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.

Date of Patent:
May. 08, 1984

Filed:

Mar. 11, 1983
Applicant:
Inventors:

Masayoshi Katagiri, Toyota, JP;

Toshio Kondo, Okazaki, JP;

Masanori Midooka, Inazawa, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
2772 / ; 277205 ; 74 181 ;
Abstract

A sealing boot of elastomeric material for hermetically closing an annular opening between support and movable members in relatively reciprocable relationship, the sealing boot including a tubular bellows portion which is integrally formed at the opposite ends thereof with a pair of cylindrical sealing portions respectively attached to the support and movable members, and wherein one of the cylindrical sealing portions is formed with a cylindrical sealing surface to be tightly in contact with the outer circumference of either the support or movable member and is further formed at its inner end with an annular flank which is curved radially away from the cylindrical sealing surface.


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