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. 25, 2007
Filed:
Jul. 12, 2005
Masaki Matsuno, Tokyo, JP;
Tetsuya Yokota, Tokyo, JP;
Yoshitomo Sasaki, Tokyo, JP;
Aruze Corp., Tokyo, JP;
Abstract
A roulette device including: a roulette plate having a plurality of marks arranged thereon; a ball which rolls on the roulette plate; a plurality of ball receiving parts which are formed corresponding to the marks in a circumferential direction of the roulette plate to receive the ball; a bank passage which is provided on an outer periphery of the ball receiving parts of the roulette plate and on which the ball rolls along a circumferential orbit; a compressor which compresses air; and a first discharge hole which is provided in each ball receiving part and through which the air compressed by the compressor is discharged to the bank passage.