Back to results
US 4,856,118 AGranted
Headphone cushioning
AssigneeBose Corporation
InventorRoman Sapiejewski
Life of this patent
Estimating the term…
Abstract
A headphone cushion comprises two concentric rings of nonliquid gelatin-like silicone on a layer of soft, slow recovery foam enclosed in a thin stretchable layer of polyurethane skin.
Claims11
A headphone cushion comprising,
- at least one ring of compressible nonliquid silicone gel material that behaves like an elastic solid capable without perminent loss of size, or shape and that does not flow on a layer of foam material,
- and a thin stretchable skin enclosing said ring and layer of foam material
- said ring and foam layer coacting to provide a comfortable fit for the wearer of said cushion while providing a good acoustic seal.
A headphone cushion in accordance with clam 1 wherein said thin stretchable skin is formed with at least one vent opening for allowing pressure equalization and coacting with said foam material for providing a slow recovery effect when headphones are removed and said cushion expands.
Dependencies are inferred from the claim text.