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:
Mar. 30, 1993
Filed:
Mar. 16, 1992
Applicant:
Inventor:
Koichi Tanaka, Nagoya, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411522 ; 411353 ; 411539 ; 411354 ;
Abstract
An E-shaped retainer ring comprising an inner circumference that engages with a retainer ring accommodating groove formed around the circumference of a shaft; an opening through which a shaft passes when the retainer ring is mounted on and removed from the shaft; and protruding front end portions formed on each side of the opening at the outer circumference of the ring; whereby the E-shaped retainer ring is removed from the shaft by passing a tool against the protruding end portions of the ring, and the distance between the outer sides of the front end portions is set almost equal to the outer diameter of the retainer ring. A tool for fitting and removing the above E-shaped retainer ring is also provided.