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:
Jan. 23, 1990
Filed:
Dec. 15, 1988
Yoshihide Akuzawa, Shizuoka, JP;
Tokyo Electric Co., Ltd., Tokyo, JP;
Abstract
A lid opening and closing device is disclosed which comprises a plate spring having thereon an engagement portion disposed on the side of a lid and an engagement portion to engage with the engagement portion on the plate spring formed on the side of a housing, whereby the lid can be held opened at a certain angle of opening, a lid pivot for bearing a fulcrum pin on the lid side provided on the housing side for vertical movement while being urged downward, whereby reading of an original is ensured even if the thickness of the original is varied, and flat portions formed on the fulcrum pin and a cut corresponding to the flat portions made in the lid pivot, whereby the fulcrum pin can be detached from the lid pivot, thus performing necessary functions with a simple structure occupying a samll space on the whole.