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:
Jan. 27, 2026
Filed:
Oct. 21, 2022
Hi-lex Corporation, Hyogo, JP;
Masachika Sugimura, Hyogo, JP;
HI-LEX CORPORATION, Hyogo, JP;
Abstract
A boot of extends along an axis X direction and has a cylindrical shape that is extendable and contractable in the axis X direction. The boot includes a bellows portion alternately having a bellows portion-side peak portion and a bellows portion-side valley portion along the axis X direction, and an extending portion connected adjacent to the bellows portion in the axis X direction and provided adjacent to one end and/or an other end of the boot in the axis X direction. The extending portion is formed so that an outer diameter of an end of the extending portion on a side opposite to a side connected to the bellows portion in the axis X direction is smaller than an inner diameter of the bellows portion-side valley portion of the bellows portion.