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:
Sep. 20, 2011
Filed:
Mar. 30, 2007
Fuxiang HU, Tokyo-To, JP;
Tadashi Tokai, Yokohama, JP;
Yoshioki Ozeki, Yokohama, JP;
Hiroshi Kubota, Yokohama, JP;
Chiaki Tomatsu, Yokohama, JP;
Tetsuro Ino, Koganei, JP;
Fuxiang Hu, Tokyo-To, JP;
Tadashi Tokai, Yokohama, JP;
Yoshioki Ozeki, Yokohama, JP;
Hiroshi Kubota, Yokohama, JP;
Chiaki Tomatsu, Yokohama, JP;
Tetsuro Ino, Koganei, JP;
Abstract
A trawl net layer-by-layer collecting device includes a rectangular cylindrical frame configured to draw a plurality of trawl nets that are arranged in an up and down direction. The frame includes an upper edge to which a net mouth edge of an upper net of the uppermost trawl net is anchored, and a lower edge to which a net mouth of a lower net of the lowermost trawl net is anchored. A pair of vertical bars are disposed on opposed sides of the frame. A slider having opposed ends slidably engaged with the vertical bars, the slider anchoring thereto the net mouth edge of the lower net of the upper trawl net and the net mouth edge of the upper net of the lower trawl net. A net-mouth opening and closing unit is configured to lock the sliders on upper ends of the vertical bars, and unlock the locked sliders one by one; and a controller.