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. 29, 1980
Filed:
May. 25, 1978
Applicant:
Inventor:
Kazuo Ueda, Tokyo, JP;
Assignee:
Ueda Works Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; A61B / ;
U.S. Cl.
CPC ...
251285 ; 251321 ; 128685 ;
Abstract
A pressure relief valve for a blood pressure measuring instrument which is provided with a discharge mechanism for selectively discharging a small or large amount of compressed air. The discharge mechanism of simple structure is constituted from a small number of members including a valve member, a spring, an adjustment screw plug and a push button. A cuff pressure is automatically reduced at the predetermined reducing rate by rotating the adjustment screw plug during the measurement of blood pressure. Pushing of the push button also makes it possible to discharge at once the remaining cuff pressure after the measurement of blood pressure.