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:
Aug. 06, 1996
Filed:
Sep. 15, 1994
Applicant:
Inventors:
Yoshinori Sone, Yokohama, JP;
Takayoshi Fujiwara, Tokyo, JP;
Takashi Honjo, Kawasaki, JP;
Takuya Hirayama, Fujisawa, JP;
Hiroyasu Yoshizawa, Oomiya, JP;
Assignee:
Kabushiki Kaisha Toshiba, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ; F16D / ;
U.S. Cl.
CPC ...
418152 ; 418220 ; 464104 ;
Abstract
A fluid compressor having a rotational force transmitting mechanism. The mechanism comprises an Oldam portion, an Oldam ring and a second cylinder gearing. The Oldam portion is integral with a piston. The Oldam ring has a first pair of key grooves and a second pair of key grooves. The key grooves of the first pair extend at right angles to those of the second pair. The second cylinder bearing is fitted in the cylinder and has two projections fitted in the key grooves of the second pair. The Oldam ring is made of silicon nitride ceramic.