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:
Nov. 18, 2008
Filed:
Dec. 16, 2004
Applicant:
Tsutomu Tanaka, Tochigi, JP;
Inventor:
Tsutomu Tanaka, Tochigi, JP;
Assignee:
Nifco Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 43/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lid opening and closing apparatus includes a base having an open portion; a lid having a rotational shaft and supported on the base to be rotatable around the rotating shaft for opening and closing the open portion; and a connecting device with one spring disposed between the base and the lid. The one spring is stretched for urging the lid in an opening direction when the lid is pushed to a pushed-in position beyond a closed position. The one spring is stretched for urging the lid in a closing direction when the lid is closed by a predetermined angle.