Sphere launching apparatus

Claim 1

IN COMBINATION WITH A PIVOTAL CLOSURE MEMBER, A LAUNCHING MECHANISM FOR INJECTING SPHERIODS INTO A PIPE LINE AND COMPRISING A SHAFT, A RELEASING ARM JOURNALLED ON THE SHAFT AND ENGAGEABLE WITH THE CLOSURE MEMBER FOR INJECTING THE FIRST SPHEROID INTO THE PIPE LINE UPON MOVEMENT OF THE CLOSURE MEMBER IN ONE DIRECTION, A CATCHER ARM JOURNALLED ON THE SHAFT, MEANS CONSTANTLY URGING THE RELEASING ARM AND CATCHER ARM IN A DIRECTION TOWARD THE CLOSURE MEMBER, STOP MEANS PROVIDED ON THE CATCHER ARM FOR LIMITING THE ROTATION THEREOF IN ONE DIRECTION FOR PERMITTING LIMITED THE ROTATION THEREOF IN ONE DIRECRELEASING ARM SIMULTANEOUSLY WITH THE CLOSURE MEMBER WHEREBY THE FIRST SPHEROID IS RELEASED AND THE CATCHER ARM INTERCEPTS THE NEXT SUCCEEDING PHERIOD FOR PRECLUDING INJECTION OF MORE THAN ONE SPHEROID DURING A SINGLE OPERATION, AND MEANS COOPERATING BETWEEN THE RELEASING ARM AND THE CATCHER ARM FOR DISENGAGING THE CATCHER ARM FROM THE NEXT SUCCEDING SPHEROID UPON ROTTION OF THE CLOSURE MEMBER AND RELEASING ARM IN A SECOND DIRECTION WHEREBY THE LAUNCHING MECHANISM IS RESET FOR A SUBSEQUENT INJECTION OF THE NEXT SUCCEEDING SPHEROID INTO THE PIPE LINE.