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:
Jun. 14, 1994
Filed:
Mar. 04, 1993
Shinichi Murata, Kyoto, JP;
Hideki Miyamoto, Kyoto, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In a valve-moving apparatus for an internal combustion engine, cam shafts having a low-speed cam and a high-speed cam and rocker shaft parts are provided; arm parts 33 having rocking ends opposing the intake valve or the exhaust valve are integrally mounted on the rocker shaft parts; a low-speed rocker arm and a high-speed rocker arm are rotatably mounted; engaging means for selectively attaching the rocker arms are disposed in the rocker shaft parts; and arm springs for endowing the rocker arms 35 with biasing forces are disposed, wherein the low-speed and high-speed arm springs are set to low-speed spring specifications to achieve interchangeability.