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:
Mar. 17, 1992
Filed:
Dec. 20, 1990
Martha E Snyderwine, Holland, PA (US);
Saroja Mahadevan, Abington, PA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A motion dampening device is described that is efficiently and conveniently ackaged with sonobuoy components to reduce the effects of vertical motion caused by surface waves or internal buoyant forces. A plurality of spring steel spokes connected by sections of thin plastic sheet are fitted around a central core around a first-deployed element. As this element is packed, prior to deployment, the spokes and plastic sheet are wrapped around the core. Upon deployment, the stored spring forces push open to their extended positions and spread the plastic sheet, thereby impeding vertical motion of the element and reducing effects of flow noise on a sensor hanging therefrom.