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. 06, 1998
Filed:
Oct. 10, 1996
Applicant:
Inventor:
Ralf Drews, Lubeck, DE;
Assignee:
Dragerwerk Aktiengesellschaft, Lubeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
12820524 ; 12820128 ; 12820311 ; 12820615 ; 12820712 ;
Abstract
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk. A first spring end is provided in contact with a support surface and a second spring end is provided. The valve disk is accommodated in a guide displaceable along an axial valve axis, and the valve spring is fastened such that the line of action of the spring is directed at an angle in relation to the valve axis. The valve is extensively prevented from vibrating.