摘要:
A CHANGE SPEED POWER DRIVE MECHANISM HAVING A HOUSING, AN INPUT MEMBER EXTENDING INTO THE HOUSING, AND AN OUTPUT MEMBER EXTENDING OUT OF THE HOUSING AND INCLUDING A MOVABLE MEANS CARRIED BY SAID HOUSING AND JOURNALING ONE OF SAID MEMBERS SUCH THAT IN A FIRST POSITION SAID OUTPUT MEMBER IS COAXIALLY ALIGNED WITH THE INPUT MEMBER AND IN ANOTHER POSITION SAID OUTPUT MEMBER IS DRIVEN
BY SAID INPUT MEMBER, WITH ADAPTOR MEANS BEING PROVIDED TO TAKE POWER DIRECTLY FROM SAID INPUT MEMBER WHEN SAID OUTPUT MEMBER IS IN COAXIAL ALIGNMENT WITH SAID INPUT MEMBER OR TO TAKE POWER FROM SAID OUTPUT MEMBER WHEN SUCH IS IN SAID SECOND POSITION.