Batting practice device with foot responsive clutch drive

Claim 1

A BASEBALL BATTING PRACTICE DEVICE COMPRISING: AN UPRIGHT BASE STRUCTURE; A FREELY ROTATABLE VERTICAL SHAFT EXTENDING UPWARDLY FROM SAID BASE STRUCTURE; A HORIZONTALLY EXTENDING BOOM MEMBER AFFIXED AT ONE END THEREOF TO THE UPPER END OF SAID VERTICAL SHAFT WHEREBY SAID BOOM MEMBER IS ROTATED IN SUBSTANTIALLY A HORIZONTAL PLANE BY SAID SHAFT; A CORD AFFIXED AT ONE END TO THE OTHER END OF SAID BOOM MEMBER; A BALL ATTACHED TO THE OTHER END OF SAID CORD; A ROTARY POWER MEANS SUPPORTED BY SAID BASE STRUCTURE; A REMOTELY ACTUATABLE CLUTCH MEANS SELECTABLY COUPLING SAID VERTICAL SHAFT TO SAID ROTARY POWER MEANS WHEREBY AS SAID CLUTCH MEANS IS ACTUATED, SAID POWER MEANS ROTATES SAID VERTICAL SHAFT AND THEREBY SAID BOOM MEMBER; AND A FOOT OPERATED REMOTELY POSITIONABLE CLUTCH ACTUATING MEANS WHEREBY, WHEN FOOT PRESSURE IS APPLIED TO SAID CLUTCH ACTUATING MEANS, THE CLUTCH ACTUATES TO COUPLE SAID SHAFT TO SAID POWER MEANS TO ROTATE SAID BOOM MEMBER AND WHEN FOOT PRESSURE IS RELEASED SAID CLUTCH IS DE-ENERGIZED WHEREBY SAID SHAFT AND BOOM MEMBER ARE FREELY ROTATABLE.