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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.:

US 9925070 B1

PDFFull Text
Date of Patent:
Mar. 27, 2018

Filed:

Aug. 30, 2012

Hermetically sealed artificial leg

Applicants:

Yoshiaki Nakaya, Kobe, JP;

Taishiro Misao, Kobe, JP;

Hiroaki Hashimoto, Kobe, JP;

Nobuyuki Nakamura, Kobe, JP;

Yoshihiro Tada, Kobe, JP;

Inventors:

Yoshiaki Nakaya, Kobe, JP;

Taishiro Misao, Kobe, JP;

Hiroaki Hashimoto, Kobe, JP;

Nobuyuki Nakamura, Kobe, JP;

Yoshihiro Tada, Kobe, JP;

Assignee:

NABTESCO CORPORATION, Tokyo, JP;

Attorney:

Pillsbury Winthrop Shaw Pittman, LLP

Primary Examiner:

Thomas J Sweet

Assistant Examiner:

Christie Bahena

Int. Cl.
CPC ...
A61F 2/64 (2006.01); A61F 2/50 (2006.01); A61J 9/00 (2006.01); F16J 9/00 (2006.01); A61F 2/66 (2006.01); A61F 2/70 (2006.01); A61F 2/60 (2006.01);
U.S. Cl.
CPC ...
A61F 2/64 (2013.01); A61F 2/66 (2013.01); A61F 2/70 (2013.01); F16J 9/00 (2013.01); A61F 2002/5006 (2013.01); A61F 2002/5039 (2013.01); A61F 2002/607 (2013.01);
Abstract

This invention relates to a technique for hermetically sealing an artificial leg including a cylinder device. A rod member of the cylinder device extends from the inside to the outside of a shell structure of the cylinder device. The rod member is hermetically sealed at the periphery thereof by a bellows packing member. The bellows packing member comprises an inner bead, an outer bead which concentrically surrounds the outside of the inner bead, and a bellows packing body part which connects the inner and outer beads. The bellows packing body part includes corrugations, and each corrugation is less curved than an imaginary circle which is concentric with the inner bead and the outer bead. Both ends of each of the plurality of corrugations extend to the outer bead or are located at positions closer to the outer bead than the inner bead.

Find Patent Forward Citations

Nakaya, Yoshiaki. (2018). Hermetically sealed artificial leg (U.S. Patent No. 9925070). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9925070

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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