Driving apparatus having a shaft support structure

Details Driving apparatus having a shaft support structure Driving apparatus having a shaft support structure

2005-05-24

2005-05-24

Ellis, Christopher P. (Department: 3618)

Motor vehicles

Power

Electric

C180S065600, C475S005000

Reexamination Certificate

active

06896080

ABSTRACT:
A driving apparatus having a shaft structure that reduces a load on shaft supports and enhances durability of the motor. The driving apparatus includes an electric motor, an electric motor shaft, first and second shaft supports, a counter drive gear on the electric motor shaft, and a counter driven gear to be meshed with the counter drive gear. Output of the electric motor is transmitted to wheels through both of the gears. The counter drive gear is disposed at a position closer to one of the shaft supports, a helix angle is set in a direction in which a thrust force S acts toward the second shaft support, which is farther from the gear. With this arrangement, a load caused by a radial force applied to the first shaft support, which is closer to the counter drive gear, is reduced.

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