| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an automobile to provide satisfactory reliability on a differential gear mechanism, without being influenced by environment, and provide an always stable brake power. SOLUTION: A double system differential gear device 1 comprises a first gear system consisting of a first ring gear 22A and a first drive gear 23A; and a second gear system consisting of a second ring gear 22B and a second drive gear 23B. Wheels are driven by using the double system differential gear device provided with both the gear systems. Thus high reliability is easily held since back up against abnormality is provided.</p> |
