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. 13, 2014
Filed:
May. 10, 2010
Hiromichi Kimura, Okazaki, JP;
Michitaka Tsuchida, Miyoshi, JP;
Takeshi Kitahata, Toyota, JP;
Tatsuo Obata, Toyota, JP;
Yosuke Suzuki, Susono, JP;
Takeshi Kuwahara, Nisshin, JP;
Hiromichi Kimura, Okazaki, JP;
Michitaka Tsuchida, Miyoshi, JP;
Takeshi Kitahata, Toyota, JP;
Tatsuo Obata, Toyota, JP;
Yosuke Suzuki, Susono, JP;
Takeshi Kuwahara, Nisshin, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
Disclosed is a parking lock mechanism of a power transmission apparatus which can stably supply lubrication oil to the sliding surface of a parking cam to decrease the sliding resistance of the parking cam. The parking lock mechanismincludes a support portionfor positioning a sleevewith respect to an extension housing, and a first guide ribprovided on the support portionfor catching oil circulating in a transaxle caseto supply the oil to the support portion. The sleevehas an upper portion formed with a notchfor allowing a parking pawlto be held in abutment with a parking cam. The oil caught by the first guide ribis supplied through the support portionand the notchof the sleeveto the sliding surface of the parking cam, viz., the sliding surface between the parking pawland the parking camand the sliding surface between the parking camand the sleeve