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:
Oct. 16, 1990
Filed:
Dec. 21, 1988
Applicant:
Inventor:
Noboru Matsushima, Fukushima, JP;
Assignee:
Nok Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ;
U.S. Cl.
CPC ...
277 37 ; 277 39 ; 277 68 ; 277 95 ; 277133 ; 277134 ; 277152 ;
Abstract
A unitized seal (A) for sealing between a stationary shaft (16) and the bore of a rotating housing is comprised of a rotary member (1) having an outer cylindrical portion (1a), a flange portion (4) extending radially inwardly from one end of the cylindrical portion (1a), and a curved or tapered portion (5) at the radially innermost portion of the flange portion (4), a stationary member (10) having at least a main seal lip (14), and at least an auxiliary dust lip (6). The seal lip (14) contacts the inside surface (3) of the flange portion (4) of the rotary member and the dust lip (6) contacts against the curved or tapered portion (5) of the rotary member.