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:
Jul. 14, 2020
Filed:
Mar. 08, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Yoshiro Kamo, Ashigarakami-gun, JP;
Akio Kidooka, Ashigarakami-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A gear drive mechanism is provided with a gear drive pin provided at the second gear, a first movable member and second movable member configured to be able to move to the gear drive pin side, a first guide groove formed at the first movable member and engaged with the gear drive pin when making the eccentric member rotate toward a low compression ratio position, and a second guide groove formed at the second movable member and engaging with the gear drive pin when making the eccentric member rotate toward the high compression ratio position and wherein the mechanism makes the gear drive pin moving relative to a counterweight move along the first guide groove and the second guide groove so as to make the second gear rotate.