Camper jack having cable hoist means

Claim 1

A CAMPER JACK FOR USE IN CONJUNCTION WITH A TRAILER ADAPTED TO BE SUPPORTED ON THE OPEN TOPPED BODY OF A PICKUP TRUCK, THE TRAILER BEING GENERALLY RECTANGULAR IN PLAN AND EXTENDING BEYOND THE SIDES OF THE TRUCK, A PAIR OF HOLLOW TUBULAR MEMBERS SUPPORTED IN VERTICAL RELATION EXTENDING DOWNWARDLY FROM SAID TRAILER NEAR OPPOSITE ENDS THEREOF AND SPACED APART A DISTANCE GREATER THAN THE WIDTH OF THE TRUCK BODY, A LEG SLIDABLY SUPPORTED IN EACH OF SAID HOLLOW TUBULAR MEMBERS AND ENGAGEABLE WITH THE GROUND, AN ELONGATED VERTICAL SLOT ON EACH OF SAID TUBULAR MEMBERS, OPERATING MEANS ON THE UPPER END OF EACH LEG EXTENDING THROUGH A CORRESPONDING ONE OF SAID SLOTS, RESILIENT MEANS NORMALLY URGING EACH SAID LEG UPWARDLY IN SAID TUBULAR MEMBER, A PULLEY AT THE LOWER END OF EACH SAID TUBULAR MEMBER BENEATH SAID OPERATING MEANS, A WINCH SUPPORTED ON SAID TRAILER BETWEEN THE HOLLOW TUBULAR MEMBERS ON EACH SIDE THEREOF, A FLEXIBLE MEMBER EX-