The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 1984
Filed:
Mar. 31, 1981
Akihiko Muraoka, Yokohama, JP;
Kunihiko Suzuki, Fujisawa, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
A four-wheel-drive system for a vehicle, comprising a power unit having an output shaft in a lateral direction of the vehicle, a power transmission gear unit having input and output shafts parallel with the output shaft of the power unit, a speed reduction gear to be driven by the transmission output shaft, two final reduction gear units one of which is arranged for driving the front road wheels and the other of which is arranged to drive the rear road wheels of the vehicle, and a planetary gear assembly including a sun gear connected to one of the final reduction gear units, a ring gear connected to the other of the final reduction gear, and a pinion carrier connected to the speed reduction gear, the planetary gear assembly being capable of providing a differential action between the sun and ring gears thereof.