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. 12, 1992
Filed:
Oct. 11, 1990
James G Spahn, Indianapolis, IN (US);
Steven P Langley, Martinsville, IN (US);
Michael L Jacobs, Martinsville, IN (US);
EHOB Inc., Indianapolis, IN (US);
Abstract
A back belt comprising a continuous, non-baffled, pressurizable air chamber having a top edge, a bottom edge, and a pair of opposing ends defining the periphery thereof; cushioning rims along the top and bottom edges of the air chamber; symmetrical contouring notches along the top and bottom edges of the air chamber and along the cushioning rims; belt means connected to the ends of the air chamber; valve means on the air chamber operable to allow presurization of the air chamber to a desired internal air pressure; and supportive wall means overlaying the air chamber to provide stability and durability to the air chamber, and connected to the belt means and to the air chamber at the ends of the air chamber; and a novel connector permanently couples the materials from which the air chamber and belt straps for the air chamber of the preferred embodiment of the invention are constructed, providing a stability to the joinder of these materials not obtainable by known sewing means, thereby enhancing the durability of the joinder.