Implement mounting apparatus

Claim 1

IN AN APPARATUS ADAPTED TO MOUNT AN IMPLEMENT ON A DRAFT VEHICLE FOR EARTH TRAVERSING MOVEMENT ALONG A PREDETERMINED FORWARD PATH OF TRAVEL; A FORWARD COUPLING BAR ADAPTED TO BE HORIZONTALLY SUPPORTED ON SUCH A VEHICLE IN TRANSVERSE RELATION TO SAID PATH OF TRAVEL; A SIDE MEMBER RIGIDLY REARWARDLY EXTENDED FROM THE BAR; A MOUNTING ROD SUPPORTED ON THE SIDE MEMBER FOR HORIZONTAL SWINGING MOVEMENT ABOUT AN UPRIGHT AXIS SUBSTANTIALLY NORMAL TO THE BAR, SAID ROD BEING SWINGABLE BETWEEN A WORK POSITION IN REARWARDLY SPACED, SUBSTANTIALLY PARALLEL RELATION TO THE BAR AND A POSITION ANGULARLY DISPLACED FROM THE WORK POSITION AND IN OBLIQUE ANGULAR, RELATION TO THE BAR; MEANS RELEASABLY ALTERNATELY INTERCONNECTING THE ROD AND THE SIDE MEMBER ON OPPOSITE SIDES OF SAID PIVOT AXIS IN SAID WORK AND DISPLACED POSITIONS FOR SELECTIVELY HOLDING THE ROD IN SAID DISPLACED POSITION; AN ELEVATIONALLY SKEWABLE, PARALLELOGRAM FRAME BORNE BY THE ROD AND ADAPTED TO SUPPORT AN IMPLEMENT THEREON; AND POWERED MEANS INTERCONNECTING THE SKEWABLE FRAME AND THE ROD FOR ELEVATIONALLY SKEWING THE FRAME.