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:
Apr. 17, 1990
Filed:
Aug. 17, 1988
Masaki Inui, Toyota, JP;
Masakazu Ishikawa, Toyota, JP;
Abstract
A variable speed manual transmission includes an input shaft having a first drive gear for low speed drive and a second drive gear for high speed drive fixed thereon, an output shaft located under the input shaft and in parallel therewith and having at least a pair of axially spaced changed-speed driven gears fixed thereon, a first coutershaft arranged in parallel with the input and output shafts and having a first driven gear fixed thereon and continuously engaged with the first drive gear, a pair of axially spaced low speed drive gears rotatably mounted thereon and continuously engaged with the change-speed driven gears on the output shaft, and a first synchronizer coupling provided thereon to selectively connect the low speed drive gears to the first countershaft, and a second countershaft arranged in parrallel with the input and output shafts and having a second drive gear fixed thereon and continuously engaged with the second drive gear on the input shaft, a pair of axially spaced high speed drive gears rotatably mounted thereon and continuously engaged with the change-speed driven gears on the output shaft, and a second synchronizer coupling provided thereon to selectively connect the high speed drive gears to the second countershaft.