Ground or floor working device

Claim 1

AN ATTACHMENT FOR A VEHICLE INCLUDING MEANS ADAPTED TO BE POSITIONED ABOUT A VERTICAL MEMBER DISPOSED LATERALLY RELATIVE TO THE LINE OF TRAVEL TO THE VEHICLE COMPRISING A FRAME MEMBER ATTACHABLE TO SAID VEHICLE AND EXTENDING LATERALLY RELATIVE TO THE CENTERLINE OF THE VEHICLE, A FIRST ARM MEMBER PIVOTALLY CONNECTED TO SAID FRAME MEMBER FOR PIVOTAL MOVEMENT IN A HORIZONTAL PLANE, A SECOND ARM MEMBER PIVOTALLY CONNECTED TO SAID FRAME MEMBER FOR PIVOTAL MOVEMENT IN A HORIZONTAL PLANE, WORKING MEANS MOUNTED ON THE FREE ENDS OF SAID ARM MEMBERS, A FIRST HOUSING MEANS MOUNTED ON THE WORKING MEANS OF SAID FIRST ARM MEMBER, A SECOND HOUSING MEANS MOUNTING ON THE WORKING MEANS OF SAID SECOND ARM MEMBER, SAID SECOND HOUSING MEANS BEING DISPOSED OUTWARDLY RELATIVE TO SAID FIRST HOUSING MEANS AND ENGAGEABLE THEREWITH, YIELDABLE MEANS MAINTAINING SAID FIRST ARM MEMBER IN A PRESELECTED POSITION, EXTENDING FORWARDLY AND DISPOSED ANGULARLY INWARDLY RELATIVE TO THE CENTERLINE OF SAID VEHICLE, BIASING MEANS OPERATIVELY INTERCONNECTING SAID ARM MEMBERS FOR URGING SAID FIRST AND SECOND HOUSING MEANS INTO ENGAGEMENT AND MEANS FOR TRANSMITTING DRIVE FROM A POWER TAKE-OFF OF SAID VEHICLE TO SAID WORKING MEANS.