Patent for a new and improved motor. This design consists, "with a stool having its seat-block perforated centrally, a loose seat, and a depending pusher-bar attached by one end to the loose seat, of a rock-shaft journaled in parallel stretcher-bars, which are secured to legs of the stool, a crank-arm, a bell-crank, an adjustable weight, a ratchet-bar, and a ratchet-wheel revolubly supported" (lines 58-65).