED WITH A STOP MEMBER, SAID LATCH MEANS INCLUDING A RELEASE ARM PIVOTABLY ASSOCIATED WITH SAID SUPPROT MEMBER, MEANS FOR URGING SAID RELEASE ARM TO A NORMAL FIRST POSITION, SAID RELEASE ARM PROVIDED WITH A STOP ENGAGING MEANS FOR CONTACTING SAID STOP WHILE SAID RELEASE ARM IS IN SAID FIRST POSITION, AND SAID RELEASE ARM MOVABLE TO A SECOND POSITION BY SAID SECOND HITCH MEMBER WHEREBY SAID STOP IS RELEASED BY SAID STOP ENGAGING MEANS, SAID PIN IS URGED TO ITS PROJECTED POSITION AND SAID LINK IS MOVED FROM AN INITIAL POSITION TO A SECOND POSITION WHEREBY UPON MANUAL ACTUATION THEREOF TO ITS SAID FIRST POSITION BY AN OPERATOR OF AN ASSOCIATED TRACTOR CAUSES THE RETRACTION OF SAID PIN.