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:
Apr. 03, 2018
Filed:
Jan. 29, 2015
Nitto Kohki Co., Ltd., Tokyo, JP;
Hiroki Kawashima, Tokyo, JP;
Haruki Nakao, Tokyo, JP;
NITTO KOHKI CO., LTD., Tokyo, JP;
Abstract
An electromagnetic valve system for carrying out a compressed air supply to and evacuation from a plurality of air chambers of massage instruments of a pneumatic massage device includes a plurality of first electromagnetic valves each to be connected to a corresponding one of the air chambers; a second electromagnetic valve including a first aperture which communicates with external air; and a plurality of first check valves each within a header in an intermediate location between the second electromagnetic valve and a corresponding one of the air chambers with a connection tube therebetween, the first check valves allowing air to pass from the air chambers toward the second electromagnetic valve only when air pressure on a second electromagnetic valve side is lower than air pressure on an air chamber side.