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:
Feb. 02, 2010
Filed:
Oct. 31, 2007
Naoki Kubota, Kawagoe, JP;
Naoki Kubota, Kawagoe, JP;
Kabushiki Kaisha Strawberry Corporation, Kawagoe-shi, JP;
Abstract
The present invention provides as an object a novel hinge device which is extremely valuable as a commercial product and an electronic instrument using the hinge device. A hinge device for pivoting a first member () and a second member () to be rotatably opened and closed is characterized in that when the second member () kept under a coupled and closed condition is opened to the first member (), in a rotational range Afrom the coupled and closed position Pto a predetermined open angle position Protated in an open direction, a closing rotational biasing effect is generated for automatically closing the second member () to the coupled and closed position Prelative to the first member (), and when the second member () is manually rotated in the open direction exceeding the predetermined open angle position Pto the first member (), an open rotational biasing effect is generated for automatically opening the second member () to a predetermined open angle position Prelative to the first member ().