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:
May. 17, 2016
Filed:
Jul. 30, 2012
Yasushi Yamamoto, Chigasaki, JP;
Nobuyuki Iwao, Yokohamashi, JP;
Yasushi Yamamoto, Chigasaki, JP;
Nobuyuki Iwao, Yokohamashi, JP;
ISUZU MOTORS LIMITED, Tokyo, JP;
Abstract
A gear shifting method and device of a multistage transmission in which gear shift of a main transmission and an auxiliary transmission is mechanically operated by operation of one shift lever The device is provided with: a cam mechanism that has a select operation output member and a shift operation output member, which separate, into shift operation and select operation for each direction, operation by operation of one shift lever that moves along at least one H-shaped shift pattern, a first cam groove that operates by the select operation, and operates a shift mechanism for the auxiliary transmission that shifts a shift fork for the auxiliary transmission, and a second cam groove that operates a select mechanism that selects a target shift fork from among a plurality of shift forks for the main transmission; and a shift mechanism for the main transmission that operates by the shift operation, and shifts the shift fork for the main transmission selected by the select operation.