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:
Jan. 07, 1992
Filed:
Sep. 05, 1990
Applicant:
Inventors:
Masuhide Kajii, Osaka, JP;
Yoshihiko Hayashi, Osaka, JP;
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
651822 ; 65273 ; 65349 ; 6537413 ; 406 88 ; 414676 ;
Abstract
An air bed conveying system conveys a workpiece while the workpiece is being floated by air under pressure which is ejected from a plurality of air ejection holes defined in air bed blocks that are supported on respective support blocks. Each of the support blocks is of an integral box-shaped configuration and made of a quartz material having a low thermal expansion coefficient. A plurality of vertical position adjusting mechanisms are disposed underneath each of the support blocks, for adjusting the support block in vertical position.