| 摘要 |
A power transmission (10) has a stationary internal gear (16) surrounding an external gear (34) having a diameter smaller than the diameter of the internal gear. The internal gear (16) mounted on an eccentric (52) which is rotatably mounted on a power input shaft (21) is retained in engagement with a segment of the teeth of the internal gear (16) with the eccentric (52), an arm (54), and roller (58) riding on the internal surface (37) of the external gear (34). A driven shaft (26) is operatively connected to the external gear (34) with rollers (46, 47, 48, 49) located in holes (41, 42, 43, 44) in a circular flange (38) of the external gear (34).
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