Patent ID: 8668613

Claim:
A transmission having a gear arrangement for transmitting torque from an input shaft to an output shaft, the gear arrangement comprising: the input shaft rotating about a first rotational axis and having a first gear coupled thereto; a cylindrical shaft rotating about a second rotational axis that is offset from the first rotational axis, the cylindrical shaft having a second gear at one end thereof which engages the first gear and a third gear at an opposite end thereof; a fourth gear mounted to one end of a drive shaft, the fourth gear and the drive shaft rotating about the first rotational axis, the fourth gear being meshed with the third gear and the drive shaft having an end portion at an opposite end thereof; the output shaft rotating about the first rotational axis and having a flange portion attached thereto; a sprag clutch having an input side mounted to the end portion of the drive shaft and an output side mounted to the flange portion of the output shaft; a clutch attached to an end portion of the input shaft and to the output shaft; a device that couples and uncouples the input shaft with the output shaft whereby the transmission operates in first or second modes; and the first gear has external teeth adapted to engage internal teeth of the second gear and the third gear has external teeth adapted to engage internal teeth of fourth gear.