Loading ramp construction

Claim 1

AN ADJUSTABLE LOADING RAMP CONSTRUCTION COMPRISING A RAMP MEMBER HAVING A FORWARD END AND A REARWARD END; MEANS HINGING SAID RAMP MEMBER AT ITS REARWARD END FOR SWINGING MOVEMENT OF SAID RAMP MEMBER FROM A NORMAL, SUBSTANTIALLY HORIZONTAL POSITION TO A RAISED POSITION; A BUMPER FRAME MEMBER; MEANS MOUNTING SAID BUMPER FRAME MEMBER FOR MOVEMENT REARWARDLY OF SAID RAMP MEMBER FROM A NORMAL, PROJECTED POSITION FORWARDLY OF THE FORWARD END OF SAID RAMP MEMBER; MEANS REACTING BETWEEN SAID RAMP MEMBER AND SAID BUMPER FRAME MEMBER AND RESPONSIVE TO REARWARD MOVEMENT OF THE LATTER FOR SWINGING SAID RAMP MEMBER TO A RAISED POSITION; A STOP ELEMENT CARRIED BY SAID BUMPER FRAME MEMBER FOR MOVEMENT THEREWITH; AND A REMOVABLE STOP MEMBER SUPPORTED IN THE PATH OF REARWARD MOVEMENT OF SAID STOP ELEMENT WHEN SAID BUMPER FRAME MEMBER IS IN SAID NORMAL POSITION AND FOR ENGAGEMENT WITH SAID STOP ELEMENT TO PREVENT REARWARD MOVEMENT OF SAID BUMPER FRAME MEMBER FROM ITS SAID NORMAL POSITION AND TO PREVENT RAISING OF SAID RAMP MEMBER.