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:
May. 01, 1979
Filed:
Oct. 19, 1976
Applicant:
Inventors:
John A Stevens, Nuneaton, GB;
Philip H Pegram, Leamington Spa, GB;
Assignee:
Dunlop Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137798 ; 137230 ; 137464 ;
Abstract
A device is provided which can be screwed onto the adaptor of the valve assembly of a pneumatic tire and a plunger depressed to commence tire deflation. A pressure sensitive member responds to a drop in the pressure of the emerging air to allow the valve to close when a predetermined low pressure remains in the tire.