Driving force transmission device and image recording...

Details Driving force transmission device and image recording... Driving force transmission device and image recording...

2008-10-30

2011-12-27

Young, Edwin A (Department: 3655)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S006000, C475S221000

Reexamination Certificate

active

08083625

ABSTRACT:
A driving force transmission device is provided. The device includes: a first differential unit and a second differential unit. The first differential unit includes: first and second input shafts connected to a first motor and a second motor, respectively, and a first output shaft connected to a first driven member. The second differential unit includes: third and fourth input shafts connected to the first motor and the second motor, respectively, and a second output shaft connected to a second driven member. An angular speed of the first output shaft is a sum of a times a first angular speed of the first motor and b times the second angular speed of a second motor. An angular speed of the second output shaft is a sum of c times the first angular speed and d times the second angular speed. a, b, c and d satisfy a relation of ad−bc≠0.

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