Trailer or vehicle jack

Claim 1

A TRAILER JACK FOR EMERGENCY ROAD USAGE COMPRISING AN ELONGATED METAL GROUND SUPPORTED BASE INCLUDING UPSTANDING SUPPORT FLANGES ALONG ITS OPPOSITE SIDES HAVING LATERALLY SPACED AND ALIGNED FIRST PIVOT MEANS, A MAIN SUPPORT POST HAVING A SECOND PIVOT MEANS AT ONE END ADAPTED TO COOPERATE WITH SAID FIRST PIVOT MEANS TO FORM A PIVOT CONNECTION BETWEEN SAID BASE AND SAID SUPPORT POST AND A GENERALLY ARCUATE UPWARDLY FACING AXLE SEAT AT ITS OTHER END DISPOSED WITH ITS AXLE SEAT IN PARALLEL RELATION TO THE PIVOT AXIS OF SAID SECOND PIVOT MEANS, AND STOP MEANS CARRIED BY SAID ONE END OF SAID POST AND DISPOSED TO ABUTTINGLY COOPERATE WITH A PORTION OF SAID BASE UPON PREDETERMINED PIVOTAL MOVEMENT OF SAID POST RELATIVE TO SAID BASE IN EITHER DIRECTION AROUND THE AXIS OF SAID PIVOT MEANS TO ESTABLISH A NORMAL INCLINED REST POSITION OF SAID SUPPORT POST, SAID SUPPORT POST BEING OF A LENGTH GREATER THAN THE DISTANCE BETWEEN THE TRAILER AXLE AND THE RADIAL DIMENSTION OF THE TRAILER WHEEL AND TIRE TO PROVIDE WHEEL REMOVAL CLEARANCE WHEN SAID POST IS IN A VERTICAL POSITION AND SAID FIRST AND SECOND PIVOT MEANS BEING SO RELATED TO SAID UPSTANDING FLANGES AND SAID ONE END OF SAID POST THAT SAID ONE END OF SAID POST WILL SUPPORTINGLY BEAR ON SAID BASE AT LEAST WHEN THE SUPPORT POSTS IS IN ITS VERTICAL UPRIGHT POSITION WITH A TRAILER AXLE IN SAID AXLE SEAT TO THEREBY RELIEVE SAID FIRST AND SECOND PIVOT MEANS OF THE SUPPORTED WEIGHT OF THE TRAILER AND ITS JACKED UP WHEEL.