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. 01, 2016
Filed:
May. 19, 2014
Kenichi Nakatsuka, Aichi, JP;
Kenji Yamada, Aichi, JP;
Makoto Oguri, Aichi, JP;
Koichi Ogawa, Aichi, JP;
Kenichi Nakatsuka, Aichi, JP;
Kenji Yamada, Aichi, JP;
Makoto Oguri, Aichi, JP;
Koichi Ogawa, Aichi, JP;
HAYASHI TELEMPU Co., Ltd., Nagoya-shi, Aichi, JP;
Abstract
A sheet winding apparatus has a sheet, a winding axis to which one end of the sheet is fixed and having a cylindrical shape, a spring that is arranged in the winding axis and gives a biasing force to the winding axis in an opposite direction of drawing-out direction of the sheet, and a soundproof tube that is arranged between an outer periphery of the spring and inside the winding axis. The soundproof tube has first projected portions projecting outward from an outer periphery of the soundproof tube.