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:
Dec. 23, 1997
Filed:
Nov. 14, 1995
Applicant:
Inventors:
Assignee:
Yamaha Corporation, Hamamatsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
2972173 ; 29745246 ; 297249 ; 181 30 ; 181295 ;
Abstract
A chair includes a main body with a seat, openings formed in the greater part of the lower surface of the seat, a sound absorbing structure contained in the seat while facing the openings, and a louver having a series of openings defined with a number of slats that may be turned for opening and closing. The louver is located in front of the series of openings. When the seat is unoccupied, the slats of the louver are turned for opening. When the seat is occupied, the slats are turned for closing. The chair is adequate for concert halls or theaters.