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.

Date of Patent:
Jul. 03, 1990

Filed:

Jun. 16, 1988
Applicant:
Inventors:

Takanori Suzuki, Saitama, JP;

Kenji Nakamura, Saitama, JP;

Satoshi Matsuzawa, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74 152 ; 74 154 ; 74 158 ;
Abstract

A power transmission system in a tractor having a travelling drive sub-system for driving wheels and a PTO drive sub-system for driving working machines. A transmission case is provided with a single input shaft connected to an engine, and the travelling drive sub-system and the PTO drive sub-system are respectively led out from the input shaft separately. The travelling drive sub-system is connected to the input shaft via a main clutch, and is composed of a multi-stage speed-changer having a plurality of speed-changer clutches. The PTO drive sub-system is connected to the input shaft via a PTO clutch that is different from the main clutch, and at the rear portion of the PTO drive sub-system is provided a power transmission switching apparatus which can selectively transmit power to a plurality of PTO shafts.


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Suzuki, Takanori. (1990). Power transmission system in a tractor (U.S. Patent No. 4938085). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4938085

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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