Webb Ziesenheim Logsdon Orkin & Hanson, P.C.
Intermittent transmission mechanism
 An intermittent transmission mechanism that includes a driving rotating body adapted to rotate around an input shaft and a driven rotating body adapted to rotate around an output shaft is disclosed. The driven rotating body has arcuate recesses and a gear. The driving rotating body has a partial gear adapted to mesh with the gear of the driven rotating body to drivingly rotate the driven rotating body at predetermined angles in an intermittent manner, and a cam portion provided with a rotation restricting surface which moves relatively along arcuate surfaces of the arcuate recesses. Provided around the cam portion of the driving rotating body are guide grooves for guiding rolling elements in contact with the arcuate recesses of the driven rotating body. The partial gear and the cam portion on the driving rotating body are displaced along the axis of rotation, and the gear and the recesses on the driven rotating body are displaced along the axis of rotation. 
Y F Y
Y10T F16H Y10T
additional inventional additional
Hiromitsu
Yamada