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:
Jul. 17, 1984
Filed:
Sep. 29, 1982
Kazuo Tsunemura, Chicago, IL (US);
Kiyoshi Iha, Elk Grove Village, IL (US);
Anthony T Janiszewski, Elmwood Park, IL (US);
Chamberlain Manufacturing Corporation, Elmhurst, IL (US);
Abstract
An improved sectional overhead garage door with an integral automatic opener and closer which comprises a plurality of horizontal sections which are hinged together on opposite sides in alternate fashion and wherein the panels are made strong and light by providing parallel sheets of plastic aluminum or steel which are held along the edges with aluminum extrusions and where the hollow insides of the panels are filled with foam to provide rigidity and strength. The door as it is opened folds up like an accordian with adjacent sections folding back upon themselves so that a very compact unit is provided.