Device for the stopping and accurate positioning of a moving body

Claim 1

APPARATUS FOR STOPPING A MOVING BODY AND THEN MOVING THE BODY TO A PRECISE LOCATION, SAID APPARATUS COMPRISING MEANS FOR DRIVING THE MOVING BODY IN A FIRST DIRECTION OF MOVEMENT UNDER THE ACTION OF A DETERMINABLE FORCE PAST THE PRECISE LOCATION TO WHICH IT IS DESIRED THAT THE BODY ULTIMATELY COME TO REST, MEANS FOR CONTACTING THE MOVING BODY AND EXERTING A FORCE THEREON OPPOSING MOVEMENT OF THE BODY TO CAUSE THE LATTER TO COME TO A POSITION OF REST, THE LATTER MEANS BEING EFFECTIVE TO CONTINUE EXERTING A FORCE ON SAID BODY TO DRIVE THE BODY IN A REVERSE DIRECTION AGAINST THE ACTION OF THE FIRST SAID MEANS AND THE FORCE DEVELOPED THEREBY UNTIL SAID BODY IS ALIGNED IN SAID PRECISE LOCATION, WHEREAT SAID BODY IS HELD IN POSITION BY SAID LATTER MEANS WHILE THE FIRST SAID MEANS CONTINUES TO APPLY FORCE TO THE BODY.