Intermediate idler between driving and driven gears:
(under subclass 47) Subject matter wherein said rotary motion transmitting parts include a first element rotatable by said input body, a second element rotatably connected to said output body, and a third element rotatable about its own axis; said third element having surface portions sequentially contacting said first and second elements to transmit rotary motion from said first element to said second element via said third element by surface friction of rolling contact between said third element and said first and second elements. [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
21, for similar structure in forward and reverse gearing.
