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:
Dec. 16, 2008
Filed:
Dec. 01, 2005
Tsuyoshi Shiba, Kanagawa, JP;
Tsuyoshi Shiba, Kanagawa, JP;
Katoh Electric Machinery Co., Ltd., Kanagawa, JP;
Abstract
A hinge device of portable equipment and telephones uses fewer parts, facilitating an assembly and reducing the costs while enabling complex operations. The device includes a first portion for rotably connecting a first case body and a second case body constituting a portable telephone, with each other around a first hinge pin, and a second portion for rotably connecting the hinge pin perpendicular to the first hinge pin. The second portion includes the second hinge pin and a second cam mechanism with biasing assembly that controls rotation of the hinge body. The first portion includes a hinge case body the first hinge pin, and a first cam mechanism with biasing assembly that controls rotation of the hinge body. At least one of the first and second cam mechanisms includes a double-sided cam having a double-sided cam portion.