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:
Jul. 04, 2017
Filed:
Mar. 11, 2011
Applicant:
Tetsuya Yamamoto, Osaka, JP;
Inventor:
Tetsuya Yamamoto, Osaka, JP;
Assignee:
SUGAN CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/50 (2006.01); A61M 5/315 (2006.01); F04B 1/00 (2006.01); A61M 5/145 (2006.01); F04B 13/00 (2006.01); F04B 53/14 (2006.01);
U.S. Cl.
CPC ...
A61M 5/5066 (2013.01); A61M 5/31515 (2013.01); A61M 5/14546 (2013.01); A61M 5/14566 (2013.01); F04B 1/00 (2013.01); F04B 13/00 (2013.01); F04B 53/14 (2013.01);
Abstract
In the joint mechanism, when connecting a plunger to a piston, after engaging members of a plunger-side engaging region in a retracted state pass through a first engaging wall region of a piston-side engaging region, the engaging members of the plunger-side engaging region come into a projected state in a second engaging wall region and the projected state of the engaging members is fastened by a fast block, and thereby, the plunger-side engaging region engages with the piston-side engaging region.