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:
Oct. 30, 1979
Filed:
Jan. 11, 1978
Donald R St Clair, Peru, IL (US);
Richard C St John, N. Canton, OH (US);
General Time Corporation, Thomaston, CT (US);
Abstract
A sensing apparatus functions when the pressure in a sensing chamber attains a predetermined pressure level in response to a crash environment to actuate a pressure release valve and thereby provide an output resulting in the deployment of an air bag within the confines of a vehicle for restraining forward movement of an occupant. The particular level of pressure developed in the sensing chamber relates to the velocity of flow of a fluid under the control of a sensing means movable in the sensing chamber and whose movement, in turn, is responsive to the relative velocity of a vehicle and an impacted object. The operation of the impact sensing apparatus is the resultant of a true measure of the relative velocity of the vehicle and the impacted object; and upon attainment of a velocity of flow equal to or greater than a threshold velocity the pressure release valve will be actuated.