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. 19, 2010
Filed:
May. 12, 2004
Yukinori Gondou, Fukuoka, JP;
Tomokazu Hasegawa, Fukuoka, JP;
Masakazu Hidaka, Fukuoka, JP;
Norio Shinohara, Fukuoka, JP;
Kenichi Koga, Fukuoka, JP;
Kazumi Tanaka, Fukuoka, JP;
Yukinori Gondou, Fukuoka, JP;
Tomokazu Hasegawa, Fukuoka, JP;
Masakazu Hidaka, Fukuoka, JP;
Norio Shinohara, Fukuoka, JP;
Kenichi Koga, Fukuoka, JP;
Kazumi Tanaka, Fukuoka, JP;
Hinode Inc., Fukuoka-shi, JP;
Abstract
An underground structure cover comprises a cover body () and a receiving frame () arranged so that the cover body is fitted in and supported by the receiving frame in the manner that an inclined surface () of the outer circumference of the body meets an inclined surface () of the inner circumference of the frame. The inclined surfaces () each have an upper inclined surface () and a lower inclined surface (), and the lower inclined surfaces () are steeper than the upper inclined surfaces (). The body () is fitted in and supported by the part () at the upper inclined surfaces () and the lower inclined surfaces (). By this, the body is prevented from being wedged into the frame too deeply and also from becoming inclined with respect to the frame or riding up.