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:
Oct. 16, 1984
Filed:
Aug. 18, 1982
Minoru Ikeda, Tokyo, JP;
France Bed Co., Ltd., Tokyo, JP;
Abstract
A mattress for use on a bed and settee comprises a spring unit, at least one cushion, a protection layer arranged between the spring unit and the cushion, and an outer covering for covering these component members. The protection layer includes a frame located at the circumference and outside of the spring unit, and a net tensioned inside the frame, the protection layer being made of synthetic resin and having the frame and net formed integral thereto. The frame has a flange with which end turns of coil springs arranged in the spring unit and adjacent to the frame can be contacted. The frame of each protection layer provided with the flange has sufficient rigidity and serves as a reinforcing member.